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- The calculated results show that DMB is activity to get electron, and the carbon in the aldehyde group is the nucleophilic reaction site. 计算结果表明:DMB分子容易得到电子,且醛基上的碳原子是亲核反应的作用点。
- Some novel copolyethers containing azo benzene chromophors as side chains have been synthesized by a nucleophilic reaction of various azo dyes with polyepichlorohydrin. 研究了由对硝基苯基偶氮苯类染料与聚环氧氯丙烷经大分子反应合成的含偶氮苯侧基的共聚醚的二阶非线性光学特性。
- Through the steps such as nucleophilic reaction, filtration, dilution, extraction and vacuum distillation, the 2-(2,2,2-trifluoroethoxy)nitrobenzene is separated from crude product. 经亲核反应、过滤、稀释、萃取和减压蒸馏等后处理手段,将2-(2,2,2-三氟乙氧基)硝基苯从粗品中分离出来。
- Vicarious nucleophilic substitution (VNS) of hydrogen is a new type of reaction which is differ-ent from the usual electrophilic and nucleophilic reactions of the nitro arenes. 氢的替代亲核取代反应(VNS)是与硝基芳环的亲电反应、亲核反应不同的一种新反应.;将VNS与硝基芳环的亲电反应、亲核反应做比较;阐述了VNS的定义;
- Keywords tetrahydrofolate coenzyme;chemical model;nucleophilic reaction; 甲氢叶酸辅酶;化学模型;亲核反应;
- Keywords Accelerator;Nucleophilic reaction;Polymer film;Photolithography; 诱蚀剂;亲核反应;聚合物膜;光刻;
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗?
- Keywords unsaturate alkane compound;nucleophilic reaction;triple bond;double bond;active intermediate; 不饱和烃化合物;亲核加成反应;叁键;双键;活性中间体;
- Keywords electrophilic and nucleophilic reaction;copolymerization;lowest melting point; 亲电;亲核反应;共聚;最低共熔点;
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- Keywords butyl oxosqurate;ammololysis ester;substituted nucleophilic reaction;squaramid;cyclobutenedione;chemistry of squaric acid; 氧方酸二正丁酯;酯的胺解;亲核取代;方酰胺;环丁烯二酮;方酸化学;
- I'm displeased at your reaction. 我对你的反应很不满意。
- Keywords nitroxosquaric acid;ammololysis;transamidation;substituted nucleophilic reaction;cyclobutenedione;chemistry of squaric acid; 氮氧方酸酯;氨解;酰胺交换;亲核取代;环丁烯二酮;方酸化学;
- The forces of reaction made reform difficult. 反动势力给改革造成了困难。
- His reaction on this matter is unexpected. 没料到,他对这件事的反应是这样的。
- Keywords polyphosphazene;ring-opening polymerization;nucleophilic reaction;N-hydroxyethylpyrrole;oxidative polymerization; 聚磷腈;热开环聚合;亲核取代;N-羟乙基吡咯;氧化交联;
- A sharp reaction; a repercussion. 强烈反应后果,影响
- Their reaction was one of qualified praise. 他们的反应是一种有保留的称赞。
- His initial reaction was one of shock. 他最初的反应是震惊。
- The reaction of the audience was instantaneous. 观众即刻有了反应。