The results show that a proper air-entraining agent to be added not only can increase strength of cement polystyrene board effectively, but also decrease its density.
结果表明：适量引气剂的加入不仅可有效提高水泥聚苯板强度，还可降低密度；
Research on the affection of air-entraining agent to cement stabled rock mechanical function;
本文研究了不同的引气量和可调静子叶片安装角对压气机性能的影响。
Research on the affection of air-entraining agent to cement stabled rock mechanical function;
本文研究了不同的引气量和可调静子叶片安装角对压气机性能的影响。
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