... Measurement of Magnetic Property 磁性测量 measurement of molecular property 分子性质测定 Property measurement 房产测量 ...
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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 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%.
在理化性质测定方面，将葛根素分子结构中的4’-酚羟基进行酰化后其理化性质发生了一定的变化。
When we acylated the 4'-phenolic hydroxyl group in the molecular structure of puerarin, the derivatives'physico-chemical properties had some changes.
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