氯乙酸的

The gas chromatography and gel permeation chromatography methods for determining the residues of 2,4-dichlorophenoxyacetic in bean sprout was developed.

建立了豆芽中2，4-二氯苯氧乙酸残留量的凝胶渗透色谱净化——毛细管柱气相色谱测定的方法。

It should be proof to constant influences 3% solution of acetic acid, chloramine or any another disinfectant substance, should be proof to chlorine substance.

它应该可以证明不影响三乙酸，氯胺消毒或任何其他物质％的解决办法，应该可以证明氯气的实质内容。

The yield of TAMD was only 20% without participation of acetic acid, and it was almost 0% without chloranil.

没有冰乙酸，醇色体的收率仅为20％；没有四氯苯醌，醇色体的收率几乎为零。

The effect of acetic acid and its consumption, chloranil and its consumption on the preparation of TAMD by means of dioxygen liquid-phase oxidation of TMAL was probed into, and the results showed that both of them had great influence on the yield of TAMD.

探讨了冰乙酸及其用量、四氯苯醌及其用量对氧气液相催化氧化孔雀绿隐色体制取孔雀绿醇色体的影响，发现二者对醇色体的收率和纯度均有很大影响。

European or Traditional Process - Direct Method: The direct process involves softening the beans by steam first, then washing them for about 10 hours with either a methylene chloride or ethyl acetate solution to absorb the caffeine from the bean.

欧洲或传统工艺-直接方法：直接过程涉及软化咖啡豆的蒸汽，然后洗涤他们大约10小时带有二氯甲烷或乙酸乙酯溶液吸收咖啡因的咖啡豆。

After ultraviolet radiation disinfection of the effluent from WWTP,microorganisms can revivify due to the photoreactivation effects.

污水厂出水经紫外线消毒后在排放过程中会出现微生物的复活现象，为此考察了采用UV—氯和UV—过氧乙酸控制光复活的效果。

Chloromethyl-4-hydroxyl-7-methyl-6,7-dihydrothiopheno pyrimidine,2-chloromethyl-4-methoxyl-7-methyl-6,7-dihydrothiopheno pyrimidine have been synthesized by the reaction of chloroacetamidine hydrochcoride 2-ethoxycarbonyl-4-methyl-tetrahydrothiophen-3-one and dimethyl sulphate in this paper.

以甲基丙烯酸乙酯、巯基乙酸乙酯和氯乙腈为原料高产率地合成了两种新型导电高分子单体化合物，并通过核磁氢谱、核磁碳谱、质谱等确定了它们的结构。

DETERMINATION OF VINYL IN VINYL CHLORIDE ACETATE COPOLYMERS.

氯乙烯一乙酸乙烯共聚物中醋酸乙烯的测定

The results indicated that the highest yield of BOC-indigo was 97% in CH2Cl2, and the lowest one was in PGMEA. It showed that the yield of BOC-indigo increased with high polarity and low molecular volume of solvent.

从实验结果得知，以极性较强且分子体积较小的二氯甲烷作为反应溶剂，其合成隐性颜料产率可达到97.2%，较四氢呋喃产率多4.4%，且较丙二醇甲醚乙酸酯产率多7.4%。

The compositions of ethyl acetate fraction, normal butyl alcohol fraction, and water fraction differed significantly.

通过GC-MS和HPLC分析，黑米抗氧化提取物的石油醚部和氯仿部成分以脂肪酸为主，乙酸乙酯部、正丁醇部和水部之间成分构成差异较大。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。