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- Blood-Determination of cholinesterase activity-Spectrophotometric method-Acetylthiocholine and dithio-bis-(nitrobenzoic acid)method. 全血胆碱酯酶活性的分光光度测定方法硫代乙酰胆碱-联硫代双硝基苯甲酸法.
- The HPLC methods for seperation and determination of isomers of nitrotoluene and nitrobenzoic acid were studied. 采用HPLC法对硝基甲苯与硝基苯甲酸异构体混合物进行分离和测定。
- Nitrobenzoic acid was prepared in 75% yield by manganese sulfate catalyzed liquid phase oxidation of 4-nitrotoluene with oxygen. 以硫酸锰作催化剂液相条件下用氧气氧化对硝基甲苯,生成对硝基苯甲酸,收率75%25。
- Keywords catalytic oxidation;p nitrotoluene;p nitrobenzoic acid;Co（acac） 2; 催化氧化;对硝基甲苯;对硝基苯甲酸;乙酰丙酮钴;
- Closing time at this pub is eleven o' clock. 这酒馆的打烊时间是十一点。
- We've got the OK from the council at last. 我们终於获得了委员会的同意。
- Keywords gas chromatography;2 methyl 3 nitrobenzoic acid;diazomethane;esterification; 气相色谱;2-甲基-3-硝基苯甲酸;重氮甲烷;酯化;
- Preparation of Nitrobenzoic Acid by Oxidation of Nitrotoluenes with Dioxygen in Liquid-phase 佘远斌,张淑芬, 甲基-7-二甲氨基-1,4-氧氮杂萘-2-酮的合成及其与方酸的缩合
- Keywords butyl o nitrobenzoate;p toluene sulphonic acid;catalysis;synthesis; 邻硝基苯甲酸正丁酯;对甲苯磺酸;催化;合成;
- The child's mouth formed a big O in surprise. 那孩子惊奇得张著嘴像个大O字。
- Keywords Separation;nitrobenzoic acids;aminobenzoic;acids;HPLC; 分离;异构体;硝基苯甲酸;氨基苯甲酸;HPLC;
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Keywords catalyst;iron porphyrazine;degradation of pollutants in water;rhodamine B;p nitrobenzoic acid; 催化剂;铁四氮杂卟啉;降解水中污染物;罗丹明B;对硝基苯甲酸;
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- Keywords p nitrobenzoic acid;potassium permanganate;phase transfer catalysis;oxidation; 对硝基苯甲酸;高锰酸钾;相转移催化;氧化;
- Ok may I have your last name and first initial, please? 好的。请您告诉我贵姓及大名的头一个字母。
- Only when everything is ok will the patent be registered. 只有一切都顺利，才能登记专利。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗？那是个严峻的考验。
