Zobrazeno 1 - 10
of 47
pro vyhledávání: '"V. A. Lomovskoy"'
Publikováno v:
Тонкие химические технологии, Vol 16, Iss 4, Pp 337-344 (2021)
Objectives. Investigation of aqueous polyvinyl alcohol (PVA) foaming process and the influence of its water solution structure, when possessed of different molecular weights and concentrations, on foaming multiplicity.Methods. Solution foaming analys
Externí odkaz:
https://doaj.org/article/b18248a772544cd1b2383657e44bdf32
Publikováno v:
Тонкие химические технологии, Vol 14, Iss 6, Pp 104-114 (2019)
Objectives. Determination of the influence of molecular weight on the modulus of elasticity, yield, strength, and retardation processes in polyethylene.Methods. We used vane samples (thickness: 4 mm; length: 100 mm; width.: 10 mm) made by injection m
Externí odkaz:
https://doaj.org/article/5997f9d9f4b945c7baf54824685ca1f9
Publikováno v:
Тонкие химические технологии, Vol 12, Iss 5, Pp 79-87 (2017)
The analysis of experimental internal friction spectrum tgδ - f(T) shows that monocrystalline metallic materials possess the simplest spectrum. For those materials, dissipation of a part of the energy of external power impact exists in a form of int
Externí odkaz:
https://doaj.org/article/7d437a20214c4c0fa458d29f370a45c8
Autor:
V. A. Lomovskoy
Publikováno v:
Тонкие химические технологии, Vol 10, Iss 3, Pp 5-49 (2015)
Spectra of internal friction for plasticized and non-plasticized poly(methyl methacrylate) (PMMA) are obtained by dynamic methods of external distortion effect within a frequencies range from 10-2 to 103 Hz and within a temperature range from -50 up
Externí odkaz:
https://doaj.org/article/f811729cbb6d4c6baeca32a30a8e83c7
Publikováno v:
Тонкие химические технологии, Vol 10, Iss 1, Pp 83-89 (2015)
Dissipative effects are investigated by means of relaxation spectrometry in films of polyvinyl alcohol with various molecular weight and hydration degree. Peaks of mechanical loss reveal two relaxation transitions (α- and β-peaks) and one first ord
Externí odkaz:
https://doaj.org/article/2c128be6e51a4a0eac7a4d1139784b4d
Publikováno v:
Тонкие химические технологии, Vol 9, Iss 1, Pp 87-92 (2014)
An approach to the systematization of coupled problems of different science areas is suggested. A unified methodology for solving such problems is described. The usage of this methodology is illustrated by examples of solving the contact problem and
Externí odkaz:
https://doaj.org/article/1f428000401449afa7227d838645e43c
Publikováno v:
Тонкие химические технологии, Vol 8, Iss 5, Pp 89-93 (2013)
Dissipation in selenium was investigated using internal friction spectrum for the temperature range -150–250°C and the frequency domain 0.1–10 Hz. It was found that only the use of a combined specimen with isinglass stone undercoat allows the te
Externí odkaz:
https://doaj.org/article/58b685c0072c47ee8560dcd76dded8c6
Publikováno v:
Тонкие химические технологии, Vol 7, Iss 6, Pp 41-45 (2012)
Possible basic types of applied one-dimensional linear boundary problems in problems of chemical kinetics, structures strength, aerohydroelasticity, and wave processes in continuous media are analyzed. A uniform definition of such problems based on t
Externí odkaz:
https://doaj.org/article/de434800e9094dbd9e05a93518b2dec0
Autor:
V. A. Lomovskoy, E. A. Korovaitseva
Publikováno v:
Тонкие химические технологии, Vol 7, Iss 1, Pp 73-77 (2012)
Influence of prismatic cross-section rods surface quality on natural frequencies and mode shapes is investigated. Modified equations of Kirchhoff and Klebsh are used. These equations allow taking into account the influence of tension-compression and
Externí odkaz:
https://doaj.org/article/144b1e81dc76483391b7851baa54bc9a
Publikováno v:
Тонкие химические технологии, Vol 4, Iss 6, Pp 85-89 (2009)
Analysis of the dissipation phenomena in the polycrystalline palladium in the range of temperatures from 120K to 800 K was conducted based on the spectrum of internal friction. It has been determined that set of relaxation mechanisms and kinetic phen
Externí odkaz:
https://doaj.org/article/d4c5d7eb9040411bb0b4d2e3d341c83f