grinding ore size 研磨尺寸
Theoretical reason of reducing ball size of coarse grinding has been found through tests on compressive strength of rock and rupture stress of natural ore lump.
通过岩矿的抗压强度和自然矿块破断力力学试验研究，找到了降低粗磨机钢球尺寸的理论依据。
The particle size of grinding circuit is the important factor to the grade of concentrated ore and metal recovery rate.
磨矿分级作业是选矿生产过程中至关重要的环节，磨矿粒度的好坏直接影响到浮选的精矿品位和回收率。
The new method of grinding media consumption study according to different ore properties, different requirement on grinding size and different grinding equipment is introduced.
提出了按矿石性质、 粒度要求、工艺设备不同进行磨矿介质消耗研究的新方法。
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