Littérature scientifique sur le sujet « 541.2/4 »
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Articles de revues sur le sujet "541.2/4"
Sansur, Charles A., Nicholas M. Caffes, David M. Ibrahimi, Nathan L. Pratt, Evan M. Lewis, Ashley A. Murgatroyd et Bryan W. Cunningham. « Biomechanical fixation properties of cortical versus transpedicular screws in the osteoporotic lumbar spine : an in vitro human cadaveric model ». Journal of Neurosurgery : Spine 25, no 4 (octobre 2016) : 467–76. http://dx.doi.org/10.3171/2016.2.spine151046.
Texte intégralYan, Wei-Hong, et Wan-Yao Chen. « Crystal structure of 1,1′-(1,2-ethanediyl)bis(pyridin-1-ium) bis(1,2-dicyanoethene-1,2-dithiolato-κ2 S :S)nickel(II), C20H14N6NiS4 ». Zeitschrift für Kristallographie - New Crystal Structures 237, no 2 (31 janvier 2022) : 235–36. http://dx.doi.org/10.1515/ncrs-2021-0433.
Texte intégralSilva, Evandro Manoel da, Reginaldo Gomes Nobre, Leandro De Pádua Souza, Francisco Wesley Alves Pinheiro, Geovani Soares de Lima, Hans Raj Gheyi et Luana Lucas de Sá Almeida. « Physiology of ‘Paluma’ guava under irrigation with saline water and nitrogen fertilization ». Semina : Ciências Agrárias 38, no 2 (2 mai 2017) : 623. http://dx.doi.org/10.5433/1679-0359.2017v38n2p623.
Texte intégralLu, Liping, et Xiyan Zhang. « Optimization of the low temperature combustion synthesis of Er3+ doped lead–natrium–yttrium–fluoride phosphor ». Functional Materials Letters 07, no 01 (février 2014) : 1450004. http://dx.doi.org/10.1142/s1793604714500040.
Texte intégralFan, Xiao-Man, Jia-Ying Huang, Xiao-Min Ling, Wei Wei, Wen-Bin Su et Ye-Wang Zhang. « A Highly Active Chondroitin Sulfate Lyase ABC for Enzymatic Depolymerization of Chondroitin Sulfate ». Polymers 14, no 9 (27 avril 2022) : 1770. http://dx.doi.org/10.3390/polym14091770.
Texte intégralEmmerling, Franziska, et Caroline Röhr. « Die neuen Oxoarsenate(III) AAsO2 (A = Na, K, Rb) und Cs3As5O9. Darstellung, Kristallstrukturen und Raman-Spektren / The New Oxoarsenates(III) AAsO2 (A = Na, K, Rb) and Cs3As5O9. Synthesis, Crystal Structures and Raman Spectra ». Zeitschrift für Naturforschung B 58, no 7 (1 juillet 2003) : 620–26. http://dx.doi.org/10.1515/znb-2003-0704.
Texte intégralBoalch, Gerald T. « MARY PARKE (1908–1989) ». Phycologia 29, no 4 (décembre 1990) : 541–42. http://dx.doi.org/10.2216/i0031-8884-29-4-541.1.
Texte intégralMartinez, Maria, Monica Ausejo, J. Luis Miguel, M. Luisa Gonzalez, Gloria Balaguer, Pilar Catalan et Rafael Selgas. « Comparative Study between Intact PTH and Fragments of PTH in Patients on Hemodialysis and CAPD ». Peritoneal Dialysis International : Journal of the International Society for Peritoneal Dialysis 11, no 2 (avril 1991) : 137–40. http://dx.doi.org/10.1177/089686089101100207.
Texte intégralZheng, Hao. « Analysis of Aroma Components of Enzymatic Hydrolysis Products of Oak Lignin from Different Producing Areas ». International Journal of Natural Resources and Environmental Studies 2, no 2 (25 avril 2024) : 12–23. http://dx.doi.org/10.62051/ijnres.v2n2.02.
Texte intégralSouza, Leandro de P., Reginaldo G. Nobre, Evandro M. da Silva, Geovani S. de Lima, Francisco W. A. Pinheiro et Luana L. de S. Almeida. « Formation of ‘Crioula’ guava rootstock under saline water irrigation and nitrogen doses ». Revista Brasileira de Engenharia Agrícola e Ambiental 20, no 8 (août 2016) : 739–45. http://dx.doi.org/10.1590/1807-1929/agriambi.v20n8p739-745.
Texte intégralThèses sur le sujet "541.2/4"
Clarke, Philip. « A study of cryptate complexes and pendant arm ligand complexes / ». Title page, contents and abstract only, 1992. http://web4.library.adelaide.edu.au/theses/09PH/09phc5988.pdf.
Texte intégralPadfield, J. « An experimental and theoretical study of the solvatochromism of 4-pyridiniophanolate dyes ». Thesis, Swansea University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.638391.
Texte intégralRen, Jinlei. « Elaboration et caractérisation de monocristaux de borate pour la conversion de fréquence laser dans le domaine UV ». Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066060/document.
