研究了用石灰石替代石膏对单矿物c3s、C3A及硅酸盐水泥水化过程及性能的影响。
Effect of the substitution of gypsum with limestone on the hydration process and performance of C3S, C3A and Portland cement was explored.
用自制碳钢材蜗代替瓷材蜗，测定磷石膏制水泥生料中的碳含量，经济实用，简便、快速。
Using self-made carbon steel crucible instead of poroelain crucible is an economical, practical, simple and raoid way to determine the carbon content in cement raw meal with phosphogypsum.
实验结果表明，用石英砂、石膏和水泥来模拟岩体介质是可行的。
The test results indicate that it is feasible to use sand, plaster and cement to simulate rock body.
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 influences of adding calcined gypsum instead of dihydrate gypsum and adding a little limestone on the physical properties of cement were investigated.
研究结果表明：用化工石膏作缓凝剂，水泥性能符合国家标准规定。
Results show that, as the chemical gypsum was used as retarder, the cement properties can meet the requirements of the national standard.
研究结果表明：用化工石膏作缓凝剂，水泥性能符合国家标准规定。
Results show that, as the chemical gypsum was used as retarder, the cement properties can meet the requirements of the national standard.
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