... pre emergency treatment 事前膨胀处理 pre leaching treatment 浸出前处理 pre transplanting treatment 种前处理 ...
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The pre-treatment of them before conventional cyanide leaching includes roast, chemical oxidation and biological oxidation.
在传统氰化浸出之前进行的预处理过程包括焙烧，化学氧化和生物氧化。
The phase and morphology of exhausted catalyst before and after microwave radiation-pre- treatment and leaching are characterized by XRD and SEM techniques.
采用X射线衍射（XRD）和扫描电子显微镜（SEM）对微波辐射预处理前后和浸出前后的物相及废催化剂形貌进行了表征。
The effect of pre-treatment of the asbestos tailings on the acid leaching reaction of asbestos tailings was studied.
本文就石棉尾矿的预处理对石棉尾矿与酸反应效果的影响进行了研究。
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