Search Results - "Tsvetkov, I. V."

Experimental Study of Characteristics of Vortex Diode by Kaigorodov, S. Yu, Shaposhkov, A. A., Tsvetkov, I. V.

“…The results of experimental study of the characteristics of a new vortex hydraulic-pneumatic diode versus the characteristics of common classical type of…”
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Modeling the multifractal dynamics of COVID-19 pandemic by Tsvetkov, V.P., Mikheev, S.A., Tsvetkov, I.V., Derbov, V.L., Gusev, A.A., Vinitsky, S.I.

“…To describe the COVID-19 pandemic, we propose to use a mathematical model of multifractal dynamics, which is alternative to other models and free of their…”
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Characteristics of a Vortex Diode of Increased Diodicity by Kaigorodov, S. Yu, Tsvetkov, I. V.

“…The characteristics of a vortex diode of increased diodicity are determined experimentally. The results are compared with those for a classic diode…”
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Fractal Properties of the Nd100 –xFex Alloys Surface in the Fractal Thermodynamics Model by Mikheev, S. A., Semenova, E. M., Pastushenkov, Yu. G., Tsvetkov, V. P., Tsvetkov, I. V.

“…The study of the fractal properties of the surface of Nd 100 –  x Fe x alloys in a wide range of concentrations х ( х = 20–90) was carried out in the framework…”
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Fractal Thermodynamics of the States of Instantaneous Heart Rhythm by Mikheev, S. A., Paramonova, E. K., Tsvetkov, V. P., Tsvetkov, I. V.

“…The paper considers the concept of fractal thermodynamics for studying the states of instantaneous cardiac rhythm (ICR) according to Holter monitoring (HM)…”
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Method for calculating the use of nozzle hydrodiodes in design of two-tube hydraulic shock absorber by Kaigorodov, S. Yu, Shaposhkov, A. A., Tsvetkov, I. V.

“…The development of a method for calculating the use of nozzle hydrodiodes in the design of a twotube hydraulic shock absorber is carried out by considering…”
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Improving the Deformation of Welded Pipe for Pipelines by Brovman, M. Ya, Tsvetkov, I. V.

“…The probability of cracks and fractures in pipe expansion is studied. A means of decreasing defect frequency in the deformation of pipe for major pipelines is…”
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On expansion of analytical functions in ultraspherical polynomials on the sphere by Frolov, A. V., Tsvetkov, V. I.

“…An algorithm is proposed for computing two-dimensional Fourier series in a spherical system of coordinates over a set of orthogonal ultraspherical polynomials…”
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Plasma-facing surface estimation in the presence of oblique magnetic field by Borodkina, I. E., Tsvetkov, I. V.

“…Useful analytical approximation formulas for the sheath electric potential profile in the presence of secondary electron emission in oblique magnetic field is…”
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Diffusion of some critical radionuclides in mineral-like ceramic materials by Tsvetkov, V. I., Ivanov, I. A., Nechaev, A. F.

“…The diffusion coefficients and activation energy of diffusion of 22 Na, 90 Sr, 152 Eu, and 241 Am radionuclides in zirconolite ceramics prepared by cold…”
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Multifractal principles of aquatic ecosystem development control by algacenosis correction by Kozlov, D. V., Nasonov, A. N., Tsvetkov, I. V., Zhogin, I. M.

“…A method is proposed for the simulation and analysis of the processes of rehabilitation of water bodies based on the construction of their multifractal models,…”
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Lung Cancer Risk due to Exposure to Incorporated Plutonium by Koshurnikova, N. A., Bolotnikova, M. G., Ilyin, L. A., Keirim-Markus, I. B., Menshikh, Z. S., Okatenko, P. V., Romanov, S. A., Tsvetkov, V. I., Shilnikova, N. S.

“…An epidemiological study has been carried out among 1,479 male workers who started working at the "Mayak" Production Association in 1948-1958 and were exposed…”
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Reconstruction of the dose to the victim as a result of accidental irradiation in Lia (Georgia) by Klass, E V, Shakhovskii, V V, Kleshchenko, ED, Kochetkov, O A, Tsvetkov, VI

“…The spatial distribution of the irradiation dose to a victim who accidentally came into contact with a radioactive source is reconstructed. The computer…”
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Hydrogen permeability through sandwich membranes by Marenkov, E. D., Tsvetkov, I. V., Pisarev, A. A.

“…The problem of hydrogen permeability through sandwich membranes and membranes with nonhomogeneous (by depth) properties as the limiting case of permeability…”
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Uniform approximation of geophysical fields on a sphere by trigonometric polynomials by Frolov, A. V., Tsvetkov, V. I.

“…Researchers suggest a new method for approximating vector and scalar geophysical fields on the sphere using trigonometric polynomials, which provides uniform…”
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Dose field in hiroshima and the risk of radiation-induced cancer by Keirim-Markus, I. B., Tsvetkov, V. I.

“…The dose distribution of γ-neutron radiation over the earth's surface as a result of the atomic explosion in Hiroshima is of decisive value for establishing…”
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Analysis of Emerging Particle Tracks in the BM@N Experiment of the NICA Accelerator Complex in the Mathematical Model of Fractal Thermodynamics by Voytishin, N. N., Mikheev, S. A., Tsvetkov, V. P., Tsvetkov, I. V.

“…The article provides an analysis of the tracks of emerging particles in the mathematical model of fractal thermodynamics after the computer processing of…”
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Fractal phase space and fractal entropy of instantaneous cardiac rhythm by Tsvetkov, V.P., Mikheyev, S.A., Tsvetkov, I.V.

“…The paper is devoted to the study of cardiac rhythm variability (CRV) using the phase and extended phase spaces of instantaneous cardiac rhythm (ICR) obtained…”
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Radiation dose received by a researcher in a critical assembly accident at Russian Federation Nuclear Center/All-Russian Scientific-Tesearch Institute of experimental physics (RFYaTs-Vniéf) in sarov by Khodalev, G F, Tarasova, EYu, Zhitnik, A K, Kalashnikov, M V, Tsvetkov, VI, Kleshchenko, ED, Bochvar, IA, Levochkin, F K

“…(ProQuest: Abstract omitted; see image)[PUBLICATION ABSTRACT]…”
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Methodology for Assessing and Ranking of the Socio-Economic Development of Single-Industry Towns Based on Multifactor Analysis of Fractal Indicators by Nikonorov, Sergey M., Krivichev, Alexander I., Nasonov, Andrey N., Tsvetkov, Ilya V.

“…Introduction. Assessment of urbanized areas in terms of their sustainable development and rational use of resource and environmental potential remains the most…”
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