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Journal articles on the topic 'ELECTROCONDUCTIVITY'

Author: Grafiati
Published: 26 June 2021
Last updated: 31 May 2022

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1

Londar, S. L. "Electroconductivity of Ca5Ga6O14 crystals." Physica Status Solidi (a) 146, no. 2 (December 16, 1994): 765–70. http://dx.doi.org/10.1002/pssa.2211460221.

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2

Ilicheva, N. S., N. K. Kitaeva, V. R. Duflot, and V. I. Kabanova. "Synthesis and Properties of Electroconductive Polymeric Composite Material Based on Polypyrrole." ISRN Polymer Science 2012 (February 29, 2012): 1–7. http://dx.doi.org/10.5402/2012/320316.

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A technique is proposed for obtaining electroconductive, mechanically strong, and elastic composite material based on polypyrrole and hydrophilized polyethylene. The relationship is established between the process parameters and properties of the composite material such as electroconductivity and mechanical strength. Several methods are considered in the view of increasing electroconductivity of the material. Physical and mechanical properties of the composite material are investigated.
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3

Sakai, Takenobu, Tomohiko Gushiken, Jun Koyanagi, Rolando Rios-Soberanis, Tomoki Masuko, Satoshi Matsushima, Satoshi Kobayashi, and Satoru Yoneyama. "Effect of Viscoelastic Behavior on Electroconductivity of Recycled Activated Carbon Composites." Applied Mechanics and Materials 70 (August 2011): 231–36. http://dx.doi.org/10.4028/www.scientific.net/amm.70.231.

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In the Waterworks Bureau, the activated carbon has been used for filtering water. After the life service of activated carbon, it is normally disposed. This work focuses on the processing of a composite material in order to recycle these wasted carbon particles. These activated carbons were used for the filler of composite materials, and a composite with carbon contents of 10% ~ 60% was manufactured and characterized. They exhibited electroconductive behavior because of the carbon particles used as fillers. The electroconductivity have an intimate relationship with the strain of the material. However, because of the composite viscoelasticity, the electroconductivity presented changes by their stress relaxation behavior with the same strain. In this study, it was revealed the relationship between the viscoelasticity and the electroconductivity of recycled activated carbon composites.
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4

Sorokin, N. I., and E. I. Ardashnikova. "Electroconductivity of Oxyfluoride 3NdOF · KF." Russian Journal of Electrochemistry 40, no. 5 (May 2004): 578–79. http://dx.doi.org/10.1023/b:ruel.0000027631.56744.54.

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5

Savic, Slobodan, and Branko Obrovic. "The influence of variation of electroconductivity on ionized gas flow in the boundary layer along a porous wall." Theoretical and Applied Mechanics 33, no. 2 (2006): 149–79. http://dx.doi.org/10.2298/tam0602149s.

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This paper investigates ionized gas flow in the boundary layer when its electroconductivity is varied. The flow is planar and the contour is porous. At first, it is assumed that the ionized gas electroconductivity ? depends only on the longitudinal variable. Then we adopt that it is a function of the ratio of the longitudinal velocity and the velocity at the outer edge of the boundary layer. For both electroconductivity variation laws, by application of the general similarity method, the governing boundary layer equations are brought to a generalized form and numerically solved in a four-parametric three times localized approximation. Based on many tabular solutions, we have shown diagrams of the most important nondimensional values and characteristic boundary layer functions for both of the assumed laws. Finally, some conclusions about influence of certain physical values on ionized gas flow in the boundary layer have been drawn. .
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6

ODINAEV, S., and I. ODJIMAMADOV. "THE RELAXATION THEORY OF ELECTROELASTICITY AND DIELECTRIC PROPERTIES OF IONIC LIQUIDS." Modern Physics Letters B 15, no. 09n10 (April 30, 2001): 285–90. http://dx.doi.org/10.1142/s021798490100177x.

