英语词汇“calcine”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

calcine

/ˈkalsʌɪn

/ /ˈkalsɪn/

verb [with object] (usually as adjective calcined)

Reduce, oxidize, or desiccate by roasting or exposing to strong heat: calcined bone ash...

Materials that are commonly calcined include phosphate, aluminum oxide, manganese carbonate, petrol coke, and sea water magnesite.
A smaller pit 5m away contained animal bone and burnt flint, including an axehead calcined by intense heat, and a unique pottery ‘golf ball’.
When metals were calcined, the terra pinguis escaped, leaving behind a metallic calx (what we today call an oxide).

Derivatives

calcination

/kalsɪˈneɪʃ(ə)n

/ noun ...

Oxidative calcination is commonly used to convert metal sulfide ores to oxides in the first step of recovering such metals as zinc, lead, and copper.
In the case of certain ores containing relatively inactive metals such as mercury, separation can be achieved by heating the ore in air, i.e., by oxidative calcination (also known as roasting).
It was assumed that metals give out phlogiston during calcination.

Origin

Late Middle English: from medieval Latin calcinare, from late Latin calcina 'lime', from Latin calx, calc- 'lime' (see calx).

单词	calcine
释义	calcine /ˈkalsʌɪn / /ˈkalsɪn/ verb [with object] (usually as adjective calcined) Reduce, oxidize, or desiccate by roasting or exposing to strong heat: calcined bone ash... Materials that are commonly calcined include phosphate, aluminum oxide, manganese carbonate, petrol coke, and sea water magnesite. A smaller pit 5m away contained animal bone and burnt flint, including an axehead calcined by intense heat, and a unique pottery ‘golf ball’. When metals were calcined, the terra pinguis escaped, leaving behind a metallic calx (what we today call an oxide). Derivatives calcination /kalsɪˈneɪʃ(ə)n / noun ... Oxidative calcination is commonly used to convert metal sulfide ores to oxides in the first step of recovering such metals as zinc, lead, and copper. In the case of certain ores containing relatively inactive metals such as mercury, separation can be achieved by heating the ore in air, i.e., by oxidative calcination (also known as roasting). It was assumed that metals give out phlogiston during calcination. Origin Late Middle English: from medieval Latin calcinare, from late Latin calcina 'lime', from Latin calx, calc- 'lime' (see calx).
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