Artykuły w czasopismach na temat „Bulletin de l'I.N.G”

The commuting graph of a finite non-abelian group G with center Z(G), denoted by Γc(G), is a simple undirected graph whose vertex set is G∖Z(G), and two distinct vertices x and y are adjacent if and only if xy=yx. Alwardi et al. (Bulletin, 2011, 36, 49-59) defined the common neighborhood matrix CN(G) and the common neighborhood energy Ecn(G) of a simple graph G. A graph G is called CN-hyperenergetic if Ecn(G)>Ecn(Kn), where n=|V(G)| and Kn denotes the complete graph on n vertices. Two graphs G and H with equal number of vertices are called CN-equienergetic if Ecn(G)=Ecn(H). In this paper we compute the common neighborhood energy of Γc(G) for several classes of finite non-abelian groups, including the class of groups such that the central quotient is isomorphic to group of symmetries of a regular polygon, and conclude that these graphs are not CN-hyperenergetic. We shall also obtain some pairs of finite non-abelian groups such that their commuting graphs are CN-equienergetic.

Nitrogen-doped carbons (NCs) as supports for metal catalysts used in heterogeneous reactions are increasingly being investigated. In this work, NCs were prepared from monosodium glutamate (MSG) by direct carbonization, which were used as supporters to prepare Bi/NC catalysts. The Bi/NC catalysts were characterized by X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), transmission electron microscope (TEM), and nitrogen adsorption isotherm. The results indicate that nitrogen was doped in the formation of pyridinic N, pyrrolic N, and graphitic N. The NCs possess high surface area (~652 m2/g) and uniform mesopore size (~2.11 nm). Bismuth nanoparticles (NPs) dispersed uniformly in NC with diameter of 10-20 nm. The catalytic performances were investigated using the reduction of 4-nitrophenol (4-NP) with excess potassium borohydride as a model reaction, the results indicating that the Bi/NC catalysts have higher activity and better reusability than the Bi/AC catalyst. Under the following conditions: 100 mL of 4-NP (2 mM), 0.03 g of 3%Bi/NC, n(KBH4) : n(4-NP) = 40:1, and at room temperature, the rate constant k can reach 0.31 min-1. Copyright © 2018 BCREC Group. All rights reservedReceived: 28th July 2017; Revised: 1st September 2017; Accepted: 7th September 2017; Available online: 22nd January 2018; Published regularly: 2nd April 2018How to Cite: Cai, K.Y., Zhou, Y.M., Wang, P., Li, H., Li, Y., Tao, W. (2018). Preparation of Nitrogen-Doped Carbon Materials from Monosodium Glutamate and Application in Reduction of p-Nitrophenol. Bulletin of Chemical Reaction Engineering & Catalysis, 13 (1): 89-96 (doi:10.9767/bcrec.13.1.1428.89-96)

Two-dimensional (2D) materials have gained great importance since the discovery of graphene. Of these several 2D materials, PbFCl and BaFCl, have not been exploited for electrochemical applications. Herein, we have prepared single and few-layered nanosheets of PbFCl and BaFCl by exfoliation through ultrasonication in different solvents such as water, dimethylformamide and N-methyl-2-pyrrolidone. The Hansen-Solubility-Parameters of the solvents played an important role in exfoliation of bulk phase of PbFCl and BaFCl. These materials were studied for supercapacitor properties by means of cyclic voltammetry (CV) curves, galvanostatic charge–discharge (GCD) curves and electrochemical impedance spectroscopy (EIS). Exfoliated 1–2 layered PbFCl exhibits a high-specific capacitance of 158 F g−1 at a scan rate of 10 mV s−1. References: - Geim, A. K. & Novoselov, K. S. The rise of graphene. Nat. Mater. 6, 183 (2007). Manjunath, K., Servottam, S., Soni, A. & Rao, C. N. R. A study of two-dimensional PbFCl and BaFCl. Bulletin of Materials Science 43, 1–7 (2020).

The reef tracts of Barbados have been investigated by electron spin resonance dating; all parameters necessary for ESR dating (including effective α-efficiency and thermal stability) were determined without cross checking with another independent dating method. In addition, some U-series analyses were carried out in order to test the reliability of ESR. In most cases, the results show a satisfactory agreement between ESR and both these and previously published U-series dates (M. L. Bender, R. G. Fairbanks, F. W. Taylor, R. K. Matthews, J. G. Goddard, and W. S. Broecker (1979). Geological Society of America. Bulletin 90 , 577–594). For the oldest samples, ESR dates tend to exceed He/U dates, suggesting that there might have been He loss from aragonite. Raised reef tracts are assigned to high sea stands from successive interglacial stages 5, 7, 9, 11, 13, and 15. ESR and U-series (230Th/234U) dates for corals and molluses in North Barbados do not support the suggestion of N. P. James ((1971). Unpublished Thesis, McGill University, Montreal) that this region has subsided during part of the past 125,000 yr. Whereas the experimentally determined mean life (τ) of trapped electrons is only 500,000 yr for the ambient temperature in Barbados, there is no evidence from the comparison between ESR and other dates for thermal fading. This emphasizes the difficulty of experimental measurement of τ.

Among Erymidae Van Straelen, 1925 (Van Straelen V. 1925. Contribution à l'étude des crustacés décapodes de la période jurassique. Mémoires de la Classe des Sciences de l'Académie royale de Belgique 7: 1–462), typical Mesozoic crustaceans, the genus Eryma Meyer, 1840 (Meyer H. von. 1840a. Briefliche Mittheilungen. Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefactenkunde 576–587) includes the largest number of species, mainly from Jurassic deposits. However, the lack of clear diagnoses for erymid genera has led to mistakes in generic assignments and to the establishment of redundant genera. The review of the concept of Eryma herein presents an attempt to clarify its diagnosis, mainly supported by the carapace groove pattern and the morphology of chelae of the first pair of pereiopods, and to emphasize its systematic implications. Thus, we maintain the synonymy of Klytia Meyer, 1840, Bolina Münster, 1839 (Münster G. 1839. Decapoda Macrura. Abbildung und Beschreibung der Fossilen Langschwänzigen Krebse in den Kalkschiefern von Bayern. Beiträge zur Petrefaktenkunde 2: 1–88) (sensu Étallon [Étallon A. 1859. Description des crustacés fossiles de la Haute-Saône et du Haut-Jura. Bulletin de la Société géologique de France 16: 169–205]), and Erymastacus Beurlen, 1928 (Beurlen K. 1928. Die Decapoden des Schwäbischen Jura mit Ausnahme der aus den oberjurassischen Plattenkalken stammenden. Palaeontographica 70: 115–278) with Eryma. Moreover, a review of the genera Protoclytiopsis Birshtein, 1958 (Birshtein JA. 1958. Ein Vertreter der ältesten Ordo der Crustacea Decapoda Protoclitiopsis antiqua gen. nov. sp. nov. aus dem Permo West-Sibiriens. Doklady Akademii Nauk, SSSR 122: 477–480), and Galicia Garassino and Krobicki, 2002 (Garassino A, Krobicki M. 2002. Galicia marianae n. gen., n. sp. (Crustacea, Decapoda, Astacidea) from the Oxfordian (Upper Jurassic) of the Southern Polish Uplands. Bulletin of the Mizunami Fossil Museum 29: 51–59), reveals the presence of a junction between the postcervical and branchiocardiac grooves. This feature is diagnostic of Eryma and supports the integration of these genera into the synonymy of Eryma. The addition of Protoclytiopsis to the synonymy of Eryma makes Eryma antiquum (Birshtein, 1958) nov. comb. the oldest representative of the genus and of the family, extending its stratigraphic range to the Late Permian (Changhsingian). Thus, this work also emphasizes that Erymidae crossed the Permian-Triassic boundary.

Проведено исследование фазовых равновесий в тройной системе Sn–As–P в области высокой концентрации летучих компонентов. Методами рентгенофазового и дифференциального термического анализа изучены сплавы политермического разреза SnAs–P. Показано, что растворимость фосфора в моноарсениде олова в направлении этого разреза менее 0.05 мол.д. фосфора. Построена Т-х диаграмма политермического сечения SnAs–Р. Наличие на Т-х диаграмме горизонтали при температуре 827±2 К соответствует реализации в системе Sn–As–P нонвариантного перитектического равновесия L + (d) ↔ b + g , где (d), b и g – трехкомпонентные твердые растворы на основе As1-xPx, SnAs и SnP3 соответственно REFERENCES Zhang W., Mao J., Li S., Chen Z., Guo Z. Phosphorus-Based Alloy Materials for Advanced Potassium-Ion Battery Anode // Am. Chem. Soc., 2017, v. 139(9), pp. 3316–3319. https://doi.org/10.1021/jacs.6b12185 Liu S., Zhang H., Xu L., Ma L., Chen X. Solvothermal preparation of tin phosphide as a long-life anode for advanced lithium and sodium ion batteries // of Power Sources, 2016, v. 304, pp. 346–353. https://doi.org/10.1016/j.jpowsour.2015.11.056 Zhang W., Pang W., Sencadas V., Guo Z. Understanding High-Energy-Density Sn4P3 Anodes for Potassium-Ion Batteries // Joule, 2018, v. 2(8), pp. 1534–1547. https://doi.org/10.1016/j.joule.2018.04022 Lan D., Wang W., Shi L., Huang Y., Hu L., Li Q. Phase pure Sn4P3 nanotops by solution-liquid-solid growth for anode application in sodium ion batteries // Mater. Chem. A, 2017, v. 5, pp. 5791–5796. https://doi.org/10.1039/C6TA10685D Mogensen R., Maibach J., Naylor A. J., Younesi R. Capacity fading mechanism of tin phosphide anodes in sodium-ion batteries // Dalton Trans., 2018, v. 47, pp. 10752–10758. https://doi.org/10.1039/c8dt01068d Kamali A. R., Fray D. J. Tin-based materials as advanced anode materials for lithium ion batteries: a review // Adv. Mater. Sci., 2011, v. 27, pp. 14–24. URL: http://194.226.210.10/e-journals/RAMS/no12711/kamali.pdf Kovnir K. A., Kolen’ko Y. V., Baranov A. I., Neira I. S., Sobolev A. V., Yoshimura M., Presniakov I. A., Shevelkov A. V. Sn4As3 revisited: Solvothermal synthesis and crystal and electronic structure // Journal of Solid State Chemistry, 2009, v. 182(5), pp. 630–639. https://doi.org/10.1016/j.jssc.2008.12.007 Semenova G. V., Kononova E. Yu., Sushkova T. P. Polythermal section Sn4P3 – Sn4As3 // Russian J. of Inorganic Chemistry, 2013, v. 58 (9), pp. 1242–1245. https://doi.org/10.7868/S0044457X13090201 Sushkova T. P, Semenova G. V., Naumov A. V., Proskurina E. Yu. Solid solutions in the system Sn-As-P // Bulletin of VSU. Series: Chemistry. Biology. Pharmacy, 2017, v. 3, pp. 30–36. URL: http://www. vestnik.vsu.ru/pdf/chembio/2017/03/2017-03-05.pdf Semenova G. V., Sushkova T. P, Tarasova L. A., Proskurina E. Yu. Phase equilibria in a Sn-As-P system with a tin concentration less than 50 mol. % // Condensed Matter and Interphases, 2017, v. 19(3), pp. 408–416. https://doi.org/10.17308/kcmf.2017.19/218 Semenova G. V., Sushkova T. P., Zinchenko E. N., Yakunin S. V. Solubility of phosphorus in tin monoarsenide // Condensed Matter and Interphases, 2018, v. 20(4), pp. 644-649. https://doi.org/10.17308/kcmf.2018.20/639 Semenova G. V., Goncharov E. G. Solid Solutions Involving Elements of the Fifth Group. – Мoscow, MFTI Publ., 2000, 160 p. (in Russ.) Okamoto H. Phase diagrams for binary alloys, Second Edition. Materials Park, OH.: ASM International, 2010, 810 р. URL: https://www.asminternational. org/...pdf/c36eeb4e-d6ec-4804-b319-e5b0600ea65d Shirotani , Shiba S., Takemura K., Shimomura О., Yagi Т. Pressure-induced phase transitions of phosphorus-arsenic alloys // Physica B: Condensed Matter, 1993, v. 190, pp. 169–176. https://doi.org/10.1016/0921-4526(93)90462-F Arita M., Kamo K. Measurement of vapor pressure of phosphorus over Sn-P alloys by dew point method // Jpn. Inst. Met., 1985, v. 26(4), pp. 242–250. https://doi.org/10.2320/matertrans1960.26.242 Zavrazhnov A. Yu., Semenova G. V., Proskurina E. Yu., Sushkova T. P. Phase diagram of the Sn–P system // Thermal Analysis and Calorimetry, 2018, v. 134(1), pp. 475–481. https://doi.orgh/10.1007/s10973-018-7123-0 Gokcen N. A. The As-Sn (Arsenic-Tin) system // Bulletin of alloy phase diagrams, 1990, v. 11(3), pp. 271–278. https://doi.org/10.1007/BF03029298

A microgravity investigation on bedrock topography was conducted at Maluri park reference level in Kuala Lumpur, Malaysia. The study aim to mapping the near-surface structure and soil and land cover distribution for geography and geophysics surveys. Two types of cross-section modeling of the residual anomaly generated the MaluriBouguer Anomaly model for site-1 and site-2 at Maluri Park. The 2D microgravity models produced the contour map, displaying the characterization due to density contrast in rock types while mapping the subsurface geological structure at different depths. Moreover, a synthetic model was initiated with the assumption of lateral distance on the left and right sides taken at 50 m and a depth of 60 m. The results of modeling confirmed that the soil and rock type composition on both models site tests are topsoil (1.1 to 1.92 g/cm3), soil (1.8 g/cm3), clay (1.63 g/cm3), gravel (1.7 g/cm3), sand (2.0 g/cm3), shale (2.4 g/cm3), sandstone (2.76 g/cm3), and limestone (2.9 g/cm3). The 2D gravity modeling using two model site tests obtained a correspondence with the observed microgravity data. Keywords: Bouguer anomaly, limestone, microgravity, soil structure, topography. References Amaluddin, L. O., Rahmat, R., Surdin, S., Ramadhan, M. I., Hidayat, D. N., Purwana, I. G., & Fayanto, S. (2019). The Effectiveness of Outdoor Learning in Improving Spatial Intelligence. Journal for the Education of Gifted Young Scientists, 7(3), 667–680. https://doi.org/10.17478/jegys.613987 Arisona,A., Mohd N., Amin E.K., &Abdullahi, A.(2018).Assessment of microgravity anomalies of soil structure for geotechnical 2d models.Journal of Geoscience, Engineering, Environment, and Technology (JGEET)3(3), 151-154. Georgsson, L.S. (2009). Geophysical Methotds Used in Geothermal Exploration. Presented at Exploration for Geothermal Resources, 1-22 November 2009, 1-16. Grandjean, G. (2009). From Geophysical Parameters to Soil Characteristics.Florida: Report N°BRGM/FP7-DIGISOIL Project Deliverable 2.1, Final ReportDepartment of Civil and Coastal EngineeringUniversity of Florida. Hiltunen, D.R., Hudyma,N.,Tran,K.T.,&Sarno,A.I. (2012).Geophysical Testing of Rock and Its Relationthipsto Physical Properties.Florida:Final ReportDepartment ofCivil and Coastal EngineeringUniversity ofFlorida. Kirsch,R. (2006).GroundwaterGeophysics, ATool for Hydrogeology.New York: Springer. Kamal,H.,Taha,M.,&Al-Sanad,S. (2010). Geoenvironmental Engineering and Geotechnics, GeoShanghai 2010 International Conference. (accessed 02.03.17) Lilie, R.J. (1999).Whole Earth Geophysics: An Introductory Textbook for Geologists and Geophysicists. New Jersey:Prentice-HallInc. Pringle, J.K., Styles, P., Howell, C.P.,Branston, M.W., Furner, R., &Toon,S.M. (2012). Long-term time-lapse microgravity and geotechnical monitoring of relict salt mines, marston, cheshire, uk. Geophysic77(6), 165-171. Samsudin, H.T.(2003).A microgravity survey over deep limestone bedrock.Bulletin of Geological Society of Malaysia4(6), 201-208. Tan, S.M. (2005). Karsticfeatures of kualalumpur limestone. Bulletin of the Institution of EnginnerMalaysia 4(7), 6-11. Tajuddin, A.&Lat, C.N. (2004).Detecting subsurfacevoids using the microgravity method, a case study from kualalipis, pahang.Bulletin of Geological Society of Malaysia 3(48), 31-35. Tuckwell, G., Grossey, T., Owen, S., & Stearns, P. (2008). The use of microgravity to detect small distributed voids and low-density ground. Quarterly Journal of Engineering Geology and Hydrogeology, 41(3), 371–380. https://doi.org/10.1144/1470-9236/07-224 Wanjohi, A.W. (2014). Geophysical Field Mapping. Presented at Exploration for Geothermal Resources, 2-23 November 2014, 1-9. Yusoff , Z.M., Raju,G. &Nahazanan, H.(2016).Static and dynamic behaviour of kualalumpur limestone. Malaysian Journal of Civil Engineering Special Issue Vol.28 (1), p.:18-25. Zabidi, H. & De Freitas, M.H. (2011).Re-evaluation of rock core logging for the prediction of preferred orientations of karst in the kualalumpur limestone formation. Engineering Geology, 117(3-4), p.: 159–169. Copyright (c) 2019 Geosfera Indonesia Journal and Department of Geography Education, University of Jember This work is licensed under a Creative Commons Attribution-Share A like 4.0 International License

In the present work, several parameters affecting on the catalytic behavior were studied in the process of partial oxidation of methanol to formaldehyde, such as: Mo/Fe ratio in unsupported catalysts, weight percent of the metallic phase in the supported catalysts, the effect of different supports, the method of Mo-Fe deposition on the supports, and the stability of the prepared catalysts against coke. These catalysts were characterized by X-ray diffraction (XRD), Fourier Transform Infra Red (FT-IR), Thermogravimetric Analysis (TGA), Scanning Electron Microscopy (SEM), N2 adsorption-desorption, and Atomic Adsorption Spectroscopy (AAS) methods. The best results (the methanol conversion = 97 % and formaldehyde selectivity = 96 %) were obtained for Mo-Fe/g-Al2O3 prepared by co-precipitation method with Mo/Fe = 1.7, 50 wt.% of Fe-Mo phase, 2 mL/h methanol flow rate, and 120 mL/min air flow rate at 350 oC. Copyright © 2018 BCREC Group. All rights reservedReceived: 1st January 2018; Revised: 17th July 2018; Accepted: 24th July 2018How to Cite: Peyrovi, M.H., Parsafard, N., Hasanpour, H. (2018). Catalytic Study of the Partial Oxidation Reaction of Methanol to Formaldehyde in the Vapor Phase. Bulletin of Chemical Reaction Engineering & Catalysis, 13 (3): 520-528 (doi:10.9767/bcrec.13.3.2048.520-528)Permalink/DOI: https://doi.org/10.9767/bcrec.13.3.2048.520-528

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The use of lithium-metal anodes promises batteries with substantially higher energy densities due to their high theoretical capacity of 3860 mAh g-1 and low redox plateau of -3.04 V vs. the standard hydrogen electrode [1, 2]. Of particular interest in this regard is the combination with (quasi-)solid electrolytes, potentially enabling a stabilized interface with the lithium electrode compared to solely liquid electrolyte systems [3]. Herein, a new gel-polymer electrolyte based on a non-toxic, nitrogen-containing polymer is reported that provides flame-retarding properties and decreases the volatility of the liquid electrolyte phase, thus, reducing the flammability of the electrolyte system as a whole [4, 5]. In addition, this electrolyte enables very stable cycling of symmetric Li‖Li cells and superior cell performance in Li‖LiFePO4 compared to the liquid analogue. In fact, the commercial availability of this polymer renders a potential use in future rather straightforward. References [1] X. Dong, A. Mayer, X. Liu, S. Passerini, D. Bresser, ACS Energy Letters, 8 (2023) 1114-1121. [2] H.P. Liang, M. Zarrabeitia, Z. Chen, S. Jovanovic, S. Merz, J. Granwehr, S. Passerini, D. Bresser, Advanced Energy Materials, 12 (2022) 2200013-2200024. [3] K. Sashmitha, M.U. Rani, Polymer Bulletin, 80 (2022) 89-135. [4] K. Kiran Kumar, M. Ravi, Y. Pavani, S. Bhavani, A.K. Sharma, V.V.R. Narasimha Rao, Physica B: Condensed Matter, 406 (2011) 1706-1712. [5] J. Zieba, Y. Zhang, P. N. Prasada, Sol-Gel Optics 11, 1758 (1992) 403-409.

