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Поисковый запрос: (<.>K=GLASS<.>)
Общее количество найденных документов : 38
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 1-10    11-20   21-30   31-38 
1.
Инвентарный номер: нет.
   
   B 16


    Baidakov, V. G.
    Metastable Lennard-Jones fluids. I. Shear viscosity [Electronic resource] / V. G. Baidakov, S. P. Protsenko, Z. R. Kozlova // Journal of Chemical Physics. - 2012. - Vol.137, №16. - P164507
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
LIQUIDS -- GLASS -- CRYSTALS
Аннотация: Molecular dynamics methods have been employed to calculate the coefficient of shear viscosity ηs* of a Lennard-Jones fluid. Calculations have been performed in the range of reduced temperatures 0.4 ⩽ kBT/ɛ ⩽ 2.0 and densities 0.01 ≤ ρσ3 ≤ 1.2. Values of ηs* have been obtained for 217 states, 99 of which refer to metastable liquid and gas regions. The results of calculating ηs* for thermodynamically stable states are in satisfactory agreement with the data of earlier investigations. An equation has been obtained which describes the temperature and density dependence of the coefficient of shear viscosity in stable and metastable regions of the phase diagram up to the boundaries of spontaneous nucleation. The behavior of the coefficient of shear viscosity close to the spinodal of a superheated liquid and supersaturated vapor is discussed and the applicability of the Stokes-Einstein relation at high supercoolings of the liquid phase is examined.

\\\\Expert2\\nbo\\Journal of Chemical Physics\\2012, V.137, p.164507.pdf
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2.
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   B 16


    Baidakov, V. G.
    Metastable Lennard-Jones fluids. I. Shear viscosity [Electronic resource] / V. G. Baidakov, S. P. Protsenko, Z. R. Kozlova // Journal of Chemical Physics. - 2012. - Vol.137, №16. - P164507
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
LIQUIDS -- GLASS -- CRYSTALS
Аннотация: Molecular dynamics methods have been employed to calculate the coefficient of shear viscosity ηs* of a Lennard-Jones fluid. Calculations have been performed in the range of reduced temperatures 0.4 ⩽ kBT/ɛ ⩽ 2.0 and densities 0.01 ≤ ρσ3 ≤ 1.2. Values of ηs* have been obtained for 217 states, 99 of which refer to metastable liquid and gas regions. The results of calculating ηs* for thermodynamically stable states are in satisfactory agreement with the data of earlier investigations. An equation has been obtained which describes the temperature and density dependence of the coefficient of shear viscosity in stable and metastable regions of the phase diagram up to the boundaries of spontaneous nucleation. The behavior of the coefficient of shear viscosity close to the spinodal of a superheated liquid and supersaturated vapor is discussed and the applicability of the Stokes-Einstein relation at high supercoolings of the liquid phase is examined.

\\\\Expert2\\nbo\\Journal of Chemical Physics\\2012, V.137, p.164507.pdf
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3.
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   C 74


   
    Computer Study of Glass-Like and Amorphous Silicon Nanoparticles [] / A. E. Galashev, V. A. Polukhin, I. A. Izmodenov, O. A. Galasheva // Поверхность. - 2006. - N 1. - С. 41-49: il., tabl. - Bibliogr.: p. 48-49 (26 ref.) . - ISSN 0207-3528
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
GLASS-LIKE AND AMORPHOUS -- SILICON NANOPARTICLES -- VORONOI POLYHEDRA CONSTRUCTION
Аннотация: Structural properties of vitreous and amorphous silicon nanoparticles containing 300, 400 and 500 atoms were investigated by the molecular dynamics method. The calculated nanoparticles radial distribution Functions and angular distributions of adjoining atoms were compared with the appropriate bulk Si-glass functions. The structure of the central part of silicon nanoparticles was investigatied in detail with the assistance of Voronoi polyhedra construction. The prevalence of five and six fold rings in Si-glasses nanoparticles and the domination of pentagons in amorphous silicon particles were revealed. The lengths of the Si-Si bonds and the number of bonds per atom were determined for nanoparticles under investigated conditions

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4.
Инвентарный номер: нет.
   
   C 74


   
    Computer Study of Glass-Like and Amorphous Silicon Nanoparticles [] / A. E. Galashev, V. A. Polukhin, I. A. Izmodenov, O. A. Galasheva // Поверхность. - 2006. - N 1. - С. 41-49: il., tabl. - Bibliogr.: p. 48-49 (26 ref.) . - ISSN 0207-3528
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
GLASS-LIKE AND AMORPHOUS -- SILICON NANOPARTICLES -- VORONOI POLYHEDRA CONSTRUCTION
Аннотация: Structural properties of vitreous and amorphous silicon nanoparticles containing 300, 400 and 500 atoms were investigated by the molecular dynamics method. The calculated nanoparticles radial distribution Functions and angular distributions of adjoining atoms were compared with the appropriate bulk Si-glass functions. The structure of the central part of silicon nanoparticles was investigatied in detail with the assistance of Voronoi polyhedra construction. The prevalence of five and six fold rings in Si-glasses nanoparticles and the domination of pentagons in amorphous silicon particles were revealed. The lengths of the Si-Si bonds and the number of bonds per atom were determined for nanoparticles under investigated conditions

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5.
Инвентарный номер: нет.
   
