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Transition temperature — is the temperature at which material changes from one crystal to another. There are total seven crystal systems and every material is known to exist in one of them. At any critical value of temperature it can shift to any crystal system from the… … Wikipedia
Glass transition temperature — The glass transition temperature, T g, is the temperature at which an amorphous solid, such as glass or a polymer, becomes brittle on cooling, or soft on heating. More specifically, it defines a pseudo second order phase transition in which a… … Wikipedia
glass transition temperature — noun The temperature below which an amorphous material is a glassy solid and above which it is a viscous liquid … Wiktionary
Solid oxygen — is also used colloquially to refer to oxidizers such as perchlorates, chlorates, or iodine pentoxide from which oxygen can be produced. Solid oxygen forms at normal atmospheric pressure at a temperature below 54.36 K (−218.79 °C, −361.82 °F).… … Wikipedia
Transition berezinsky-kosterlitz-thouless — En physique théorique la transition de Berezinky Kosterlitz Thouless est une transition de phase obtenue dans le modèle XY à deux dimensions (ou modèle planaire) en variant la température. Sommaire 1 La transition BKT 2 Autres modèles et… … Wikipédia en Français
Solid-state chemistry — is the study of the synthesis, structure, and physical properties of solid materials. It therefore has a strong overlap with solid state physics, mineralogy, crystallography, ceramics, metallurgy, thermodynamics, materials science and electronics … Wikipedia
Temperature-responsive polymer — A temperature responsive polymer is a polymer which undergoes a physical change when external thermal stimuli are presented. The ability to undergo such changes under easily controlled conditions makes this class of polymers fall into the… … Wikipedia
Transition Berezinsky-Kosterlitz-Thouless — En physique théorique la transition de Berezinky Kosterlitz Thouless est une transition de phase obtenue dans le modèle XY à deux dimensions (ou modèle planaire) en variant la température. Sommaire 1 La transition BKT 2 Autres modèles et… … Wikipédia en Français
transition element — Chem. any element in any of the series of elements with atomic numbers 21 29, 39 47, 57 79, and 89 107, that in a given inner orbital has less than a full quota of electrons. Also called transition metal. [1920 25] * * * Any chemical element with … Universalium
Solid-state drive — A solid state drive (SSD) is a data storage device that uses solid state memory to store persistent data. Unlike flash based memory cards and USB flash drives, an SSD emulates a hard disk drive interface, thus easily replacing it in most… … Wikipedia
Transition metal — The term transition metal (sometimes also called a transition element) has two possible meanings: The IUPAC definition[1] states that a transition metal is an element whose atom has an incomplete d sub shell, or which can give rise to cations… … Wikipedia
