Extraction of copper using N902 extractant from hydrochloric acid medium by atomized extraction way was investigated.

用N902萃取剂采用雾化萃取方式对盐酸介质中铜的萃取进行了研究。

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Technology of microbial metallurgy is applied widely at present, and it 's utilized in industrial extraction of copper.

目前生物冶金技术已广泛应用，并在铜的提取上实现了工业应用。

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The effect of nitrogen sparging on the mass transfer rate in the extraction of copper from aqueous solution by a kerosene solution of naphthenic acids was studied.

研究了氮注射对环烷酸萃取溶液中铜离子的质量转移速率的影响。

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The cost of extraction would be higher than the value of the copper to us.

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In my opinion, they want Mes Aynak to set a precedent -- to be a model for resource extraction of the one trillion dollars plus of valuable minerals like oil, copper, lithium and iron buried underneath Afghanistan.

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Chile is a positive example of how to use money generated from resource extraction, creating a stable budget long term: a commission of experts conservatively estimates the world market price of copper for the decade to come.

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