This paper discusses the influence of some factors such as cell depth, rotational speed, aeration quantity, filling material etc, on floatation of phosphate ore of various genesis.
本文研究了实验室型浮选机槽深、转速、充气量和填料诸因素对不同成因磷矿浮选的影响。
The results show that the factors arragned in important order as the follows:the quantity of iron scrap, graphite, ancillary material A, treatment time, aeration time.
实验结果表明影响因素的重要性依次为铁屑用量、石墨用量、辅料A用量、处理时间、曝气时间。
The law of treatment of coking waste water with activated carbon was studied. The influence of particle size of activated carbon, dozing quantity and aeration amount was investigated.
研究了活性炭处理焦化废水的规律，考察了活性炭的粒径、投加量和曝气量的影响。
By using the black? Box model, the variation quantity of COD passing the aeration zone layer is determined.
通过黑箱模型，确定了COD经包气带地层的变化量。
By using the black? Box model, the variation quantity of COD passing the aeration zone layer is determined.
通过黑箱模型，确定了COD经包气带地层的变化量。
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