Low alkaline liquid state setting accelerator(LSA) for Portland cement was prepared in laboratory from aqueous solution ......

本文首先将二水硫酸钙粉料在200℃空气氛围中煅烧1h,制得β-半水硫酸钙(β-CSH)；然后研究了生物相容性固化促凝剂和保压压力对提高......