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An analytic dynamic coefficient of electroconductivity σ(ω) and electroelasticity modulus ε(ω) for ionic liquids is obtained from the kinetic equations for one- and two-particle distribution functions. These expressions include both structural and translational relaxation processes which proceed in the ionic liquids. An asymptotic behavior of σ(ω) and corresponding ∊(ω) at low and high frequencies is considered. It is shown that the obtained results for electroconductivity allow us to investigate dielectric properties of ionic liquids.
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7

Liu, Hongbo, Ben Li, Jing Xue, Jiayu Hu, and Jing Zhang. "Mechanical and Electroconductivity Properties of Graphite Tailings Concrete." Advances in Materials Science and Engineering 2020 (April 4, 2020): 1–20. http://dx.doi.org/10.1155/2020/9385097.

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This paper investigated the mechanical and electroconductivity properties of graphite tailings concrete, in which the graphite tailings are replaced as sand. The results showed that the concentration of graphite tailings has an important influence on the mechanical, electroconductivity, and material properties of concrete. Finally, a new model for calculating the relationship between compressive strength and electrical resistivity based on the grey correlation method was obtained for providing a theoretical basis for building green and intelligent building materials.
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8

Ershov, A. P., N. P. Satonkina, and G. M. Ivanov. "Electroconductivity profiles in dense high explosives." Russian Journal of Physical Chemistry B 1, no. 6 (December 2007): 588–99. http://dx.doi.org/10.1134/s1990793107060139.

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9

Fujii, Masak, and Tatsuo Wakayama. "4834910 Coating agent for imparting electroconductivity." Carbon 28, no. 1 (1990): IV. http://dx.doi.org/10.1016/0008-6223(90)90148-r.

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10

Surzhikov, A. P., T. S. Frangulyan, S. A. Ghyngazov, E. N. Lisenko, and O. V. Galtseva. "Investigation of electroconductivity of lithium pentaferrite." Russian Physics Journal 49, no. 5 (May 2006): 506–10. http://dx.doi.org/10.1007/s11182-006-0133-6.

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11

Wei, Wen-Chao, Cong Deng, Sheng-Chao Huang, Yun-Xia Wei, and Yu-Zhong Wang. "Nickel-Schiff base decorated graphene for simultaneously enhancing the electroconductivity, fire resistance, and mechanical properties of a polyurethane elastomer." Journal of Materials Chemistry A 6, no. 18 (2018): 8643–54. http://dx.doi.org/10.1039/c8ta01287c.

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12

Yan, Shuqin, Qingqing Yang, Guocong Han, Qiusheng Wang, Xiufang Li, Lu Wang, Zuwei Luo, Renchuan You, and Qiang Zhang. "Facile fabrication of electroconductive natural silk composites by microscale manipulation." New Journal of Chemistry 43, no. 6 (2019): 2559–66. http://dx.doi.org/10.1039/c8nj05041d.

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13

Khantimerov, S. M., P. N. Togulev, E. F. Kukovitsky, N. M. Lyadov, and N. M. Suleimanov. "Effect of Electrochemical Treatment on Electrical Conductivity of Conical Carbon Nanotubes." Journal of Nanotechnology 2016 (2016): 1–5. http://dx.doi.org/10.1155/2016/8034985.

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Interaction of conical carbon nanotubes (CNTs) with hydrogen during electrochemical treatment and its effect on their electronic properties was studied. The temperature dependencies of electroconductivity of initial and electrochemically hydrogenated conical CNTs were investigated by using four-probe van der Pauw method. The studies revealed that the electrochemical hydrogen absorption leaded to a significant reduction in the electroconductivity of conical carbon nanotubes. We assume that these changes can be associated with a decrease in the concentration of charge carriers as a result of hydrogen localization on the carbon π-orbitals, the transition from sp2 to sp3 hybridization of conical CNTs band structure, and, therefore, a metal-semiconductor-insulator transition.
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14

Kh Murlieva, Zh, D. K. Palchaev, N. M-R Alikhanov, M. Kh Rabadanov, and S. A. Sadykov. "Structure and electroconductivity of nanostructured ceramics BiFeO3." Journal of Physics: Conference Series 941 (December 2017): 012075. http://dx.doi.org/10.1088/1742-6596/941/1/012075.

