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.
离心力场强化了细粒级的选择性矿化，加快了浮选速度。
The selective mineralization for fine particles is strengthened in the centrifugal force field, resulting in a faster floatation speed.
针对含油废水中难分离的细粒级油分，结合溶气气浮技术和柱浮选技术的优点，提出利用溶气析出式浮选柱处理含油废水。
For the granule oil-bearing wastewater that is difficult to separate, a new device of air dissolution releasing column is developed based on the air dissolution floatation and column floatation.
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