Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Nikolay N Popov"'
Autor:
Nikolay N Popov, Ludmila V Kovalenko
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 18, Iss 1, Pp 86-92 (2014)
We have developed a method of probabilistic reliability evaluation of microheterogeneous thick-walled pipe, based on the already received solution of the stochastic creep boundary value problem. The rheological properties of the material were describ
Externí odkaz:
https://doaj.org/article/6c93521911034eebaf3d16ea6473f770
Autor:
Nikolay N Popov, Olga O Chernova
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 17, Iss 3, Pp 69-76 (2013)
The analytical method for nonlinear stochastic problem of creep solving for a plane taking into account the damage of the material and the third stage of creep is developed. Determinative creep equations are taken in accordance with the energy versio
Externí odkaz:
https://doaj.org/article/8575e7be08d34ea8866b57ffcfe12551
Autor:
Nikolay N Popov, Olga O Chernova
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 16, Iss 4, Pp 97-105 (2012)
The analytical method for nonlinear problem of steady-state creep solving for pure shear of stochastically inhomogeneous plane on the basis of the second approximation method of small parameter was developed. It is supposed that elastic deformations
Externí odkaz:
https://doaj.org/article/8ff58e4be28d4dbd90f926f5a90b4a8d
Autor:
Nikolay N Popov, Ludmila V Kovalenko
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 16, Iss 2, Pp 72-77 (2012)
Probabilistic methods of evaluating of strength reliability of construction axisymmetric elements of working in creep conditions were considered. Rheological properties of the material were described by the random function of one variable (of radius
Externí odkaz:
https://doaj.org/article/fbc6f219e1e846dfb5c710f96d6eaa98
Autor:
Nikolay N Popov, Olga O Chernova
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 15, Iss 4, Pp 50-58 (2011)
The analytical method for nonlinear stochastic creep problem solving for a plane stressed state was developed. Stochasticity was introduced into the determinative creep equation, which was taken in accordance with the nonlinear theory of viscous flo
Externí odkaz:
https://doaj.org/article/b8099ff876e743e993effb772dda3c80
Autor:
Ludmila V Kovalenko, Nikolay N Popov
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 15, Iss 1, Pp 228-235 (2011)
The solution of nonlinear stochastically boundary value problem of creep of a thin plate under plane stress is developed. It is supposed that elastic deformations are insignificant and they can be neglected. Determining equation of creep is taken in
Externí odkaz:
https://doaj.org/article/35a7a34b72784960b124083250eb4e81
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 14, Iss 2, Pp 117-124 (2010)
Methodology of calculation of probability of no-failure working life with one structural parameter was investigated on the basis of extension of Rabotnov 's determinate creep equations. Residual working life method using conditional probability of no
Externí odkaz:
https://doaj.org/article/39f06227304846ad948426fc7e65b07d
Autor:
Najiya N; Department of Physics and Materials Science, University of Luxembourg, 162a avenue de la faiencerie, Luxembourg city, 1511, Luxembourg., Popov N; Department of Physics and Materials Science, University of Luxembourg, 162a avenue de la faiencerie, Luxembourg city, 1511, Luxembourg., Jampani VSR; Department of Physics and Materials Science, University of Luxembourg, 162a avenue de la faiencerie, Luxembourg city, 1511, Luxembourg.; Department of Condensed Matter Physics, Jozef Stefan Institute, Jamova 39, Ljubljana, 1000, Slovenia., Lagerwall JPF; Department of Physics and Materials Science, University of Luxembourg, 162a avenue de la faiencerie, Luxembourg city, 1511, Luxembourg.
Publikováno v:
Small (Weinheim an der Bergstrasse, Germany) [Small] 2023 Mar; Vol. 19 (13), pp. e2204693. Date of Electronic Publication: 2022 Dec 09.
Autor:
Kichukova T; Department of Plant Physiology and Molecular Biology, 'Paisii Hilendarski' University of Plovdiv, 24 Tzar Assen Street, Plovdiv, Bulgaria., Petrov V; Department of Plant Physiology, Biochemistry and Genetics, Agricultural University of Plovdiv, Bulgaria., Popov N; Psychiatric Ward for Active Treatment of Men, State Psychiatry Hospital Pazardzhik, Pazardzhik, Bulgaria., Minchev D; Department of Medical Biology, Faculty of Medicine, Medical University-Plovdiv, 15-A Vassil Aprilov Blvd., Plovdiv, Bulgaria.; Division of Molecular and Regenerative Medicine, Research Institute at Medical University of 12 Plovdiv, 15A Vasil Aprilov Blvd, Plovdiv, 4000, Bulgaria., Naimov S; Department of Plant Physiology and Molecular Biology, 'Paisii Hilendarski' University of Plovdiv, 24 Tzar Assen Street, Plovdiv, Bulgaria., Minkov I; Institute of Molecular Biology and Biotechnologies (IMBB), Plovdiv, Bulgaria., Vachev T; Department of Plant Physiology and Molecular Biology, 'Paisii Hilendarski' University of Plovdiv, 24 Tzar Assen Street, Plovdiv, Bulgaria.
Publikováno v:
Heliyon [Heliyon] 2021 Jul 03; Vol. 7 (7), pp. e07462. Date of Electronic Publication: 2021 Jul 03 (Print Publication: 2021).
Autor:
Yaneva Z; Chemistry Unit, Department of Pharmacology, Animal Physiology and Physiological Chemistry, Faculty of Veterinary Medicine, Students Campus, Trakia University, 6000 Stara Zagora, Bulgaria., Ivanova D; Chemistry Unit, Department of Pharmacology, Animal Physiology and Physiological Chemistry, Faculty of Veterinary Medicine, Students Campus, Trakia University, 6000 Stara Zagora, Bulgaria., Popov N; Mineralagro-Z Ltd., 1000 Sofia, Bulgaria.
Publikováno v:
Molecules (Basel, Switzerland) [Molecules] 2021 Mar 16; Vol. 26 (6). Date of Electronic Publication: 2021 Mar 16.