片语

high temperature substitution reaction高温取代反应

displacement reaction[化学] 置换反应

copper substitution reaction铜代

radical substitution reaction自由基取代反应

Kinetics of substitution reaction取代反应动力学

ligand substitution reaction配体取代反应

internal nucleophilic substitution reaction分子内亲核取代反应

the nucleophilic substitution cyclization reaction亲核取代成环反应

Substitution cycloaromatization reaction取代

nucleophilic substitution reaction亲核取代反应

replacement reaction置换反应

英汉例句

• the rule and the feature for aromatic nucleophilic substitution reaction were studied based on the relationship between its structure and activity. the electronic effect on the reaction was discussed.

  以结构与活性关系为主线，深入研究了芳香亲核取代反应的规律和特点以及反应中的电子效应的作用及其影响。

• this suggested the possibility that the formation of poly aluminum silicate sulfate was resulted from the substitution reaction of certain portion of the aluminum in the poly aluminum sulfate.

  聚合硅酸硫酸铝是硅以与铝类似的结构形态取代聚合硫酸铝中的部分铝而形成的。

• at the same time , discuss about the impact factor to nucleophilicity such as the number of attract electron group, ability of attract electron and the nucleophilic substitution reaction part.

  并且对亲核试剂的体积效应、溶剂效应对亲核性影响，底物上吸电子基团的数目、吸电子能力对亲电性的影响，以及亲核取代反应的发生部位受哪些因素影响进行探讨。

• results show that the substitution reaction occurred mainly on the amine groups of chitosan.

  结果表明，壳聚糖合成htcc的取代反应主要发生在壳聚糖的氨基上；

• this just show that we can get compounds which have anticipative structure through substitution reaction of precursor or by changing the reactive condition of the system.

  这就说明，我们可以通过前驱体的取代反应和通过改变反应体系的条件来制备具有预期结构的化合物。

• the effects of reaction conditions on the substitution reaction were examined, and the chelating property of asa-cps resin for metal ions was tested.

  考察了主要反应条件对取代反应的影响，初步试验了asa-cps对金属离子的螯合性能。

• according to previous research work, the sulfoacetic acid disodium salt was synthesized by a nucleophilic substitution reaction in this paper.

  本论文在总结前人研究工作的基础上，采用亲核取代反应合成了磺酸乙酸钠。

• two derivative dyes from the parent dyes were obtained by nucleophilic substitution reaction in which two primary aminophenol were employed as the nucleophilic reagent.

  将母体染料的中位氯原子用氨基酸试剂亲核取代，衍生合成了两个中位氨基酸取代的七甲川菁染料。

• aripiprazole in overall yield of 68% was synthesized from 2,3-dichloroaniline by a three-step nucleophilic substitution reaction in yield of 83%, 91% and 90%, respectively.

  以2，3-二氯苯胺为原料，经3步亲核取代反应合成了阿立哌唑。3步反应的收率分别为83%，91%和90%；总收率68%。

• five derivative dyes from the parent dyes were obtained by similar nucleophilic substitution reaction in which five primary amines were employed as the nucleophilic reagent.

  将母体染料的中位氯原子用氨基试剂亲核取代，衍生合成了五个中位仲胺七甲川菁染料。