he effects of using sulfite paper making waste,mirabilite and high-effeieney water reducer as composite grinding aids on the grinding efficiency and properties of cement were studied experimentally.

• 利用亚硫酸盐纸浆废液、芒硝和高效减水剂作复合助磨剂对水泥粉磨效率及其性能进行了试验研究。