通过粗煤泥分选工艺的现状分析，提出对粗煤泥经棒磨后进行浮选的新工艺，并对某厂的粗煤泥进行了可行性试验。
Through the analyse on the current situation separation process of coarse slime, a new floatation technology about coarse slime separation after rod milling was presented.
一般地说，钢质棒料、锻件、铸件等只经一次粗切削和一次精切削即可达到所要求的形状和尺寸。
Generally speaking, bars of steel, forging, castings, etc. are machined to the required shape and size with only one roughing and one finishing cut.
以莪术为材料，经热水提取、酒精沉淀、脱色、脱蛋白得粗多糖。
Crude polysaccharide was gained by hot water extraction, alcohol precipitation, decolorization and deproteinization.
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