It is proved that activated coal gangue can improve the cementitious behaviour of compound cement.
试验证明，经过活化的煤矸石可以改善复合水泥的胶凝性能。
The testing of air void parameters could been influenced directly by regarding stone powder as cementitious materials.
石粉是否作为浆体材料对于碾压混凝土的气泡参数测定有直接影响。
In accordance with our invention we add a novel relatively smooth-surfaced vesicular expanded perlite to the cementitious mixture.
根据本发明，我们向黏性混合物中添加新颖的、表面相对光滑、多孔状的膨胀珍珠岩。
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