Zobrazeno 1 - 10 of 19 pro vyhledávání: '"A. I. Mart'yanov"'
1
Interferometer study of the turbulent flow by noise-signal sounding
Autor: M. Nechaeva, V. G. Gavrilenko, P. N. V’yugin, L. M. Kustov, A. I. Mart’yanov
Publikováno v: Radiophysics and Quantum Electronics. 50:87-94
We consider the interferometer method by which a turbulent water flow is remotely studied by sounding with a noise ultrasound signal. It is shown that the processing of signals received by two spatially separated receivers makes it possible to extrac
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b645e12313cd6ee83c86f8181f8898f7
https://doi.org/10.1007/s11141-007-0008-x
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3
Hydropower equipment of the Zagorsk pumped-storage station: Design features and operating experience
Autor: S. I. Mart’yanov, A. P. Kuleshov, V. I. Magruk, V. G. Rodionov, M. M. Cherepanov, S. A. Khutoryanskii
Publikováno v: Hydrotechnical Construction. 30:184-191
1. The experience of operating the RONT-115/812-V-630 pump-turbines at the Zagorsk PSS mainly confirmed the correctness of the design decisions made. 2. When designing new PSSs it is necessary to provide for the installation of turbine gates with a f
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::287bbb8ff7e05ca7b014df453e065231
https://doi.org/10.1007/bf02443073
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4
Some problems and characteristics of processing caprolactam into fibres caused by its quality
Autor: V. I. Ul'yantseva, S. F. Andreichenko, M. V. Vasil'eva, A. I. Mart'yanov, O. R. Kupinskii, N. A. Borshch
Publikováno v: Fibre Chemistry. 28:28-32
Chromatographic methods were developed to estimate the concentration of trace contaminants in caprolactam which can be used to differentiate its quality within the limits of the same GOST grade and to identify the CL manufacturer. Commercial CL from
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d88328ba8d17bc3c2d00fccd3667f9e
https://doi.org/10.1007/bf01130694
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5
Experimental investigation of the spatial distribution of the intensity of cavitational processes
Autor: V. V. Lebedev, A. I. Mart'yanov, L. M. Kustov
Publikováno v: Radiophysics and Quantum Electronics. 38:221-223
We propose an experimental method for distant measurements of the spatial distribution of cavitation intensity. The experimental results are obtained by investigating cavitation on a rigid cylinder and thin wires. The possibility of attaining a highe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a0169ecbc66a13f405741427ba57b3f
https://doi.org/10.1007/bf01037905
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10
Undecidability of the theory of Abelian groups with an automorphism
Autor: V. I. Mart'yanov
Publikováno v: Mathematical Notes of the Academy of Sciences of the USSR. 23:281-284
We prove undecidability of the elementary theories of: 1) (torsion-free) Abelian groups; 2) (Archimedean) ordered Abelian groups; 3) complete Abelian groups in the signature 〈+,α (x) =y〉, where + is addition and α(x) = y is an automorphism of t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8aafa1eee97ee7637a8418fd786ce2f1
https://doi.org/10.1007/bf01786956
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