Search Results - "Koval', A. V."

Peculiarities of Formation of Phase and Elemental Composition during Electrospark Alloying Using a Manual High-Frequency Vibrator by Koval’, A. V.

“…The phase and elemental compositions of electrospark coatings of nickel and titanium deposited on steel, nickel, and titanium, that is, coatings from TiNiMo-20…”
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Numerical simulation of stratospheric QBO impact on the planetary waves up to the thermosphere by Koval, A. V., Gavrilov, N. M., Kandieva, K. K., Ermakova, T. S., Didenko, K. A.

“…With the help of numerical simulation, a detailed analysis of the dynamical effect of the stratospheric quasi-biennial oscillation (QBO) of the equatorial…”
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Corrosion and Electrochemical Properties of Alloys of Ni–Re Systems Alloyed with Zirconium, Hafnium, Tungsten, and Palladium by Parshutin, V. V., Paramonov, A. M., Koval’, A. V.

“…The comparative corrosion resistance and electrochemical behavior in acidic, alkaline, and neutral media of both pure metals and the Ni–Re alloys doped with…”
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Effect of Heteronuclear Salicylate Complex {[FeSr2(SalH)2(Sal)2(NO3)(DMA)4]}n on Corrosion of Steel St. 3 in Water by Parshutin, V. V., Koval’, A. V., Gorinchoi, V. V., Lozan, V. I.

“…The corrosion process of steel St. 3 in water with the addition of a heteronuclear salicylate complex {[FeSr 2 (SalH) 2 (Sal) 2 (NO 3 )(DMA) 4 ]} n by…”
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Parameterization of mesoscale stationary orographic wave forcing for use in numerical models of atmospheric dynamics by Gavrilov, N. M., Koval, A. V.

“…Polarization relations for mesoscale stationary orographic waves (MSOWs) and formulas for calculating vertical profiles of the total vertical flux of wave…”
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Verifications of the high-resolution numerical model and polarization relations of atmospheric acoustic-gravity waves by Gavrilov, N. M, Kshevetskii, S. P, Koval, A. V

“…Comparisons of amplitudes of wave variations of atmospheric characteristics obtained using direct numerical simulation models with polarization relations given…”
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Deformation Phenomena in the Collapse of Metallic Cylindrical Shells. Buckling by Zel’dovich, V. I., Frolova, N. Yu, Kheifets, A. E., Khomskaya, I. V., Degtyarev, A. A., Shorokhov, E. V., Smirnov, E. B., Dolgikh, S. M., Koval’, A. V.

“…The structural mechanisms of buckling and the deformation behavior of copper and steel cylindrical shells (pipes) during collapse under the action of an…”
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Structural Transformations in Aluminum Cylindrical Shells under Dynamic Loading by Koval’, A. V., Shirinkina, I. G., Petrova, A. N., Brodova, I. G., Smirnov, E. B., Shorokhov, E. V.

“…This paper describes the structural studies of hollow cylindrical shells made of D16 and Al-Mn aluminum alloys, loaded by sliding detonation. Explosive loading…”
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Validating the Goldstein-Wehner Law for the Stratified Positive Column of DC Discharge in an Undergraduate Laboratory by Lisovskiy, V. A, Koval, V. A, Artushenko, E. P, Yegorenkov, V. D

“…In this paper we suggest a simple technique for validating the Goldstein-Wehner law for a stratified positive column of dc glow discharge while studying the…”
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Influence of the Space Orientation of Joints in the Process of Welding on the Strength and Cyclic Crack Resistance of Welded Joints by Labur, T. M., Ostash, O. P., Holovatyuk, Yu. V., Uchanin, V. M., Yavors’ka, M. R., Pashulya, M. P., Koval’, V. A., Shynkarenko, V. S.

“…We study the regularities of influence of the space orientation of a joint (at angles of 0, 30°, 45°, and 90° to the horizontal plane) for different rates of…”
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Study of Corrosion Behavior of Coatings Produced on Steel with Electrospark Alloying Using a Hand High-Frequency Vibrator by Koval’, A. V.

“…The comparative corrosion resistance in acidic, alkaline, and neutral environments of pure metals (steel, nickel, titanium) and of nickel and titanium coatings…”
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Corrosion properties of electroplated coatings of iron-group metals by Sidel’nikova, S. P., Parshutin, V. V., Volodina, G. F., Chernyshova, N. V., Koval’, A. V.

“…Comparative corrosion resistance of cobalt alloys with molybdenum and phosphorus was studied. It is shown that the corrosion parameters of the alloys depend on…”
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Numerical simulation of the response of general circulation of the middle atmosphere to spatial inhomogeneities of orographic waves by Gavrilov, N. M., Koval’, A. V., Pogorel’tsev, A. I., Savenkova, E. N.

“…We have developed a parameterization of the dynamical and thermal effects of stationary orographic waves (SOWs) generated by the earth’s surface topography and…”
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Influence of Solar Activity on Penetration of Traveling Planetary‐Scale Waves From the Troposphere Into the Thermosphere by Koval, A. V., Gavrilov, N. M., Pogoreltsev, A. I., Shevchuk, N. O.

“…In this study, numerical simulations of planetary‐scale waves (PSWs), generated in the troposphere, were performed for altitudes from the Earth's surface up to…”
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Trends of the Vertical Component of the Wave Activity Flux in the Northern Hemisphere by Didenko, K. A., Ermakova, T. S., Koval, A. V., Savenkova, E. N.

“…Long-term trends of the three-dimensional Plumb wave activity flux are studied using data from the JRA-55 global atmospheric reanalysis. The vertical component…”
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Reactions of the Middle Atmosphere Circulation and Stationary Planetary Waves on the Solar Activity Effects in the Thermosphere by Koval, A.V., Gavrilov, N.M., Pogoreltsev, A.I., Shevchuk, N.O.

“…Using numerical simulations of the general atmospheric circulation during boreal winter, statistically confident evidences are obtained for the first time,…”
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Anti-leprosy drug clofazimine inhibits growth of triple-negative breast cancer cells via inhibition of canonical Wnt signaling by Koval, A.V., Vlasov, P., Shichkova, P., Khunderyakova, S., Markov, Y., Panchenko, J., Volodina, A., Kondrashov, F.A., Katanaev, V.L.

“…Research on existing drugs often discovers novel mechanisms of their action and leads to the expansion of their therapeutic scope and subsequent remarketing…”
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Synthesis of discrete controller for construction of a distributed controller of temperature conditions of steam oil heater by Koval’, V. A., Osenin, V. N., Suyatinov, S. I., Torgashova, O. Yu

“…A discrete controller for the thermal conditions of a distributed plant—a stream oil heater—is synthesized based on the spectral method and properties of…”
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New methods of the improvement of metal corrosion resistance through surface impregnation with anode electrolyte heating by Parshutin, V. V., Pasinkovskii, E. A., Paramonov, A. M., Koval’, A. V., Chernysheva, N. V.

“…It is shown that the use of the electrolyte composition developed in this work allows one to reduce by almost twice the carbon content in the surface layer of…”
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Modeling Residual Meridional Circulation at Different Phases of the Quasi-Biennial Oscillation by Koval, A. V., Gavrilov, N. M., Pogoreltsev, A. I., Efimov, M. M.

“…The sensitivity of the residual meridional circulation (RMC) in the middle and upper atmosphere to the phase change of the quasi-biennial oscillation (QBO) of…”
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