Results show that, as the chemical gypsum was used as retarder, the cement properties can meet the requirements of the national standard.
研究结果表明：用化工石膏作缓凝剂，水泥性能符合国家标准规定。
The influence of activator on strength and free linear dilatability and sulfate resistance of chemical waste gypsum - fly ash new road building material as well as action of water reducer are studied.
研究了激发剂对化工废石膏—粉煤灰新型道路建筑材料的强度和自由线膨胀率等性能的影响，以及减水剂的作用和新型道路建筑材料的抗硫酸盐侵蚀性能等。
Laboratory research work was introduced for the development of new cement by the use of industrial waste such as chemical waste gypsum, etc.
介绍了利用化工废石膏等工业废渣研制新型复合胶凝材料的实验室研究工作。
The modification action of heat excitation on the physical properties of the composite binding material prepared with waste chemical gypsum and fly ash is studied in this paper.
本文研究了热激发对化工废石膏—粉煤灰复合胶凝材料物理性能的改性作用。
The results show that the properties of chemical waste gypsum combined with the mixture of raw fly ash and high lime fly ash are b…
研究结果表明，当原状粉煤灰与高钙粉煤灰混合后再与化工废石膏复合研制的材料，比两种灰单独掺加时效果好。
The results show that the properties of chemical waste gypsum combined with the mixture of raw fly ash and high...
研究结果表明，当原状粉煤灰与高钙粉煤灰混合后再与化工废石膏复合研制的材料，比两种灰单独掺加时效果好。
The XRD characterization and chemical analysis of boron concentrates and tailings showed that pinnoite and calcined gypsum has been basically separated through reverse flotation.
此外，还考察了擦洗对硼矿富集的影响，结果表明擦洗可以有效去除柱硼镁石矿中的可溶性盐，改善了浮选效果。
The XRD characterization and chemical analysis of boron concentrates and tailings showed that pinnoite and calcined gypsum has been basically separated through reverse flotation.
此外，还考察了擦洗对硼矿富集的影响，结果表明擦洗可以有效去除柱硼镁石矿中的可溶性盐，改善了浮选效果。
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