This paper studies the influence of phosphate, calcareousmaterial on set time of water glass-slag cement.
研究了磷酸盐、含钙材料对水玻璃—矿渣水泥的凝结时间的影响。
2
Lime with high activity should be utilized as calcareousmaterial to produce super-light xonotlite and the activity of siliceous material should match that of calcareousmaterial.
制备超轻硬硅钙石制品必须使用高活性的石灰作为钙质原料，而所使用的硅质原料活性应与之相匹配。
3
All these indicate that calcareous algae can be an important source material for natural gases.