介绍了国内外对氯甲苯的合成与分离工艺。
The synthesis and separation processes of o-chlorotoluene are described.
采用在溶剂中间接氯化的方法合成对氯甲苯。
The indirect chlorination of getting PCT in solvent is applied.
介绍了以邻氯甲苯为原料制备水杨酸的工艺。
The article introduced a craft in which the salicylic acid was made from the Chloro-toluene as the raw material system.
研究了用无溶剂重结晶法提纯2 ,6二氯甲苯。
Purification of 2,6 dichlorotoluene by the recrystallization method without solvent was studied.
研究炭管采集空气中邻-氯甲苯的气相色谱分析方法。
GC analytical method for o-chlorotoluene in the workplace air using sampling by charcoal tube was studied.
氯甲苯噻嗪能激活钾离子通道,数十年前就用于治疗高血压。
Diazoxide is known to activate potassium channels and was used decades ago to treat high blood pressure.
难分离的混合邻、对氯甲苯经氧化可制得混合邻、对氯苯甲酸。
Chlorobenzoic acids can be synthesized by oxidation of mixed chlorotoluene which was difficult to separate.
间苯二酚水溶液与三氯甲苯反应可制备紫外线吸收剂UV—214。
UV absorber, UV -214 can be prepared by reading resorcinol with benzotrichloride in water.
八个月之后,氯甲苯噻嗪组小鼠在学习和记忆能力方面都优于安慰剂组。
After eight months, the diazoxide group outperformed the placebo group on both learning and memory.
指出高效、节能的分子筛吸附分离法是实现氯甲苯异构体分离的最佳选择。
The best choice for separating the isomers of chlorotoluene is the adsorption separation by zeolite adsorbents in high efficiency.
一缩二乙二醇对邻氯甲苯和对氯甲苯相对挥发度影响的机理还需进一步探讨。
The mechanism of the effect of diethylene glycol on o -, p-benzol chloride system needs further investigating.
生产的间氯甲苯及其衍生产品在国内产销量最大,产品远销欧、美及东南亚国家和地区。
Its M-Chlorotoluene and its ramifications have a large sale in the domestic market and the such overseas markets as Europe, USA and Southeast Asia.
介绍了用毛细管柱气相色谱测定三氯甲苯的方法,并说明该法能满足测定三氯甲苯的要求。
The method of determining bezenyl trichloride by gas chromatography with Golay column is introduced. It is also explained that this G. C. detecting method can fulfil the test and measure requirements.
一组小鼠在其饮用水中加入氯甲苯噻嗪,持续八个月;另外一组小鼠水中加入安慰剂作为对照。
One group was given diazoxide in drinking water for eight months; the other was given a placebo.
本文在研究氯甲苯混合氧化合成氯苯甲酸工艺时,采用氧气液相催化氧化法,反应压力为常压。
The method of liquid oxygen oxidation of chlorotoluene mixture was choosen to synthesize chlorobenzoic acids, and the reactions were carried out under atmospheric pressure.
采用量子化学从头算CASSCF和CASPT 2方法对邻氯甲苯在低激发态上的光解机理进行了理论研究。
The photodissociation mechanism of o-chlorotoluene on the low-lying electronic states has been investigated with the use of the CASSCF and CASPT2 techniques.
采用内标法定量,能准确测定混和氯甲苯氧化过程中的氯代苯甲酸异构体的含量,回收率达92%以上,变异系数小于3.6%。
The contents of chlorobenzoic acids isomers could been accurately quantified through internal standard, and the recovery was more than 92 percent, and RSD less than 3.6 percent.
本文报道了以邻氯甲苯为原料,经光氯化、水解、取代三步合成2-甲酰基苯磺酸钠的方法,并对影响反应收率的因素进行了讨论。
Sodium 2-formylbenzenesulfonate was prepared from 2-chlorotoluene by photo-chlorination, hydrolysis and substitution reactions successively. Factors affecting the yields were discussed.
通过对几种合成方法的比较得知,仿生催化氧化氯代甲苯制备氯代苯甲酸是一种比较有前途的方法。
By the comparison of different synthesis methods, the method of oxidation of chlorotoluenes using metalloporphyrins as biomimetic-catalysis showed better prospect.
重点阐述了氯代苯甲酸的一系列合成方法,并简要介绍了金属卟啉模拟酶仿生催化氧气氧化氯代甲苯绿色合成氯代苯甲酸的新方法。
And gave a brief introduction of a novel technology for green synthesis of chlorobenzoic acids by dioxygen oxidation of chlorotoluenes using metalloporphyrins as biomimetic-catalysis.
实验结果表明,通过双塔精馏,可获得纯度大于96%的6氯2硝基甲苯目标产品。
The results showed that the purity of 6 chloro 2 nitrotoluene was over 96% by two tower distillation.
采用纤维素与过量的氯乙烷及氢氧化钠反应,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。
Ethyl cellulose was synthesized successfully in one-step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
目的建立溴芬酸钠原料中二氯甲烷、甲苯、1,2-二甲氧基乙烷、乙酸乙酯、乙醇残留量测定方法。
Objective To establish a method for detection of dichloromethane, 1,2-dimethoxyethane, toluene, ethyl acetate and ethanol in bromfenac sodium.
在极性溶剂(丙酮)或非极性溶剂(甲苯)中,用三甲基氯硅烷对全硅介孔分子筛m CM - 41进行了表面修饰。
The pure silica mesoporous molecular sieve (MCM-41) was modified on the surface by trimethylchlorosilane in polar solvent (acetone) and apolar solvent (toluene).
采用循环伏安法研究了不同电极上在1,2-二氯乙烷溶液中邻甲苯胺的电子转移性质。
We have investigated the electron-transfer properties of o-toluidine in 1 , 2-dichloroethane in different electrode with cyclic voltammetry.
目的了解常见医院感染病原菌对对氯间二甲苯酚的抗力。
Objectives To know the resistance of common nosocomial infection pathogens to P-chloro-m-xylenol(PCMX).
探讨了硬脂酰氯和单宁酸的量比、催化剂对甲苯磺酸的用量、反应温度和溶剂等对合成的影响。
The main factors affecting the reaction such as ratio of reactants, the catalyst (p toluenesulfonic acid), temperature and solvent were discussed.
同时,还改进了对甲苯磺酰氯和对甲苯磺酰甘氨酸的合成方法。
The improved methods for the syntheses of tolylsulfonyl chloride and Np-tolysulfonyl amino acids have been described in this work.
介绍了以二氯乙烷或液溴为溶剂制取五溴甲苯的方法及其优缺点。
The preparation of pentabromotoluene was effected by utilizing dichloroethane and liquid bromine as reaction solvent, and their advantages and defects were pointed out.
介绍了以二氯乙烷或液溴为溶剂制取五溴甲苯的方法及其优缺点。
The preparation of pentabromotoluene was effected by utilizing dichloroethane and liquid bromine as reaction solvent, and their advantages and defects were pointed out.
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