The results show that lignin sulfonate serves the good function as reqlllating the coagulation time of COP rapid hardening high strength cement.
将绝热量热计与微机联用，研究了木质素磺酸盐对COP快硬早强水泥水化速率的影响。
The organic agents prescription of lignin, lignin sulfonate, humic acid in negative paste and the effects of them on negative plate performance were studied.
研究了木素、木素磺酸盐、腐殖酸等负极有机添加剂在负极铅膏中的配方及对负极性能的影响。
Compared with the existing method, the method for preparing the sodium lignin sulfonate water reducer has no pollution to the environment, the processes are simple and convenient, and the cost is low.
与现有方法相比，本发明的制备木质素磺酸钠减水剂的方法对环境没有污染，工序简便，成本低廉。
According to the results, the contents of sulfur is high in the lignin sulfonate, and the volatile matter is effected by the temperature.
实验结果表明：木质素磺酸盐含硫量高，而且挥发物质随温度变化大。
Taking account of the situation that moisture content of magnetite filter cake was on the low side, primary tests were carried out by using lignin calcium sulfonate as filter aid.
针对尖山矿磁铁矿粉滤饼水分偏高的情况，以木质素磺酸钙为助滤剂进行了初步试验。
Taking account of the situation that moisture content of magnetite filter cake was on the low side, primary tests were carried out by using lignin calcium sulfonate as filter aid.
针对尖山矿磁铁矿粉滤饼水分偏高的情况，以木质素磺酸钙为助滤剂进行了初步试验。
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