微细粒级的样品(2毫米)在玛瑙研钵中呈细粉末状。
The finer fraction (2 mm) of the samples was finely powdered in an agate mortar.
半工业试验和工业试验表明，微泡浮选柱能从浮选尾矿中回收微细粒级白钨。
Pilot and full scale column flotation experiments were carried out, and interrelated results were obtained.
研究结果对以煤作为燃料改造攀钢选钛厂微细粒级钛精矿干燥系统具有重要的参考价值。
The research has a very important economic significance for reformation of the dry system of minute titanium particles of Panzhihua titanium Concentrating Plant as the fuel with solid coal.
适用于微细粒级黑色、有色及贵重稀有金属矿物的分选回收，也可用于各种矿山尾矿中微细金属矿的回收。
Apply to the microgranular level black, non-ferrous and precious rare metal mineral separation recycling, also can be used for all kinds of mine tailings of deposits in the recovery of the fine.
适用于微细粒级黑色、有色及贵重稀有金属矿物的分选回收，也可用于各种矿山尾矿中微细金属矿的回收。
Apply to the microgranular level black, non-ferrous and precious rare metal mineral separation recycling, also can be used for all kinds of mine tailings of deposits in the recovery of the fine.
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