calcined gypsum produced by titanium gypsum is studied preparatorily.
对钛石膏炒制建筑石膏进行了初步的探索。
if industry wastes lime, calcined gypsum and sulfate are grinded with the high-calcium fly ash, activity increases, soundness improves, and activity index can meets the demand for s95slag.
the xrd characterization and chemical analysis of boron concentrates and tailings showed that pinnoite and calcined gypsum has been basically separated through reverse flotation.
the influences of adding calcined gypsum instead of dihydrate gypsum and adding a little limestone on the physical properties of cement were investigated.
研究了用烧石膏代替二水石膏并掺入少量石灰石对水泥物理性能的影响。
the calcined gypsum powder stays in the aging silo for about 2 days to make it mixed intensively and with better property, convenient for future use.