| 单词 | zone refining |
| 释义 | zone refiningnouna technique for producing solids of extreme purity, esp for use in semiconductors. The material, in the form of a bar, is melted in one small region that is passed along the solid. Impurities concentrate in the melt and are moved to the end of the bar Words nearby zone refiningzone of interior, zone of leaching, zone of saturation, zone out, zone plate, zone refining, zonesthesia, zone system, zone time, Zonian, zonifugal Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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