查询词典 benzyl chloride

On the basis of above results, the reaction rectification tower to synthesize benzyl chloride was established.

目前，国内均采用间歇釜式生产，一氯乙酸生成的同时也生成了副产物二氯乙酸，反应终点二氯乙酸浓度在12-25％。

The kinetic model of consecutive reaction for chlorination of benzyl chloride has been built by analyzing the reaction mechanism and macroscopic stage.

通过对氯化苄光氯化反应机理和宏观状态的分析，建立了氯化苄氯化的连串反应动力学模型。

Methods Phenylacetaldehyde was prepared from benzimidazolium salt and benzyl chloride by the addition-hydrolysis reaction of benzimidazolium salt with Grignard reagent.

方法以苯并咪唑盐和苄基氯为原料，利用苯并咪唑盐与Grignard试剂的加成-水解反应合成苯乙醛。

Goodcatalytic activities of the phosphine palladium complexes were observed incarbonylation of benzyl chloride with atmospheric CO. In some reactions the yieldof phenylacetic acid was 91% and the catalyst could be reused repeatedly in severaltimes.

这些钯配合物催化苄基氯的常压羰基化反应有较好的催化活性，有些反应中苯乙酸的产率可达91％，可重复使用，是一类环境友好的新型绿色催化剂。

The carbon tube ubstituted by benzyl chloride which is manufactured in the invention can adopt free radical addition reaction.

在本发明中制备苄基氯取代的碳管可以采用自由基加成反应。

The kinetic model of consecutive reaction for chlorination of benzyl chloride was built by analyzing the reaction mechanism and macroscopic stage.

摘 要：通过运用新型的内环流反应器对氯化苄光氯化反应机理和宏观状态的分析，建立了氯化苄氯化的连串反应动力学模型。

Results showed that there are some differences in purity and yield among those 5 methods. Both benzyl chloride method and proteinase K method have better yield, but the purity of the DNA by CTAB method is better than that of others.

结果表明：五种方法所提的DNA纯度及产率有差别，氯化苄法和蛋白酶K法的产率要高于另外三种方法，但CTAB法所提DNA纯度最高。

The optimum conditions were obtained: the amounts of NaOH solution,quaternary ammonium and benzyl chloride are respectively 16 mL,0.4 g and 15 mL; the reaction temperature and time are 120 ℃ and 3 h.

在NaOH溶液用量16 mL，反应温度120 ℃，季铵盐用量0.4 g，反应时间3 h，氯化苄用量15 mL的条件下，竹纤维的接枝率达143.68 %。

The electrochemical behavior was studied at different electrodes by cyclic voltammetry, which showed significant electrocatalytic effect of the silver electrode on the reduction of benzyl chloride.

通过循环伏安法研究了苄基氯在不同电极上的电化学行为，结果表明了银电极对苄基氯的还原具有很强的电催化效果。

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。

Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在，所有的孩子都要在综合学校继续学习，所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。