nucleophilic的例句大全

METHODS 18F-FDG was synthesized via nuclear reaction 18O ( p, n) 18F on 18O-enriched water and nucleophilic substitution reaction by Tracerlab Mx FDG synthesis system.

方法应用小型回旋加速器，通过18O（p，n）18F核反应生产出18F离子，由亲核取代反应制备18F-FDG，并对所制备的18F-FDG注射液进行质量控制。

This set of objective substituent constants can also be applied to aromatic nucleophilic substitution not any less adequately than that derived by J. Miller right from this very type of reactions.

这套客观的取代基常数用之于芳香亲核取代反应不比Miller从该反应系中求出的数值差。

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。

1H NMR monitor of the polycondensation showed that TEA acted as not only acid-acceptor but also catalyst to activate BPS for nucleophilic substitution. And condensation between HCCP and BPS followed a bimolecular nucleophilic substitution ( S_N2) pattern.

核磁跟踪测试表明，HCCP和BPS进行的是双分子亲核取代反应（SN2），三乙胺（TEA）在反应中不仅作为缚酸剂，而且还起着活化BPS、促进亲核进攻的作用。

In the reaction mechanism of unimolecular nucleophilic substitution ( SN1), it can produce carbocations which can easily lead to the racemization of the products.

由于单分子亲核取代反应（SN1）经过了碳正离子中间体的历程，所以得到的产物是外消旋的。

The Use of Ionic Liquids in the Nucleophilic Displacement Reactions

离子液体在亲核取代反应中的应用

Kinetics of the Nucleophilic Substitution of 3-Amino-1,2,4-Triazole with Picryl Chloride

3－氨基－1，2，4－三唑与苦基氯的亲核取代反应动力学研究

Quantum Chemistry Research for the Nucleophilic Displacement Reaction about Monochlorobenzene

氯苯亲核取代反应的量子化学研究初步

On the Problem of Bimolecular Nucleophilic Substitution Reaction Sterochemistry

双分子亲核取代反应立体化学问题释疑

Solvent's Influence on Nucleophilic Substitution Reaction's Rate

溶剂对亲核取代反应速率的影响

Effects of Ambident Nucleophiles in the Nucleophilic Substitution Reaction

两可亲核试剂在亲核取代反应中的作用

High Selective Nucleophilic Substitution Reaction of 4,4 ′-bipyridine Under Solvent-free Conditions

无溶剂4,4′-联吡啶高选择性亲核取代反应

Extending reaction time or temperature is beneficial to the nucleophilic substitution reaction of nitrochlorobenzene.

此时，延长体系的反应时间、提高体系的反应温度都有利于对硝基氯苯的亲核取代反应的进行。

Ionic liquid [ BMIM] PF6 can play a catalyst role in nucleophilic substitution reaction.

离子液体[BMIM]PF6可以起到一定的催化剂作用，有利于亲核取代反应的进行。

This paper deals with the nucleophilic reactivity of penicillins and structural activity relationship by using molecular orbital theory.

本文用分子轨道理论研究了某些青霉素类抗生素的亲核活性。

The rule for aromatic nucleophilic substitution reaction and the electronic effect on the reaction

芳香族亲核取代反应及电子效应的影响

Hydrolysis of ester groups of HEMA occurred during the nucleophilic substitution reaction and post-processing.

HEMA在亲核取代及后处理过程中，酯键会发生水解，造成侧链上部分双键的丢失。

The oxidation reaction consists of nucleophilic substitution reaction and a-elimination reaction which is the rate-determining step.

氧化反应由亲核取代反应和α-消除反应组成，α-消除反应是反应的速率控制步骤。

Four new dyes with thio group substitution in the central position were synthesized from the parent dye by nucleophilic substitution reaction.

在母体染料的中位用含-SH基团试剂亲核取代，衍生合成了四个中位硫取代衍生染料。

The paper shows the relationship between the change of configuration turning and configuration marking, in bimolecular nucleophilic substitution reaction, according to the change order of group.

以基团次序地位变化为线索，揭示双分子亲核取代反应中，构型翻转与构型标记变化的关系。