查询词典 acetic

Methods: Sample preparation with acetic ether-QuEChERS, and then five kinds of pesticide residues in celery cabbage were determined by gas chromatography with electron detector.

采用乙酸乙酯－QuEChERS法进行样品前处理，结合气相色谱－电子捕获检测器对大白菜中5种常见拟除虫菊酯农药残留进行检测分析。

The new method for the determination of Amino acetic acid with flow injection chemiluminescence is here described.

在优化的实验条件下，氨基乙酸在1.0×10-7~1.0×10-4kg.L-1的质量浓度范围内与化学发光信号强度呈良好的线性关系，检出限(3σ)为3×10-8kg.L-1。

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 yield of TAMD increased rapidly with increased amount of acetic acid and chloranil in a certain scope, and the yield decreased gradually beyond that scope.

在一定的范围内，醇色体的收率随着二者用量的增加而增加，超出这个范围，收率呈逐渐下降的趋势。

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。

The results show, there are many methods for Chloroacetic acid production, but only the Catalytic Chlorination of acetic acid is extensively applied.

结果表明，氯乙酸的生产方法很多，但只有乙酸催化氯化法实现了广泛应用。

Methanol can be further processed to hundreds of organic products, such as formaldehyde, MTBE, acetic acid, sodium methoxide, chloromethane , methyl formate, formamide, 2-methyl formamide etc., the demand for those will be expand in future:① in 2000, the production of formaldehyde is 2,068,000 tons, along with our country continue reinforce the infrastructure, the consumption of formaldehyde will increase rapidly.

甲醇可深加工的有机化工产品有上百种，如甲醛、 MTBE、醋酸、甲醇钠、氯甲烷、甲酸甲酯、甲酰胺、二甲基甲酰胺等等，预计这方面的需求今后会有适度发展：① 2000年我国甲醛产量达206.8万吨，近年随着我国基本建设的不断加强，甲醛消费量增长迅速。

Main business scope: polyformaldehyde methylal methanol sodium nitrite sodium sulfide protopine xylene glacial acetic acid soda ash Ethyl acetate ion-exchange membrane caustic soda Chloromethane AEO-9 polyethylene glycol and other major raw materials and products.

多聚甲醛甲醇甲缩醛亚硝酸钠硫化碱片碱二甲苯纯碱冰醋酸醋酸乙酯离子膜烧碱 AEO-9 氯甲烷聚乙二醇等主要原料和产品。

Objective To study the interaction of bile salts, namely sodium taurocholate, sodium tauroglycocholate, sodium deoxycholate and cow sodium cholate, with Cu2+ in acetic acidsodium acetate buffer.

目的 研究弱酸性介质中，牛磺胆酸钠、甘牛胆酸钠、胆酸钠和脱氧胆酸钠等4种胆酸盐与Cu2+离子相互作用。

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。