Texte intégralCalcium fluoroborate Ca5(BO3)3F (CBF) and yttrium aluminum borate YAl3(BO3)4 were studied respectively for 3rd and 4th harmonic generation of near infrared laser as Nd:YAG laser emitting at 1064 nm. In order to improve the crystalline quality of CBF, solid state reaction parameters and crystal growth conditions by using Czochralski furnace were investigated. Thermal acceptances for second harmonic generation at 1064 nm for type I and II were determined. 131,4 µJ energy at 355 nm was obtained by 3rd harmonic generation, corresponding to a conversion efficiency of 6,1%. When it came to YAB, LaB3O6 based flux was investigated for its crystal growth by TSSG method: centimeter size, inclusion and crack free crystals were obtained. Structural defects of crystals (striations, twins etc.) were analyzed. Furthermore, carbothermal reduction investigation was carried out to limit iron pollution in crystals. Eventually 163 µJ at 266 nm were obtained by frequency doubling from 532 nm to 266 nm, corresponding to a conversion efficiency of 14,7%
Ren, Jinlei. « Elaboration et caractérisation de monocristaux de borate pour la conversion de fréquence laser dans le domaine UV ». Electronic Thesis or Diss., Paris 6, 2017. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2017PA066060.pdf.
Texte intégralCalcium fluoroborate Ca5(BO3)3F (CBF) and yttrium aluminum borate YAl3(BO3)4 were studied respectively for 3rd and 4th harmonic generation of near infrared laser as Nd:YAG laser emitting at 1064 nm. In order to improve the crystalline quality of CBF, solid state reaction parameters and crystal growth conditions by using Czochralski furnace were investigated. Thermal acceptances for second harmonic generation at 1064 nm for type I and II were determined. 131,4 µJ energy at 355 nm was obtained by 3rd harmonic generation, corresponding to a conversion efficiency of 6,1%. When it came to YAB, LaB3O6 based flux was investigated for its crystal growth by TSSG method: centimeter size, inclusion and crack free crystals were obtained. Structural defects of crystals (striations, twins etc.) were analyzed. Furthermore, carbothermal reduction investigation was carried out to limit iron pollution in crystals. Eventually 163 µJ at 266 nm were obtained by frequency doubling from 532 nm to 266 nm, corresponding to a conversion efficiency of 14,7%
Jewula, Pawel. « Synthèse et étude de ligands hydroxamates cycliques dérivés des sidérophores naturels pour la complexation sélective des actinides ». Thesis, Dijon, 2013. http://www.theses.fr/2013DIJOS038.
Texte intégralThe goal of this research was the synthesis and spectroscopic, structural andphysical-chemical characterization of cyclic 6- and 7-membered hydroxamicacids, a tetrahydroxamic calix[4]arene-based tetrapodal receptor, and their metalcomplexes with trivalent and tetravalent metal cations. They were characterizedby several techniques such as 1H and 13C NMR, IR, and mass spectroscopies,single crystal X-ray analysis, and potentiometry. Cyclic hydroxamic acids arefound in a few mix siderophores but their coordination properties were stillunknown. The structural features of metal complexes formed with Fe(III),Ga(III), Ce(IV), Zr(IV), Hf(IV), U(IV) and U(VI) have been investigated both inthe solid state and in solution. The synthesis and complexation studies of anoriginal calix[4]arene-based tetrapodal receptor is described. Reactionparameters for all key steps in the synthetic route have been optimized. Thesingle X-ray crystal analysis of benzyl-protected receptor was obtained.Complexation studies with zirconium(IV) and hafnium(IV) evidenced theformation of two metal two ligand complexes rather than 1:1 species, whichwere shown to interact in solution with a third alkali cation
Ternova, Dariia. « Malonamide, phosphine oxide and calix[4]arene functionalized ionic liquids : synthesis and extraction of actinides and lanthanides ». Thesis, Strasbourg, 2014. http://www.theses.fr/2014STRAE041/document.
Texte intégralRadioactive waste treatment is a crucial problem nowedays. This work was dedicated to the development of the new extracting systems for radionuclides on the basis of "green" solvents Ionic Liquids {Ils). For this purpose Ils were functionalized with various extracting patterns: phosphine oxide, carbamoyl phosphine oxide groups and malonamide fragment. Also the calix[4]arene platforms were used for the synthesis of functionalized ionic liquids (Fils) and their precursors. The Fils of both types cationic and anionic have been obtained. The synthesized Fils were tested for the liquid-liquid extraction of radionuclides. lt was found that extraction well occurs due to the extracting patterns, however a charge of a modified ion influences extraction.The various extracting experiments and mathematical modelling have been performed to determine the mechanisms of extraction. These studies showed that each extracting system is characterized by a different set of extracting equilibria, based mostly on cationic exchange
Clarke, Philip. « A study of cryptate complexes and pendant arm ligand complexes / by Philip Clarke ». Thesis, 1992. http://hdl.handle.net/2440/19813.
Texte intégralIncludes bibliographies
x, 157, A.xxxi : ill ; 30 cm.
Summary: Studies the complexation of various monovalent metal ions by the diaza-crown ether C21 and the cryptands, C211 and C22C5 to form cryptates in various solvents, and investigates the kinetics for the interaction of the pendant arm ligand 1,4,8,11-tetrakis (2-hydroxyethyl)-1,4,8,11-tetraazacyclotetradecane (THEC) with the divalent metal ions Cd2+, Hg2+ and Pb2
Thesis (Ph.D.)--University of Adelaide, Dept. of Physical and Inorganic Chemistry, 1993
Livres sur le sujet "541.2/4"
Atomic Structure and Periodicity. Royal Society of Chemistry, The, 2013.
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