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15

Khalilov, Sh, V. Dimza, A. Krumins, A. Sprogis, and A. Spule. "Asymmetry of electroconductivity in polarized plzt ceramics." Ferroelectrics 69, no. 1 (July 1986): 59–65. http://dx.doi.org/10.1080/00150198608008125.

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16

Agasiev, A. A., Ch G. Akhundov, G. M. Eivazova, and M. Z. Mamedov. "Electroconductivity of SrTiO3 films with intergrain barriers." Physica B: Condensed Matter 173, no. 4 (November 1991): 419–22. http://dx.doi.org/10.1016/0921-4526(91)90474-s.

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17

Goonoo, Nowsheen. "Tunable biomaterials for myocardial tissue regeneration: promising new strategies for advanced biointerface control and improved therapeutic outcomes." Biomaterials Science 10, no. 7 (2022): 1626–46. http://dx.doi.org/10.1039/d1bm01641e.

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Myocardial scaffold characteristics including mechanical property, pore size/porosity, immunomodulation, bioactivity, electroconductivity, injectability and thickness is reviewed and strategies to control each of them is discussed in details
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18

Ohashi, Masataka, Hideyuki Nakano, Tetsuya Morishita, Michelle J. S. Spencer, Yuka Ikemoto, Chihiro Yogi, and Toshiaki Ohta. "Mechanochemical lithiation of layered polysilane." Chem. Commun. 50, no. 68 (2014): 9761–64. http://dx.doi.org/10.1039/c4cc03850a.

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Lithiated polysilane was synthesized by the mechanochemical reaction of layered polysilane with metallic lithium. The resulting dark green powder formed a Si–Li bond on the surface and demonstrated electroconductivity.
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19

Chen, Ming, Leng-Leng Shao, Xing Qian, Tie-Zhen Ren, and Zhong-Yong Yuan. "Direct synthesis of cobalt nanoparticle-imbedded mesoporous carbons for high-performance dye-sensitized solar cell counter electrodes." J. Mater. Chem. C 2, no. 48 (2014): 10312–21. http://dx.doi.org/10.1039/c4tc02270j.

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Metal Co nanoparticle-imbedded ordered mesoporous carbon materials were synthesized by a facile low-temperature hydrothermal approach, acting as superior electrocatalysts in dye-sensitized solar cells, due to the synergistic catalytic effect and enhanced electroconductivity.
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20

Байдаков, Д. Л., and Н. В. Михайлова. "Electroconductivity of the amorphous films MnCl2-GeS2-Ga2S3 and MnS-GeS2-Ga2S3, prepared by spin-coating method." Известия СПбЛТА, no. 238 (March 11, 2022): 243–53. http://dx.doi.org/10.21266/2079-4304.2022.238.243-253.

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Стеклообразные халькогениды германия и галлия имеют большое практическое применение. Прозрачность в ИК-области спектра, малая чувствительность к примесям, высокая химическая устойчивость делают перспективными эти аморфные материалы для нужд электронной промышленности. Химическим осаждением из растворов халькогенидных стекол в н-бутиламине получены аморфные пленки MnCl2-GeS2-Ga2S3, MnSGeS2-Ga2S3 и исследована их электропроводность. Осаждение аморфных пленок проводили по разработанной ранее методике Байдакова–Школьникова. Измерения абсолютных значений удельной электропроводности пленок в зависимости от величины сопротивления исследуемых образцов проводили на постоянном или переменном токе. Энергию активации переноса заряда и предэкспоненциальный множитель рассчитывали с использованием уравнения аррениусовского типа. Удельное поверхностное сопротивление определяли из соотношения произведения поверхностного сопротивления образца и длины контакта к расстоянию между контактами. Удельную поверхностную электропроводность пленок приняли как обратное число удельного поверхностного сопротивления. Установлено, что удельная электропроводность пленок при температуре 298 К лежит в пределах 10–12–10–5 Ом–1.см–1. Величина электропроводности определяется концентрацией солей марганца в пленках, а также молярным соотношением халькогенидов германия и галлия в стеклообразной сетке связей. При одинаковом составе аморфного материала (пленка или стекло) параметры электропроводности в пределах ошибки не отличаются. Схожесть параметров удельной электропроводности стекол и пленок MnCl2-GeS2-Ga2S3 и MnS-GeS2-Ga2S3 объясняется механизмом растворения стекол в алифатических аминах. Glassy germanium and gallium chalcogenides have a wide range of practical applications. Transparency in the IR region of the spectrum, low sensitivity to impurities, and high chemical stability make these amorphous materials promising for the needs of the electronics industry. Chalcogenide films MnCl2-GeS2-Ga2S3 and MnS-GeS2-Ga2S3 were synthesized from the solutions of chalcogenide glasses in nbutylamine and also the specific electroconductivity of films has been investigated. The deposition of amorphous films was carried out according to the previously developed Baidakov–Shkolnikov method. For the measurements of specific electroconductivity values the AC and DC methods are used. The charge transfer activation energy and the pre-exponential factor were calculated using an Arrheniustype equation. The specific surface resistance was determined from the ratio of the product of the surface resistance of the sample and the contact length to the distance between the contacts. The specific surface electrical conductivity of the films was taken as the reciprocal of the specific surface resistance. With in increase in the manganese salts content in the chloride and sulphide systems an increase the absolute values of the electroconductivity are observed. It was found that germanium and gallium chalcogenides concentration rations in the glass-forming network of bonds are important for conductivity level in films. The electroconductivity of chalcogenide glasses and films of a similar composition practically do not differ. The chalcogenide glasses mechanism of dissolution in aliphatic amines is explained the similar electroconductivity parameters of glasses and films.
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21

