摘要：通过在水泥制备过程中所发生的现象,初步探讨在粉体制备过程中"逆粉磨"行为发生的机理,并通过使用分散剂,证明分散剂能有效地推迟"逆粉磨"行为。

关键词： 粉体;逆粉磨;分散剂

Abstract：T he“counter-milling” phenomenon and the dispersing agent to the counter-milling phenomenon effect in superfine milling are studied tentatively in the cement superfine milling．It is proved that the dispersing agent can postpone “ counter-milling”effectually． 

Keywords：powder；counter-milling；dispersing agent