运用相似原理，采用模拟放大方法，科学地确定了浮选机主要结构参数和动力学参数，研制成功了振荡分离高选择性浮选机。
With a simulation principle and simulation enlarged method, the paper scientifically selected the main structural parameters and dynamic parameters of the floatation machine.
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.
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