Работа посвящена обобщению результатов исследования анодирования алюминида титана (γ-TiAl) во фторсодержащих электролитах. Установлены оптимальные условия анодирования, приводящие к формированию самоорганизованных нанопористых анодных оксидных пленок (АОП) на поверхности образцов, сплава Ti-40 wt. % Al. Показано, что при оптимальных условиях образуются рентгеноаморфные оксидные пленки гетерогенного состава (Al2O3:TiO2 @ 1:1) с размерами пор в диапазоне от 40 до 80 nm. Полученные результаты свидетельствуют о перспективности применения анодного наноструктурирования порошков Ti-40 wt. % Al для получения фотокаталитически активных материалов с расширенным до видимого света спектральным диапазоном поглощения. ЛИТЕРАТУРА Wang Y., Ma X., Li H., Yin S., Sato T. Advanced Catalytic materials - Photocatalysis and Other Current Trends, 2016, vol. 12, pp. 337–357. https://doi.org/10.5772/61864 Hashimoto K., Irie H., Fujishima A. Japanese Journal of Applied Physics, 2005, vol. 44, no. 12, pp. 8269–8285. https://doi.org/10.1143/jjap.44.8269 Uddin Md.T., Engg M. Sc. Dr. Rer. Nat. Technical University of Darmstadt, 2014, 222 p. URL: https://d-nb.info/1061050335/04 (accessed 28.11.2018) Batzill M. Energy Environ. Sci., 2011, vol. 4, pp. 3275–3286. https://doi.org/10.1039/c1ee01577j Marschall R. Funct. Mater., 2014. vol. 24. pp. 2421–2440. https://doi.org/10.1002/adfm.201303214 Ghicov A., Schmuki P. Commun., 2009, pp. 2791–2808. https://doi.org/10.1039/b822726h Li F., Zhao Y., Hao Y., Wang X., Liu R., Zhao D., Chen D. Journal of Hazardous Materials, 2012, vol. 239–240. pp. 118–127. https://doi.org/10.1016/j.jhazmat.2012.08.016 Morris S. M., Horton J. A., Jaroniec M. Mesopor. Mater., 2010, vol. 128, pp. 180–186. https://doi.org/10.1016/j.micromeso.2009.08.018 Ahmed M. A., Abdel-Messih M. F. Journal of Alloys and Compounds, 2011, vol. 509, pp. 2154–2159. https://doi.org/10.1016/j.jallcom.2010.10.172 Pakmehr M., Nourmohammadi A., Ghashang M., Saffar-Teluri A. Journal of Particle Science and Technology, 2015, pp. 31–38. https://doi.org/22104/JPST.2015.76 Pei J., Ma W., Li R., Li Y., Du H. Journal of Chemistry, 2015, pp. 1–7. https://doi.org/10.1155/2015/806568 Il'in, A. A., Kolachev, B. A., Pol'kin, I. S. Titanovye splavy. sostav, struktura, svoistva [Titanium alloys. Composition, structure, properties]. Moscow, VILS-MATI Publ., 2009, 520 p. (in Russ.) Tsuchiya, H., Berger, S., Macak, J.M., Ghicov, A., Schmuki, P. Comm., 2007, vol. 9, pp. 2397–2402. https://doi.org/10.1016/j.elecom.2007.07.013 Berger, S., Tsuchiya, H., Schmuki, P. Mater., 2008, vol. 20, pp. 3245–3247. https://doi.org/10.1021/cm8004024 Stepanova K. V., Yakovleva N. M., Kokatev A. N., Pettersson Kh. zap. PetrGU. Seriya Estestvennye i tekhnicheskie nauki, 2015, vol. 147, no. 2, pp. 81–86. (in Russ.) Stepanova К. V., Yakovleva N. M., Kokatev А. N., Pettersson H. Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques, 2016, vol. 10, no. 5, pp. 933– https://doi.org/10.1134/S102745101605013X Stepanova K. V. Diss. kand. tekh. nauk. Petrozavodsk, 2016, 162 p. (in Russ.) Yakovleva N. M., Kokatev A. N., Chupakhina E. A., Stepanova K. V., Yakovlev A. N., Vasil'ev S. G., Shul'ga A. M. Condensed Matter and Interphases, 2016, vol. 18, no. 1, pp. 6− URL: http://www.kcmf.vsu.ru/resources/t_18_1_2016_001.pdf (in Russ.) Kokatev A. N. Diss. kand. tekh. nauk. Petrozavodsk, 2013, 170 p. Savchenko O. I., Yakovleva N. M., Yakovlev A. N., Kokatev A. N., Pettersson Kh. Condensed Matter and Interphases, 2012, vol. 14, no. 2, pp. 243–249. URL: http://www.kcmf.vsu.ru/resources/t_14_2_2012_018.pdf (in Russ.) Canulescu S., Rechendorff K., Borca C.N., Jones N.C., Bordo K., Schou J., Pleth Nielsen L., Hoffmann S. V., Ambat R. Applied Physics Letters, 2014, vol. 104, pp. 121910(1–4). https://doi.org/10.1063/1.4866901 Chen C., Liu J., Liu P., Yu B. Advances in Chemical Engineering and Science, 2011, vol. 1, pp. 9– https://doi.org/10.4236/aces.2011.11002 Rashed M. N., El-Amin A. A. International Journal of Physical Sciences, 2007, vol. 2 (3), pp. 073–081. URL: http://www.academicjournals.org/IJPS (accessed 28.11.2018) Ivanov V. M., Tsepkov M. G., Figurovskaya V. N. Vestnik Moskovskogo universiteta. Seriya 2: Khimiya [Moscow University Chemistry Bulletin], 2010, vol. 65, 6, pp. 370-373. https://link.springer.com/article/10.3103%2FS0027131410060076 Scuderi V., Impellizzeri G., Romano L., Scuderi M., Nicotra G., Bergum K., Irrera A., Svensson B.G., Privitera V. Nanoscale Research Letters, 2014, vol. 9, pp. 458–464. https://doi.org/10.1186/1556-276x-9-458 AbdElmoula M. Dr. Philosophy. Boston, 2011, 275 р. Lee K., Mazare A., Schmuki P. Rev., 2014, vol. 114, pp. 9385–9454. https://doi.org/10.1021/cr500061m Leyens C., Peters M. Titanium and Titanium Alloys. Fundamentals and Applications. Weinheim: WILEY-VCH Verlag GmbH & Co. KGaA, 2003, 532 p.

In this present work, diethyl ether, which is currently served as promising alternative fuel for diesel engines, was produced via catalytic dehydration of ethanol over H3PO4-modified g-c Al2O3 catalysts. The impact of H3PO4 addition on catalytic performance and characteristics of catalysts was investigated. While catalytic dehydration of ethanol was performed in a fixed-bed microreactor at the temperature ranging from 200ºC to 400ºC under atmospheric pressure, catalyst characterization was conducted by inductively coupled plasma (ICP), X-ray diffraction (XRD), N2 physisorption, temperature-programmed desorption of ammonia (NH3-TPD) and thermogravimetric (TG) analysis. The results showed that although the H3PO4 addition tended to decrease surface area of catalyst resulting in the reduction of ethanol conversion, the Al2O3 containing 5 wt% of phosphorus (5P/Al2O3) was the most suitable catalyst for the catalytic dehydration of ethanol to diethyl ether since it exhibited the highest catalytic ability regarding diethyl ether yield and the quantity of coke formation as well as it had similar long-term stability to conventional Al2O3 catalyst. The NH3-TPD profiles of catalysts revealed that catalysts containing more weak acidity sites were preferred for dehydration of ethanol into diethyl ether and the adequate promotion of H3PO4 would lower the amount of medium surface acidity with increasing catalyst weak surface acidity. Nevertheless, when the excessive amount of H3PO4 was introduced, it caused the destruction of catalysts structure, which resulted in the catalyst incapability due to the decrease in active surface area and pore enlargement. Copyright © 2019 BCREC Group. All rights reservedReceived: 28th March 2018; Revised: 7th August 2018; Accepted: 15th August 2018; Available online: 25th January 2019; Published regularly: April 2019How to Cite: Limlamthong, M., Chitpong, N., Jongsomjit, B. (2019). Influence of Phosphoric Acid Modification on Catalytic Properties of g-c Al2O3 Catalysts for Dehydration of Ethanol to Diethyl Ether. Bulletin of Chemical Reaction Engineering & Catalysis, 14 (1): 1-8 (doi:10.9767/bcrec.14.1.2436.1-8)Permalink/DOI: https://doi.org/10.9767/bcrec.14.1.2436.1-8

Эндофуллерены, содержащие один или несколько атомов металла внутри углеродного каркаса (металлофуллерены), представляют большой практический интерес в связи с возможностью создания на их основе эффективных контрастирующих агентов для магнитно-резонансной томографии (МРТ), антиоксидантных и противораковых средств. Данные соединения могут быть также использованы в спинтронике для создания наноразмерных электронных устройств. В настоящей работе в рамках теории функционала плотности произведен расчет структурных, электронных и термодинамических характеристик эндофуллеренов металлов подгруппы скандия с числом инкапсулированных атомов от одного до семи в газовой фазе. Описаны стабильные структуры с симметриямиCs, C2, C3 и Ci, соответствующие позициям, занимаемым атомами металла внутри каркаса фуллерена. Установлен теоретический предел числа атомов металла, при котором структура эндофуллерена сохраняет устойчивость – шесть атомов для скандия, четыре для иттрия и три для лантана. Расчет показывает, что наиболее устойчивыми являются структуры с двумя и тремя инкапсулированными атомами. Описана зависимость между числом инкапсулированных атомов металла и характером распределения электронной плотности. Общий заряд на инкапсулированном металлическом кластере положителен для соединений Me@C60 – Me3@C60, слабо положителен для Me4@C60(отдельные атомы имеют отрицательный заряд) и отрицателен для соединений Me5C60 – Me6@C60. Описан эффект спиновой утечки для структур с основным дублетным спиновым состоянием. Для соединений с тремя и более инкапсулированными атомами данный эффект незначителен, что указывает на нецелесообразность создания контрастирующих агентов для МРТ на их основе. ЛИТЕРАТУРА 1. Kroto H. W., Heath J. R., O’Brien S. C., Curl R. F., Smalley R. E. C60: Buckminsterfullerene. Nature.1985;318(6042): 162–163. DOI: https://doi.org/10.1038/318162a02. Kratschmer W., Lamb L. D., Fostiropoulos K., Huffman D. R. Solid C60: a new form of carbon. 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Князь Г.Н. Трубецкой, как представитель генерального штаба действующей армии, был заметной фигурой в составе Поместного Собора РПЦ 1917-1918 гг. Важнейшими деяниями Трубецкого на Соборе стали: речь в защиту патриаршества на пленарном заседании; авторство «формулы перехода» Отдела о Высшем Церковном Управлении; участие в соборном посольстве в Киев и составлении документа об отказе Собора от общения с большевиками по поводу еженедельного академического издания «Церковный Вестник». Однако его деятельность на Соборе не получила должной научной оценки. Решению данной задачи посвящена настоящая статья. В статье на основе анализа комплекса опубликованных и архивных документов показано, что дипломатический опыт Г.Н. Трубецкого оказался востребованным при решении острых дискуссионных вопросов. Prince G.N. Trubetskoy, as a representative of the general staff of the acting army, was a notable figure in the Local Council of the Russian Orthodox Church in 1917-1918. The most important acts of Trubetskoy at the Council were: a speech in defense of the patriarchate at the plenary session; authorship of the «transition formula» of the department of the Higher Church Administration; participation in the Council's embassy to Kiev and preparation of the document on the refusal of the Council to communicate with the Bolsheviks regarding the weekly academic publication «Church Bulletin». His activities at the Council, however, did not receive a proper scholarly appraisal. The present article is devoted to solving this problem. Based on an analysis of a set of published and archival documents, the article shows that G. N. Trubetskoy's diplomatic experience was in demand when dealing with acute discussion issues.

A lot of dye pollutants were released in the aquatic environment as waste from industrial coloring process. This research aimed to study silica gels (SG) as a potential adsorbent to remove the dyes. The SG can be synthesized from coal fly ash (FA), which is industrial solid waste rarely utilized, using the sol-gel method. Its properties were then characterized by FTIR, XRD, SEM, and isothermal ads-des N2. As a result, FTIR spectra and XRD diffractogram exhibited the successfully SG synthesized from FA with the amorphous structure. The image analysis using SEM demonstrated that SG particles are spherical. The isotherm type, based on isotherm ads-des N2, is type II without hysteresis loop which represents the nonporous material SG with the surface area and pore diameter of 25.977 m2/g and 1.52 nm, respectively. The adsorption capacity performance of SG to remove methylene blue (MB) as a basic dye is 62.70 % which is higher than FA, following Langmuir isotherm adsorption model. The kinetics of adsorption rate of SG are based on the pseudo second order models accelerated by 3.37 times faster than FA. Copyright © 2017 BCREC Group. All rights reservedReceived: 13rd November 2016; Revised: 18th February 2017; Accepted: 19th February 2017How to Cite: Sulistiyo, Y.A., Andriana, N., Piluharto, B., Zulfikar, Z. (2017). Silica Gels from Coal Fly Ash as Methylene Blue Adsorbent: Isotherm and Kinetic Studies. Bulletin of Chemical Reaction Engineering & Catalysis, 12 (2): 263-272 (doi:10.9767/bcrec.12.2.766.263-272)Permalink/DOI: http://dx.doi.org/10.9767/bcrec.12.2.766.263-272