   D 63


   
    Distribution of Glass in the Bodies of Thermos Flasks [] / G. V. Ermakov, G. D. Lebedev, Y. V. Seskutov, P. F. Vladimirov // Glass and Ceramics. - 1979. - V.36, Is.5. - С. 250-253
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
GLASS -- BODIES OF FLASKS -- FLASKS THERMOS

\\\\Cserver\\dist\\НБО\\Электронная библиотека_Библиогр1\\Glass and Ceramics\\1979, v. 36, N. 5, p.250.pdf
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6.
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   D 63


   
    Distribution of Glass in the Bodies of Thermos Flasks [] / G. V. Ermakov, G. D. Lebedev, Y. V. Seskutov, P. F. Vladimirov // Glass and Ceramics. - 1979. - V.36, Is.5. - С. 250-253
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
GLASS -- BODIES OF FLASKS -- FLASKS THERMOS

\\\\Cserver\\dist\\НБО\\Электронная библиотека_Библиогр1\\Glass and Ceramics\\1979, v. 36, N. 5, p.250.pdf
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7.
Инвентарный номер: нет.
   
   E 70


    Ermakov, G. V.
    Problem of Cooling and Solidification of Glass [] / G. V. Ermakov, G. V. Kupfer // Glass and Ceramics. - 1978. - V.35, Is.7. - С. 383-386
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
GLASS

\\\\Cserver\\dist\\НБО\\Электронная библиотека_Библиогр1\\Glass and Ceramics\\1978, v. 35, N. 7, p.383.pdf
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8.
Инвентарный номер: нет.
   
   E 70


    Ermakov, G. V.
    Problem of Cooling and Solidification of Glass [] / G. V. Ermakov, G. V. Kupfer // Glass and Ceramics. - 1978. - V.35, Is.7. - С. 383-386
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
GLASS

\\\\Cserver\\dist\\НБО\\Электронная библиотека_Библиогр1\\Glass and Ceramics\\1978, v. 35, N. 7, p.383.pdf
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9.
Инвентарный номер: нет.
   
   E 97


   
    Experimental determination of superheated liquids boiling-up expectancy time probabilities distribution [Electronic resource] / E. V. Lipnyagov, S. A. Perminov, G. V. Ermakov, B. M. Smolyak // Thermophysics and Aeromtchanics. - 2009. - Vol.16, №4. - P627-633. - Bibliogr. : p. 633 (16 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
LIQUID -- N-PENTANE -- BOILING-UP
Аннотация: Results of statistical measurement of n-pentane and n-hexane boiling-up expectancy time near the boundary of attainable superheating are presented. Experiments were carried out in glass capillaries with various volumes of superheated liquid. Several samples with the volume from 100 to 200 measurements of life time for preset metastable state have been obtained (p, T = const). Their histograms contain small empty initial section, maximum and long “tail” in the area of large times. Non-monotonous dependence of probability distribution density on time proves non-stationary character of the random process resulting in the production of supercritical embryo. Two simple approximations of non-stationary nucleation flow well describing experimental data have been considered. For exponential distribution, the probabilities of experimentally found peculiarities of boiling-up expectancy time distribution density have been evaluated; they prove incompatibility of this distribution with the experimental one

\\\\expert2\\NBO\\Thermophysics and Aeromechanics\\2009, V. 16, N 4. P. 627-633.pdf
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10.
Инвентарный номер: нет.
   
   E 97


   
    Experimental determination of superheated liquids boiling-up expectancy time probabilities distribution [Electronic resource] / E. V. Lipnyagov, S. A. Perminov, G. V. Ermakov, B. M. Smolyak // Thermophysics and Aeromtchanics. - 2009. - Vol.16, №4. - P627-633. - Bibliogr. : p. 633 (16 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
LIQUID -- N-PENTANE -- BOILING-UP
Аннотация: Results of statistical measurement of n-pentane and n-hexane boiling-up expectancy time near the boundary of attainable superheating are presented. Experiments were carried out in glass capillaries with various volumes of superheated liquid. Several samples with the volume from 100 to 200 measurements of life time for preset metastable state have been obtained (p, T = const). Their histograms contain small empty initial section, maximum and long “tail” in the area of large times. Non-monotonous dependence of probability distribution density on time proves non-stationary character of the random process resulting in the production of supercritical embryo. Two simple approximations of non-stationary nucleation flow well describing experimental data have been considered. For exponential distribution, the probabilities of experimentally found peculiarities of boiling-up expectancy time distribution density have been evaluated; they prove incompatibility of this distribution with the experimental one

\\\\expert2\\NBO\\Thermophysics and Aeromechanics\\2009, V. 16, N 4. P. 627-633.pdf
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