In the same modifier, as the increase of the using level of calciumactivator, the bulk density showed a descending trend gradually and the microaggregate showed an opposite trend gradually.
随着钙活化剂用量的增加，容重呈现逐渐下降的趋势，而微团聚体则呈现逐渐增加的趋势。
2
Enhancement mechanism of S-activator on high calcium PFA expansive cement was studied by means of DSC, XRD, SEM, etc.
采用DSC、XRD、SEM等微观分析方法研究了S -激发剂对高钙粉煤灰膨胀水泥的增强机理。
3
The activation of low content calcium oxide liquid slag with composite minerals sulfate activator was researched.