Ageev, I. M., Yu M. Rybin, and G. G. Shishkin. "Slow variations of the electroconductivity of distilled water." Moscow University Physics Bulletin 71, no. 6 (November 2016): 556–61. http://dx.doi.org/10.3103/s0027134916050027.

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22

Novikov, Dmitrii, Ludmila Molodkina, Alexander Chusov, and Yurii Vedmetskii. "Electrokinetic and Electroconductivity Properties of Filtering Material Aqualat." Procedia Engineering 117 (2015): 264–72. http://dx.doi.org/10.1016/j.proeng.2015.08.161.

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23

Antipov, A., A. Shagurina, A. Osipov, A. Istratov, I. Skryabin, and S. Arakelian. "Jump electroconductivity in the laser deposited nanoclustered structures." Journal of Physics: Conference Series 793 (January 2017): 012002. http://dx.doi.org/10.1088/1742-6596/793/1/012002.

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24

Alexandrov, I. V., and W. Wei. "Strength and electroconductivity of bulk nanostructured copper alloys." IOP Conference Series: Materials Science and Engineering 672 (November 23, 2019): 012004. http://dx.doi.org/10.1088/1757-899x/672/1/012004.

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25

Vidadi, Yu A., Ya Yu Guseinov, V. E. Bagiev, and T. Yu Rafiev. "Peculiarities of jumping electroconductivity in bismuth oxide films." Physica B: Condensed Matter 173, no. 4 (November 1991): 415–18. http://dx.doi.org/10.1016/0921-4526(91)90473-r.

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26

Chechenin, N. G., P. N. Chernykh, E. A. Vorobyeva, and O. S. Timofeev. "Synthesis and electroconductivity of epoxy/aligned CNTs composites." Applied Surface Science 275 (June 2013): 217–21. http://dx.doi.org/10.1016/j.apsusc.2012.12.162.

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27

Grigorchuk, N. I. "Modulation of Frequency Dependence of a Metal Nanoparticle Electroconductivity." METALLOFIZIKA I NOVEISHIE TEKHNOLOGII 42, no. 7 (September 18, 2020): 929–37. http://dx.doi.org/10.15407/mfint.42.07.0929.

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28

Shvets, Savenko, and Datsko. "THE ELECTROCONDUCTIVITY OF THE LIQUID ALLOYS OF TRANSITION METALS." Condensed Matter Physics 7, no. 2 (2004): 275. http://dx.doi.org/10.5488/cmp.7.2.275.

