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- Results The degree of deacetylation of chitosan was found to be about 80%. 结果壳聚糖澄清剂的脱乙酰度约80%25,在澄清液中壳聚糖残留量小于0。
- The effect of degradation conditions on the degree of deacetylation and instinct viscosity of chitosan is also studied. 采用正交设计，探讨降解条件对产物脱乙酰度、特性粘度等的影响。
- A rapid method for determining the degree of deacetylation of chitosan using near-infrared spectroscopy is proposed,which calibrating by CP/MAS NMR. 用固态CP/MAS NMR对壳聚糖的脱乙酰度进行测定,建立快速测定壳聚糖的脱乙酰度的近红外方法。
- Object To study the degree of deacetylation of chitosan and its residual amount left over in the clarified products when chitosan was used as a clarificant. 目的对壳聚糖澄清剂的脱乙酰度及精制后的中药水提液中壳聚糖的残留量进行了探讨。
- Results showed that the purity of such chitosan is 95%,the degree of deacetylation is 92%,and the viscosity average molecular weight is 85000.The AMC has remarkable anti-aging effects. 结果得到的AMC,含量为95%25,脱乙酰度92%25,粘均分子量为85000,其具有显著的抗衰老作用。
- The determination of the degree of deacetylation of chitosan by linear potentiometric titration was studied, and the determined values were compared with the values determined by acid-base titration. 采用线性电位滴定法测定壳聚糖的脱乙酰度,并与酸碱指示剂滴定法测定的结果进行比较,结果表明线性电位滴定法测定比较适合粘度高的样品,且分析速度快,操作简单,精密度高。
- The degree of sharpness of a cutting blade. 锋利程度切割刀锋的锋利程度
- The chitosan was prepared from chitin by deacetylating and the degree of deacetylation was 83%. 甲壳素通过脱乙酰化制备壳聚糖,脱乙酰度可达83%25。
- The degree of B.A. was awarded to her. 她被授予文学士学位。
- Hyde proceeded to the degree of M.A. at twenty. 海德20岁时就取得文学硕士学位。
- The degree of trust I have in her is not much. 我不是很信任她。
- The degree of his drinking was known only to them. 他的酒量只有他们俩知道。
- He will proceed to the degree of M. A. This year. 他准备今年取得文科硕士学位。
- Keywords Chitin;Chitosan;the degree of deacetylation;measurement; 甲壳素;壳聚糖;脱乙酰度;测定方法;
- The degree of bleaching obtained. 漂白度漂白的程度
- The degree of concavity in such a depression. 凹陷，凹度这种凹陷的程度
- She has attained the degree of Master of Arts. 她已获得文学硕士学位。
- Do you know the degree of the round angle? 你知道周角的度数吗?
- The degree of sharpness of a cutting blade . 刀锋有几个地方缺口。
- Determination of the Degree of Deacetylation of Chitin by UV Spectrophotometry 紫外分光光度法测定甲壳素的脱乙酰度
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
