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81.
Russian Chemical Bulletin - 相似文献
82.
Variational inequalities, connected with quasilinear elliptic systems with a diagonal principal part and a quadratic growth along the gradient, are considered. On the boundary of the domain convex constraints are imposed on the solution. The Hölder continuity of the solution up to the boundary of the domain is proved.Translated from Zapiski Nauchnykh Seminarov Leningradskogo Otdeleniya Matematicheskogo Instituta im. V. A. Steklova AN SSSR, Vol. 163, pp. 5–16, 1987. 相似文献
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Vadim Ermolaev Vasiliy Miluykov Daria Arkhipova Elena Zvereva Oleg Sinyashin 《Phosphorus, sulfur, and silicon and the related elements》2013,188(1-3):168-170
Abstract The phosphonium salts with sterically hindered cation and noncoordinating anion can be used as phase-transfer reagent in the Sonogashira cross-coupling reaction allowing copper- and amine-free protocol. The reactions proceed under mild conditions with good yields. 相似文献
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N.?V.?Arkhipova A.?M.?MikhailovaEmail author Yu.?V.?Seryanov 《Russian Journal of Electrochemistry》2005,41(6):593-597
Transition processes in direct-contact systems Li/Sb2S3 and Li/Sb2S5 are studied. As shown by potentiodynamic voltammetry, an Li3SbS3 interphase is the most probable product of the cathodic reduction at direct-contact interfaces. At certain polarizations and current densities, under potentiodynamic and galvanostatic conditions, the main current-producing processes that lead to the formation of the Li3SbS3 interphase compete with passivating cathodic reactions which occur via the mechanism of monolayer adsorption and result in the formation of an Li2S product which blocks grains of the lithium thiostibnite interphase. Effective transfer coefficients of passivating reactions are twice those of the main current-producing cathodic reactions.__________Translated from Elektrokhimiya, Vol. 41, No. 6, 2005, pp. 675–679.Original Russian Text Copyright © 2005 by Arkhipova, Mikhailova, Seryanov.Published on the basis of a contribution delivered at the VII Meeting on Fundamental Problems in Solid-State Ionics (Chernogolovka-2004). 相似文献
89.
P. Berlin M. Kreisler S. F. Arkhipova G. M. Lipkind E. M. Popov 《Chemistry of Natural Compounds》1977,12(3):323-328
Summary 1. All the conformational states of the methylamide of N-acetyl-L-histidine have been calculated.2. It has been shown that in the case of the tautomer of the imidazole ring with a hydrogen atom on the
atom, form R of the main chain is preferred, and in the tautomer with the proton on
and also in the protonated state of the side chain B forms are preferred.3. The conformational equilibrium is displaced in the direction of form I.M. M. Shemyakin Institute of Biochemistry, Academy of Sciences of the USSR, Moscow. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 371–378, May–June, 1976. 相似文献
90.
Arkhipova N. V. Leont'eva L. D. Mikhailova A. M. 《Russian Journal of Electrochemistry》2003,39(5):528-530
The electroconductivity of lithium-containing solid electrolyte Li2S–Sb2S3is studied. At room temperature it equals (1.5–2.5) × 10–4 S cm–1. The activation energy for conduction, determined from the temperature dependence of the electroconductivity, is 0.35–0.43 eV. 相似文献