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29

Sanchez-Bolinchez, A., E. Klyatskina, F. Segovia-Lopez, A. G. Zholnin, and V. V. Stolyarov. "Electroconductivity of Al2O3/graphene nanocomposite processed by SPS technique." IOP Conference Series: Materials Science and Engineering 558 (June 24, 2019): 012040. http://dx.doi.org/10.1088/1757-899x/558/1/012040.

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30

Aksimentyeva, O. I., M. Ya Grytsiv, and O. I. Konopelnyk. "Temperature dependence of electroconductivity and structure of aminocontained polyarilenes." Journal of Physical Studies 6, no. 2 (2002): 180–84. http://dx.doi.org/10.30970/jps.06.180.

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31

Kogan, E. M. "On the theory of electroconductivity of narrow-band antiferromagnetics." Journal of Physics: Condensed Matter 2, no. 50 (December 17, 1990): 10041–44. http://dx.doi.org/10.1088/0953-8984/2/50/008.

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32

Molodets, A. M., V. V. Avdonin, A. N. Zhukov, V. V. Kim, A. YU Osip’yan, N. S. Sidorov, J. M. Shulga, and V. E. Fortov. "Electroconductivity and pressure–temperature states of step shocked C60fullerite." High Pressure Research 27, no. 2 (June 2007): 279–90. http://dx.doi.org/10.1080/08957950701211072.

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33

Levin, V. M., and M. G. Markov. "Electroconductivity of a medium with thin low-resistivity inclusions." Journal of Electrostatics 61, no. 2 (June 2004): 129–45. http://dx.doi.org/10.1016/j.elstat.2004.02.003.

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34

Bozhko, A., A. Ivanov, M. Berrettoni, S. Chudinov, S. Stizza, V. Dorfman, and B. Pypkin. "Electroconductivity of amorphous carbon films containing silicon and tungsten." Diamond and Related Materials 4, no. 4 (April 1995): 488–91. http://dx.doi.org/10.1016/0925-9635(94)05284-0.

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35

Kirin, A. G., and Yu S. Scripnikov. "Radiation-stimulated electroconductivity of thermal modified alumina—silica glass." Ceramics International 18, no. 3 (January 1992): 173–76. http://dx.doi.org/10.1016/0272-8842(92)90092-r.

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36

Sukharev, V. Ya, V. V. Chistyakov, and I. A. Myasnikov. "Percolation electroconductivity of two-component barrier-disordered polycrystalline composites." Journal of Physics and Chemistry of Solids 49, no. 4 (January 1988): 333–38. http://dx.doi.org/10.1016/0022-3697(88)90088-1.

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37

Kirillov, A. D., N. P. Kakurkin, and V. V. Shcherbakov. "Electroconductivity of the calcium oxide-ethylene glycol-water system." Russian Journal of Electrochemistry 43, no. 1 (January 2007): 114–17. http://dx.doi.org/10.1134/s1023193507010168.

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38

Shekhtman, G. Sh, N. B. Smirnov, and E. I. Burmakin. "Electroconductivity of solid solutions in the K4P2O7-Rb4P2O7 system." Russian Journal of Electrochemistry 36, no. 4 (April 2000): 435–37. http://dx.doi.org/10.1007/bf02756953.

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Shekhtman, G. Sh, N. B. Smirnov, and E. I. Burmakin. "Electroconductivity of solid solutions in the K4P2O7-Na4P2O7Rb4P2O7 system." Russian Journal of Electrochemistry 36, no. 4 (April 2000): 438–40. http://dx.doi.org/10.1007/bf02756954.

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40

Zunic, Antonije, Slavica Vukovic, Dragana Sunjka, Sanja Lazic, and Dragana Boskovic. "Impact of water quality on pesticides and fertilizer compatibility." Pesticidi i fitomedicina 36, no. 1 (2021): 35–43. http://dx.doi.org/10.2298/pif2101035z.