Оксидные соединения, как основа перспективных материалов, благодаря своим электрическим и оптическим свойствам находят применение в различных областях современной техники. Некоторые из них, обладая сочетанием сегнетоэлектрических, сцинтилляционных, электрических и оптических свойств, исследуются как перспективные материалы для электроники. При этом важную роль играет их дисперсность.Традиционно синтез оксидных соединений проводят керамической технологией. Более перспективным для синтеза мелкодисперсных порошков являются методы «мягкой» химии, среди которых нами выделен и применён золь-гель метод. В этом методе «смешение» происходит на молекулярном уровне, что способствует повышению скоростей реакций и снижению температуры синтеза. Метод предполагает использовать в качестве прекурсоров неорганическиесоли в сочетании с комплексообразующими агентами (лимонная кислота). Применение таких прекурсоров позволяет достичь высокой однородности при сравнительно низких температурах. Особенностью данного подхода является использование меньшего количества органических соединений: в качестве хелатообразующего агента используется водный раствор лимонной кислоты. Целью данной работы являлось получение тройного молибдата на примере железосодержащего молибдата циркония калиевого ряда золь-гель технологией.Нами методами цитратной золь-гель технологии и твердофазного синтеза получен железосодержащий тройной молибдат циркония калиевого ряда. Тройной молибдат, полученный двумя методами, охарактеризован рентгенофазовым анализом, методами дифференциально-сканирующей калориметрией и импедансной спектроскопии. ЛИТЕРАТУРА 1. Sorokin N. I. Ionic conductivity of KMg-Cr(MoO4)3 molybdate. Crystallography Reports.2017;62(3): 416–418. DOI: https://doi.org/10.1134/s106377451703021x2. Павлова Э. Т., Цыренова Г. Д., Лазоряк Б. И.,Солодовников С. Ф. Строение и свойства двойныхсеребросодержащих молибдатов составаАg2A2(MoO4)3 (а = Mg, Mn, Cu). Вестник Бурятскогогосударственного университета. Химия. Физика.2015;3: 3–7. Режим доступа: https://elibrary.ru/item.asp?id=232336723. Savina A. A., Solodovnikov S. F., Belov D. A.,Basovich O. M., Solodovnikova Z. A., Pokholok K. V.,Stefanovich S. Yu., Lazoryak B. I., Khaikina E. G. Synthesis,crystal structure and properties of alluaudite-like triple molybdate Na25Cs8Fe5(MoO4)24. Journalof Solid State Chemistry. 2014;220: 217–220. DOI:https://doi.org/10.1016/j.jssc.2014.09.0044. Jena P., Nallamuthua N., Patro P. K., VenkateswarluM., Satyanarayana N. Structural characterizationand electrical conductivity studies of BaMoO4nanorods prepared by modified acrylamide assistedsol–gel process. Advances in Applied Ceramics.2014;113(6): 372–379. DOI: https://doi.org/10.1179/1743676114Y.00000001705. Балсанова Л. В. Синтез кристаллов серебро-содержащих оксидных фаз на основе молибдена,изучение их структуры и свойств. Вестник ВСГУТУ.2015;5(56): 63–69. 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The crude methanolic extract, ethyl acetate and butanolic fractions, tannins, saponins and polysaccharides of the marine brown alga, Padina pavonica, growing on the Algerian Mediterranean Coast were measured for antioxidant activity, using total antioxidant capacity (TAC), reducing power and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assays. Total phenolic, flavonoid and proanthocyanidin contents were determined. The total phenolic, proanthocyanidin and flavonoid contents of methanolic extract were about of 2.007 ± 0.104 mg GAE/g DM, 4.611 ± 0.346 mg CE/g DM and 1.132 ± 0.091 mg CE/g DM, respectively. The total antioxidant capacity was higher (4.365 ± 0.452 mg AAE/g DM) in crude methanolic extract. 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Работа направлена на установление закономерностей изменения сдвиговой упругости, возникающих при структурной релаксации металлических стекол на основе Pd и Zr. Измерения модуля сдвига выполнялись на частотах около 500 кГц. Несмотря на отличия в физических свойствах исследованных металлических стекол (химический состав, стеклообразующая способность, температуры стеклования и др.), наблюдаются определенные общие закономерности релаксации их сдвиговой упругости при термообработке. ИСТОЧНИК ФИНАНСИРОВАНИЯ Работа поддержана грантом Минобрнауки РФ № 3.1310.2017/4.6. БЛАГОДАРНОСТИ Автор выражает благодарность проф. В.А. Хонику за обсуждение статьи ЛИТЕРАТУРА Dyre С. Reviews of Modern Physics, 2006, vol. 78, pp. 953–972. https://doi.org/10.1103/revmodphys.78.953 Dyre J. C., Olsen N. B., Christensen T. Physical Review B, 1996, vol. 53, pp. 2171–2174. https://doi.org/10.1103/physrevb.53.2171 Khonik V. A., Mitrofanov Yu. P., Lyakhov S. A., Vasiliev A. N., Khonik S. V., Khoviv D. A. Physical Review B, 2009, vol. 79, pp. 132204-1–132204-4. https://doi.org/10.1103/physrevb.79.132204 Chen H. S. Reports on Progress in Physics, 1980, vol. 43, pp. 353–432. https://doi.org/10.1088/0034-4885/43/4/001 Hirao M., Ogi H. EMATS for Science and Industry: Noncontacting Ultrasonic Measurements. New-York, Springer, 2003, p. 372. Vasil'ev A. N., Buchel'nikov V. D., Gurevich M. I., Kaganov M. I., Gajdukov Ju. P. Electromagnetic Excitation of Sound in Metals. Cheljabinsk, Izd-vo JuUrGU Publ., 2001, 339 p. Wang W. H. Progress in Materials Science, 2012, vol. 57, pp. 487–656. https://doi.org/10.1016/j.pmatsci.2011.07.001 Watanabe L. Y., Roberts S. N., Baca N., Wiest A., Garrett S. J., Conner R. D. Materials Science and Engineering: C, 2013, vol. 33, pp. 4021–4025. https://doi.org/10.1016/j.msec.2013.05.044 Wang D. P., Zhao D. Q., Ding D. W., Bai H. Y., Wang W. H. Journal of Applied Physics, 2014, vol. 115, pp. 123507-1–123507-4. https://doi.org/10.1063/1.4869548 Zhang Z., Keppens V., Liaw P. K., Yokoyama Y. Journal of Materials Research, 2006, vol. 22, pp. 364–367. https://doi.org/10.1557/jmr.2007.0040 Khonik V. A. Izvestija Akademii Nauk. Serija fizicheskaja [Bulletin of the Russian Academy of Sciences: Physics], 2001, vol. 65, no. 10, pp. 1465–1471. (in Russ.) Shtremel' M. A. The Strength of the Alloys. Part Defects of the Lattice. Moscow, MISIS Publ., 1999, 384 p. (in Russ.) Gordon C. A., Granato A. V. Materials Science and Engineering A, 2004, vol. 370, pp. 83–87. https://doi.org/10.1016/j.msea.2003.08.077 Shen T. D., Schwarz R. B. Applied Physics Letters, 2006, vol. 88, pp. 091903-1–091903-3. https://doi.org/10.1063/1.2172160 Tsyplakov A. N., Mitrofanov Yu. P., Khonik V. A., Kobelev N. P., Kaloyan A. A. Journal of Alloys and Compounds, 2015, vol. 618, pp. 449–454. https://doi.org/10.1016/j.jallcom.2014.08.198 Mitrofanov Y. P., Wang D. P., Makarov A. S., Wang W. H., Khonik V. A. // Scientific Reports, 2016, vol. 6, p. 23026-1–23026-6. https://doi.org/10.1038/srep23026 Afonin G. V., Mitrofanov Yu. P., Makarov A. S., Kobelev N. P., Khonik V. A. // Journal of Non-Crystalline Solids, 2017, vol. 475, pp. 48–52. https://doi.org/10.1016/j.jnoncrysol.2017.08.029

Статтю присвячено психолінгвістичному аналізу вербальної репрезентації студентами концепту «проповідь» шляхом вільного асоціативного експерименту. Розглянуто поняття концепту та релігійного концепту. Представлені основні лінгвістичні дослідження проповіді українськими та закордонними вченими. Описано комунікативні особливості релігійної проповіді. Зазначено особливості та процедура проведення вільного асоціативного експерименту. У результаті здійсненого асоціативного експерименту вербальної репрезентації концепту «проповідь» було отримано всього 260 реакцій на слово-стимул «проповідь», серед яких 97 різних асоціацій. Аналіз асоціацій дозволив виявити найчастотніші реакції на «проповідь», серед яких: «священик», «розповідь», «повчання» та «настанова». Аналіз отриманих асоціацій на «проповідь» здійснено за логічним критерієм, що дозволило виявити переважання центральних реакцій на слово «проповідь». За граматичним критерієм серед отриманих асоціацій на «проповідь» переважають парадигматичні реакції. Аналіз отриманих асоціацій на «проповідь» здійснено за тематичним критерієм, що дало змогу виокремити чотири різні тематичні категорії: атрибути місця (ситуація проповіді), особливості жанру, люди (учасники проповіді), емоції та оцінки. Найчисельнішою виявилено тематичну групу пов’язану з особливостями жанру. Найменш чисельною серед отриманих асоціацій виявилась тематична група «учасники проповіді». References Anikushyna, M. V. (2008). O kompozitsii teksta sovremennoy hristianskoy angloyazyichnoy propovedi [On text composition of the modern Christian English-language sermon]. Proceedings of Tula State University. Humanitarian Sciences, 2, 191–196. Bizjak Končar, A. (2008). Contemporary sermons: From grammatical annotation to rhetorical design. Systemic Functional Linguistics in Use. Odense Working Papers in Language and Communication, 29, 503–521. Esimaje, U. A. (2014). A descriptive survey of the character of English lexis in sermons. SAGE Open, 4(4), 1–16. Goroshko, Ye. I. (2001). Integrativnaya Model Svobodnogo Assotsiativnogo Eksperimenta [Integrative Model of Free Associative Test]. Kharkiv: RA–Karavella. Zalevskaya, A. A. (2001). Psiholingvisticheskiy podhod k probleme koncepta [Psycholinguistic Approach to the Concept]. In: Methodological Problems of Psycholinguistics, (pp. 36–45). Voronezh: VGU. Zasiekina, L. V. Zasiekin, S. V. (2008) Psykholinhvistychna Diahnostyka [Psycholinguistic Diagnostics]. Lutsk : Vezha. Zlenko, S. (2017). The trust to social institutions. Retrieved from http://www.kiis.com.ua/?lang=ukr&cat=reports&id=678&page=1. Istomina, I. A. (2012). O dialogichnosti tekstov sovremennoy pravoslavnoy propovedi [Dialogic texts of modern Orthodox sermon]. Scientific Proceedings of Kazan University. Humanitarian Sciences, 154(5), 156–163. Martinek, S. V. (2011). Empirychni y eksperymentalni metody u suchasnii kohnityvnii linhvistytsi [Empirical and experimental methods in current cognitive linguistics]. Bulletin of Lviv University. Philological Series, 52, 25–32. Muntyan, L. V. (2013). Kontseptual’nyy analiz ta metody doslidzhennya verbalizovanykh kontseptiv [Conceptual analysis and methods of research verbalized concepts]. Scientific Notes. Philological Series, 33, 103–105. Postovalova, V. I. (2012). Religioznyie kontsepti v teolingvisticheskom predstavlenii [Religious concepts in teolinguistic representation]. Teolinguistika. International Thematic Collection of Papers. Beograd: Belgrade University, 143–152. Prokhvatilova, O. A. (1999). Pravoslavnaya propoved’ i molitva kak fenomen sovremennoy zvuchashchey rechi [Orthodox sermon and prayer as a phenomenon of modern sounding speech]. Volgograd: Volgograd State University. Rozhylo, M. A. (2014). Komunikatyvnyi potentsial relihiinoho internet-tekstu (na prykladi propovidei Mytropolyta Lutskoho i Volynskoho Mykhaila) [Communicative Potential of Religious Internet text (based on sermons by Metropolitan Bishop of Lutsk and Volyn Mykhail)]. Media, Globalization, Social Mimicry: Scientific Online Symposium. (101-106). Lutsk, Ukraine: Lesya Ukrainka Eastern European National University. Sergeyeva, Ye. V. (2007). Leksicheskaya eksplikatsiya kontsepta “religiya” v russkom yazyke [Lexical explication of the concept “religion” in Russian]. Political Linguistics, 2(22), 151–165. Stebel’kova, N. A. (2012). Lingvisticheskie osobennosti anglojazychnoj propovedi kak zhanrovoj raznovidnosti teologicheskogo diskursa [Linguistic features of the English speaking sermon as a genre variety of theological discourse]. Bulletin of Moscow State Linguistic University, 6(639), 205–212. 16. Yasinovskaya, Ye. G. (2011). O spetsifike religioznogo diskursa [On the specifics of religious discourse]. Bulletin of Moscow State Linguistic University, 10(616), 179–186.

<p>The objective of this research was to modify the matrix surfaces to obtain both hydrophobic matrix (HM) and hydrophilic-hydrophobic matrix (HHM) for enzymatic synthesis of fructose oleic ester (FOE). The modification was performed by the attachment of 2-phenylpropionaldehyde (PPA) and PPA followed by polyethyleneimine (PEI) for HM and HHM, respectively. The results from FT-IR analysis showed that the peak of stretching vibration of NH₂ bond decreased and it was followed by an increase of the peak vibration of –C=N– bond at wave number 1667 cm^-1. The peak of bending vibrations of the C=C bond also increased. It indicated that PPA was successfully attached on matrix. For HHM, an increase in the peak area of NH₂ bond indicated that PEI was also successfully attached on the matrix. The optimum conditions of lipase adsorption were obtained at buffer pH 7 containing 0.5 M NaCl (9.27 mg protein/g matrix) and without NaCl (9.23 mg protein/g matrix) for HM and HHM, respectively. For FOE synthesis, the best immobilized lipase concentration was about 8% and 6% for HM and HHM, respectively. The optimum time of esterification was 24 h and 18 h for HM and HHM, respectively, in which the yields were 75.96% and 85.29%, respectively. The immobilized lipase could be used up to 3 cycles of esterification reaction. Copyright © 2016 BCREC GROUP. All rights reserved</p><p><em>Received: 21^st December 2015; Revised: 23^rd February 2016; Accepted: 14^th April 2016</em></p><p><strong>How to Cite</strong>: Hilmanto, H., Hidayat, C., Hastuti, P. (2016). Surface Modification of Macroporous Matrix for Immobilization of Lipase for Fructose Oleic Ester Synthesis. <em>Bulletin of Chemical Reaction Engineering &amp; Catalysis</em>, 11 (3): 339-345 (doi:10.9767/bcrec.11.3.573.339-345)</p><p><strong>Permalink/DOI:</strong> <a href="http://doi.org/10.9767/bcrec.11.3.573.339-345">http://doi.org/10.9767/bcrec.11.3.573.339-345</a></p>

The objective of this study is to identify the teachers’ profile funded by the Productivity in Research scholarship (PQ), in order to analyze the promotion of research within the scope of CNPq for Education. Regarding the theoretical reference, Pierre Bourdieu, on social fields, and in particular on the scientific field, associated with the notion of habitus (trajectory, practical sense and strategy), considers that academic practices, university training and scientific research, on which they constitute a specific ethos through which certain values are required and developed. In methodological field, it is based on a qualitative and exploratory approach, based on a bibliographical study, database composition on funding and scholarship, obtained in the CNPq through the SIGEF (Management of Development System) and Directory of Research Groups ( DGP), tabulated using SPSS software and documentary analysis, focusing on official documents of the Ministry of Science, Technology, Innovation and Communications (MCTIC) and CNPq, regarding the PQ scholarship and APQ grants. Among the results, it is noted that the investment in Brazilian science and in scientific production area was based on international strategic and political interest. In the promotion of education, the data allowed to establish the trajectory of formation, institutional linkage and research, and demonstrate a certain conservatism that can be understood as difficulty or impossibility to develop new processes and practices more inclusive from the point of view of the equanimous development between the researchers in Brazil and your ‘homo academicus’.ResumoO trabalho objetiva identificar o perfil dos professores financiados com bolsa Produtividade em Pesquisa (PQ), com intuito de analisar o fomento à pesquisa no âmbito do CNPq para a área de Educação. No que concerne ao referencial teórico, perpassa-se por Pierre Bourdieu, sobre campos sociais, e em particular sobre o campo científico, associado à noção de habitus, considerando que as práticas acadêmicas, a formação universitária e a pesquisa científica, sobre as quais constituem-se em um ethos específico por meio do qual determinados valores são requeridos e desenvolvidos. No campo metodológico, apoia-se em abordagem qualitativa, exploratória, com base em estudo bibliográfico, composição de banco de dados sobre financiamento e bolsistas, obtidos no CNPq por meio do Sistema de Gerenciamento do Fomento (SIGEF) e Diretório de Grupos de Pesquisa (DGP), tabulados por meio do software SPSS; e análise documental, com foco em documentos oficiais do Ministério da Ciência, Tecnologia, Inovações e Comunicações (MCTIC) e CNPq, no que tange aos editais de bolsa PQ e de auxílio à pesquisa (APQ). Entre os resultados, nota-se que o investimento na ciência brasileira partiu do interesse estratégico e político internacional. 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<p>Zero valent iron supported on mesoporous silicanano particles (NZVI/MSNs) was prepared by the aqueous phase borohydride reduction methods. Prior to the reduction, mesoporous silica nanoparticles (MSNs) were prepared through the activation of fumed silica with concentrated HCl by refluxing at 90 °C. FTIR, XRD, FESEM, EDX and BET were used to characterize theadsorbents prepared. BET surface areas of MSNs, NZVI, and NZVI/MSNs were 126, 41, and 72 m²/g for, respectively. The performance of NZVI/MSNs as adsorbent was examined by adsorption of methylene blue (MB), performed in series of batch experiments. In the kinetic studies, pseudo first order and pseudo second order kinetic models were examined. The pseudo second order equation provided the best fit with the experimental data. Thermodynamic studies indicated that the adsorption process is endothermic with ΔH° was 90.53 kJ/mol. Positive ΔS° (300 J/mol) and negative ΔG° (-6.42 kJ/mol) was recorded, indicating the spontaneous of the adsorption process and naturally favorable. Copyright © 2016 BCREC GROUP. All rights reserved</p><p><em>Received: 5^th March 2016; Revised: 18^th March 2016; Accepted: 18^th March 2016</em></p><p><strong>How to Cite:</strong> Hameed, A.K., Dewayanto, N., Dongyun, D., Nordin, M.R., Mohd Hasbi Ab. Rahim, M.H.A. (2016). Kinetic and Thermodynamics of Methylene Blue Adsorption onto Zero Valent Iron Supported on Mesoporous Silica.<em> Bulletin of Chemical Reaction Engineering &amp; Catalysis</em>, 11 (2): 250-261 (doi:10.9767/bcrec.11.2.443.250-261)</p><p><strong>Permalink/DOI:</strong> http://dx.doi.org/10.9767/bcrec.11.2.443.250-261</p>

<p>Stringent environmental standards have made the removal of Cr(VI) from water an important problem for environmental scientist and engineering. Heterogeneous photocatalysis using suspended photocatalyst is an interesting technique to consider for this application. In this work, the influence of particle size of suspended CdS on the photocatalytic reduction of aqueous Cr(VI) ion was investigated. The efficiency of Cr(VI) reduction was monitored through UV-visible analysis. The experimental results showed that the nanoparticle size has a dramatic effect on the adsorption and reduction of Cr(VI). As surface area increased from 44.2±0.6 to 98.7±0.5 m²/g due to particle size reduction, the rate of Cr(VI) reduction nearly doubled in the first 20 min of visible light irradiation. The results evidenced the inverse relationship between the apparent reduction rate constant and the CdS particle size. Conversely, the half-life (t_1/2) period of the photocatalytic reduction has a direct relationship with CdS particle sizes. Copyright © 2017 BCREC GROUP. All rights reserved</p><p><em>Received: 14^th July 2016; Revised: 11^st October 2016; Accepted: 18^th October 2016</em></p><p><strong>How to Cite:</strong> Makama, A.B., Salmiaton, A., Saion, E.B., Choong, T.S.Y., Abdullah, N. (2017). Photocatalytic Reduction of Aqueous Cr(VI) with CdS under Visible Light Irradiation: Effect of Particle Size.<em> Bulletin of Chemical Reaction Engineering &amp; Catalysis</em>, 12(1): 62-70 (doi:10.9767/bcrec.12.1.593.62-70)</p><p><strong>Permalink/DOI:</strong> http://dx.doi.org/10.9767/bcrec.12.1.593.62-70</p><p> </p>

