Zobrazeno 1 - 10
of 102
pro vyhledávání: '"E A Tsvetova"'
Publikováno v:
Industrial laboratory. Diagnostics of materials. 88:36-42
The X-ray technique used in the quality control of soldered joints of injectors with fuel manifold tubes of gas turbine engines (GTE) has a number of limitations and drawbacks. The detectability of flat flaws, e.g., dry solders, strongly depends on t
Autor:
E. S. Severgina, R. N. Rumyantsev, A. E. Kolobkova, V. Yu. Prokof’ev, E. V. Tsvetova, E. E. Afanas’eva, N. E. Gordina, T. N. Borisova
Publikováno v:
Petroleum Chemistry. 61:292-298
Zeolite membranes were synthesized using metakaolin, sodium hydroxide, and alumina with 6Al2Si2O7 : 12NaOH : 2Al2O3 molar ratio as raw ingredients. For this purpose, a combined approach was employed which involved ultrasonic processing of the initial
Autor:
N. E. Gordina, O. N. Zakharov, T. N. Borisova, E. V. Tsvetova, V. Yu. Prokof’ev, A. E. Kolobkova
Publikováno v:
Petroleum Chemistry. 60:550-556
Granular LTA and SOD zeolites have been synthesized, characterized, and further used to study the kinetics of water adsorption and desorption. It has been shown that LTA zeolite in a static mode provides adsorption of water vapor at the level of ~30
Autor:
V. V. Blinov, V. G. Ivanov, R. Yu. Gnatovskii, Valery V. Kozlov, N. G. Granin, I. B. Mizandrontsev, K. M. Kucher, A. A. Zhdanov, E. A. Tsvetova, I.A. Aslamov
Publikováno v:
Russian Geology and Geophysics. 59:1514-1525
Hydrophysical studies and mathematical modeling of ring structures during ice cover on Lake Baikal have shown that their existence at the stage of ice cover degradation is due to anticyclonic currents. Such currents can be generated as a result of lo
Autor:
E. A. Tsvetova
Publikováno v:
Ecology. Economy. Informatics. System analysis and mathematical modeling of ecological and economic systems. 1:98-103
Autor:
V. V. Penenko, E. A. Tsvetova
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 386:012036
This paper presents a description of algorithms for solving direct and inverse climatic and environmental problems based on a variational principle with weak constraints. The initial first-order system is supplemented by a system of equations in vari
Publikováno v:
Doklady Earth Sciences. 461:316-320
This work presents the results of complex analysis of the field data and of mathematical modeling of the ice ring structure more than 4 km across, which was identified by the space images of South Baikal in April 2009. The measurements revealed that
Autor:
E A Tsvetova
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 211:012024
Autor:
E. A. Tsvetova, V. V. Penenko
Publikováno v:
Numerical Analysis and Applications. 6:210-220
A new method of constructing efficient monotone numerical schemes for solving direct, adjoint, and inverse atmospheric chemistry problems is presented. It is a synthesis of variational principles combined with splitting and decomposition methods and