- zone-purified
- зонной очистки (напр. о железе)
English-Russian dictionary of mechanical engineering and automation. - RUSSO. B.S. Voskoboinikov, V.L. Mitrovich. 2003.
zone-purified
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Zone melting — is a method of separation by melting in which a molten zone traverses a long ingot of impure metal or chemical. In its common use for purification, the molten region melts impure solid at its forward edge and leaves a wake of purer material… … Wikipedia
zone melting — noun see zone refining * * * a process of purifying any of various metals and other materials, as germanium or silicon, by passing it in bar form through an induction coil. Also called zone refining. Cf. cage zone melting. [1955 60] * * * zone… … Useful english dictionary
zone refining — noun Date: 1952 a technique for the purification of a crystalline material and especially a metal in which a molten region travels through the material to be refined, picks up impurities at its advancing edge, and then allows the purified part to … New Collegiate Dictionary
zone refining — noun also zone melting : a technique for the purification of a crystalline material (as a metal or semiconductor) in which a molten region travels through the material to be refined, picks up impurities at its advancing edge, and then allows the… … Useful english dictionary
cage zone melting — zone melting of a square bar of the material to be purified, done so that the impurities are concentrated at the corners. * * * … Universalium
cage zone melting — zone melting of a square bar of the material to be purified, done so that the impurities are concentrated at the corners … Useful english dictionary
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Displacement chromatography — is a chromatography technique in which a sample is placed onto the head of the column[n 1] and is then displaced by a solute that is more strongly sorbed than the components of the original mixture. The result is that the components are resolved… … Wikipedia
dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or … Universalium
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Silicon — Not to be confused with the silicon containing synthetic polymer silicone. aluminium ← silicon → phosphorus C ↑ Si ↓ Ge … Wikipedia
