Search Results - "Tsvetkov, V S"

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    Single-Mode P2O5–F–SiO2 Optical Fibers with Optimized Acoustic Profile: Influence of the Contrast of Optical Refractive Index and Composition of Core Doping on the SBS Gain Maximum by Tsvetkov, S. V., Likhachev, M. E.

    Published in Bulletin of the Lebedev Physics Institute (01-09-2023)
    “…Optical fibers with a modified radial profile of acoustic refractive index (ARIP) have been considered. The use of two-component doping of the core in the…”
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    Journal Article
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    Simultaneous UBVRI observations of the cataclysmic variable AE Aquarii: Temperatures and masses of fireballs by Zamanov, R.K., Latev, G.Y., Stoyanov, K.A., Boeva, S., Spassov, B., Tsvetkov, S.V.

    Published in Astronomische Nachrichten (01-10-2012)
    “…We report simultaneous multicolour observations in 5 bands (UBVRI) of the flickering variability of the cataclysmic variable AE Aqr. Our aim is to estimate the…”
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    Journal Article
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    Strength of unidirectional composites under high hydrostatic pressures by Zinov'ev, P A, Tsvetkov, S V, Kulish, G G, Van den Berg, R W, Van Schepdael, LJMM

    Published in Mechanics of composite materials (01-07-2001)
    “…The dependence of the strength properties of two unidirectional fibrous composites on high (up to 500 MPa) hydrostatic pressure has been studied…”
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    Journal Article
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    Very Large Array-RATAN 600 observations of a solar active region by Bogod, V. M., Gel'freikh, G. B., Willson, R. F., Lang, K. R., Opeikina, L. V., Shatilov, V., Tsvetkov, S. V.

    Published in Solar physics (01-10-1992)
    “…VLA-RATAN-600 observations of the sun around the partial solar eclipse in July 1990 are discussed. The relatively flat spectrum of the extended emission is…”
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    Journal Article
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    The behavior of high-strength unidirectional composites under tension with superposed hydrostatic pressure by Zinoviev, Peter A, Tsvetkov, Sergey V, Kulish, Gennadii G, van den Berg, Robert W, Van Schepdael, Ludo J.M.M

    Published in Composites science and technology (01-06-2001)
    “…Three types of high-strength unidirectional composite materials were studied under longitudinal tension with superposed high hydrostatic pressure. Reinforcing…”
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    Journal Article
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    Mechanical properties of unidirectional organic-fiber-reinforced plastics under hydrostatic pressure by Zinoviev, Peter A., Tsvetkov, Sergey V.

    Published in Composites science and technology (01-01-1998)
    “…The effect of hydrostatic pressure on the behavior of a unidirectional organic-fiber-reinforced plastic (OFRP) has been studied. A hydraulic high-pressure…”
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    Journal Article
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    Luminescence in germania-silica fibers in 1-2 {\mu}m region by Borshchevskaia, N. A, Katamadze, K. G, Kulik, S. P, Klyamkin, S. N, Chuvikov, S. V, Sysolyatin, A. A, Tsvetkov, S. V, Fedorov, M. V

    Published 08-06-2017
    “…We analyze the origins of the luminescence in germania-silica fibers with high germanium concentration (about 30 mol. % GeO2) in the region 1-2 {\mu}m with a…”
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    Journal Article
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    Deformation and failure of boron-aluminum with a complex stressed state by TSVETKOV, S. V, ZINOV'EV, P. A, EREMICHEV, A. N, TSYRUL', V. I, BUKHARIN, V. E, BUSHUEV, YU. G

    Published in Strength of materials (01-12-1991)
    “…Previously abstracted from original as item 9204-62-0499. Mechanical properties of B fiber reinforced aluminum alloy AMg6 with the volume content of boron…”
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    Journal Article
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    Three-photon spontaneous downconversion in highly nonlinear germania-silica optical fiber waveguides by Tsvetkov, S. V., Katamadze, K. G., Borshchevskaia, N. A., Sysolyatin, A. A., Fedorov, M. V., Kulik, S. P., Salganskii, M. Yu, Belanov, A. S.

    “…Three-photon spontaneous parametric downconversion (TPSPDC) is a challenging problem in nonlinear quantum optics. A highly doped germania-silica optical fiber…”
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    Conference Proceeding
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    Promising directions of optimization of providing radiological safety in large-scale treatment-and-preventive institutions by Tsvetkov, S V, Petreev, I V, Greben'kov, S V

    Published in Voenno-medicinskij ̆zurnal (01-09-2011)
    “…The article contains results of fulfilled studies that allowed finding main features of radiology safety, working out academic and research recommendations to…”
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    Journal Article
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    Co-hydrotreating of straight-run diesel fraction and vegetable oil on Co(Ni)-PMo/Al2O3 catalysts by Nikul’shin, P. A., Sal’nikov, V. A., Pimerzin, Al. A., Eremina, Yu. V., Koklyukhin, A. S., Tsvetkov, V. S., Pimerzin, A. A.

    Published in Petroleum chemistry (2016)
    “…The process of co-hydrotreatment of straight-run diesel fraction (DF) and vegetable oil (VO) on Co(Ni)-PMo/Al 2 O 3 catalysts prepared from H 3 PMo 12 O 40 and…”
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    Journal Article
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    Hydrotreating of vacuum gasoil in mixture with delayed coking products on industrial NiMo/Al2O3 catalyst by Maximov, N. M., Solmanov, P. S., Tsvetkov, V. S., Eremina, Yu. V., Zhilkina, E. O., Tomina, N. N., Pimerzin, A. A.

    Published in Russian journal of applied chemistry (01-04-2015)
    “…To examine the influence exerted on the degree of hydrogenation and hydrogenolysis by the content of olefin (diolefin) and polycyclic aromatic hydrocarbons at…”
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    Journal Article
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    Thiophene hydrodesulfurization and diesel fuel hydrorefining activities of XMo6(S)/γ-Al2O3 and Ni-XMo6(S)/γ-Al2O3 (X = Al, Ga, In, Fe, Co, and Ni) catalysts by Tomina, N. N., Nikul’shin, P. A., Tsvetkov, V. S., Pimerzin, A. A.

    Published in Kinetics and catalysis (01-03-2009)
    “…X Mo 6 (S)/γ-Al 2 O 3 and Ni- X Mo 6 (S)/γ-Al 2 O 3 catalysts based on Anderson heteropoly compounds (HPCs), where X = Al, Ga, In, Fe, Co, and Ni, were…”
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    Journal Article
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    SBS gain suppression in ordinary single-mode optical fibers with improved multimode acoustic design by Tsvetkov, S.V., Khudyakov, M.M., Lobanov, A.S., Lipatov, D.S., Bubnov, M.M., Likhachev, M.E.

    “…The order of the SBS gain suppression can be achieved in ordinary step-index single-mode optical fibers due to a wide spectral redistribution and effective…”
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    Conference Proceeding
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