Academic literature on the topic '541.2/4'
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Journal articles on the topic "541.2/4"
Sansur, Charles A., Nicholas M. Caffes, David M. Ibrahimi, Nathan L. Pratt, Evan M. Lewis, Ashley A. Murgatroyd, and 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 (October 2016): 467–76. http://dx.doi.org/10.3171/2016.2.spine151046.
Full textYan, Wei-Hong, and 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 (January 31, 2022): 235–36. http://dx.doi.org/10.1515/ncrs-2021-0433.
Full textSilva, Evandro Manoel da, Reginaldo Gomes Nobre, Leandro De Pádua Souza, Francisco Wesley Alves Pinheiro, Geovani Soares de Lima, Hans Raj Gheyi, and Luana Lucas de Sá Almeida. "Physiology of ‘Paluma’ guava under irrigation with saline water and nitrogen fertilization." Semina: Ciências Agrárias 38, no. 2 (May 2, 2017): 623. http://dx.doi.org/10.5433/1679-0359.2017v38n2p623.
Full textLu, Liping, and Xiyan Zhang. "Optimization of the low temperature combustion synthesis of Er3+ doped lead–natrium–yttrium–fluoride phosphor." Functional Materials Letters 07, no. 01 (February 2014): 1450004. http://dx.doi.org/10.1142/s1793604714500040.
Full textFan, Xiao-Man, Jia-Ying Huang, Xiao-Min Ling, Wei Wei, Wen-Bin Su, and Ye-Wang Zhang. "A Highly Active Chondroitin Sulfate Lyase ABC for Enzymatic Depolymerization of Chondroitin Sulfate." Polymers 14, no. 9 (April 27, 2022): 1770. http://dx.doi.org/10.3390/polym14091770.
Full textEmmerling, Franziska, and 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 (July 1, 2003): 620–26. http://dx.doi.org/10.1515/znb-2003-0704.
Full textBoalch, Gerald T. "MARY PARKE (1908–1989)." Phycologia 29, no. 4 (December 1990): 541–42. http://dx.doi.org/10.2216/i0031-8884-29-4-541.1.
Full textMartinez, Maria, Monica Ausejo, J. Luis Miguel, M. Luisa Gonzalez, Gloria Balaguer, Pilar Catalan, and 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 (April 1991): 137–40. http://dx.doi.org/10.1177/089686089101100207.
Full textZheng, 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 (April 25, 2024): 12–23. http://dx.doi.org/10.62051/ijnres.v2n2.02.
Full textSouza, Leandro de P., Reginaldo G. Nobre, Evandro M. da Silva, Geovani S. de Lima, Francisco W. A. Pinheiro, and 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 (August 2016): 739–45. http://dx.doi.org/10.1590/1807-1929/agriambi.v20n8p739-745.
Full textDissertations / Theses on the topic "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.
Full textPadfield, 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.
Full textRen, 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.
Full textCalcium 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.
Full textCalcium 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.
Full textThe 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.
Full textRadioactive 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.
Full textIncludes 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
Books on the topic "541.2/4"
Atomic Structure and Periodicity. Royal Society of Chemistry, The, 2013.
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