<p>The ZSM-5, g-Al₂O₃, SiO₂ and MgO supported Pd-catalysts were prepared for the phenol hydrogenation to cyclohexanone in liquid-phase. The natures of these catalysts were characterized by XRD, N₂ adsorption-desorption analysis, H₂-TPR, CO₂-TPD and NH₃-TPD. The catalytic performance of the supported Pd-catalyst for phenol hydrogenation to cyclohexanone is closely related to nature of the support and the size of Pd nanoparticles. The Pd/MgO catalyst which possesses higher basicity shows higher cyclohexanone selectivity, but lower phenol conversion owing to the lower specific surface area. The Pd/SiO₂ catalyst prepared by precipitation gives higher cyclohexanone selectivity and phenol conversion, due to the moderate amount of Lewis acidic sites, and the smaller size and higher dispersion of Pd nanoparticles on the surface. Under the reaction temperature of 135 ^oC and H₂ pressure of 1 MPa, after reacting for 3.5 h, the phenol conversion of 71.62% and the cyclohexanone selectivity of 90.77% can be obtained over 0.5 wt% Pd/SiO₂ catalyst. Copyright © 2016 BCREC GROUP. All rights reserved</p><p><em>Received: 7^th March 2016; Revised: 13^rd May 2016; Accepted: 7^th June 2016</em></p><p><strong>How to Cite:</strong> Fan, L., Zhang, L., Shen, Y., Liu, D., Wahab, N., Hasan, M.M. (2016). Liquid-phase Hydrogenation of Phenol to Cyclohexanone over Supported Palladium Catalysts. <em>Bulletin of Chemical Reaction Engineering &amp; Catalysis</em>, 11 (3): 354-362 (doi: 10.9767/bcrec.11.3.575.354-362)</p><p><strong>Permalink/DOI</strong>: <a href="http://doi.org/10.9767/bcrec.11.3.575.354-362">http://doi.org/10.9767/bcrec.11.3.575.354-362</a></p>

Целью статьи является разработка феноменологической математической модели формирования и роста фаз в части влияния температурной зависимости параметров диффузии на характер роста слоев в двухкомпонентной многофазной системе. Темой исследования является анализ влияния температурной зависимости параметров диффузии на изменение характера роста слоев в двухкомпонентных многофазных системах. Предложено решение задачи использования температурного режима процесса диффузии при разработке технологических процессов сварки, пайки, нанесении покрытий и других, при которых в диффузионной зоне образуются интерметаллические слои, карбиды, нитриды, субоксиды, фосфиды и т. п. с заданными и контролируемыми эксплуатационными характеристиками получаемых новых материалов, их соединений, покрытий и пр. Результаты решения задачи позволяют по известным параметрам температурного режима процесса диффузии, полученным при исследовании двухкомпонентной многофазной системы, целенаправленно контролировать динамику роста, состав образующихся в процессе диффузии слоев, и их выходные параметры в данной системе для получения новых материалов с заданными свойствами. REFERENCES Molokhina L. A., Rogalin V. E., Kaplunov I. A., Filin S. A. Mathematical model for the growth of phases in binary multiphase systems upon isothermic annealing. Russian Journal of Physical Chemistry A, 2017, v. 91(9), pp. 1635-1641. https://doi.org/10.7868/S0044453717090242 Molokhina L. A., Rogalin V. E., Kaplunov I. A., Filin S. A. Dependence of growth of the phases of multiphase binary systems on the diffusion parameters. Russian Journal of Physical Chemistry A, 2017, v. 91(12), pp. 2302–2309. https://doi.org/10.7868/S00444537171202143 Larikov L. N., Ryabov V. R., Fal’chenko V. M. 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Perovskite oxygen electrode degradation caused by cation segregation sets the limit of performance and lifetime of solid oxide fuel cells (SOFC) [1][2]. For the state-of-art perovskite oxygen electrode, (La0.6Sr0.4)0.95Co0.2Fe0.8O3-δ (LSCF), the commonly known degradation mechanism is through Sr segregation, which can be further poisoned by Cr and as well as by S impurities to form insulating layers, limiting the oxygen evolution reaction (ORR) [3][4]. In order to advance our understanding of Cr and S poisoning pathways on LSCF surfaces, we will combine ab initio density functional theory (DFT) reaction energetics, defect chemistry, and microkinetic modeling to establish a quantitative model to find the deposition reaction on different termination slabs. To predict the reaction mechanism and kinetics of Cr and S poisoning reactions, we will study CrO3 and SO2 molecules deposition pathways on pristine LSCF, and surface-modified (eg. Hf, Zr, Pr, Nd, Ce surface-doped) LSCF slabs. I will correlate adsorption energies with LSCF surface characteristics to explain the origin of the deposition, and use these characteristics to evaluate the effectiveness of the surface infiltration. Ab initio molecular dynamics (AIMD) will be applied at different ensembles to investigate further steps of the reaction, and show how the surface modification will inhibit poisoning reactions. These findings will help to guide the design of better performance and more durable oxygen electrodes for SOFCs. [1] Neagu, D., Tsekouras, G., Miller, D. N., Ménard, H., &amp; Irvine, J. T. (2013). In situ growth of nanoparticles through control of non-stoichiometry. Nature Chemistry, 5(11), 916–923. [2] Lee, K. T., &amp; Wachsman, E. D. (2014). Role of nanostructures on SOFC performance at reduced temperatures. MRS Bulletin, 39(9), 783–791. [3] Jiang, S. P., &amp; Chen, X. (2014). Chromium deposition and poisoning of cathodes of solid oxide fuel cells – a review. International Journal of Hydrogen Energy, 39(1), 505–531. [4] Chen, K., &amp; Jiang, S. P. (2020). Surface segregation in solid oxide cell oxygen electrodes: Phenomena, mitigation strategies and electrochemical properties. Electrochemical Energy Reviews, 3(4), 730–765.

Research suggests that child independence is more popular in countries with greater wealth and a higher percentage of the educated population. Various research implications expect children's independence and compliance to increase over time in developing countries. This study aims to describe the independence of early childhood who comes from low-income families or at low socioeconomic environment. Using quantitative descriptive, data collection techniques are carried out through a questionnaire. The study population was 30 respondents from the ECE institution who were included in the list of low-income families in 2018, using an area sampling technique. Overall, the teacher stated that all indicators of dependence on children from low-income families had reached the high category, which was 75%. The implication of further research is that aspects of independence in physical abilities, self-confidence, responsibility, discipline, sociability, sharing, and independence in terms of emotional control in early childhood can develop better in a low socio-economic environment. Keywords: Early Childhood, Independence skills, low-socioeconomic environment References [BPS] Badan Pusat Statistik. (2019). Berita resmi statistik. Bps.Go.Id. Amini, M. (2018). Parental Involvement in Improving Independence in Early Childhood. Advances in Social Science, Education and Humanities Research (ASSEHR), 169(Icece 2017), 190–192. https://doi.org/10.2991/icece-17.2018.48 Blair, C., & Diamond, A. (2008). Biological processes in prevention and intervention: The promotion of self-regulation as a means of preventing school failure. Development and Psychopathology, 20(3), 899–911. https://doi.org/10.1017/S0954579408000436 Blair, C., & Raver, C. C. (2015). School Readiness and Self-Regulation: A Developmental Psychobiological Approach. Annual Reviews Psychology, 3(66), 711–731. https://doi.org/10.1146/annurev-psych-010814-015221.School Bridgett, D. J., Burt, N. M., Edwards, E. S., & Deater-deckard, K. (2015). Supplemental Material for Intergenerational Transmission of Self-Regulation: A Multidisciplinary Review and Integrative Conceptual Framework. Psychological Bulletin, 141(3), 602–654. https://doi.org/10.1037/a0038662.supp Brophy-Herb, H. E., Stansbury, K., Bocknek, E., & Horodynski, M. A. (2012). Modeling maternal emotion-related socialization behaviors in a low-income sample: Relations with toddlers’ self-regulation. Early Childhood Research Quarterly, 27(3), 352–364. https://doi.org/10.1016/j.ecresq.2011.11.005 Buckner, J. C., Mezzacappa, E., & Beardslee, W. R. (2009). Self-Regulation and Its Relations to Adaptive Functioning in Low Income Youths. American Journal of Orthopsychiatry, 79(1), 19–30. https://doi.org/10.1037/a0014796 Charilaos, Z., Anastasia, C., Artemis, G., & Dimitrios, S. (2018). The Relationship Between Performance of Neuromuscular Junction and Social Skills (Co-Operation, Interaction, Independence). European Journal of Physical Education and Sport Science, 4(12), 1–20. https://doi.org/10.5281/zenodo.1455997 Cirino, P. T., Miciak, J., Gerst, E., Barnes, M. A., Vaughn, S., Child, A., Huston-Warren, E., Coelho, V., Cadima, J., Pinto, A. I., Guimarães, C., Dark-Freudeman, A., West, R. L., Eisenberg, N., Sulik, M. J., Huh, Y., Reigeluth, C. M., Kim, S., Holloway, S. D., … Cheah, C. S. L. (2018). Attachment and self-regulation. Personality and Social Psychology Bulletin,16(2), 450–467. https://doi.org/10.1177/0022219415618497 Eisenberg, N., Valiente, C., & Eggum, N. D. (2010). Self-regulation and school readiness. Early Education and Development, 21(5), 681–698. https://doi.org/10.1080/10409289.2010.497451 Ellis, B. 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Antonova, O. (2012). The essence of the concept of creativity: problems and searches. Theoretical and applied aspects of the development of creative education in higher educational establisjments: a monograph, edited by O.A. Dubasenyuk. Zhytomyr: I. Franko Publishing house, 14–41. (In Ukrainian) Batyuta, T., & Dychkivs’ka, I. (2001). Basics of the pedagogical innovation. Rivne: Rivne state humanistic university. (In Ukrainian) Dychkivs’ka, I. (2011). Basics of the pedagogical innovation. Rivne: Rivne state humanistic university. (In Ukrainian) Edens, D., Dy, H., Dalske, J., & Strain, C. (2015). Cognitive Skills Development Among Transfer College Students: An Analysis by Student Gender and Race. Journal of Education and Training, 2, 117-135. https://doi.org/10.5296/jet.v2i2.7227 Glazkova, I., Khatuntseva, S., & Yaroshchuk, L. (2020). Professional pedagogical culture. Historical culturological aspect. Romanian magazine for multidimensional education, 12(3), 144-161. https://doi.org/10.18662/rrem/12.3/314 Jackson, N. (2013). Developing Students' Creativity through a Higher Education. International Symposium on «Cultivation of Creativity in University Students», Macao Polytechnic Institute. https://acortar.link/Cp736f Khymynets’, V. (2009). Innovative educational activity. Ternopil: Mandrivets’. (In Ukrainian) Kurok, V., Tkachenko, N., Burchak, S., Kurok, R., & Burchak, L. (2022). Developing Intending Teachers’ Creativity in the Process of Their Professional Training in the Context of Educational Transformations. Romanian Magazine for Multidimensional Education, 14(1), 246-262. Lubart, T. (2010). Children’s creative potential: an empirical study of measurement issues. Learning and Individual Differences, 20, 388-392. Marieiev, D., Marieievа T., Yaroshevska, L., Kaminskyy, V., & Viesova, O. (2023). Modern Teacher Education in Ukraine and EU Countries: Transformation, Vectors of Development. Journal of Higher Education Theory and Practice, 23(5). https://doi.org/10.33423/jhetp.v23i5.5947 Nerubasska, A., & Maksymchuk, B. (2020). The Demarkation of creativity, talent and genius in humans: a systemic aspect. Postmodern openings, 11(2), 240-255. https://doi.org/10.18662/po/11.2/172 Novolokova, N. (2019). Encyclopedia of the pedagogical technologies and innovations. Kharkiv: Osnova. (In Ukrainian) Onyshchenko, I. (2016). Ways of forming the creative potential of the future primary school teacher in the process of the professional training. Pedagogical sciences: theory, history, innovative technologies, 7, 397-403. (In Ukrainian) Petrovych, O. (2014). Designing the creative educational environment based on the subject-subject interaction of the teacher and future language teachers. Scientific Bulletin of Bohdan Khmelnytsky Melitopol State Pedagogical University. Series: Pedagogy. Melitopol: MDPU, 311–315. (In Ukrainian) Stojanova, B. (2010). Development of creativity as a basic task of the modern educational system. Procedia Social and Behavioral Sciences, 2, pp. 3395-3400. https://doi.org/10.1016/j.sbspro.2010.03.522 Sydorenko, V., & Dmytrenko P. (2000). Basics of the scientific research. Kyiv: Publishing centre «DINIT”. (In Ukrainian)» Tan, K., Albakri, K., Lim, K., Fei, G., & Sang Long, C. (2018). Characteristics of Creative Students Versus Academic Performance. International Journal of Human Resource Studies, 8, 69. https://doi.org/10.5296/ijhrs.v8i2.12718 Tokman’ H. (2012). Methods of teaching Ukrainian literature in secondary school. K.: Academia. (In Ukrainian) Vaganova, O., Ilyashenko, L, Smirnova, Z., Bystrova, N., & Kaznacheeva, S. (2019). Students’ creative abilities development in higher educational institution. Amazonia Investiga, 8(22), 701-710. Retrieved from https://www.amazoniainvestiga.info/index.php/amazonia/article/view/822 Wen, L., Zhou, M., & Lu, Q. (2017). The influence of leader’s creativity on employees’ and team creativity: Role of identification with leader. Nankai Business Review International, 8(1), 22-38. Wu, H.Y., Wu, H.S., Chen, I.S., & Chen, H.C. (2014). Exploring the critical influential factors of creativity for college students: A multiple criteria decision-making approach. Thinking skills and creativity, 11(2014), 1-21.

Introduction. The influence of ultrasound parameters on the properties of processed lubricating oils and wear characteristics of friction pairs is a relevant problem in agricultural engineering. The paper presents a simple method for influencing on the lubricating oil by ultrasonic vibrations of the optimum frequency and power that results in reducing the wear of the interfaces of mechanisms and machines. The authors study the change in the physical characteristics of the oil during its ultrasound treatment and the assessment of their effect on the wear of a friction pair during long-term tests. Materials and Methods. We used a generator with variable signal parameters, a lever scale, a burette and an alcohol thermometer to assess the change in coefficient of surface tension of engine oil during sonication. Long-term tribotechnical tests were carried out on 2070 CMT-1M friction machine according to the “roller ‒ pad” scheme. The mass of these samples after long-term tests was weighed by Sartorius company analytical scales with a measurement accuracy of 0.00001 g. A profilograph-profilometer of Taylor Hobson Company was also used. Results. As a result of the research, the optimum frequency and power of ultrasound were revealed for lubricating oil processing. The decrease in the surface tension coefficient of oil was more than 5 %. With prolonged wear tests, the wear factor was reduced by 28 %. Conclusions. The effect of increasing the wear resistance of friction pairs when exposed to ultrasound oil is associated with a decrease in its surface tension coefficient, which allows the oil to be distributed with minimal effort over the surfaces with forming a film of sufficient thickness, which increases the bearing capacity of rubbing surfaces. Keywords: wear, surface tension coefficient, motor oil, tribotechnical test, ultrasound For citation: Simdiankin A. A., Davydkin A. M., Slyusarev M. N., Zemskov A. M. Evaluation of the Influence of Motor Oil Ultrasonic Processing on the Wear of Friction Pairs during Long-Term Wearing Tests. Vestnik Mordovskogo universiteta = Mordovia University Bulletin. 2018; 28(4):583–602. DOI: https://doi.org/10.15507/0236-2910.028.201804.583-602 Acknowledgments: The study was conducted with the financial support of the Ministry of Education and Science of the Russian Federation (state task, direction: development of competencies) project no. 11.3416.2017/4.6 “Development of technologies and tools to improve the durability of parts, assemblies, machines and equipment by creating nanostructured coatings sources of concentrated energy”.

The emancipation of Australian women in particular journalists and writers, who dedicated their lives to the development of culture of the fifth continent has been detected in this article. The goal of the article is to analyse the arrival of women – journalists, editors, publishers - in the print media and to determine their role in the formation and development of democracy and culture of the young state. As a result of the interdisciplinary research (combination of history, sociology, philology, culturology) new data on the role of women were obtained in the formation of democracy in Australia. This gives reason to affirm that this is the first study of this problem in Ukraine. New names of such outstanding Australian men – journalists, editors, publishers, writers as E.S. Hall, S. Bennet, H. Parks, G. Mott, C. Feilberg, W. Winn and women – L. Lawson, F. Baverstock, N. Palmer were introduced into scientific circulation. Significantly expanded and supplemented historical and cultural information about such outstanding women writers and journalists as M. Gilmore, E.F. Richardson, M. Franklin, K.S. Prichard, C. Stead, C. McCullough. Their life is investigated in the context of socio-historical development of Australia and world events that were reflected in their work. Great is their contribution to the antifascist struggle, to the defence of freedom and democratic values in Australia. The artistic value of the work of each of them is determined. The humanistic and realistic approach in creating their characters is clarified. It reflects the historical and socio-cultural development of Australia since the mid-XIX century to the 70-s of the XX century. It is proved that the history of periodicals and the development of literature on the fifth continent is the story of extraordinary talented women, in whose destinies the history of the development of the fourth power and the literature of Australia is reflected. The stages of The Bulletin magazine’s existence, the reasons for its closure and its influence on formation of Australian national literature are analysed. The practical value of the work lies in the fact that it brings new data to academic courses such as “The History of Australia”, “The Print Media of Australia”, “The Literature of Australia”. It is proved than women writers and journalists of Australia enriched Australian literature with bright original works and also made a significant contribution to its culture and democracy.

