• The effect of additives A, B and C on grinding ordinary Portland cement, slag cement and fly ash cement was studied in this paper.

    试验研究ABC三类小极性分子普通硅酸盐水泥矿渣 水泥 ,粉煤灰 水泥助磨作用

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  • The results show that the properties of chemical waste gypsum combined with the mixture of raw fly ash and high lime fly ash are b

    研究结果表明,当原状粉煤灰粉煤灰混合后再化工石膏复合研制材料,比两种灰单独掺加时效果好。

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  • The results show that the properties of chemical waste gypsum combined with the mixture of raw fly ash and high lime fly ash are b

    研究结果表明,当原状粉煤灰粉煤灰混合后再化工石膏复合研制材料,比两种灰单独掺加时效果好。

    youdao

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