选取硫酸钾作为激发剂对天然硬石膏进行活性激发，并分别掺入硅酸盐水泥与半水石膏进行改性。
Choosing potassium sulfate as an activator to stimulate the activity of natural anhydrite, and modified its properties by adding Portland cement and hemihydrate gypsum respectively.
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。
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.
研究表明，激发剂、成型水料比是影响脱硫石膏、粉煤灰胶结材性能的主要因素。
Studies have shown, excite agent and shaping concentration are the main factors to influence performance of binder produced by FGD gypsum and fly ash.
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