Исследованием термооксидирования фосфида индия под воздействием фосфата висмута, вводимого через газовую фазу, установлено ускоряющее воздействие фосфата висмута на процесс формирования пленок. Величина ускорения составляет от 1.5 до 2 раз, и максимальный прирост пленки достигается в первые 10 мин оксидирования. Определяющим процессом является образование фосфата индия за счет вторичного взаимодействия оксидных форм компонентов подложки, лимитируемое диффузией оксидов в твердой фазе. Методами инфракрасной спектроскопии, локального рентгеноспектрального микроанализа и рентгенофазового анализа установлен состав пленок на поверхности InP, основными компонентами которого являются различные фосфаты индия REFERENCES Wager J. F., Wilmsen C. W. Thermal oxidation of InP. Appl. Phys., 1980, v. 51(1), pp. 812–814. https://doi.org/10.1063/1.327302 Yamaguchi M., Ando K. Thermal oxidation of InP and properties of oxide fi lm. Appl. Phys., 1980, v. 5(9), pp. 5007–5012. https://doi.org/10.1063/1.3283803. Mittova I. Ya., Borzakova G. V., Terekhov V. A., Mittov O. N, Pshestanchik V. R., Kashkarov V. M. Growth of own oxide layers on indium phosphide. Izvestija AN SSSR. Serija Neorganicheskie Materialy [News of the Academy of Sciences of the USSR. Series Inorganic Materials], 1991, v. 27(10), pp. 2047–2051. (in Russ.) Mittova I. Ya., Borzakova G. V., Terekhov V. A., Mittov O. N, Pshestanchik V. R., Kashkarov V. M. Growth of own oxide layers on indium phosphide. Izvestija AN SSSR. Serija Neorganicheskie Materialy [News of the Academy of Sciences of the USSR. Series Inorganic Materials], 1991, v. 27(10), pp. 2047–2051. (in Russ.) Minaychev V. Ye. Naneseniye plonok v vakuume. [Film deposition in vacuum]. Moscow, Vyssh. Shkola Publ., 1989, 130 p. (in Russ.) Nikitin M. M. Tekhnologiya i oborudovaniye vakuumnogo napyleniya [Technology and equipment for vacuum deposition]. Moscow, Metallurgiya Publ., 1992, 112 p. (in Russ.) Veselov A. A., Veselov A. G., Vysotsky S. L., Dzhumaliyev A. S., Filimonov Yu. A. Magnetic properties of thermally deposited Fe/GaAs (100) thin fi lms. J Technical Physics, 2002, v. 47(8), pp. 1067–1070. https://doi.org/10.1134/1.1501694 Danilin B. S. Magnetronnyye raspylitel’nyye sistemy [Magnetron Spray Systems]. Moscow, Radio i svyaz’ Publ., 1982, 72 p. Pulver D., Wilmsen C.W. Thermal oxides of In0.5Ga0.5P and In0.5Al0.5P. Vac. Sci. Technol. B., 2001, v. 19(1), pp. 207–214. https://doi.org/10.1116/1.1342008 Punkkinen M. P. J., Laukkanen P., Lеng J., Kuzmin M., Tuominen M., Tuominen V., Dahl J., Pessa M., Guina M., Kokko K., Sadowski J., Johansson B., Väyrynen I. J., Vitos L. Oxidized In-containing III–V(100) surfaces: Formation of crystalline oxide fi lms and semiconductor-oxide interfaces. Physical review, 2011, v. 83(19), pp. 195–329. https://doi.org/10.1103/Phys-RevB.83.195329 Sladkopevtsev B. V., Tomina E. V., Mittova I. Ya., Dontsov A. I., Pelipenko D. I. On the thermal oxidation of VxOy–InP heterostructures formed by the centrifugation of vanadium (V) oxide gel. Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques, 2016, v. 10(2), pp. 335–340. https://doi.org/10.1134/S102745101602018X Ningyi Y. Comparison of VO2 thin fi lms prepared by inorganic sol-gel and IBED methods. Appl. Phys. A., 2003, v. 78. pp. 777–780. https://doi.org/10.1007/s00339-002-2057-5 Herman M. A., Sitter H. Epitaxy: Fundamentals and Current Status. Heidelberg, Springer Science & Business Media, 2013, 382 p. Manijeh R. The MOCVD Challenge: A survey of GaInAsP–InP and GaInAsP–GaAs for photonic and electronic device applications. Boca Raton, CRC Press, 2010, 799 p. https://doi.org/10.1201/9781439807002 Mittova Ya. Multichannel reactions in chemostimulated oxidation of semiconductors – transit, conjugation, catalysis. Vestnik VGU. Serija: Himija, biologija [Bulletin of the VSU. Series: Chemistry, Biology], 2000, 2, pp. 5–12. (in Russ.) Mittova Ya. Infl uence of the physicochemical nature of chemical stimulators and the way they are introduced into a system on the mechanism of the thermal oxidation of GaAs and InP. Inorganic Materials, 2014, V. 50(9), pp. 874–881. https://doi.org/10.1134/S0020168514090088. Brauer G. A. Rukovodstvo po neorganicheskomu sintezu [Inorganic Synthesis Guide]. Moscow, Khimiya Publ., 1985, 360 с. (in Russ.) Nakamoto K. Infared and Raman Spectra of Inorganic and Coordination Compounds. New York, John Wiley & Sons Ltd, 1986, 335 p. Atlas IK-spektrov fosfatov [Atlas IR spectra of phosphates]. by R.YA. Mel’nikovoy. Moscow, Nauka Publ., 1985, 235 p. (in Russ.) Brandon D., Kaplan W. Microstructural Characterization of Materials. 2nd Edition, John Wiley & Sons Ltd, 2008, 536 p. https://doi.org/10.1002/9780470727133 International Center for Diffraction Data. 21. X-ray diffraction date cards, ASTM. X-ray diffraction date cards, ASTM. Kazenas B.K. Termodinamika ispareniya dvoynykh oksidov. [Thermodynamics of double oxide evaporation]. Мoscow, Nauka Publ., 2004, 551 p. (in Russ.)

Методом центрифугирования сформированы пленки наноразмерного диапазона толщины (лазерная, спектральная эллипсометрия) системы Y2O3–Fe2O3 на монокристаллическом InP из нитратного раствора. Состав пленок, выращенных без отжига - YFe2O4; отожженных термически при 200 °С – YFe2O4, Fe2O3 с примесью Fe3O4; прошедших импульсную фотонную обработку (50 Дж/см2, 0.4 с) и термооксидирование (450–550 °С, время 10–60 мин) – YFe2O4 и YFeO3. Отжиг с последующим термооксидированием способствует уменьшению размера зерен на поверхности выращенной пленки, но увеличивает среднюю шероховатость. Импульсная фотонная обработка обусловливает повышенную неровность поверхности гетероструктуры. ИСТОЧНИК ФИНАНСИРОВАНИЯРабота выполнена при поддержке грантаРФФИ №18-03-00354 а. REFERENCES Zvezdin A. K., Logginov A. S., Meshkov G. A., Pyatakov A. P. Multiferroics: Promising materials for microelectronics, spintronics, and sensor technique. Bulletin of the Russian Academy of Sciences: Physics, 2007, v. 71(11), pp. 1561−1562. https://doi.org/10.3103/S1062873807110263 Fahlman B. Materials Chemistry. Springer Netherlands, 2011, 736 p. DOI: 10.1007/978-94-007-0693-4 Gubin S. P., Koksharov Yu. A., Khomutov G. B., Yurkov G. Yu. Magnetic nanoparticles: preparation, structure and properties. Russian Chemical Reviews, 2005, v. 74 (6), pp. 489–520. https://doi.org/10.1070/RC2005v074n06ABEH000897 Shabanova N. A., Popov V. V., Sarkisov P. D. Khimiya i tekhnologiya nanodispersnykh oksidov [Chemistry and technology of nanodispersed oxides]. M.: IKC Akademkniga Publ., 2007, 309 p. (in Russ.). Lima H. R. B. R., Nascimento D. S., Sussuchi E. M., Errico F. D., Souza S. O. Synthesis of MgB4O7 and Li2B4O7 crystals by proteic sol-gel and Pechini methods. Journal of Sol-gel Science and Technology, 2017, v. 81(3), pp. 797−805. https://doi.org/10.1007/s10971-016-4249-z Serrao C. R., Sahu J. R., Athinarayanan S., Rao C. N. R. Magnetoelectric effect in rare earth ferrites, LnFe2O4. Journal of Applied Physics, 2008, v. 104(1), p. 16102. https://doi.org/10.1063/1.2946455 Xu C., Yang Y., Wang S., Duan W., Gu B., Bellaiche L. Anomalous properties of hexagonal rare-earth ferrites from fi rst principles. Physical Review B, 2014, v. 89(20), p. 205122. https://doi.org/10.1103/Phys-RevB.89.205122 Mahalakshmi S., SrinivasaManja K., Nithiyanantham S. Electrical properties of nanophase ferrites doped with rare earth ions. Journal of Superconductivity and Novel Magnetism, 2014, v. 27(9), pp. 2083–2088. https://doi.org/10.1007/s10948-014-2551-y Sanchez-Andujar M., Mira J., Rivas J. Enhanced magnetoresistance in the ruddlesden−popper compound Sr3Fe1.5Co0.5O6.67. Journal of Magnetism and Magnetic Material, 2003, v. 263(3), pp. 282−288. https://doi.org/10.1016/S0304-8853(02)01576-7 Khomskii D. I. Multiferroics: Different ways to combine magnetism and ferroelectricity. Journal of Magnetism and Magnetic Material, 2006, v. 306(1), pp. 1−8. https://doi.org/10.1016/j.jmmm.2006.01.238 Patel R., Simon C., Weller M. LnSrScO4 (Ln = La, Ce, Pr, Nd and Sm) systems and structure correlations for A2BO4 (K2NiF4) structure types. Journal of Solid State Chemistry, 2007, v. 180, pp. 349−359. https://doi.org/10.1134/S0036023615100162 Popkov V. I., Almjasheva O. V., Schmidt M. P., Gusarov V. V. Formation mechanism of nanocrystalline yttrium orthoferrite under heat treatment of the coprecipitated hydroxides. Russian Journal of General Chemistry, 2015, v. 85(6), pp. 1370−1375. https://doi.org/10.1134/S0036023615100162 Popkov V. I., Izotova S. G., Almjasheva O. V., Schmidt M. P., Gusarov V. V. Features of nanosized YFeO3 formation under heat treatment of glycinenitrate combustion products. Russian Journal of Inorganic Chemistry, 2015, v. 60(10), pp. 1193−1198. https://doi.org/10.1134/S0036023615100162 Chithralekha P., Murugeswari C., Ramachandran K., Srinivasan R. The study on ultrasonic velocities of CoxFe3-xO4 nanoferrofl uid prepared by co-precipitation method. Nanosystems: Physics, Chemistry, Mathematics, 2016, v. 7(3), pp. 558–560. https://doi.org/10.17586/2220-8054-2016-7-3-558-560 Nguyen A. T., Phan Ph. Nh, Mittova I. Ya., Knurorova M. V., Mittova V. O. The characterization of nanosized ZnFe2O4 material prepared by coprecipitation. Nanosystems: Physics, Chemistry, Mathematics, 2016, v. 7(3), pp. 459–463. https://doi.org/10.17586/2220-8054-2016-7-3-459-463 Lomanova N. A., Ugolkov V. L., Gusarov V. V. Thermal behavior of layered perovskite-like compounds in the Bi4Ti3O12-BiFeO3 system. Glass Physics and Chemistry, 2007, v. 33(6), pp. 608−612. https://doi.org/10.1134/S1087659607060120 Nguyen A. T., Almjasheva O. V., Mittova I. Ya., Stognei O. V., Soldatenko S. A. Synthesis and magnetic properties of YFeO3 nanocrystals. Inorganic Materials, 2009, v. 45(11), pp. 1392–1397. https://doi.org/10.1134/S002016850 Perrot P. Iron–Oxygen–Yttrium. 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Background. The problem of the origin of the Glagolitic alphabet, its origins and the first years of Slavic writing can rightly be called the “cursed question” (questio dia-bolica – B. Uspensky) of Slavic studies, as attempts to connect the Glagolitic alphabet with any of the existing alphabets did not lead to any convincing results. Until now, the only relevant ideas of P. Shafarik remain, expressed about 150 years ago. Purpose. The aim of the article is to systematize and analyze historical and modern ideas (from the 90s to the present day), which are expressed by researchers regarding the longer antiquity of the Glagolitic alphabet. Results. The authors consider the development of P. Shafarik’s ideas at the pre-sent stage of development of East Slavic paleolinguistics. Materials about the origins of Slavic writing, which have accumulated in science, do not facilitate the solution of ques-tions about: 1) which of the two Slavic alphabets was created and / or improved by Constantine the Philosopher, 2) how and when another Slavic alphabet appeared, and 3) how the Slavic script developed in the post -Constantine period. In this context, as the authors show, all the hypotheses and ideas of modern researchers in one way or another develop the arguments of the hypothesis of PY Shafarik and do not go beyond it. Keywords: Slavonic writing, Cyrillic, Glagolitic, P. Shafarik’s hypothesis. Cristiano, Diddi, 2015. In the footsteps of Glagolitic protographers of Pannonian leg-ends: Methodological notes on the critique of variants. ΠΟΛΥΙΣΤΩΡ. Scripta slavica Mar-io Capaldo dicata. Moskow, Indrik, рp. 80–98. (In Russian) Dodonov, I. Yu., 2008. The origins of Slavic writing. Moskow: Veche. Avialable at: http://www.libma.ru/istorija/istoki_slavjanskoi_pismennosti). [Accessed 22.08.2021] (In Russian) Glazunova, O. I. On the countable value of the Glagolitic alphabet. Avialable at: https://cyberleninka.ru/article/n/o- schetnom-znachenii- glagolitsy). [Accessed 22.08.2021] (In Russian) Granstrom, E., 1985. On the origin of the Glagolitic alphabet. Proceedings of the De-partment of Ancient Russian Literature IRLI AN SSSR, 11. Leningrad, s.300–313. (In Russian) Hakobyan, Ruben, 2018. An Attempt to Reveal the Prototype of the Glagolitic Letters, Based on a Comparative Analysis with the Cyrillic Letters and the Signs of the Middle East. Scripts Scientific almanac, 12. Pskov: Pskov State University, рp. 30–58. (In Rus-sian) Horalek, K., 1971. The need for a new Glagolitic compendium. Slovo, 21, рp.359–363. (In Czech) Ivanova, T., 2004. Glagolitic: new hypotheses (several critical remarks about new re-search on the first Slavic alphabet. Proceedings of the Department of Old Russian Litera-ture (Pushkin House) RAS, pp.78–93. (In Russian) Karpenko, L., 1999. Glagolitic — Slavic sacred alphabet (semiotic analysis in the context of the Bible). Samara: PH of the Samara Humanitarian Academy. (In Russian) Karpenko, L., 2000. Glagolitic as a semiotic system: Doctoral thesis abstract, p.90. (In Russian) Karpenko, L., 2010. Cyril glagolitic alphabet. About the roots of the Slavic spirituali-ty. Bulletin of polessky state university. Series in social sciences and humanities, 1, рp.69–78. (In Russian) Kiparsky, B., 1968. On the origin of the Glagolitic alphabet. Clement Ohridsky. Mate-rial z negovot cheztvuvane po sluchai 1050 godini smerta mu. Sofia, 1968, рp.91–92. (In Russian) Kuznetsov, Anatoly, 2012. The Greek letter Y ψιλόν and Glagolitic Alphabet . Slavisti-ca Vilnensis. Kalbotyra, 57(2), рp.7–14. (In Russian). Mozhaeva, I. Ye., 1980. Bibliography on Cyril and Methodius problems 1945–1974. Moscow, 1980. (In Russian) Prokhorov, G., 1992. Glagolitic alphabet among missionary alphabets. Proceedings of the Department of Old Russian Literature, 45. SPb, рp.178–199. (In Russian) Rudelev, V. G., 2001. Once again on the Old Slavic letters. Bulletin of Tver State Uni-versity. Humanitarian sciences, 2 (22). рp.58–67. (In Russian) Savelyeva, L. V., 1993. Sacral meaning of the Slavic alphabet: Parting words of the First Teacher of the Slavs, 3. North Petrozavodsk, рp.152–158. (In Russian) Selishchev, A. M., 1951. Old Slavonic language: Part I. p.333. (In Russian) Selishchev, A. M., 2020. Old Church Slavonic. Ed. stereotype. URSS. (In Russian) Shafarik, P. Y., 1861. About the origin and homeland of Glagolism. Moscow. (In Rus-sian) Shchepkin, V. N., 1967. Russian paleography. Moscow: Science. (In Russian) Sobolev, A. N., 2021. Slavic alphabets. Part 3: From Glagolitic to Cyrillic. https://www.youtube.com/w Šafárik o staroslovienčine a cirkevnej slovančine. atch?v=y_Py_W9ZL7s&ab). [Accessed 22.08.2021] Starovoyt, Yu. L., 2017. Scientific approach to the origin of the Cyrillic alphabet. Ma-terialy XLVI naukovo-tekhnichnoyi konferentsiyi pidrozdiliv VNTU. Vinnytsya, 22–24 be-reznya 2017 r. Avialable at: https://conferences.vntu.edu.ua/index.php/all— hum/all— hum— 2017/paper/view/2328. [Accessed 22.08.2021 (In Ukrainian) Štec, M., 1996. Šafárik on Old Slavonic and Church Slavonic. In: Pavol Jozef Šafárik a slavistika. Zborník príspevkov z vedeckej konferencie a dokumentov z osláv 200. výročia narodenia P. J. Šafárika. Acta facultatis philosophicae universitatis šafarikianae Literárný zborník 12/ Jazykovedný zborník 13. Historický zborník 5 (AFPh UŠ 79). Filozofická fakulta. UPJŠ. Prešov. Matica slovenská. Martin, s.291–295.(In Slovak) Stepanov, Yu. S. and Proskurin, S.G., 1993. Constants of world culture. Alphabets and alphabetic texts during periods of dual faith. Moscow: The science. 158 p. (In Russian) Toporov, V., 1998. Prehistory of Literature among the Slavs: The Experience of Re-construction: An Introduction to the Course of the History of Slavic Literatures. Moscow. (In Russian) Tschernochvostoff, 1995. Zum Ursprung der Glagolica. Studia Slavica Finlandensia, 12, pp.141–150). (In German) Uspenskij, B., 2013. Glagolitic Script as a Manifestation of Sacred Knowledge. Studia Slavistici, X. Firenze University Press, pp.7–27 (online). [Accessed 22.08.2021 (In English) Uspensky, B., 2005. On the origin of the Glagolitic alphabet. Voprosy Jazykoznanija (Topics in the study of language), 1. рp.63–77. (In Russian) Vinke, Fr., 1996. On the origin and structure of the Glagolitic alphabet. Literary studies, 3. Moscow, рp.115–127. (In Russian) Yusyp-Yakymovich, Yu. and Shimko, O., 2009. Old Slavonic language. Modular course. Navchalnyi posibnyk. Kyiv. (In Ukrainian)

