查询词典 chlorination

The fitted dynamics model parameters are as following:In order to apply the reaction distillation technology in more fields, the methylbenzene side-chain photo-chlorination has been done in the experiment apparatus. The results have proven this technology is feasible and crude benzyl chloride with a purity of 96~98% can be obtained.

估计得到的动力学模型为：为扩大背包式反应精馏耦合工艺的应用范围，在所建立的实验装置上，进行了甲苯侧链光氯化反应的研究，结果表明工艺可行，可以得到含量96～98％的氯化苄粗品。

The results indicate that NH4Cl directly takes part in the chlorination of cerium dioxide by forming an intermediate CeOCl rather than by the HCl decomposed from NH4Cl.

结果表明， CeO2在空气气氛下采用NH4Cl氯化，在300 ℃下其氯化率达到80%左右，更高的温度反而不利于CeO2的氯化，这主要是由于CeCl3*7H2O的热分解造成的。

Their products involved in the production of chlorination of rutile titanium dioxide; a variety of phthalocyanine blue and green series; temperature chrome yellow series; lightfastness heat of lead chrome yellow series (Medium chrome yellow, lemon yellow, light yellow, dark yellow, chromium molybdenum red); Permanent Red F4R, light red; organic yellow pulp series, as well as aluminum and other high-color, mid-range color and thermal modeling of solid acrylic resin.

其产品涉及氯化法生产的金红石型钛白粉；各种酞菁蓝、绿系列；耐高温铬黄系列；耐光耐热铅铬黄系列（中铬黄、柠檬黄、浅黄、深黄、钼铬红）；永固红F4R，耐晒红；有机黄系列以及铝浆等各种色系的高，中档颜料和热塑型固体丙烯酸树脂。

Effects from high-temperature and low-temperature direct chlorination on refining, energy saving and economics of ethylene chloride in chloroethylene production revamping are analyzed.

分析了高温、低温直接氯化技术对氯乙烯改造中二氯乙烷的精制、节能、技术经济等方面的影响。

Piperidinecarboxylic acid is used as the raw material and acetic acid as the acylating agent, followed by the addition of some acetic anhydride in the later stage to get an important organic intermediate n-acetylpiperidine-4 carboxylic acid in the yield of 92%. Toluene is used as the solvent instead of sulfinyl chloride in the acyl chlorination to produce n-acetylpiperidine-4-carbonyl chloride with the yield of 97%.

以4-哌啶甲酸为原料、醋酸为酰化剂，后期加入少量醋酸酐反应得到中间体N-乙酰基哌啶－4-甲酸，收率92%；在甲苯溶剂中进行酰氯化得目标产物N-乙酰基哌啶－4-甲酰氯，收率97%。

With increasing temperatrue, the ratio of oxygen to chlorine increases. Then the trend of oxidation reactions is to be strengthened and the trend of chlorination reactions is declined.

随环境温度的升高，腐蚀过程中氧化反应的倾向得到加强，氯化反应的趋势随之减弱。

The selective chlorination reaction of the aromatic ring among the aromatic compounds is very important in the economy and environmental protection aspects.

芳香族化合物的芳环选择性氯代，在经济和环保上都是一个重要的课题。

According to the investigation of the concentration of THMS in drinking water in a city of china, a comprehensive review regarding effect of bromide ion on disinfection by-products during chlorination was presented, including occurrence of bromide ion, effect of bromide ion on the formation of THMS and HAAS, as well as mechanism for characterising the formation of THMS and THMS.

根据我国某城市饮用水中三卤甲烷类物质的现状，对水中Br-对THMS、卤代乙酸类物质形成的影响以及THMS、HAATHMS形成的机理等进行综述，具提出了控制饮用水氯化消毒副产物的相应对策。

However, by the time the students' reports were due, the former topic had been discussed in the classroom, and students under-stood that the chlorination was an example of an electrophilic aromatic substitution.

然而，到了学生的报告该交的时候，前面的主题已经在课堂上讨论过了，学生已经理解了氯化是亲电芳基取代的一个例子。

Use: antimonous chloride used to the catalyst of chlorination reaction, a mordant which makes color amylin and prints to dye industry dyes, the flame retardant fabrics etc.

用途：三氯化锑用作氯化反应的催化剂，制造色淀、印染工业的媒染剂，织物阻燃剂等。

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。