The micro structure and water resisting of gypsum building materials can be improved greatly by adding fly ash to gypsum system and activating its activation.
在石膏体系中掺入适量粉煤灰，通过对粉煤灰活性的充分激发，可显著改善石膏建材的微结构与耐水性。
2
The activation of steel slag with lower alkalinity by activators (lime and gypsum) in hydrothermal condition was researched.
分别以石灰和石膏作为低碱度钢渣的激发剂对低碱度钢渣的蒸压强度进行了研究。
3
The effect of superimposing activation of calcium oxide and gypsum was better than separateness.