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单词 parkes process
释义 parkes process
\ˈpärks, ˈpȧks-\ noun
Usage: usually capitalized 1st P
Etymology: after Alexander Parkes died 1890 English chemist
: the principal process of desilverizing lead in which zinc is added to molten lead and the silver and gold are absorbed in an alloy of zinc, lead, and silver that rises to the top and is skimmed off
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更新时间:2024/9/21 11:04:27