Вид документа : Статья из журнала Шифр издания : 53/F 17 Автор(ы) : Faizullin M. Z., Vinogradov A. V., Koverda V. P. Заглавие : Properties of gas hydrates formed by nonequilibrium condensation of molecular beams [Электронный ресурс] Место публикации : High Temperature. - 2014. - Vol. 52, № 6. - С. 830-839 Систем. требования: http://download.springer.com/static/pdf/706/art%253A10.1134%252FS0018151X14050046.pdf?auth66=1427190695_f46e11cc1867f9174e766f05ba570465&ext=.pdf Примечания : Bibliogr. : p. 838-839 (36 ref.). - 24.03.15 ББК : 53 Предметные рубрики: ФИЗИКА Ключевые слова (''Своб.индексиров.''): glass-transition --amorphous solids--aqueous-solutions Аннотация: Low-temperature crystallization of amorphous materials has been analyzed theoretically taking into account nonstationary nucleation. The kinetics of crystallization of amorphous water layers, formed by depositing molecular beams on a substrate cooled by liquid nitrogen, has been investigated by differential thermal analysis. The conditions of gas hydrate formation in low-temperature amorphous-ice layers saturated with carbon dioxide have been studied. The glass-transition and crystallization temperatures of the gas hydrates have been determined from the change in dielectric properties upon heating. Under the deep-metastability conditions, crystallization of water-gas layers leads to the formation of crystallohydrates. Gas molecules are captured by the avalanche-like nucleation of crystallization centers and, therefore, are not displaced by the moving crystal-melt interface. Gas-hydrate samples formed in nonequilibrium water-gas layers are convenient for studying their thermophysical properties Доп.точки доступа: Vinogradov, A. V.; Koverda, V. P.; Коверда Владимир Петрович; Файзуллин Марс Закиевич