实验结果表明，BET的浮选效果要优于普通煤用浮选药剂，尤其是用于高硫煤的浮选时，它有很强的选择性。
The results manifested that the floatation effect of BET is better than that of other common floatation reagents and has a higher selectivity especially in high-sulfur coal sample floatation.
这几种表面活性剂对煤浮选有良好的促进作用，具有捕收能力强、选择性高、节油明显等优点，有较好的应用前景。
The tests show that the surfactants have good behaviour in floatation, and have advantages, such as good collective power, high selectivity and saving oil , so they have good prospect.
研究了以油酸钠为捕收剂浮选赤铁矿时，氟硅酸铵对含铁硅酸盐脉石矿物霓石的选择性抑制作用。
The selective depression of ammonium fluorosilicate on aegirite, an iron-containing silicate gangue mineral, in hematite flotation using sodium oleate collector was investigated.
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