vacuum sublimation

См. также в других словарях:

• crystal growing by the vacuum sublimation — sublimacinis kristalų auginimas statusas T sritis fizika atitikmenys: angl. crystal growing by the vacuum sublimation vok. Kristallzüchtung durch Vakuumsublimation, f rus. выращивание кристаллов методом вакуумной сублимации, n; выращивание… …   Fizikos terminų žodynas

• Sublimation (phase transition) — Dark green crystals of nickelocene, freshly sublimed on a cold finger …   Wikipedia

• Sublimation (chemistry) — Sublimation of an element or compound is a transition from the solid to gas phase with no intermediate liquid stage. Sublimation is an endothermic phase transition that occurs at temperatures and pressures below the triple point (see phase… …   Wikipedia

• Sublimation apparatus — is a piece of laboratory glassware used in the technique of sublimation usually used by chemists to purify compounds. Typically a solid is placed in a vessel which is then heated under vacuum. Under this reduced pressure the solid volatilizes and …   Wikipedia

• vacuum technology — Introduction       all processes and physical measurements carried out under conditions of below normal atmospheric pressure. A process or physical measurement is generally performed in a vacuum for one of the following reasons: (1) to remove the …   Universalium

• Vacuum — This article is about empty physical space or the absence of matter. For other uses, see Vacuum (disambiguation). Free space redirects here. For other uses, see Free space (disambiguation). Pump to demonstrate vacuum In everyday usage, vacuum is… …   Wikipedia

• Vacuum pump — A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. The vacuum pump was invented in 1650 by Otto von Guericke. Types Pumps can be broadly categorized according to three… …   Wikipedia

• sublimation — sub·li·ma·tion (sŭb lə māʹshən) n. 1. The act or process of sublimating. 2. Something that has been sublimated. * * * In physics, the change of state of a substance from a solid to a gas without first becoming liquid. One example is the… …   Universalium

• croissance des cristaux par sublimation — sublimacinis kristalų auginimas statusas T sritis fizika atitikmenys: angl. crystal growing by the vacuum sublimation vok. Kristallzüchtung durch Vakuumsublimation, f rus. выращивание кристаллов методом вакуумной сублимации, n; выращивание… …   Fizikos terminų žodynas

• Ultra high vacuum — (UHV) is the vacuum regime characterised by pressures lower than about 10−7 pascal or 100 nanopascals ( 10−9 torr). UHV requires the use of special materials in creating the vacuum system, extreme cleanliness to maintain the vacuum system, and… …   Wikipedia

• Titanium sublimation pump — Titanium sublimation pumps may be used as a component of ultra high vacuum systems. It consists of a titanium filament through which a high current is passed. The heat causes titanium atoms to sublimate from the filament and react with gas… …   Wikipedia