| 1. | On the base of experiment & study of tile influence of different gypsum on performance of portland - sulphoalminate composite cement system as set time , water requirement of normal consistence , strength , ect , the influence mechanism was discussed 摘要在试验研究不同石膏品种对硅酸盐硫铝酸盐复合体系水泥凝结时间、标准稠度需水量、强度等性能影响的基础上,探讨了石膏品种对硅酸盐硫铝酸盐复合体系水泥性能的影响机理。 |