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单词 desilverize
释义 desilverize, v.|diːˈsɪlvəraɪz|
[f. de- II. 1.]
trans. To extract the silver from (lead or other metal).
1872Raymond Statist. Mines & Mining 450 Two systems..desilverizing and refining two charges of [lead] in twenty-four hours.1886A. J. Balfour Question 1239 Gold & Silver Comm., The cost of desilverising the copper.
Hence deˈsilverized ppl. a., deˈsilverizing vbl. n. and ppl. a.; also desilveriˈzation.
1870J. Percy (title), The Metallurgy of Lead, including Desilverization and Cupellation.1872Raymond Statist. Mines & Mining 449 The desilverizing kettle holds 22,000 pounds of lead.1879Cassell's Techn. Educ. IV. 49/2 In lead pipes the soft desilverised lead is considered best.
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更新时间:2024/11/13 6:37:39