种助 meaning in English

tanesuke

The dispersity and stability of the graphite aqueous suspensions was investigated with centrifugation , the violet visible spectrophotometer , the laser particle size analyzer and scanning electron microscopy ( sem ) . the following aspects of the production technique were carefully studied : 1 . the effects of surfactants , poly ( vinyl alcohol ) ( pva ) , poly ( vinyl pyrrolidone ) ( pvp ) , sodium alginate ( sa - na ) and poly ( sodium acrylate ) ( pa - na ) on the suspension stability of graphite were investigated
本研究的主要内容有以下三个方面: 1 、研究了阴离子表面活性剂、非离子表面活性剂、聚乙烯醇( pva ) 、聚乙烯基吡咯烷酮( pvp ) 、海藻酸钠( sa - na ) 、聚丙烯酸钠( pa - na )对石墨在水中分散性和稳定性的影响; 2 、研究了分散方法、分散介质、 ph值及羧甲基纤维素钠( cmc )含量对石墨在水中分散性和稳定性的影响; 3 、研究了聚乙烯醇( pva ) 、聚乙烯基吡咯烷酮( pvp ) 、海藻酸钠( sa - na ) 、聚丙烯酸钠( pa - na )四种助分散剂与羧甲基纤维素钠( cmc )复配对石墨在水中分散性和稳定性的影响。