A new method to determine the hardness of water by xylend orange indication under the (existence) of the cationic surface active agents is reported. In this method change of the terminal colour is more sensitive.
研究了在阳离子表面活性剂存在下,以二甲酚橙为指示剂测定水硬度的新方法,该方法终点颜色变化敏锐,结果令人满意。
参考来源 - 水硬度测定实验方法改进·2,447,543篇论文数据，部分数据来源于NoteExpress
Surface active agents. Industrial detergents containing solvent for washing hands. Specifications. Tests.
表面活性剂。车间洗手带溶剂洗涤剂。规范。试验。
If some surface active agents are added to the adding-calcium fly ash, a strong adding-calcium fly ash can be obtained.
若再掺入适量具有有表面活性的塑化剂，就被称为强力增钙粉。
Embeding model and adsorption model were presented in this paper to explain the behaviors of dyes in surface active agents.
提出染料在表面活性剂胶束中的嵌入和吸附模型，对染料在胶束中的行为进行了解释。
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