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排序方式: 共有226条查询结果,搜索用时 15 毫秒
1.
Avramenko Andriy A. Shevchuk Igor V. Dmitrenko Nataliia P. Skitsko Ivan F. 《Journal of Thermal Analysis and Calorimetry》2022,147(22):12709-12719
Journal of Thermal Analysis and Calorimetry - The paper focuses on the analytical analysis of the propagation of a normal shock wave in an adiabatic gas flow with nanoparticles. A modified... 相似文献
2.
Technical Physics - The structures of carbon nanotubes synthesized by catalytic CVD in the same reactor using different carbon-containing precursors and a FeCl3 catalyst have been compared. Methane... 相似文献
3.
Possible causes of the occurrence of radioactive contamination irremovable by acid–base regeneration of ion-exchange resins used in treatment of process media and liquid radioactive waste have been studied. It has been found that most of the irremovable cesium radionuclides are bound to inorganic deposits on the surface and in the bulk of ion-exchange resin granules. The nature of inorganic inclusions has been investigated on real and model spent ion-exchange resins (SIER). A method has been proposed for decontaminating SIER using resorcinol–formaldehyde resins selective to cesium radionuclides. Such an approach has been shown to be promising for deep decontamination of SIER. 相似文献
4.
The paper presents a solution to the problem of thermal conduction and thermoelasticity for a thin shallow spherical shell
heated by a concentrated or local impulsive heat source moving over the shell surface. It is assumed that temperature is linearly
distributed across the shell thickness and that the shell, on its sides, exchanges heat with the environment in accordance
with Newton’s law of cooling. The Fourier and Laplace transforms are used to find an analytic solution. The dependence of
the temperature field and stress/strain components on the type of heating and the form of heat source is studied
__________
Translated from Prikladnaya Mekhanika, Vol. 42, No. 11, pp. 85–92, November 2006. 相似文献
5.
Igor Selezov Olga Avramenko Christian Kharif Karsten Trulsen 《Comptes Rendus Mecanique》2003,331(3):197-201
The nonlinear problem for propagation of wave-packets along the interface of two semi-infinite fluids is solved on the basis of multiple scale asymptotic expansions. Unlike all previous investigations dealing only with third-order approximations, here fourth-order approximation is developed. The corresponding solvability condition is obtained and the evolution equation in the case away from the cut-off wave number is derived. As a result, the nonlinear higher-order Schrödinger equation is obtained which contains the nonlinear part in a compact form. This equation is valid for a wide range of wave numbers. The stability diagram shows regions of stability and instability of capillary-gravity wave-packets. To cite this article: I. Selezov et al., C. R. Mecanique 331 (2003). 相似文献
6.
7.
Physics of the Solid State - The design of cantilevers and microelectromechanical systems based on carbon nanotubes necessitates a thorough study of their thermal fluctuations and resonance... 相似文献
8.
Avramenko A. A. Kovetska Y. Y. Shevchuk I. V. Tyrinov A. I. Shevchuk V. I. 《Transport in Porous Media》2019,129(3):673-699
Transport in Porous Media - The paper presents results of a study of forced convection in a vertical flat and circular microchannels incorporating porous medium under slip boundary conditions of... 相似文献
9.
E. S. Tkachenko A. I. Druzhinina N. V. Avramenko R. M. Varushchenko A. L. Emelina I. A. Nesterov T. N. Nesterova 《Moscow University Chemistry Bulletin》2011,66(5):282-289
The heat capacity of 4,4′-dinitrodiphenyl ether and 4-nitro-4′-biphenylcarboxylic acid were measured by adiabatic calorimetry
(AC) in temperature ranges of 8–372 K and 10–372 K, respectively. The heat capacity of 4,4′-dinitrodiphenyl ether in the temperature
range 323–500 K, the thermodynamic properties of fusion, and the purity of the ether were measured by differential scanning
calorimetry (DSC). The main thermodynamic functions in the temperature range 5–370 K were calculated for both compounds using
the heat capacities of adiabatic calorimetry. Related thermodynamic functions of 4,4′-dinitrodiphenyl ether in the temperature
range 370–500 K were calculated on the basis of DSC data. 相似文献
10.
V. V. Zheleznov V. A. Avramenko V. I. Kostin A. A. Kovshun A. V. Voit S. V. Sukhoverkhov 《Russian Journal of Applied Chemistry》2010,83(1):50-53
Catalytic thermal destruction of ethylenediaminetetraacetic acid and its complexes with nickel, iron, and cobalt in nitrate
solutions on carbon materials (activated unwoven material, sibunite, and BAU–A activated carbon) was studied. The activation
energies of thermal destruction were calculated. 相似文献