酸碱性（Acid-Base Properties）(2) Isoelectric Point (氨基酸的等电点)如果在某一pH 值下，氨基酸所带正电荷的数目与负电荷的数目正好相等，即净电荷为零，则称...
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surface acid-base properties 表面酸碱特性
surface acid base properties 表面酸碱性质
It was found that the substituent attached at the phenyl exerted influence on the yields of synthesis, on the experimental conditions of sulphonation and on the acid-base properties of the reagent.
研究表明，芳醛上取代基不同对卟啉的合成、磺化和试剂的离解平衡等有一定的影响。
The first work of this paper is measuring physical properties of chitosan. Degree of deacetylation(DD)of chitosan determined by acid base titration is about 83%.
实验首先对原料壳聚糖的物理性质进行测定：采用酸碱指示剂滴定法测定壳聚糖的脱乙酰度约为83%，应用粘度法测定其粘均分子量为十万左右。
The structure and properties of macroporous strong base - weak acid amphoteric resin were studied by using IR and DTA.
利用红外光谱、差热分析对大孔强碱弱酸两性树脂的结构与性能作些探讨。
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