| 单词 | cyanide process |
| 释义 | cyanide process (once / 472773 pages) n WORD FAMILY cyanide process: cyanide processes USAGE EXAMPLESBy the cyanide process, i.e. dissolving the gold in potassium cyanide solution, and then precipitating the metal; 5. Various, Encyclopaedia Britannica, 11th Edit...(2011) The cyanide process, introduced about 1890, is now one of the most important factors in the utilization of low-grade and refractory gold and silver ores. Various, Encyclopaedia Britannica, 11th Edit...(2010) Again the milling results were not good, and what it demanded was the cyanide process. Duer, Douglas, The Plunderer(2010) n an industrial process for extracting gold and silver by treating ore with a sodium cyanide solution Hyper industrial process a systematic series of mechanical or chemical operations that produce or manufacture something |
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