Cinnabar is the main mineral material for polishing mercury. 丹砂是炼汞最主要的矿物原料。
The basic principle of mechanical activation and its application to the leaching process for raw non-ferrous minerals is briefly discussed. 本文简要讨论了机械活化的基本原理及其在有色金属矿物原料浸出过程中的应用。
