difficult separation coal [矿业] 难选煤
dense-medium separation coal 重介选煤
coal pneumatic separation [矿业] 风力选煤
underground coal separation 井下选煤
fine coal separation 细粒煤分选
steam coal separation 动力煤分选
coal separation 煤泥分选
dry coal separation 干法选煤
raw coal separation 原煤分选
lump coal separation 造成块煤分选
In recent years, the magnetic carrier method has been widely applied in biology cell separation, wastewater treatment, coal desulfurization and mineral exploitation [4, 5].
近年来，磁载体法已经在生物细胞分离，废水处理，燃煤脱硫和矿物加工等过程中得到广泛地应用[4,5]。
Jigging separation is an important way of coal processing.
跳汰选煤是煤炭行业的重要选煤方法。
The result shows that the bubble is an important factor influencing coal separation, and the variation of its volume fraction is closely related to the variation of density of ADMFB.
结果表明：气泡是影响分选精度的重要因素，其体积分率的变化与床层密度波动密切相关。
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