e4261115Collaborative work presents itself as a response to individualism, historically marked in the culture of school institutions. The article analyzes the modes of collaboration that constitute the professional learning communities, their relations with the school culture and with the process of novice teacher’s insertion. The forms of interaction among teachers in the workplace described as collaborative do not always express goals, common actions and broader decisions that involve the improvement of practices, knowledge and concepts that result in the quality of teaching and management. The school institution needs to take a stand in relation to these decisions and create conditions so that new forms of collaboration can benefit the teacher pedagogical work.The characteristics and dimensions of collaborative groups constituted as learning communities are explored based on criteria presented in literature, in the perspective of ensuring teacher’s learning and professional development. The analysis of a collaborative learning pedagogical experience in the scope of teacher research and the university-school relationship is presented as an enhancer for reflection, for questioning beliefs and values, as well as for problematizing the didactic choices that will guide teachers practice in the classroom.ResumoO trabalho colaborativo se apresenta como resposta ao individualismo marcado historicamente na cultura das instituições escolares. O artigo analisa os modos de colaboração que constituem as comunidades de aprendizagem profissional, suas relações com a cultura da escola e com o processo de inserção de professores iniciantes. As formas de interação entre docentes nos locais de trabalho e descritas como colaboração nem sempre expressam metas, ações comuns e decisões mais amplas que envolvem a melhoria das práticas, dos conhecimentos e das concepções e que resultem na qualidade da docência e da gestão. A instituição escolar precisa se posicionar em relação a essas decisões e criar condições para que novas formas de colaboração beneficiem o trabalho pedagógico do professor. As características e dimensões dos grupos colaborativos constituídos como comunidades de aprendizagem são exploradas a partir de critérios apresentados pela literatura na perspectiva de assegurar a aprendizagem e o desenvolvimento profissional dos professores em inserção profissional. A análise de uma experiência pedagógica de aprendizagem colaborativa no âmbito da pesquisa de professores e da relação universidade-escola é apresentada como potencializadora da reflexão, do questionamento de crenças e valores, assim como da problematização das escolhas didáticas que orientarão a prática de professores na sala de aula.Palavras-chave: Comunidades de aprendizagem, Grupos colaborativos, Cultura da escola, Inserção profissional.Keywords: Learning communities, Collaborative groups, School culture, Professional insertion.ReferencesANDRADE, M. F. R. de; APARICIO, A. S. M. A construção colaborativa de sequências didáticas de gêneros textuais: uma estratégia inovadora de formação docente. in: ANDRÉ, M.A.D.A. de. (org.). Práticas inovadoras na formação de professores. Campinas (SP): Papirus, 2016.CALVO, G. Desarrollo professional docente: el aprendizage professional colaborativo. In: Temas críticos para formular nuevas políticas docentes em América Latina y el Caribe: el debate atual. Chile: Unesco, 2014.CRISTÓVÃO, V.L.L. A relação entre teoria e prática no desenvolvimento do professor. In: MAGALHÃES, M. C. C. A formação do professor como um profissional crítico: linguagem e reflexão. 2 ed. Campinas – SP: Mercado de Letras, pp. 179-198, 2009.DOLZ J.; NOVERRAZ, M.; SCHNEUWLY, B. Sequências didáticas para o oral e a escrita: apresentação de um procedimento. In: SCHNEULWY, B; DOLZ, J. et al. Gêneros orais e escritos na escola. Campinas: Mercado de Letras, 2004.FERREIRA, F.I.; FLORES, M.A. Repensar o sentido de comunidade de aprendizagem: contributos para uma concepção democrática e emancipatória In: Currículo e Comunidades de Aprendizagem – desafios e perspectivas. Santo Tirso: De Facto Editores, 2012.FIORENTINI, D.; CRECCI, V. Interlocuções com Marilyn Cochran-Smith sobre aprendizagem e pesquisa do professor em comunidades investigativas. Revista Brasileira de Educação, v. 21, n. 65, abr.-jun. 2016.FULLAN, N.; HARGREAVES A. Por que é que vale a pena lutar?. Porto: Porto Editora, 2001.GAMA, R. P.; FIORENTINI. D. Formação continuada em grupos colaborativos: professores de matemática iniciantes e as aprendizagens da prática profissional. Educ. Matem. Pesq., São Paulo, v.11, n.2, pp.441-461, 2009.IMBERNÓN, F. Formação Permanente do Professorado: novas tendências. São Paulo: Cortez, 2009.LIMA, J.A. As culturas colaborativas nas escolas – Estruturas, processos e conteúdos. Porto: Porto Editora, 2002.LIMA, J.A. Comunidades profissionais nas escolas: o que são e o que não são In: FLORES, M.A.; FERREIRA, F.I. Currículo e Comunidades de Aprendizagem – desafios e perspectivas. Santo Tirso: De Facto Editores, 2012.LOSANO, A. L. Aprendizagem e desenvolvimento profissional de professores iniciantes que participam de comunidades investigativas. Zetetiké, Campinas, SP, v.26, p.441-463, n.3, set./dez.2018.MARCELO GARCÍA, C. Formação de professores: para uma mudança educativa. Portugal: Porto Editora, 1999.MIZUKAMI, M. G. N. Escola e desenvolvimento profissional da docência. Escola e aprendizagem da docência: processos de investigação e formação. São Carlos: EduFSCar, 2003.MONTALVÃO, E. C. O desenvolvimento profissional de professoras iniciantes mediante um grupo colaborativo de trabalho. 2008. 230f. Tese de doutorado em Ciências Humanas. Universidade Federal de São Carlos, São Carlos, 2008.MORGADO, J.M. Currículo e Profissionalidade Docente. Portugal: Porto Editora, 2005.MUNTHE, E. Recognisin uncertainty and risk in the development of teachers’learning communities. In: ZELLERMAYER, M.; MUNTHE E. Teacher’s Learning in Communities International Perspectives. Rotterdam: Sense Publishers, 2007.PASSOS, L.F.; ANDRÉ, M. O trabalho colaborativo, um campo de estudo. In: ALMEIDA, L.R.; PLACCO, V.M.N. O coordenador pedagógico e o trabalho colaborativo na escola. São Paulo: Edições Loyola, 2016.PÉREZ-GÓMES, A.I. A cultura escolar na sociedade neoliberal. Porto Alegre: ArtMed, 2001.ROLDÃO, M.C. Colaborar é preciso – questões de eficácia e qualidade no trabalho dos professores. Noesis, n.71, p. 24-29, 2007.ROSENHOLTZ, S. Teachers Workplace: The Social Organization of Schools. Nova York: Longman, 1989.THURLER, M. G. Inovar no interior da escola. Porto Alegre: Artmed, 2001.TRICE, H.; BEYER, J.M. The culture of Work Organizations. Englewood Cliffs, NJ: Prentice-Hall, 1993.VAILLANT, D. Directivos y comunidades de aprendizagem docente: um campo em construcción. Revista Eletrônica de Educação. v. 13, n.1, p. 87-106, jan./abr. 2019.VYGOTSKY, L.S. A formação social da mente. 6. Ed. São Paulo: Martins Fontes, 1998.WONG, H.K. Induction Programs that Keep New Teachers Teaching and Improving. NASSP Bulletin, v.88, n.638, p.41-58, March, 2004.

Introduction. Organic solvents have a hematotoxic effect, which leads to the development of anemia. Endometrial hyperplasia may also be the cause of a decrease in blood hemoglobin levels. The phenotype of anemia in combination of these diseases is still insufficiently studied. Exposure to organic solvents is associated with a carcinogenic risk, while their role in the development of precancerous conditions is little known. The study aims to research the features of anemia in patients with endometrial hyperplasia under the influence of organic solvents and depending on the obesity factor. Materials and methods. The design of the study is a single–center, single-stage observational. The researchers formed 2 groups of women with endometrial hyperplasia confirmed by histological examination, who worked under conditions of exposure to organic solvents (n=140, the main group, 70 of them obese according to WHO criteria) or who had no health risks (n=140, the comparison group, 68 of them obese). The patients of the main group are painters at a machine-building enterprise. Organic solvents concentrations at the workplace air were 1.2–5.0 times above occupational exposure limits, length of service was 21.5 (18; 28) years. Results. Scientists have registered anemia in 72.9% of obese workers, 54.2% of non-obese workers, 33.8% and 25.0% of patients in the comparison group with obesity and normal body weight, respectively, χ2=8.2, p=0.008. In contact with organic solvents, 60.7% of patients had anemia normal- or macrocytic, normal- or hyperchromic, hyporegenerative. In the subgroup of obesity and atypical endometrial hyperplasia, we have watched the minimum values of hemoglobin — 95 (90; 105) g/l and reticulocytes — 1 (0.5; 2), the maximum values of the average erythrocyte volume — 98 (92; 107) fl and the average hemoglobin content in the erythrocyte — 35(34; 38) pg. The researchers have determined the association of this variant of anemia with atypical endometrial hyperplasia by logistic regression, OR 2.51, 95% CI 1.08–5.85, p=0.033. In comparison group, all patients had iron-deficiency anemia. Limitations. The limitations of the study are related to the recruitment of patients in one center. Conclusion. Anemia in women with endometrial hyperplasia in conditions of organic solvents exposure is normo- or hyperchormic, normo- or macrocytic, hyporegenerative, most prominent in patients with obesity, and associated with atypical histological type of the disease. Ethics. The authors have carried out the study in compliance with the Ethical principles of conducting scientific medical research with human participation, set out in the Helsinki Declaration of the World Medical Association and in accordance with the Ethical norms and rules provided for by the Bulletin of the Higher Attestation Commission of the Ministry of Education of Russia No. 3 of 2002 "On the procedure for conducting biomedical research in humans". The study was approved by the Ethics Committee of the Federal State Budgetary Educational Institution of the Russian Ministry of Health.

More than 100 million confirmed accidents and more than 2 million deaths - this is the summary of СOVID-19 in mid-2021 when the whole world is experiencing the worst twilight of the pandemic. At the same time, the WHO European Regional Office considers this period to be the tipping point of the pandemic, linking it to the beginning of mass vaccination and the accumulated experience in the diagnosis and treatment of COVID-19 and its consequences, Despite the emergence of new mutations of the virus, the presence of prolonged forms of the disease (long-COVID, or post-COVID syndrome) (World Health Organization. Statement by Dr. Hans Henri P. Kluge, WHO Regional Director for Europe. Copenhagen, 7 January 2021). Apart from psychotic disorders of infectious origin in СOVID-19 (mental confusion, psychomotor agitation, delirious, hallucinatory, beacon-like, and affective disorders), non-productive changes in consciousness may develop, post-traumatic stress disorder (PTSD), non-psychotic asthenic states, depression, hypochondriacally disorders, sleep disorders, autonomic manifestations, cognitive deficit disorder, secondary encephalopathy, organ disorders (Kumar S., et al., 2021; Einvik G, et al., 2021). The prevalence of infectious psychosis has a pronounced tendency to decrease, while non-psychotic and cognitive deficit disorders after COVID-19 occur more frequently (Hampshire A., et al., 2020). At this time, the rate of depression and anxiety disorders due to the influence of coronavirus infection is significantly higher than in previous years (McCracken L.M., et al., 2020; Kujawa A., et al., 2020). Among the predictors of their development under pandemic conditions are COVID-19 symptoms, history of somatic disorders, oncological diseases, interim measures, and financial losses. A major stressor effect of the COVID-19 pandemic can provoke nosocomial depression in COVID-19 postinfectious cancer patients, a complication in the course of postinfectious depression, and an exacerbation of depression in patients with an infectious disorder in their medical history (Petelin D.S, 2018; Dorozhenok I.Yu., 2021). Depression invariably attracts the attention of physicians. The main reasons for this are its widespread and widespread manifestations and variants of disorder that affect a significant number of people of different stature, age, social groups, and cultures. Women suffer from depression more often than men. According to the World Health Organization, more than 350 million people in the world suffer from depression (World Health Organization. Depression., 2018). The prevalence of depression in cancer is significantly higher than in the general population and, according to physicians, ranges from 33 to 42% (Otroshchenko N. P., et al., 2019). Symptoms of depression are diagnosed in every fourth oncologic patient and occur more frequently in the later stages of the disease. Unfortunately, these patients do not often come into the psychiatrist's field of vision, because, considering the specifics of the disease, they are under the care of oncologists, and they turn to psychiatrists only in cases of major depression or suicidal attempts. High rates of depression (23%) are diagnosed with the most common forms of gynecologic cancer, cervical cancer, and uterine cancer (Arnaboldy P., et al., 2016; Bulletin of the National Cancer Registry N 20 - Cancer in Ukraine, 2017-2018; Petelin D.S., 2018; Otroshchenko N. P., et al., 2019). Comorbidity of oncologic diseases and coronavirus disease causes the risk of serious complications of these viral infections and requires the development and implementation of medical, social, and other protection measures for cancer patients, as well as for patients who have had cancer or other diseases and diseases that impair the function of the immune system (Tian, Y., et al., 2021). Therefore, the relevance of the study of post-covid depression (Hampshire A., et al., 2020; Kumar S., et al., 2021), including in patients with cancer (Tian, Y., et al, 2021), is due to the significant number of cervical and uterine cancer patients, comorbidity, lack of early effective diagnosis, psychological and psychiatric support, late call for help, the tendency to chronicity, and risk of self-harm (Arnaboldy P., et al., 2016; Petelin D.S., 2018; Otroshchenko N. P., et al., 2019).

In this study, cobalt-zinc ferrite (Co0.5Zn0.5Fe2O4) was obtained by the glycine-nitrate method followed by annealing in a high-temperature furnace at a temperature of 1300 °С. The qualitative composition and its microstructural characteristics were determined using energy-dispersive X-ray spectroscopy, X-ray diffraction analysis, and scanning electron microscopy.The analysis of the micrographs demonstrated that the cobalt-zinc ferrite micropowder obtained after thermal annealing has an average particle size of 1.7±1 μm. The analysis of XRD data showed that the annealed cobalt-zinc ferrite micropowder has a cubic crystal structure with a lattice parameter of a = 8.415 Å. Using the Scherrer and Williamson-Hall equations we calculated the average sizes of the coherent scattering regions, which were commensurate with the size of crystallites: according to the Scherrer equation D = 28.26 nm and according to the Williamson-Hall equation D = 33.59 nm and the microstress value e = 5.62×10–4 in the ferrite structure.Using a vector network analyser, the electromagnetic properties of a composite material based on synthesized cobalt-zinc ferrite were determined. The frequency dependences of the magnetic and dielectric permeability values from the measured S-parameters of the composite material (50% ferrite filler by weight and 50% paraffin) were determined using the Nicolson-Ross-Weir method and were in the range of 0.015–7 GHz. The analysis of the graphs of the dependence of the magnetic permeability on the frequency of electromagnetic radiation revealed a resonance frequency of fr ≈ 2.3 GHz. The discoveredmagnetic resonance in the UHF range allows the obtained material to be considered as being promising for use as an effective absorber of electromagnetic radiation in the range of 2–2.5 GHz. References 1. Thakur P., Chahar D., Taneja S., Bhalla N. andThakur A. A review on MnZn ferrites: Synthesis,characterization and applications. CeramicsInternational. 2020;46(10): 15740–15763. DOI: https://doi.org/10.1016/j.ceramint.2020.03.2872. Pullar R. C. Hexagonal ferrites: A review of thesynthesis, properties and applications of hexaferriteceramics. Progress in Materials Science. 2012;57(7):1191–1334. DOI: https://doi.org/10.1016/j.pmatsci.2012.04.0013. Kharisov B. I., Dias H. V. R., Kharissova O. V.Mini-review: Ferrite nanoparticles in the catalysis.Arabian Journal of Chemistry. 2019;12(7): 1234–1246.DOI: https://doi.org/10.1016/j.arabjc.2014.10.0494. Stergiou C. Microstructure and electromagneticproperties of Ni-Zn-Co ferrite up to 20 GHz. 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DOI: https://doi.org/10.5772/intechopen.7865416. Costa A. C. F. M., Morelli M. R., KiminamiR. H. G. A. Combustion synthesis: Effect of urea onthe reaction and characteristics of Ni–Zn ferritepowders. Journal of Materials Synthesis and Processing.2001; 9(6): 347–352. DOI: https://doi.org/10.1023/A:101635662340117. Maleknejad Z., Gheisari K., Raouf A. H.Structure, microstructure, magnetic, electromagnetic,and dielectric properties of nanostructured Mn–Znferrite synthesized by microwave-induced urea–nitrate process. Journal of Superconductivity and NovelMagnetism. 2016;29(10): 2523–2534. DOI: https://doi.org/10.1007/s10948-016-3572-518. Jalaiah K., Chandra Mouli K., Vijaya Babu K.,Krishnaiah R.V. The structural, DC resistivity andmagnetic properties of Mg and Zr Co-substitutedNi0.5Zn0.5Fe2O4. Journal of Science: Advanced Materialsand Devices. 2018;4(2): 310–318 DOI: https://doi.org/10.1016/j.jsamd.2018.12.00419. Yue Z., Zhou J., Li L., Zhang H., Gui Z. Synthesisof nanocrystalline NiCuZn ferrite powders by sol–gelauto-combustion method. Journal of Magnetism andMagnetic Materials. 2000;208(1-2): 55–60. DOI:https://doi.org/10.1016/s0304-8853(99)00566-120. Chick L. A., Pederson L. R., Maupin G. D.,Bates J. L., Thomas L. E., Exarhos G. J. Glycine-nitratecombustion synthesis of oxide ceramic powders.Materials Letters. 1990;10(1-2): 6–12. DOI: https://doi.org/10.1016/0167-577x(90)90003-521. Salunkhe A. B., Khot V. M., Phadatare M. R.,Pawar S. H. Combustion synthesis of cobalt ferritenanoparticles—Influence of fuel to oxidizer ratio.Journal of Alloys and Compounds. 2012;514: 91–96.DOI: https://doi.org/10.1016/j.jallcom.2011.10.09422. Martinson K. D., Cherepkova I. A., Sokolov V. V.Formation of cobalt ferrite nanoparticles via glycine-nitrate combustion and their magnetic properties.Glass Physics and Chemistry. 2018;44(1): 21–25.DOI: https://doi.org/10.1134/s108765961801009123. Kuzmin V. A., Zagrai I. A. 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Ferrimagnetic nanoparticles are used in biotechnology (as drug carriers, biosensors, elements of diagnostic sets, contrast agents for magnetic resonance imaging), catalysis, electronics, and for the production of magnetic fluids and magnetorheological suspensions, etc. The use of magnetic nanoparticles requires enhanced magnetic characteristics, in particular, high saturation magnetisation.The aim of our study was to obtain single-phased magnetic nanoparticles of MnxFe3–xO4 solid solutions at room temperature. We also studied the dependence of the changes in their structure, morphology, and magnetic properties on the degree of substitution in order to determine the range of the compounds with the highest magnetisation value.A number of powders of Mn-substituted magnetite MnxFe3–xO4 (x = 0 – 1.8) were synthesized by means of co-precipitation from aqueous solutions of salts. The structural and micro-structural features and magnetic properties of the powders were studied using magnetic analysis, X-ray diffraction, transmission electron microscopy, and IR spectroscopy.The X-ray phase analysis and IR spectroscopy confirm the formation of single-phase compounds with cubic spinel structures. The maximum increase in saturation magnetization as compared to non-substituted magnetite was observed for Mn0.3Fe2.7O4 (Ms = 68 A·m2·kg–1 at 300 K and Ms = 85 A·m2·kg–1 at 5 K). This is associated with the changes in the cation distribution between the tetrahedral and octahedral cites.A method to control the magnetic properties of magnetite by the partial replacement of iron ions in the magnetite structure with manganese has been proposed in the paper. The study demonstrated that it is possible to change the magnetisation and coercivity of powders by changing the degree of substitution. The maximum magnetisation corresponds to the powder Mn0.3Fe2.7O4. The nanoparticles obtained by the proposed method have a comparatively high specific magnetisation and a uniform size distribution. Therefore the developed materials can be used for the production of magnetorheological fluidsand creation of magnetically controlled capsules for targeted drug delivery and disease diagnostics in biology and medicine (magnetic resonance imaging). References1. Gubin C. G., Koksharov Yu. A., Khomutov G. B.,Yurkov G. Yu. Magnetic nanoparticles: preparation,structure and properties. Russian Chemical Reviews2005;74(6): 539–574. Available at: https://www.elibrary.ru/item.asp?id=90858192. Skumr yev V. , Stoyanov S. , Zhang Y. ,Hadjipanayis G., Givord D., Nogués J. Beating thesuperparamagnetic limit with exchange bias. Nature.2003;423(6943): 850–853. DOI: https://doi.org/10.1038/nature016873. Joseph A., Mathew S. Ferrofluids: syntheticstrategies, stabilization, physicochemical features, characterization, and applications. ChemPlusChem.2014;79(10): 1382–1420. DOI: https://doi.org/10.1002/cplu.2014022024. Mathew D. S., Juang R.-S. An overview of thestructure and magnetism of spinel ferrite nanoparticlesand their synthesis in microemulsions. ChemicalEngineering Journal. 2007:129(1–3): 51–65. DOI:https://doi.org/10.1016/j.cej.2006.11.0015. Rewatkar K. G. Magnetic nanoparticles:synthesis and properties. Solid State Phenomena.2016:241: 177–201. DOI: https://doi.org/10.4028/www.scientific.net/ssp.241.1776. Tartaj P., Morales M. P., Veintemillas-VerdaguerS., Gonzalez-Carre´no T., Serna C. J. Thepreparation of magnetic nanoparticles for applicationsin biomedicine. Journal of Physics D: Applied Physics.2003: 36 (13): 182–197. DOI: : https://doi.org/10.1088/0022-3727/36/13/2027. West A. Khimiya tverdogo tela. Teoriya iprilozheniya [Solid State Chemistry and Its Applications].In 2 parts Part 1. Transl. from English. Moscow, Mir,1988 558 p.8. Spravochnik khimika: V 6 t. 2-e izd. Obshchiyesvedeniya. Stroyeniye veshchestva. Svoystva vazhneyshikhveshchestv. Laboratornaya tekhnika [Chemist’sHandbook: In 6 volumes, 2nd ed. General information.The structure of matter. Properties of the mostimportant substances. Laboratory equipment]. B. P.Nikolskiy (ed.) Moscow – Leningrad: GoskhimizdatPubl.; 1963. V. 1. 1071 p. (In Russ.)9. Zhuravlev G. I. Khimiya i tekhnologiya ferritov[Ferrite chemistry and technology]. Leningrad:Khimiya Publ.; 1970. p. 192. (In Russ.)10. Mason B. Mineralogical aspects of the systemFeO-Fe2O3-MnO-Mn2O3. Geologiska Föreningen iStockholm Förhandlingar. 1943;65(2): 97–180. DOI:https://doi.org/10.1080/1103589430944714211. Guillemet-Fritsch S., Navrotsky A., TailhadesPh., Coradin H., Wang M. Thermochemistry of ironmanganese oxide spinels. Journal of Solid StateChemistry. 2005;178(1):106–113. DOI: https://doi.org/10.1016/j.jssc.2004.10.03112. Ortega D. Structure and magnetism in magneticnanoparticles. In: Magnetic Nanoparticles: FromFabrication to Clinical Applications. Boca Raton: CRCPress; 2012. p. 3–72. DOI:https://doi.org/10.1201/b11760-313. Kodama T., Ookubo M., Miura S., Kitayama Y.Synthesis and characterization of ultrafine Mn(II)-bearing ferrite of type MnxFe3-xO4 by coprecipitation.Materials Research Bulletin... 1996:31(12): 1501–1512.DOI: https://doi.org/10.1016/s0025-5408(96)00146-814. Al-Rashdi K. S., Widatallah H., Al Ma’Mari F.,Cespedes O., Elzain M., Al-Rawas A., Gismelseed A.,Yousif A. Structural and mossbauer studies ofnanocrystalline Mn2+ doped Fe3O4 particles. HyperfineInteract. 2018:239(1): 1–11. DOI: https://doi.org/10.1007/s10751-017-1476-915. Modaresi N., Afzalzadeh R., Aslibeiki B.,Kameli P. Competition between the Impact of cationdistribution and crystallite size on properties ofMnxFe3–xO4 nanoparticles synthesized at roomtemperature. Ceramics International. 2017:43(17):15381–15391. DOI: https://doi.org/10.1016/j.ceramint.2017.08.079

