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单词 flash-roast
释义

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flash-roast
flash roasting n. Metallurgy (see quot. 1958); so flash-roast v. trans.
ΘΚΠ
society > occupation and work > industry > working with specific materials > working with metal > [noun] > extraction from ore > other processes
hydrometallurgy1864
flash roasting1926
society > occupation and work > industry > working with specific materials > working with metal > work with metal [verb (transitive)] > extract from ore > other processes
roast1582
excoct1601
torrefy1686
chloridize1870
chlorinate1875
flash-roast1951
1926 D. M. Liddell Handbk. Non-ferrous Metall. II. Index 1428/2 Flash roasting.
1951 Engineering 20 July 75/2 Hydrogen sulphide in town's gas can be obtained by flash-roasting iron pyrites.
1958 A. D. Merriman Dict. Metall. 95/1 Flash roasting, a process for removing sulphur from ores by blowing the pulverised concentrates through a combustion chamber.
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更新时间:2024/12/23 12:21:50