The influence of two kinds of grinding aids A and B on flowability, dispersedstate of particles and performance of mortars were investigated.
研究了助磨剂对普通硅酸盐水泥的流动性、颗粒分散度及其砂浆性能的影响并对作用机理进行了探讨。
2
Silica-supported bismuth molybdate catalysts were prepared by impregnation in a highly dispersedstate and by coprecipitation in a largely crystallized state.
分别利用浸渍法和共沉淀法在硅衬底上制备高分散态和大部分结晶态的钼酸铋催化剂。
3
For cleanness of waters in our country, it is essential to treat domestic sewage with purification tank under dispersedstate, besides sewage treatment plant under centralized state.