Metal hydride systems for hydrogen storage are now commercially manufactured and the demand for them is constantly growing. Metal hydrides have the following features: a unique combination of properties of metal-hydrogen systems; extremely high volumetric densities of hydrogen atoms in the metal matrix; a wide range of operating pressures and temperatures; the selectivity of the hydrogen absorption process; significant changes in the physical properties of the metal when it is saturated with hydrogen; their catalytic activity, etc. The purpose of our research was to study the effect of the temperature of cathodic polarisation on the diffusion-kinetic, thermodynamic, and physical properties of Al-Sm-H alloys.In our study we used electrodes of Al-Sm-H alloys obtained electrochemically using cathodic intercalation from a 0.5 M dimethylformamide solution of samarium salicylate at Еcp = –2.9 V (relative to the non-aqueous silver chloride electrode) and the temperature of 25 °С for 1 hour. We used the electromotive force method to determine the thermodynamic properties: Gibbs free energy (ΔG), entropy (ΔS), and enthalpy (ΔH). The potentiostatic method was used to calculate the diffusionkinetic properties: intercalation constants, adsorption, switching current density, and the diffusion coefficient. The microstructural analysis allowed us to determine the effect of the temperature on the changes in the surface morphology.The study showed that an increase in the temperature results in an increase in ΔG, ΔS, and ΔH, which means that at higher temperatures the degree of the system disorder increases. Nevertheless, the calculated characteristics comply with the existing literature. References 1. Fateev V. N., Alexeeva O. K., Korobtsev S. V.,Seregina E. A., Fateeva T. V., Grigorev A. S., Aliyev A. Sh.Problems of accumulation and storage of hydrogen.Chemical Problems. 2018;16(4): 453–483. DOI:https://doi.org/10.32737/2221-8688-2018-4-453-483 (InRuss., abstract in Eng.)2. Kaur M., Pal K. Review on hydrogen storagematerials and methods from an electrochemical viewpoint.Journal of Energy Storage. 2019;23: 234–249.DOI: https://doi.org/10.1016/j.est.2019.03.0203. Kumar D., Muthukumar K. An overview on activationof aluminium-water reaction for enhancedhydrogen production. Journal of Alloys and Compounds.2020;835: 155189. DOI: https://doi.org/10.1016/j.jallcom.2020.1551894. Litvinov V., Okseniuk I., Shevchenko D., BobkovV. SIMS study of the surface of lanthanum-basedalloys. Ukrainian Journal of Physics. 2018;62(10): 845.DOI: https://doi.org/10.15407/ujpe62.10.08455. Schneemann A., White J. L., Kang S., Jeong S.,Wan L. F., Cho E. S., Heo T. W., Prendergast D., UrbanJ. J., Wood B. C., Allendorf M. D., Stavila V. Nanostructuredmetal hydrides for hydrogen storage. ChemicalReviews. 2018;118(22): 10775–10839. DOI: https://doi.org/10.1021/acs.chemrev.8b003136. Wang Y., Chen X., Zhang H., Xia G., Sun D., Yu X.Heterostructures built in metal hydrides for advancedhydrogen storage reversibility. Advanced Materials.2020;32(31): 2002647. DOI: https://doi.org/10.1002/adma.2020026477. von Colbe J. B., Ares J. R., Barale J., Baricco M.,Buckley C., Capurso G., Gallandate N., Grant D. M.,Guzik M. N.; Jacob I., Jensen E. H., Jensen T., Jepsen J.,Klassen T., Lototskyy M. V., Manickam K., Montone A.,Puszkiel J., Sartori S., Sheppard D. A., Stuart A., WalkerG., Webb C. J.,Yang H.,Yartys V., Züttel A., DornheimM. Application of hydrides in hydrogen storageand compression: Achievements, outlook and perspectives.International Journal of Hydrogen Energy.2019;44(15): 7780–7808. DOI: https://doi.org/10.1016/j.ijhydene.2019.01.1048. Milanese C., Jensen T. R., Hauback B. C., PistiddaC., Dornheim M., Yang H., Lombardo L., Zuettel A.,Filinchuk Y., Ngene P., de Jongh P. E., Buckley C. E.,Dematteis E. M., Baricco M. Complex hydrides forenergy storage. International Journal of Hydrogen Energy.2019;44(15): 7860–7874. DOI: https://doi.org/10.1016/j.ijhydene.2018.11.2089. Abe J. O., Popoola A. P. I., Ajenifuja E., PopoolaO. M. Hydrogen energy, economy and storage: reviewand recommendation. International Journal of HydrogenEnergy. 2019;44(29): 15072–15086. DOI: https://doi.org/10.1016/j.ijhydene.2019.04.06810. He T., Cao H., Chen P. Complex hydrides forenergy storage, conversion, and utilization. AdvancedMaterials. 2019;31(50): 1902757. DOI: https://doi.org/10.1002/adma.20190275711. Luo Y., Wang Q., Li J., Xu F., Sun L., Zou Y.,Chua H., Li B., Zhang K. Enhanced hydrogen storage/sensing of metal hydrides by nanomodification. MaterialsToday Nano. 2020;9: 100071. DOI: https://doi.org/10.1016/j.mtnano.2019.10007112. Gambini M., Stilo T., Vellini M. Hydrogen storagesystems for fuel cells: Comparison between highand low-temperature metal hydrides. InternationalJournal of Hydrogen Energy. 2019;44(29): 15118–15134.DOI: https://doi.org/10.1016/j.ijhydene.2019.04.08313. Kim, K. C. A review on design strategies formetal hydrides with enhanced reaction thermodynamicsfor hydrogen storage applications. InternationalJournal of Energy Research. 2018;42(4): 1455–1468.DOI: https://doi.org/10.1002/er.391914. Oliveira A. C., Pavão A. C. Theoretical study ofhydrogen storage in metal hydrides. Journal of MolecularModelling. 2018;24(6): 127. DOI: https://doi.org/10.1007/s00894-018-3661-415. Møller K. T., Sheppard D., Ravnsbæk D. B.,Buckley C. E., Akiba E., Li H. W., Jensen T. R. Complexmetal hydrides for hydrogen, thermal and electrochemicalenergy storage. Energies. 2017;10(10): 1645.DOI: https://doi.org/10.3390/en1010164516. Huot J., Cuevas F., Deledda S., Edalati K., FilinchukY., Grosdidier T., Hauback B.C., Heere M., JensenT. R., Latroch M., Sartori S. Mechanochemistry ofmetal hydrides: Recent advances. Materials.2019;12(17): 2778. DOI: https://doi.org/10.3390/ma1217277817. Tarasov B. P., Fursikov P. V., Volodin A. A., BocharnikovM. S., Shimkus Y. Y., Kashin A. M., YartyscV. A., Chidzivad S., Pasupathid S., Lotot skyy M. V. Metal hydride hydrogen storage and compressionsystems for energy storage technologies. InternationalJournal of Hydrogen Energy. 2020. DOI:https://doi.org/10.1016/j.ijhydene.2020.07.08518. Zhao H., Xia J., Yin D., Luo M., Yan C., Du Y.Rare earth incorporated electrode materials for advancedenergy storage. Coordination Chemistry Reviews.2019;390: 32–49. DOI: https://doi.org/10.1016/j.ccr.2019.03.01119. Guzik M. N., Mohtadi R., Sartori S. Lightweightcomplex metal hydrides for Li-, Na-, and Mg-basedbatteries. Journal of Materials Research. 2019;34(6):877–904. DOI: https://doi.org/10.1557/jmr.2019.8220. Edward P. P., Kuznetsov V. L., David W. I. F.(2007). Hydrogen energy. Philosophical Transactions ofthe Royal Society A: Mathematical, Physical and EngineeringSciences. 2007;365(1853): 1043–1056. 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Opredelenie kineticheskihparametrov stadii proniknovenija vodoroda v metallynestacionarnym jelektrohimicheskim metodom[Determination of the kinetic parameters of the stageof hydrogen penetration into metals by a nonstationaryelectrochemical method] Electrochemistry. 1981;17(5):672–677. (In Russ.)26. Krapivnyj N. G. Primenenie jelektrohimicheskojjekstrakcii dlja izuchenija navodorozhivanie metallov[Application of electrochemical extraction to the studyof the hydrogenation of metals]. Electrochemistry,1982;18 (9): 1174–1178. (In Russ.)27. Pridatko K. I., Churikov A. V., Volgin M. A.Determination of lithium diffusion rate by pulsepotentiostatic method. Electrochemical Energetics.2003;3(4): 184–191. (In Russ., abstract in Eng.)Available at: https://energetica.sgu.ru/ru/articles/opredelenie-skorosti-diffuzii-litiya-impulsnympotenciostaticheskim-metodom28. Ol’shanskaja L. N., Terina E. M., Nichvolodin A. 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In this article, reflectivity is considered as an individual general ability to develop different attitudes to life events in order to reduce an external and internal uncertainty in situations. The objective of the research is to examine the self-assessment criteria for reflectivity with psychosemantic procedure. The author designs a modified version of the Ch. Osgood’s (1957) Semantic Differential (SD) for examining the content and formal features of the self-assessment criteria of reflectivity. This study suggests two main processes of self-assessment of reflectivity, notably differentiation and integration. The results of factor analysis indicate that individuals with high reflectivity level are aligned with low differentiation of the semantic space and monolithic nature of self-assessment criteria. The coherence and consistency of self-assessment criteria reduce the individuals’ level of inner uncertainty, transform external problems to familiar tasks and increase an efficient decision-making. A high level of differentiation is related to individual readiness to make a correct decision in the situation of multiple choice. High differentiation increases the individual adjustment and prevents from poor effects of high reflectivity. Consequently, a high level of reflectivity is associated with a low level of differentiation of self-assessment criteria. References Грановская Р.М. Психология веры. Санкт-Петербург: Питер, 2010. Карпов А.В. Психология рефлексивных механизмов деятельности. Москва: Изд-во «Институт психологии РАН», 2004. Карпов А.В., Пономарева В.В. Психология рефлексивных механизмов управ­ления. М.: Изд­во ИП РАН, 2000. Лактионов А.Н. Координаты индивидуального опыта. Харьков: Харьк. нац. ун-т им. В. Каразина, 2010. Леонтьев Д.А. Психологические ресурсы преодоления стрессовых ситуаций: к уточнению базовых конструктов. Психология стресса и совладающего поведения в современном российском обществе: Материалы II Междун. научно-практич. конференции. Кострома: КГУ им. Н.А. Некрасова, 2010, 2, 40–42. Леонтьев Д.А., Аверина А.Ж. Феномен рефлексии в контексте проблемы саморегуляции. Психологические исследования. 2011. №2(16). Режим доступа: http://psystudy.ru/index.php/num/2011n2-16/463-leontiev-averina16.html. Петренко В.Ф. Основы психосемантики. Москва: Эксмо, 2010. Похилько В. И., Федотова Е.О. Техника репертуарных решеток в экспериментальной психологии личности. Вопросы психологии, 1984. № 3, 151–157. Проблемы психологической герменевтики / Под ред. Н.В. Чепелевой. Киев : Изд-во Национального педагогического университета им. Н. П. Драгоманова, 2009. Савченко О.В. Рефлексивна компетентність особистості. Херсон : ПП Вишемирський В. С., 2016 Савченко О. Структура семантичного простору, що відображає уявлення суб’єкта про власну рефлексивну активність // East European Journal of Psycholinguistics. 2015. Т. 2 (1), 114–123. Чуприкова Н.И. Психология умственного развития: Принцип дифференциации. Москва : АО «Столетие», 1997. Gawronski, B. & Bodenhausen, G. (2006). Associative and propositional processes in evaluation: An integrative review of implicit and explicit attitude change. Psychological Bulletin, 132(5), 692-731. Halpern, D. F. (2001). Assessing the Effectiveness of Critical Thinking Instruction. The Journal of General Education, 50(4), 270–286. Harvey, O.J., Hunt, D. E., & Schroder, H. M. (1961). Conceptual System and Personality Organization. New York: Wiley & Sons. Janzen, G. (2006). The Representational Theory of Phenomenal Character: A Phenomenological Critique. Phenomenology and the Cognitive Sciences, 5, 321–339 [in English]. Kriegel, U. (2003). Consciousness as Intransitive Self-Consciousness: Two views. Canadian Journal of Philosophy, 33, 103-132. Lieberman, M. D., Gaunt, R., Gilbert, D. T., & Trope, Y. (2002). Reflexion and reflection: A social cognitive neuroscience approach to attributional inference. In Advances in experimental social psychology (Vol. 34, pp. 199-249). Academic Press. Nolen-Hoeksema, S., Wisco, B. E., & Lyubomirsky, S. (2008). Rethinking rumination. Perspectives on Psychological Science, 3(5), 400–424. Peters, F. (2013). Theories of consciousness as reflexivity. The Philosophical Forum, 44, 341-372. Savchenko O. (2016b) The formation level of the components of the reflective experience as a factor of the students` educational success. Psychological Prospects, 28, 269-282. References (translated and transliterated) Granovskaya, R. M. (2010). Psihologiya Very [Psychology of Faith]. S.-Petersburg: Piter. Karpov, A. V. (2004). Psihologiya Refleksivnyh Mehanizmov Deyatelnosti [Psychology of Reflective Activity Mechanisms]. 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Artikel review ini memberikan informasi tentang aplikasi polianilina (PANI) dan kompositnya sebagai sensor gas berbahaya khususnya amonia (NH3). Kajian yang dibahas pada artikel ini meliputi sifat gas NH3, material komposit, kinerja sensor, serta limit deteksi. Tinjauan sensor gas amonia berbasis polimer konduktif polianilina secara menyeluruh diambil dari referensi sepuluh tahun terakhir. Sebagai contoh, komposit polianilina dengan turunan karbon seperti reduced Graphene Oxide (rGO) dan Carbon Nanotube menunjukkan limit deteksi hingga 46 ppb dengan waktu pemulihan hanya 75 detik. Selain itu, komposit PANI dengan logam seperti Ag, Sr dan sebagainya, menunjukkan limit deteksi yang lebih besar yaitu 1 ppm, namun terdapat keunggulan dimana waktu pemulihan hanya 4 deti. Oleh sebab itu, polimer konduktif polianilina menjadi material yang sangat menjanjikan untuk mendeteksi keberadaan gas NH3. Terakhir, mekanisme penginderaan gas amonia terhadap material PANI juga dibahas pada tulisan ini. 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Интерес к изучению систем, содержащих сульфиды формулой АIВIIIСVI2, обусловлен, прежде всего, открывающимися возможностями их практического использования в изготовлении нелинейных оптических приборов, детекторов, солнечных батарей, фотодиодов, люминофоров и др. Поэтому в связи с поиском новых перспективных материаловна основе тиогаллата серебра и железа целью этой работы является исследование квазибинарного разреза FeGa2S4–AgGaS2 четырехкомпонентной системы Fe–Ag–Ga–S.Синтез сплавов системы AgGaS2–FeGa2S4 проводили из лигатур с использованием высокой чистоты: железа – 99.995 %, галлия – 99.999 %, серебра – 99.99 % и серы – 99.99 %. Исследование сплавов проводили методами дифференциально-термического, рентгенофазового, микроструктурного анализов, а также измерением микротвердости и определениемплотности.Методами физико-химического анализа впервые изучена и построена Т-x фазовая диаграмма разреза AgGaS2–FeGa2S4, который является внутренним сечением квазитройной системы FeS–Ga2S3–Ag2S. Установлено, что система относится к простому эвтектическому типу. Состав эвтектической точки: 56 мол. % FeGa2S4 и Т = 1100 К. На основе исходных компонентов были определены области твердых растворов. Растворимость на основе FeGa2S4 и AgGaS2 при эвтектической температуре достигает до 10 и 16 мол. % соответственно. С уменьшением температуры твердые растворы сужаются и при комнатной температуре составляют на основе тиогаллата железа (FeGa2S4) 4 мол. % AgGaS2,а на основе тиогаллата серебра (AgGaS2) 11 мол. % FeGa2S4. ЛИТЕРАТУРА 1. Zhаo B., Zhu S., Li Z., Yu F., Zhu X., Gao D. Growth of AgGaS2 single crystal by descending cruciblewith rotation method and observation of properties. Chinese Sci. Bull. 2001; 46(23): 2009–2013. DOI:https://doi.org/10.1007/BF029019182. Горюнова Н. А. Сложные алмазоподобные полупроводники. М.: Сов. радио; 1968. 215 с.3. Абрикосов Н. Х., Шелимова Л. Е. Полупроводниковые материалы на основе соединений АIVBVI..М.:Наука; 1975. 195 с.4. Kushwaha A. 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Using the example of the UV-excited Ca9KMg(PO4)7:1% Eu2+ phosphor, methods for characterizing the color quality of the light emitted by it at different operating temperatures are described. The effect of adopting two different colorimetric observers established by the International Commission on Illumination (i.e., the CIE 1931 observer with a viewing angle of two degrees and the CIE 2015 observer with a viewing angle of ten degrees) on the position of the chromaticity point of light emitted by phosphor is discussed. It was demonstrated that using the CIE 2015 photometric observer to determine the position of the chromaticity point, the tested phosphor is characterized by smaller changes in the color of emitted light as a function of operating temperature than when using the CIE 1931 observer. Full Text: PDF ReferencesR. Pązik et al., "Thermal quenching mechanisms of the Eu3+ luminescence in Ca9Al(PO4)7 obtained by citric route", Materials Research Bulletin, Vol. 48, I.2, 337 (2013). CrossRef I. Fryc, S. W. Brown, Y. Ohno, "A spectrally tunable LED sphere source enables accurate calibration of tristimulus colorimeters", Proc. SPIE Vol. 6158, 125 (2006) CrossRef Y. Ohno, "Practical Use and Calculation of CCT and Duv", LEUKOS, 10:1, 47-55, (2014). CrossRef D. Durmus, "Multi-objective optimization trade-offs for color rendition, energy efficiency, and circadian metrics", Proc. SPIE Vol. 11706, 117061J (2021) CrossRef I. Fryc, D. Czyzewski, " Dokładność pomiarowa spektroradiometrów typu CCD", Przeglad Elektrotechniczny R. 85(11), 276 (2009). DirectLink D. Czyzewski, "Zamienniki LED klasycznych żarówek", Przeglad Elektrotechniczny R. 88(11), 123 (2012). DirectLink J. Kusznier, W. Wojtkowski, "Spectral properties of smart LED lamps", Phot. Lett. Pol., 12(1), 16 (2020). CrossRef P. Hung, J. Y. Tsao, "Maximum White Luminous Efficacy of Radiation Versus Color Rendering Index and Color Temperature: Exact Results and a Useful Analytic Expression", Journ. of Display Techn., 9(6), 405 (2013). CrossRef Y. Asano, MD Fairchild, L. Blondé, "Individual Colorimetric Observer Model", PLOS ONE 11(2) e0145671 (2016). CrossRef Y. Wang, M. Wei, "Preference among light sources with different Duv but similar colour rendition: A pilot study", Lighting Res. & Tech., 50(7), 1013 (2018). CrossRef K. A. G. Smet, "Tutorial: The LuxPy Python Toolbox for Lighting and Color Science", LEUKOS, 16:3, 179 (2020). CrossRef D. Petrisor, C. D. Galatanu, C. Haba, L. Breniuc "Color Quality Measurements of LED Light Sources Using Image Processing", EEEIC/I&CPS Europe, 1, (2019) CrossRef ANSI C78.377:2017 DirectLink I. Fryc, T. Dimitrova-Grekow, "An Automated System for Evaluation of the Quality of Light Sources", 2016 IEEE (Lumen V4), 1 (2016). CrossRef Y. Ohno, "Spectral design considerations for white LED color rendering", Optical Engineering 44(11), 111302 (2005). CrossRef E. Purwanto, P. Dupuis, L. Canale, N. I. Sinisuka, G. Zissis, "Aging study of remote luminophore at ambient temperature", EEEIC/I&CPS Europe, 1 (2019). CrossRef J. Fan, Y. Li, I. Fryc, C. Qian, X. Fan, G. Zhang, "Machine-Learning Assisted Prediction of Spectral Power Distribution for Full-Spectrum White Light-Emitting Diode", IEEE Photonics Journal, 12(1), 1 (2020). CrossRef D. Mozyrska, M. Wyrwas, I. Fryc, "Wyznaczanie parametrów kolorymetrycznych LEDa w pełnym zakresie temperatur pracy", Przeglad Elektrotechniczny R. 93(4a), 232 (2012). CrossRef I. Fryc, "Analiza właściwości spektralnych LEDów z zależności od temperatury i natężenia ich prądu pracy", Przeglad Elektrotechniczny R. 86(10), 187 (2010). DirectLink I. Fryc, "Pomiary wybranych parametrów świetlno-optycznych LEDów według zaleceń Międzynarodowej Komisji Oświetleniowej CIE 127:2007", Przeglad Elektrotechniczny R. 85(11), 317 (2009). DirectLink A. David et al., "Development of the IES method for evaluating the color rendition of light sources", Opt. Express 23, 15888 (2015). CrossRef S Jost-Boissard, P Avouac, M Fontoynont, "Assessing the colour quality of LED sources: Naturalness, attractiveness, colourfulness and colour difference", Lighting Research & Technology, 47(7): 769 (2015). CrossRef J. Kowalska, "Określanie jakości oddawania barw źródeł światła parametrami przedstawionymi w zaleceniach IES TM-30-15 i CIE 013.3-1995", Przeglad Elektrotechniczny R. 93(6), 50 (2017). DirectLink J. Kowalska, I. Fryc, "Jakość oddawania barw współczesnych lamp fluorescencyjnych określona zdefiniowanym przez CIE wskaźnikiem wierności barwy oraz wskaźnikiem oddawania barw", Przeglad Elektrotechniczny R. 95(7), 94 (2019). DirectLink CIE 170-2:2015 DirectLink

