讨论了改性剂种类与用量、给料速度与给料粒度对改性与粉碎效果的影响。
The effects of treatment agent kinds, treatment agent quantity, powder supply rate and particle size on superfine and surface modification are studied.
研究的主要内容是给料粒度与粉碎产物细度和能量效率的关系，以及喷嘴形状与能量效率的关系。
The main points are to represent the utilization ratio of energy as a series of functions of the grain size of feed material and the fineness of discharge al well as the nozzle form.
还必须很好地控制给料的粒度，以减少粒度效应，使矿粒的运动主要按比重进行。
The particle size of the feed must be well controlled to reduce size effect and make the particle motion primarily density-dependent.
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