Chemical leaching is widely applied to geochemical research of sediments.
选择性的化学淋溶实验，广泛用于沉积物的地球化学研究中。
Aimed at the similar characteristics of ores in the same deposit, the chemical dynamic model for ore leaching is established.
针对同一矿床矿中矿石具有的相近特点，建立了矿石浸出过程中的化学动力学模型。
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。
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