| 单词 | zone-refine |
| 释义 | > as lemmaszone-refine zone-refine v. (transitive) . ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > work with metal [verb (transitive)] > refine > by specific method calcinec1386 calcinate1559 calcinize1606 cupel1644 decrepitate1646 scorify1755 cupellate18.. retort1850 liquate1864 star1886 zone-refine1962 zone level1974 zone-melt1982 1962 New Scientist 5 Apr. 813/2 To zone-refine and produce single crystals from such [refractory] materials, N. V. Philips's Gloeilampenfabrieken, Eindhoven,..has developed a carbon-arc image furnace. 1978 P. W. Atkins Physical Chem. x. 301 Bismuth is normally regarded as a hard, brittle metal, yet when it has been zone refined it forms rods which can be bent without fracture. < as lemmas |
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