查询词典 chloroacetic acid

Under above conditions, 97.6 % of chloroacetic acid was converted.

在此反应条件下，氯乙酸的酯化率为97.6%。

Fibers with different degrees of carboxymethylation were prepared by controlling the ratio of the weight of fiber to chloroacetic acid.

通过控制氯乙酸和纤维的质量比得到不同反应程度的羧甲基纤维素纤维。

Results showed that chloroacetic acid was the best reagent for esterification and the catalyst had satisfactory catalytic activity and selectivity.

实验结果表明，氯乙酸是最佳酯化剂，催化剂具有较强的活性及选择性。

This thesis illustrates polymerization of PGA by using Chloroacetic acid contract-synthesize polymerization with solvent.

本论文主要研究了溶液缩聚法合成聚羟基乙酸的实验方法。

Based on the result of orthogonal experiment, theoptimum condition of the esterification reaction of chloroacetic acid with polyethylene glycolwas determined.

采用正交实验法对合成的双氯乙酸聚乙二醇酯的反应工艺条件进行了优化，确定了最佳合成路线。

A series of novel polyethylene glycol derivatives was synthesized by esterification of chloroacetic acid with polyethylene glycol.

介绍了一氯乙酸在农药、医药、日用化工及有机工业中的应用，评述了一氯乙酸的工业生产现状。

The model was applicable to most of the organics in the experiment, and wasnot well applicable to acetone and chloroacetic acid.

模型对大部分试验有机物都适用，对丙酮和氯乙酸的适用性较差。

The effects of mole ratio of chloroacetic acid to ethyl alcohol, catalyst dose, water-carrying agent dose and reaction time on the yield of ester are tested.

研究了氯乙酸与乙醇的摩尔比、催化剂用量、环己烷的用量、反应时间诸因素对产品收率的影响。

Chloroacetic acid is a very important intermediate of Pharmaceuticals, dyes, pesticides, cellulose derivatives.

为了控制二氯乙酸的生成，降低氯乙酸的物料消耗，本论文采用连续法合成氯乙酸。

Results The infra-red spectragram of the derivate showed the chitosan had been modified by chloroacetic acid.

结果修饰后的衍生物经红外图谱分析表明，壳聚糖已被氯乙酸所修饰。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。