The thermodynamic parameters of carboxylic group and titrable phenolic hydroxyl group of humic acid are similar to that of simple hydroxy-benzoic acid.
腐植酸的羧基和可滴定的酚羟基在热力学性质上同简单的羟基苯羧酸相似。
Boric acid ester, tri ethanolamine salt of substituted benzoic acid and sodium gluconate were used as anti rust additives in water based cutting fluid.
以硼酸酯、取代苯甲酸乙醇胺盐、葡萄糖酸钠三者为混合防锈剂应用于切削液中,其中硼酸酯和取代苯甲酸乙醇胺盐有明显的协同效应。
The content of boric acid ester, tri ethanolamine salt of substituted benzoic acid, sodium gluconate in cutting fluid was 10%, 6%, 1%, respectively.
实际配方中硼酸酯、取代苯甲酸乙醇胺盐、葡萄糖酸钠的含量分别为10%、6%和1%。
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