为了研究粒度级配对淮南煤成浆性能的影响，采用三种粒度级配方案，对淮南煤单煤及配煤成浆性能进行比较。
M of Huainan coal, three grading size schemes are used to compare the features of coal water slurry of Huainan single coal and blended coal with different grading sizes.
采用溶剂-非溶剂法重结晶级配六硝基茋(HNS)，研究在同一系统中同时实现六硝基茋重结晶细化为不同粒径颗粒的粒度级配体系。
In the paper, the explosive HNS is recrystallization to different particle size and graded simultaneously by solvent anti-solvent method in the same system.
选用优质重烧镁砂及其它碱性复合材料，经合理的粒度级配与结合剂、添加剂混合而成。
The product is manufactured by using dead-burnt magnesia . other basic materials and binder through good grain size selection.
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