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21.
E. B. Yarovaya 《Theoretical and Mathematical Physics》1991,88(1):690-694
Moscow State University. Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 88, No. 1, pp. 25–30, July, 1991. 相似文献
22.
Kseniya S. Kovaleva Olga I. Yarovaya Dmitriy S. Fadeev Nariman F. Salakhutdinov 《Tetrahedron letters》2017,58(19):1868-1870
The three-component condensation reaction of primary amines, formaldehyde and 2-mercaptoethanol using salts of transition and rare earth metals as catalysts was developed to obtain a new 7-membered heterocyclic structural building block, 1,5,3-oxathiazepanes, in good to excellent yields. The structure of the heterocyclic fragment was confirmed by NMR spectroscopy. 相似文献
23.
V. S. Rudnev M. S. Vasil’eva T. P. Yarovaya I. V. Malyshev 《Russian Journal of Applied Chemistry》2011,84(12):2040-2045
The influence of air annealing at 800, 850, and 900°C on the composition and structure of the surface of Ni,Cu- and Ce,Zr-containing
oxide structures on titanium, formed by the plasma-electrolytic oxidation technique, was examined. 相似文献
24.
Feng Yaqin Molchanov Stanislav Yarovaya Elena 《Methodology and Computing in Applied Probability》2021,23(1):207-218
Methodology and Computing in Applied Probability - We consider the time evolution of a lattice branching random walk with local perturbations. Under certain conditions, we prove the Carleman type... 相似文献
25.
É. I. Starovoitov D. V. Leonenko A. V. Yarovaya 《International Applied Mechanics》2003,39(12):1458-1463
The paper studies axisymmetric resonance vibrations of an elastic circular sandwich plate under local periodic surface loads of rectangular, sinusoidal, and parabolic forms. The hypotheses of broken normal are used to describe the kinematics of the plate, which is asymmetric in thickness. The core is assumed to be light. The initial–boundary-value problems are solved analytically. The solutions are analyzed 相似文献
26.
A. I. Belyaeva S. N. Marushko A. P. Silka V. I. Khramtsova R. G. Yarovaya 《Journal of Applied Spectroscopy》1990,52(4):436-439
Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 52, No. 4, pp. 649–654, April, 1990. 相似文献
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28.
L. F. Kosyanchuk N. V. Babkina N. V. Yarovaya N. V. Kozak Yu. S. Lipatov 《Polymer Science Series A》2008,50(4):434-443
Phase separation that occurs during formation of semi-interpenetrating polymer networks of various compositions based on crosslinked poly(urethane) and linear poly(methyl methacrylate) containing 1 wt % iron, copper, and chromium chelates has been studied by the methods of DSC and DMA. It has been shown that, in contrast to chromium chelates, the incorporation of iron and copper β-diketonates into the semi-interpenetrating polymer networks (PU : PMMA = 50 : 50) causes retardation of phase separation owing to high rates of poly(urethane) and poly(methyl methacrylate) formation and the appearance of chelate complexes with both blend components at the interface. A more complete phase separation in metal-containing semi-interpenetrating polymer networks (PU : PMMA = 70 : 30) is associated with the fact that chemical kinetics and complexation processes act in opposite directions. The latter processes prevail, and the influence of the type of metal ion in a chelate that predominantly interacts with PU in the blend is diminished. 相似文献
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30.
V. S. Rudnev M. A. Medkov T. P. Yarovaya N. I. Steblevskaya P. M. Nedovzorov M. V. Belobeletskaya 《Russian Journal of Applied Chemistry》2012,85(4):621-628
Elemental composition and morphology of oxide coatings formed on stainless steel, nickel alloy (nonvalve metals), and titanium (valve metal) by plasma-electrolytic method combined with the extraction-pyrolytic technique are reported. It is shown that combination of these methods is promising for obtaining oxide coatings with a complex chemical composition and various physicochemical properties. 相似文献