If industry wastes lime, calcined gypsum and sulfate are grinded with the high-calcium fly ash, activity increases, soundness improves, and activity index can meets the demand for S95slag.
采用工业废石灰、煅烧磷及无机盐激发剂，加上短时粉磨处理以激发高钙灰，可显著改善其安定性，活性指标可达到S95矿渣粉水平。
The was used as aluminum sulfate prepared from fly ash contains lots of iron. The product was disqualification.
以粉煤灰为原料制备的硫酸铝中含有大量的铁，产品质量达不到标准。
Main Products: baking soda, industrial ammonium chloride, soda ash, caustic soda, potassium chloride, calcium chloride, copper sulfate, etc.
主要经营产品：小苏打，工业氯化铵，关节轴承纯碱，片碱，氯化钾，氯化钙，硫酸铜等。
The result shows that high content fly ash active powder concrete has small volumetric shrinkage and excellent anti-carbonization resistance to penetration of chlorine ion and to sulfate corrosion.
研究结果表明，大掺量粉煤灰活性粉末混凝土具有较小的体积收缩率，抗碳化、抗氯离子渗透、耐硫酸盐浸蚀性优异。
Through analysis of the hydration process and mechanism of sulfate activating fly ash, this paper studies on comparison of the cause and the difference on activation effect.
通过分析硫酸盐激发粉煤灰活性的水化反应过程和机理，比较研究硫酸盐对粉煤灰活性激发的差别及其原因。
Soda ash and caustic soda are basic raw material in chemical industry. Existence of sulfate in brine has great impact on the production of soda and refined salt.
烧碱和纯碱是基本化工原料， 盐卤中硫酸根的存在严重影响这两种碱及精制盐的生产。
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。
The research results are directive and with reference value for development of the new process of soda ash and ammonium sulfate co production by mirabilite.
研究结果对芒硝联产纯碱和硫酸铵新工艺的研究和开发具有指导和参考意义。
The results show that concrete with 40 percent fly ash has good properties of strength, resistance permeating of Cl-and resistance erosion of sulfate. Besides, it has a small shrinkage ratio.
试验结果表明，添加了40%以上粉煤灰的混凝土仍有较好的强度，较好的抗氯离子渗透、抗硫酸盐侵蚀等性能，且具有较小的体积收缩率。
Concrete mingled with fly ash, slag and silica fume and other admixtures are thought to effectively improve the anti-sulfate durability of concrete.
在混凝土中掺入粉煤灰、矿渣和硅灰等掺合料被认为能有效提高混凝土抗硫酸盐耐久性。
Concrete mingled with fly ash, slag and silica fume and other admixtures are thought to effectively improve the anti-sulfate durability of concrete.
在混凝土中掺入粉煤灰、矿渣和硅灰等掺合料被认为能有效提高混凝土抗硫酸盐耐久性。
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