这是指PAM 等在泥浆中对优质膨润土加以保护，使之稳定地分散在体系中,而对劣质粘土和岩屑则予以絮凝。这是实现不分散低固相泥浆钻井的重要条件。产生选择性絮凝，主要是利用不同结构的粘土和岩屑表面特性的差异( 主要是带电性)和部分水解聚丙烯酰胺综合作用的结果。
...键字: 一水硬铝石； 铝土矿； 选择性絮凝； 絮凝剂； 化学吸附[gap=998]Key words: diaspore; bauxite; selective flocculation; flocculant; chemical absorption...
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... selectively fired gun 选发式射孔器 selectively flocculate 选择性絮凝 selectivity index 选择性指数 ...
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选择性絮凝剂 selective flocculant
选择性絮凝-沉降工艺 selective flocculation-precipitation process
选择性磁种絮凝工艺 Flocculation process adding selection functional magnetic seeds
介绍了选择性絮凝分选原理和选择性絮凝在煤炭分选中的应用研究。
The principle of selective flocculation and the research of selective flocculation of coal separation are introduced in this paper.
选择性絮凝现有方法的分类可从吸附角度和动力角度两个大方面考虑。
In the view of adsorption and driving force, the selective flocculation method has been classified according to their characters.
研究结果表明，絮凝剂FD对微细粒黑钨矿具有良好的选择性絮凝特性。
The research resuLts show that flocculant FD has good selective flocculating property for wolframite fines.
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