Zobrazeno 1 - 10
of 14
pro vyhledávání: '"M. V. Ivkin"'
Publikováno v:
Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques. 2:631-636
The fracture dynamics of transparent polymeric materials under the impact of shockwaves induced by the energy release due to a high-power electron beam has been studied in polymethyl methacrylate (plexiglas), polystyrene, and epoxy samples by high fr
Publikováno v:
Journal of Physics A: Mathematical and General. 39:4771-4774
Collision of fast plasma streams in vacuum is investigated. Plasma streams were produced by irradiation of thin foils with a powerful pulsed electron beam. Interaction of the plasma flows was studied by using frame and streak cameras. One-dimensional
Publikováno v:
Technical Physics. 48:787-792
Vacuum-tight rubber is widely used in various structures. Composite shields protecting space vehicles against micrometeorites include natural-rubber-like materials, which are similar to vacuum-tight rubber in properties. It is, therefore, of interest
Publikováno v:
Медицинский совет, Vol 0, Iss 6, Pp 44-49 (2022)
Comorbidity is an important problem of modern medicine, the study of which is a priority for public health. According to the literature, the prevalence of comorbidity reaches a third of the population in some countries, while there is a tendency for
Externí odkaz:
https://doaj.org/article/74b2aa45fb014d85830ead0073598376
Publikováno v:
Technical Physics. 44:1413-1419
The propagation of pressure jumps excited by a high-current pulsed electron beam in SiO2 aerogels with density ranging from 0.025 to 0.25 g/cm3 is investigated using a laser differential interferometer and optical methods. Spallation on the back side
Publikováno v:
Technical Physics. 43:1239-1246
The dynamics of the interaction of a high-current electron beam with SiO2 aerogels of different density and porosity are investigated by optical methods. A model for describing highly porous materials is developed on the basis of the information obta
Autor:
V. P. Efremov, N. Keeler, I. A. Ivonin, B. A. Demidov, V. A. Petrov, M. V. Ivkin, Vladimir E. Fortov
Publikováno v:
Technical Physics. 42:1264-1269
Optical methods are used to investigate the dynamics of the interaction of a high-current electron beam with an aerogel (a highly porous transparent dielectric with a low density ρ=0.36 g/cm3). The measured profile of the glow of the aerogel and the
Publikováno v:
Technical Physics. 42:1258-1263
A study of the response of a heterogeneous material (stivlon) to a short pressure pulse reveals a qualitatively new effect: the onset of oscillatory precursors of the main pressure pulse when the concentration of a filler randomly distributed in a bi
Autor:
B. R. Gafarov, V. A. Petrov, E. S. Yushkov, B. A. Demidov, M. V. Ivkin, I. A. Ivonin, V. P. Efremov
Publikováno v:
Technical Physics. 42:76-81
This paper presents experimental and theoretical results from an investigation of the excitation and propagation of converging pressure waves in cylindrical shells made of polymethyl methacrylate (PMMA) producing spalling phenomena in the inner surfa
Publikováno v:
Спортивная медицина: наука и практика, Vol 11, Iss 1, Pp 11-18 (2021)
Objective: to determine the content of hormones, as well as some macro- and microelements in athletes-wrestlers outside the period of competition and active training.Materials and methods: the study involved 66 athletes-wrestlers and 107 students inv
Externí odkaz:
https://doaj.org/article/9a551deead0546b0bcf6795b49ad8857