- mass devitrification
- объёмная кристаллизация стекла
Glass technology dictionary. 2013.
mass devitrification
Смотреть что такое "mass devitrification" в других словарях:
Devitrification — De*vit ri*fi*ca tion, n. The act or process of devitrifying, or the state of being devitrified. Specifically, the conversion of molten glassy matter into a stony mass by slow cooling, the result being the formation of crystallites, microbites,… … The Collaborative International Dictionary of English
devitrification — See devitrifiable. * * * ▪ crystallography process by which glassy (glass) substances change their structure into that of crystalline solids. Most glasses are silicates (compounds of silicon, oxygen, and metals) in which the atomic… … Universalium
igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary … Universalium
industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… … Universalium
Glass — This article is about the material. For other uses, see Glass (disambiguation). Moldavite, a natural glass formed by meteorite impact, from Besednice, Bohemia … Wikipedia
Tuff — (from the Italian tufo ) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff should not be confused with tufa , another type of rock. Volcanic ashThe products of a volcanic eruption are… … Wikipedia
Quartz-porphyry — Quartz porphyry, in petrology, is the name given to a group of hemi crystalline acid rocks containing porphyritic crystals of quartz in a fine grained matrix, usually of micro crystalline or felsitic structure. In specimens, the quartz appears as … Wikipedia
materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… … Universalium
Cryo-electron microscopy — CryoEM image of GroEL suspended in vitreous ice at 50,000X magnification. Cryo electron microscopy (cryo EM), or electron cryomicroscopy, is a form of transmission electron microscopy (EM) where the sample is studied at cryogenic temperatures… … Wikipedia
Nininger Meteorite Award — The Nininger Meteorite Award recognizes outstanding student achievement in the “Science of Meteoritics” as embodied by an original research paper.[1] In 1965, Dr. Harvey H. Nininger and Mrs. Addie D. Nininger endowed the Nininger Science of… … Wikipedia
volcanic glass — a natural glass produced when molten lava cools very rapidly; obsidian. [1830 40] * * * Any glassy rock formed from lava or magma that has a chemical composition close to that of granite. Such molten material may reach very low temperatures… … Universalium
