Search Results - "Zaitsev, A. N."

Transparent Boundary Conditions for the Wave Equation in a Channel of Circular Section by Zaitsev, N. A.

“…A method is proposed for calculating the coefficients of the operator of transparent boundary conditions (TBC) for the wave equation in a circular channel with…”
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The Petrology of the Tarosero Volcanic Complex: Constraints on the Formation of Extrusive Agpaitic Rocks by Braunger, S, Marks, M A W, Wenzel, T, Zaitsev, A N, Markl, G

“…Abstract The Quaternary Tarosero volcano is situated in the East African Rift of northern Tanzania and mainly consists of trachyte lavas and some trachytic…”
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The Superposition of Auroral Currents in the Region of the Harang Discontinuity by Zaitsev, A. N., Kanonidi, K. Kh, Petrov, V. G.

“…Cases of superposition of auroral electric jets in the auroral zone at the instances of development of the Harang discontinuity have been found and described…”
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On the Need for Accurate Monitoring of the Geomagnetic Field during Directional Drilling in the Russian Arctic by Soloviev, A. A., Sidorov, R. V., Oshchenko, A. A., Zaitsev, A. N.

“…—The readings of well magnetometers used in directional drilling may be distorted by geomagnetic storms and substorms. These distortions occur most often in…”
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Erratum to: The Superposition of Auroral Currents in the Region of the Harang Discontinuity by Zaitsev, A. N., Kanonidi, K. Kh, Petrov, V. G.

“…An Erratum to this paper has been published: https://doi.org/10.1134/S0016793222340023…”
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Simulation in Selecting Metal-Cutting Equipment at Different Stages of Preproduction by Andryukhin, N. D., Yagopol’skii, A. G., Zaitsev, A. N., Aleksandrova, Yu. P.

“…Principles for the selection of metal-cutting equipment are established by analysis of the enterprise’s activity, and the configuration of the machine tool…”
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Reduction of Shear Stresses in Friction Units with an Electrical Insulation Coating of the ITER Blanket Modules by Zaitsev, A. N., Aleksandrova, Yu. P.

“…During operation of the International Thermonuclear Experimental Reactor (ITER), its removable blanket modules undergo significant shock loads in the process…”
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Raman spectra of nyerereite, gregoryite, and synthetic pure Na2Ca(CO3)2: diversity and application for the study micro inclusions by Golovin, A. V., Korsakov, A. V., Gavryushkin, P. N., Zaitsev, A. N., Thomas, V. G., Moine, B. N.

“…In this study, we present Raman spectra of pure synthetic hydrothermal orthorhombic Na2Ca(CO3)2 carbonate together with naturally occurring orthorhombic…”
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Thermodynamic Analysis of Secondary Minerals Stability in Altered Carbonatites of the Oldoinyo Lengai Volcano, Northern Tanzania by Perova, E. N., Zaitsev, A. N.

“…Carbonatites from the Oldoinyo Lengai volcano, northern Tanzania, are unstable under normal atmospheric conditions. Owing to carbonatite interaction with…”
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In situ ambient and high-temperature Raman spectroscopic studies of nyerereite (Na,K)2Ca(CO3)2: can hexagonal zemkorite be stable at earth-surface conditions? by Golovin, A. V., Korsakov, A. V., Zaitsev, A. N.

“…In this study we present Raman spectroscopy data obtained from a naturally occurring orthorhombic nyerereite (Na,K)2Ca(CO3)2 from the Oldoinyo Lengai volcano…”
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Single-Velocity Model of Two-Phase Liquids for Calculating Flows According to the First Principles’ Approach by Zaitsev, N. A., Kritskiy, B. V.

“…A single velocity model of one-component media for calculating two-phase flows is presented. The model is based on conservation laws with minimal additional…”
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Electrochemical shaping of aerodynamic seal elements by Pavlinich, S. P., Mannapov, A. R., Gimaev, N. Z., Zaitsev, A. N.

“…In this paper, a process of impulse electrochemical machining (cutting) of the basic functional structural elements (ridges, combs, brushes) of aerodynamic…”
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Ferromanganese carbonate metasediments of the Sob area, Polar Urals: Bedding conditions, composition, and genesis by Brusnitsyn, A. I., Kuleshov, V. N., Perova, E. N., Zaitsev, A. N.

“…The paper presents the results of study of ferromanganese carbonate rocks in the Sob area (Polar Urals), which is located between the Rai-Iz massif and the…”
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Quintinite-1M from the Mariinsky Deposit, Ural Emerald Mines, Central Urals, Russia by Zhitova, E. S., Popov, M. P., Krivovichev, S. V., Zaitsev, A. N., Vlasenko, N. S.

“…The paper describes the first finding of quintinite [Mg 4 Al 2 (OH) 12 ][(CO 3 )(H 2 O) 3 ] at the Mariinsky deposit in the Central Urals, Russia. The mineral…”
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Calciocarbonatite dykes at Oldoinyo Lengai, Tanzania; the fate of natrocarbonatite by Keller, Jörg, Zaitsev, Anatoly N

“…Carbonatite dykes are described for the first time from the active natrocarbonatite volcano Oldoinyo Lengai, Tanzania. The dykes are fine grained, with a…”
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Application of the information approach to the analysis of two-year microwave observations of the atmosphere by the RPG-HATPRO radiometer at St. Petersburg University by Kostsov, V. S., Timofeyev, Yu. M., Zaitsev, N. A., Poberovsky, A. V., Osipov, S. I.

“…Since June 2012 the ground-based microwave (MW) radiometer RPG-HATPRO (Radiometer Physics GmbH - Humidity and Temperature Profiler) G3 (generation 3) has been…”
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Mineralogy, geochemistry and petrology of the phonolitic to nephelinitic Sadiman volcano, Crater Highlands, Tanzania by Zaitsev, A.N., Marks, M.A.W., Wenzel, T., Spratt, J., Sharygin, V.V., Strekopytov, S., Markl, G.

“…Sadiman volcano is located in the Crater Highlands area of northern Tanzania, which lies next to the western escarpment of the Gregory rift—a part of the…”
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Improvement of regulatory documents on decommissioning power-generating units of nuclear power plants by Bylkin, B. K., Gorelov, K. A., Engovatov, I. A., Zaitsev, A. N., Zimin, V. K., Musorin, A. I., Rubtsov, P. M., Nozdrin, G. N.

“…Approaches to revising the documentation regulating the safety of decommissioning power-generating units of nuclear power plants are examined. It is proposed…”
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Assessment of critical level of shear stresses in tribocouples of Аl2O3 and metal details of ITER blanket modules by Zaitsev, A. N., Strebkov, Yu. S., Leshukov, A. Yu, Ivanov, V. M., Kuksenova, L. I., Sachek, B. Ya, Mezrin, A. M., Aleksandrova, Yu. P.

“…The shear strength of plasma-sprayed electroinsulating Аl 2 O 3 coating has been determined for blanket modules of a thermonuclear reactor in a friction couple…”
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Chemical composition of nyerereite and gregoryite from natrocarbonatites of Oldoinyo Lengai volcano, Tanzania by Zaitsev, A. N., Keller, J., Spratt, J., Jeffries, T. E., Sharygin, V. V.

“…Alkali carbonates nyerereite, ideally Na 2 Ca(CO 3 ) 2 and gregoryite, ideally Na 2 CO 3 , are the major minerals in natrocarbonatite lavas from Oldoinyo…”
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