| 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. |