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Mixtures of two or more pesticides are very common in contemporary agriculture. However, changes in their efficacy or biological activity, such as synergism and antagonism, phytotoxicity, persistence, toxicity to non-target organisms, may occur as a consequence. This study was conducted in order to evaluate the compatibility of insecticides (cyantraniliprole - Exirel, chlorantraniliprole - Coragen 20 SC), a fungicide (captan - Merpan 50 WP) and a foliar fertilizer (Folia Stim Mix TE), as well their mixtures, in spray liquids, depending on water quality (well water from two locations in Serbia - Mala Remeta and Cerevic). These products are used to control the most significant peach pests, and as an additional source of nutrients. Water analysis (pH, hardness, electroconductivity, chloride, nitrate, nitrite, ammonia, calcium and iron content) and tests of physico-chemical properties of the spray liquids (pH, suspensibility, dispersibility, surface tension, and electroconductivity) were performed in a laboratory experiment according to standard methods. The physico-chemical properties of the liquids changed depending on water quality and components incorporated in the mixture. However, all tested spray liquids showed consistency and compatibility over a period of 24 hours.
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41

Enana Rodophe Olivier, Diabo, Zhong Zheng, Fang Xing, and Jiafeng Tao. "Achieving Mechanical and Conductive Anisotropy in Carbon Nanotubes/Cu Composites." Journal of Physics: Conference Series 2101, no. 1 (November 1, 2021): 012056. http://dx.doi.org/10.1088/1742-6596/2101/1/012056.

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Abstract Cu matrix composites reinforced by Multi-walled Carbon Nanotubes (MWCNTs) were prepared aiming to enhance the mechanical performance of Cu through MWCNTs while preserving its excellent axial conductivity. The microscopic structure, mechanical performance and electroconductivity of the composites were characterized, and the related mechanism was discussed. MWCNTs dispersed uniformly in Cu matrix and arranged in the direction of drawing. The composites showed obvious orthogonal anisotropy. The mechanical properties of the composites increased with the content of MWCNTs. The composite with 10vol.% MWCNTs has the best strength and hardness, which was better than most of data in the literature. However, the highest enhancement efficiency of 3vol.%-MWCNTs/Cu composite was the highest. The main enhancement mechanism was load transmission effects and dislocation. The electroconductivity and thermal conductivity of 5vol.%-MWCNTs/Cu composite parallel to the drawing direction reached the maximum value. The main strengthening mechanism was that Ni-Cu coating on MWCNTs leads to strong interface combination between MWCNTs and Cu, which promotes the electron-phonon coupling and reduces electron or phonon scattering at the interface.
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42

Rocha, Vanessa. "Comparative study on Biochar salt absorption capacity in different saline concentrated solutions." Bionatura 6, no. 4 (November 15, 2021): 2150–55. http://dx.doi.org/10.21931/rb/2021.06.04.3.

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Salt-affected soils are caused by excess accumulation of salts. As soil salinity increases, salt effects can result in the degradation of soils. Previous studies have determined that biochar has the potential to reduce salt stress in soils. In this study, the electroconductive properties of biochar to adsorb salts were investigated in different saline-concentrated solutions. Pelletized, fragmented and powdered biochar were placed in solutions with concentrations of 0, 50, 500, 1000, and 2000 parts per million sodium chloride, respectively. Control treatments consisted of deionized water mixed with salt and no biochar addition. A week after setting the experiment, the electroconductivity measurements were significantly higher relative to the first day. Significant differences were observed among treatments for pelletized, fragmented, and powdered biochar treatments. Increases in electroconductivity values are attributed to ambient temperature changes and differences in particle size. However, pelletized biochar declined in electroconductive values, which is attributed to ions being retained inside the pores of bigger particles. Our study concludes that biochar can adsorb salts at lower sodium chloride concentrations; therefore, it may help mitigate soil salt stress.
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43

Bahov, V. A., E. A. Nazderkin, A. S. Mazinov, and L. D. Pisarenko. "Effect of structural heterogeneity on conductivity semiconductor materials." Electronics and Communications 16, no. 4 (March 31, 2011): 11–14. http://dx.doi.org/10.20535/2312-1807.2011.16.4.242709.