В последние годы высокими темпами проводятся исследования, связанные с поиском и изучением механизма действия новых и применяющихся в медицине ноотропных средств. Представляют интерес исследования, связанные с поиском новых комбинированных лекарственных средств ноотропного действия на основе субстанций D-гамма-пантотената кальция и янтарной кислоты, обладающих нейрометаболическими, атигипоксическими и адаптогенными свойствами. Целью настоящего исследования являлись разработка и обоснование оптимальных составов и технологий изготовления таблеток, обладающих ноотропным действием, и стандартизация предложенных лекарственных форм, содержащих пантогам и янтарную кислоту.Способ приготовления таблеточной смеси: все компоненты отвешивали в необходимом количестве, в ступку вносили пантогам, затем янтарную кислоту и растирали до однородного белого порошка. Прессование таблеток проводили на ручном прессе при давлении 120 мн/м2. Нанесение покрытия осуществлялось на лабораторной установке псевдоожиженного слоя с одной форсункой в перфорированном барабане объёмом 1000 мл. Полученные таблетки оценивали согласно требованиям по Государственной Фармакопее XIII, XIV. Сравнение таблеток пантогама сянтарной кислотой, полученных методом прямого прессования и влажного гранулирования, показало, что метод прямого прессования позволяет получать таблетки с хорошими физико-механическими показателями и биодоступностью. Для количественного определения пантогама в таблетках разработаны методики, основанные на кислотно-основном титровании, спектрофотометрическом определении. Проведена валидация методики количественного определения янтарной кислоты в лекарственных формах.На основании изучения физико-химических, технологических свойств субстанций и вспомогательных веществ обоснованы и разработаны составы и технология получения таблеток, содержащих пантогам и янтарную кислоту. Установлено, что при совместном присутствии пантогама и янтарной кислоты в таблетках происходят твердофазные взаимодействия. Разработаны методы качественного и количественного анализа лекарственных форм, содержащих пантогам, янтарную кислоту, основанные на комплексонометрическом титровании и высокоэффективной жидкостной хроматографии. Процедура валидации определения янтарной кислоты методом высокоэффективнойжидкостной хроматографии в разработанных лекарственных формах показала обоснованность предложенной методики. ЛИТЕРАТУРА 1. Воронков А. В., Поздняков Д. И., Нигарян С. А. Церебропротективное действие некоторых фенолокислот в условиях экспериментальной ишемии головного мозга. Фармация и фармакология. 2019;7(6): 332–339. DOI: https://doi.org/10.19163/2307-9266-2019-7-6-332-3382. Cornelis E., Gorus E., Beyer I., Bautmans I., De Vriendt P. 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Rapid urbanization rates impact significantly on the nature of Land Cover patterns of the environment, which has been evident in the depletion of vegetal reserves and in general modifying the human climatic systems (Henderson, et al., 2017; Kumar, Masago, Mishra, & Fukushi, 2018; Luo and Lau, 2017). This study explores remote sensing classification technique and other auxiliary data to determine LULCC for a period of 50 years (1967-2016). The LULCC types identified were quantitatively evaluated using the change detection approach from results of maximum likelihood classification algorithm in GIS. Accuracy assessment results were evaluated and found to be between 56 to 98 percent of the LULC classification. The change detection analysis revealed change in the LULC types in Minna from 1976 to 2016. Built-up area increases from 74.82ha in 1976 to 116.58ha in 2016. Farmlands increased from 2.23 ha to 46.45ha and bared surface increases from 120.00ha to 161.31ha between 1976 to 2016 resulting to decline in vegetation, water body, and wetlands. The Decade of rapid urbanization was found to coincide with the period of increased Public Private Partnership Agreement (PPPA). Increase in farmlands was due to the adoption of urban agriculture which has influence on food security and the environmental sustainability. The observed increase in built up areas, farmlands and bare surfaces has substantially led to reduction in vegetation and water bodies. The oscillatory nature of water bodies LULCC which was not particularly consistent with the rates of urbanization also suggests that beyond the urbanization process, other factors may influence the LULCC of water bodies in urban settlements. Keywords: Minna, Niger State, Remote Sensing, Land Surface Characteristics References Akinrinmade, A., Ibrahim, K., & Abdurrahman, A. (2012). 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Children's stunting is a problem because it is associated with an increased risk of pain and death, suboptimal brain development resulting in late motor development, and inhibition of mental growth. This study aims to examine the factors that influence the occurrence of stunting and risk in children in Indonesia. The research method used is a traditional review. The results of the review found that many factors cause the high incidence of stunting in toddlers, including energy intake, birth weight, maternal knowledge level, family economic status, parental parenting, and food security. WHO estimates the prevalence of stunting worldwide at 22 percent or as many as 149.2 million in 2020. According to the Indonesian Nutritional Status Study (SSGI) results of the Ministry of Health, the prevalence of stunting in children under five in Indonesia reached 24.4% in 2021. The prevalence of stunting of toddlers in Indonesia continues to show a decline. In 2018 the prevalence of stunting toddlers was still 30.8%. Then, it dropped to 27.7 in 2019 and continued to fall to 24.4% in SSGI 2024. The government even targets to drop to 14% by the end of 2024. Furthermore, WHO also recommends reducing stunting by 3.9% per year to meet the target of 40% stunting reduction by 2025. Keywords: Indonesian children; stunting data; causes of stunting; the prevalence of stunting References: Aguayo, V. M., & Menon, P. (2016). Stop stunting: Improving child feeding, women’s nutrition and household sanitation in South Asia. Maternal and Child Nutrition, 12, 3–11. https://doi.org/10.1111/mcn.12283 Chaparro, C. (2017). FANTA-Guatemala-ENSMI-Report_March 2012. Creswell, J. W. (2014). Research Design: Qualitative, Quantitative and Mixed Methods Approaches (4th ed.). Thousand Oaks, CA: Sage. da Silva, I. C. M., França, G. V., Barros, A. J. D., Amouzou, A., Krasevec, J., & Victora, C. G. (2018). 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В 2018-2020 гг. исследована популяции оленька обыкновенного (Dorcus parallelipipedus L.), занесенного в Красную книгу Республики Татарстан, на территории парка «Крылья Советов» г. Казани. Установлено, что продолжительность периода активности жука составляет 95‒105 дней. Ведущим фактором динамики уловистости D. parallelipipedus на территории парка является температура воздуха. В 2019 г. произошло сильное смещение и сокращение сроков активности жука из-за пониженных температур во второй половине лета. К 2020 г. численность оленька сократилась в 2.4 раза. На это оказали влияние высокая рекреационная нагрузка в парке и погодные условия. Среди собранных жуков в большей мере преобладали погибшие особи (80%). Соотношение полов в популяции оленька обыкновенного в 2018 г. было оптимально равновесным, а в 2020 г. количество самок стало в 2.3 раза больше самцов. Библиографические ссылки 1. Берлов Э.Я., Кабакова О.Н. Атлас рогачей (Lucanidae) России // URL: https://www.zin.ru/Animalia/Coleoptera/rus/lucanida.htm (дата обращения: 21.01.2021). 2. Гершензон С.М. Основы современной генетики. Киев: Наукова думка, 1983. 558 с. 3. Красная книга Республики Татарстан: животные, растения, грибы. Казань: Природа, ТОО «Стар», 1995. 454 с. 4. Красная книга Республики Татарстан: животные, растения. Изд. 2-е. Казань: Идел–Пресс, 2006. 832 с. 5. Красная книга Республики Татарстан: животные, растения, грибы. Изд. 3-е. Казань: Идел–Пресс, 2016. 760 с. 6. Кузовенко А.Е., Киреева А.С., Мазяркина Т.Н. Находка оленька Dorcus parallelipipedus (Linnaeus, 1758) (Coleoptera:Lucanidae) в Казахстане // Кавказский энтомологический бюллетень. 2019. Т. 15, вып. 1. С. 59–60. 7. Экология города Казани. Казань: Изд-во «Фэн» Академии наук РТ, 2005. 576 с. 8. Alexander K.N.A., Mannerkoski I., Pettersson R., Mason F., Schmidl J. Dorcus parallelipipedus // The IUCN Red List of Threatened Species. 2010. e.T157667A5120866. 9. Bartolozzi L., Sprecher-Uebersax E. Lucanidae // Catalogue of Palaearctic Coleoptera. Vol. 3. Scarabaeoidea – Scirtoidea – Dascilloidea – Buprestoidea – Byrrhoidea. Apollo Books, Stenstrup, Denmark, 2006. P. 63–77. 10. Bartolozzi L., Ghahari H., Sprecher-Uebersax E., Zilioli M. A checklist of stag beetles (Coleoptera: Scarabaeoidea: Lucanidae) from Iran // Zootaxa. 2014. V. 3887, №3. P. 422–436. 11. Della Rocca F., Stefanelli S., Cardarelli E., Bogliani G., Bracco F. Contribution to the knowledge of the arthropods community inhabiting the winter-flooded meadows (marcite) of northern Italy // Biodiversity data journal. 2021. 9. e57889. https://doi.org/10.3897/BDJ.9.e57889. 12. Dorcus parallelipipedus (Linnaeus, 1758) in GBIF Secretariat. GBIF Backbone taxonomy. 2019. https://doi.org/10.15468/39omei. 13. Hardersen S., Ilaria T., Paolo C., Gianfranco C., Piero L., Gianluca N., Fabio P., Emanuele P., Giuseppe P. Survey of selected beetle families in a floodplain remnant in northern Italy // Bulletin of insectology. 2012. V. 65, №2. P. 199–207. 14. Paulsen M.J. Stag beetles of the genus Dorcus MacLeay in North America (Coleoptera, Lucanidae) // Current advances in Scarabaeoidea research. ZooKeys. 2010. V. 34. P. 199–207. DOI: 10.3897/zookeys.34.292. 15. Linnaei C. Systema Naturae Per Regna Tria Naturae, Secundum Classses, Ordines, Genera, Species, Cum Characteribus, Differentiis, Synonymis, Locis. Editio Decima, Reformata. Holmiae [Stockholm]: Impensis Direct. Laurentii Salvii. 1758. Bl. 823 p.