1.The muscovado retarder is more retarder through the setting time experiments of several retarder applied the different brand cement and muscovado applied under the hot conditions.

1.通过对凝剂与不同品牌水泥净浆凝结间试验和赤砂糖凝剂在高温件的水泥净浆凝结间试验发现赤砂糖凝剂是较理想的凝剂。