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1·In this paper, effect of anhydrite calcined at different temperatures on the hydration of Portland cement is studied.

研究了不同温度煅烧的硬石膏对硅酸盐水泥水化过程的影响。

2·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.

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。