pre leaching operation 浸出前处理
pre leaching treatment 浸出前处理
pre-leaching 预浸出
pre-leaching operation 浸出前处理
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 finish of the hand is achieved by electroplating involving several stages: leaching, degreasing, pre-nickelplating and nickelplating, along with numerous rinses.
指针的表面电镀需经过下列几道工序：过滤、去油脂、预镀镍、镀镍，之间还穿插了数次清洗。
In this paper the application and recent developments of heap leaching technology abroad are pre sented, and the main technological and economic performances of heap leaching operations are listed.
本文简要介绍国外堆浸技术的应用情况和最近的进展，详细列举了部分堆浸矿山的技术经济指标。
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