beta-quartz

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• beta quartz — beta kvarcas statusas T sritis chemija apibrėžtis Aukštatemperatūrė polimorfinė kvarco (SiO₂) atmaina, kristalizuojasi ir patvari 573–870 °C temperatūroje. atitikmenys: angl. beta quartz rus. бета кварц …   Chemijos terminų aiškinamasis žodynas

• beta kvarcas — statusas T sritis chemija apibrėžtis Aukštatemperatūrė polimorfinė kvarco (SiO₂) atmaina, kristalizuojasi ir patvari 573–870 °C temperatūroje. atitikmenys: angl. beta quartz rus. бета кварц …   Chemijos terminų aiškinamasis žodynas

• quartz — quartzose /kwawrt sohs/, quartzous /kwawrt seuhs/, adj. /kwawrts/, n. one of the commonest minerals, silicon dioxide, SiO2, having many varieties that differ in color, luster, etc., and occurring either in masses (as agate, bloodstone, chalcedony …   Universalium

• Quartz inversion — The alpha to beta quartz inversion is one of the most important factors to be considered in the production of vitreous sanitary ware. [Maguire, Andrew. Graduate Thesis (n.20). Alfred University, 1958] Between 575 and 600 degrees celsius, there s… …   Wikipedia

• Quartz Beta — Quartz Beta[1] Catégorie IX : silicates[2] …   Wikipédia en Français

• Quartz (mineral) — Quartz (minéral) Pour les articles homonymes, voir Quartz. Quartz Catégorie IX : silicates …   Wikipédia en Français

• Beta Colony — is an important planet (although rarely the setting) in Lois McMaster Bujold s science fiction series the Vorkosigan Saga. The planet s biome is almost entirely desert, described as screaming hot, and the colony itself exists primarily… …   Wikipedia

• Quartz Composer — est un langage de programmation visuel, fourni depuis Mac OS X 10.4 avec le logiciel Xcode, spécialisé dans le traitement et le rendu de données graphiques. Réaliser un programme consiste à connecter entre eux des blocs de traitement. Quartz… …   Wikipédia en Français

• Quartz clock — A quartz clock is a clock that uses an electronic oscillator that is regulated by a quartz crystal to keep time. This crystal oscillator creates a signal with very precise frequency, so that quartz clocks are at least an order of magnitude more… …   Wikipedia

• Quartz (graphics layer) — Mac OS X graphics model Rendering QuickDraw • Core OpenGL Quartz 2D • Core Image Core Animation • Core V …   Wikipedia

• Mac OS X Public Beta — Part of the Mac OS X family A screenshot of Mac OS X Public Beta. Notice the Apple menu logo in the middle of the menu bar. Developer …   Wikipedia