The cement setting time at different temperatures has been measured through choosing citric acid, sugar and sodium gluconate as the retarders of iron Portland cement.
通过选用柠檬酸、白糖、葡萄糖酸钠为矿渣硅酸盐水泥的缓凝剂，测定了不同温度下水泥的凝结时间，分析了温度对混凝土缓凝剂最优掺量的影响规律。
The results show that composite inhibitors have excellent corrosion inhibition efficiency and won't give bad effect on cement setting time , flexural strength and compressive strength.
结果表明，三元复合缓蚀剂具有良好的缓蚀效果且不会对水泥凝结时间和强度产生不良影响。
The effect of gypsum content on the hydration, compressive strength and setting time of Ba-bearing aluminoferriate cement was presented.
介绍了石膏含量对含钡铁铝酸盐水泥的水化、抗压强度和凝结时间等性能的影响。
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