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Complexity in understanding of the processes spotting the electrical properties of structured materials is considered from the side of the quantum representation of aperiodic structure. Determination of each of the view disordered aperiodic matrixes by means of statistical and energy parameters have allowed to describe the temperature dependences of the electroconductivity of the hydrogenated silicon amorphous films
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44

Zivkovic, D., D. Minic, D. Manasijevic, A. Kostov, N. Talijan, Lj Balanovic, A. Mitovski, and Z. Zivkovic. "Thermodynamic analysis and characterization of alloys in Bi-Cu-Sb system." Journal of Mining and Metallurgy, Section B: Metallurgy 46, no. 1 (2010): 105–11. http://dx.doi.org/10.2298/jmmb1001105z.

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The results of thermodynamic analysis and characterization of some alloys in Bi-Cu-Sb lead-free solder system are presented in this paper. Thermodynamic analysis was done using general solution model, while optic microscopy, hardness and electroconductivity measurements were used in order to determine structural, mechanic and electric characteristics of selected samples in section from bismuth corner with molar ratio Cu:Sb=3:7.
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Aryani, Titin. "ANALISIS KUALITAS AIR MINUM DALAM KEMASAN (AMDK) DI YOGYAKARTA DITINJAU DARI PARAMETER FISIKA DAN KIMIA AIR." MEDIA ILMU KESEHATAN 6, no. 1 (November 11, 2019): 46–56. http://dx.doi.org/10.30989/mik.v6i1.178.

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Backgroud: Nowadays, bottled water has become the most substitute water for cooking drinking water. Although bottled water seemed attractive, it is crucial to assess its quality. Objective: This quantitative study aimed to determine the quality of the 5 brands of bottled water circulating in Yogyakarta, in terms of physical parameters (temperature, smell, taste, color, turbidity, and TDS electroconductivity) and chemical parameters of water (pH, the presence of Cl-ions, and the presence of metals such as Cr, Fe, Zn, Cd). Methods: The sampling technique used was purposive sampling. The instrument used to determine the quality of bottled water is the standard of drinking water quality standards. Result: The results showed that five samples of bottled water circulating in Yogyakarta, are all qualified bottled water both in terms of physical parameters (temperature, smell, taste, color, turbidity, electroconductivity, and TDS) and chemical parameters of water (pH , the presence of Cl-ions, and the presence of metals such as Cr, Fe, Zn, Cd). Conclusion: Five samples of bottled water circulating in Yogyakarta were suitable for consumption. Keywords: Bottled water, water analysis, water quality, water chemistry parameters
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46

Shapkin, N. P., I. G. Khalchenko, V. I. Razov, and Vladimir V. Korochentsev. "Electroconducting Nanocomposite of Polyaniline on Based of the Natural Layered Silicate." Materials Science Forum 945 (February 2019): 395–400. http://dx.doi.org/10.4028/www.scientific.net/msf.945.395.

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An electrically conducting polyaniline doped with ferricyanic acid was synthesized by oxidative polymerization of the aniline salt of ferrocyanic acid. Composites based on acidic-modified natural vermiculite, phenylenediamine, and polyaniline doped with ferricyanic acid have been fabricated using the method of molecular layering. The composites structures were studied by the method of X-ray diffraction analysis, while their electroconductivity – by means of impedance spectroscopy.
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47

Gao, Ju, and Yee-Hing Lai. "Narrow bandgap and enhanced electroconductivity in a dihydropyrene–thiophene copolymer." Polymer 50, no. 8 (April 2009): 1830–34. http://dx.doi.org/10.1016/j.polymer.2009.02.019.

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48

Filippov, V. V., and A. N. Vlasov. "Express Methods for Measurement of Electroconductivity of Semiconductor Layered Crystal." Chinese Physics Letters 32, no. 11 (November 2015): 117203. http://dx.doi.org/10.1088/0256-307x/32/11/117203.

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Abramova, Ludmila A., Serguei P. Baranov, and Alexander A. Dulov. "Probing the Catalyst Structure by Electroconductivity using Computer Simulation Analysis." Mendeleev Communications 5, no. 4 (January 1995): 150–51. http://dx.doi.org/10.1070/mc1995v005n04abeh000501.

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Shvetsov, G. A., and S. V. Stankevich. "Ultimate kinematic characteristics of armatures with orthotropic and anisotropic electroconductivity." IEEE Transactions on Magnetics 33, no. 1 (1997): 266–71. http://dx.doi.org/10.1109/20.559967.

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