• All these indicate that calcareous algae can be an important source material for natural gases.

    表明钙质藻类可能天然气一种重要母质来源

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  • This paper studies the influence of phosphate, calcareous material on set time of water glass-slag cement.

    研究磷酸盐、含材料水玻璃矿渣水泥凝结时间影响

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  • Lime with high activity should be utilized as calcareous material to produce super-light xonotlite and the activity of siliceous material should match that of calcareous material.

    制备超轻硬石制品必须使用高活性石灰作为钙质原料所使用的硅质原料活性与之相匹配

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  • Lime with high activity should be utilized as calcareous material to produce super-light xonotlite and the activity of siliceous material should match that of calcareous material.

    制备超轻硬石制品必须使用高活性石灰作为钙质原料所使用的硅质原料活性与之相匹配

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