辅助胶凝材料1. Some important kinds of supplementary cementious material were groud into a series of fineness and blended with P. 将各类辅助胶凝材料磨细至不同比表面积,按一定比例掺入同一纯硅酸盐水泥中制成相应的混合材水泥,通过回归分析,获取辅助胶凝材料在同一细度下各混合材水泥的活性指数。