电子效应

负载后的Ni与TiO2之间有较强的电子效应。

The supported Ni interacts strongly with TiO_2 via electronic effect .

以σ（△E）~（HO）度量取代基电子效应强度的定量判据

σ _ (△ E ) ~ ( HO ) as a Quantitative Criterion of the Measurement of the Electronic Effect of Substituents

基团的电子效应与单取代苯对位~1H、~（13）C的化学位移

The electron effects of the group and the chemical shift of para 1H and para 13 C in monosubstituted benzenes

氧还原Pd合金催化剂中的电子效应

Electronic Effects in Pd Alloy Catalysts for Oxygen Reduction

取代基的电子效应对苯甲酰苯胺衍生物NMR化学位移的影响

The influence of substituent electron effect on NMR chemical shift of substituted benzanilide

Hg（1-x）CdxTe的过热电子效应

Hot electron effect in hg_ ( 1-x ) cd_xte

原子电四极矩E2光谱跃迁几率的算符形式和多电子效应研究

Operator forms and many-electron correlation effects for atomic electron quadrupole transition probabilities and oscillator strengths

研究了体系的Cδ位上硝基、氨基和羟基取代所引起的立体效应和电子效应之间的相互影响，及这几种取代物在不同的溶剂环境中的几何结构和电子效应。

The interactions between the spatial effect and electron effect caused by substituent of nitro - , amino - , and hydroxyl groups of these compounds in different solvents were discussed .

CuO-ZnO/Al2O3-TiO2催化剂中TiO2的结构和电子效应

Structural and Electronic Effect of TiO_2 in CuO-ZnO / Al_2O_3-TiO_2 Catalyst

电子效应参数和拓朴指数用于双苯甲酰胺环脲衍生物&HIV-1蛋白酶抑制剂的QSAR研究

Electronic effect parameters and topological index employed in QSAR studies of bis-benzamide cyclic urea derivatives as HIV-1 protease inhibitors

通过设计一系列乙烯聚合实验，深入探讨了中心金属的电子效应、配体的结构及测试条件如时间、温度、助催化剂MAO的用量与催化剂活性之间的关系。

The correlation among electronic property of central metal , the ligand structure , as well as reaction conditions and polymerization / polymerization activity are investigated .

稀土能以结构效应以及电子效应促进非晶态NiP／CNTs催化剂苯加氢活性的提高。

The small amounts of rare earth elements added in amorphous NiP / CNTs catalyst promoted the catalytic activity of benzene hydrogen because of structure effect and electronic effect .

追其原因是：这种构型有利于Li的2p轨道的吸电子效应，这种效应可使C&Li键增强。

The reason for that is found to be : Such a configuration is in favor of the electron drawing effect of the Li 2p-orbitals , which may strengthen the C & Li bonds .

研究表明不同载体上Rh-CeO2相互作用的电子效应不同。

It was found that the electronic effects in Rh-CeO2 interaction on different supports were different .

当（111）表面上有氧空位形成时，次表面相应位置上的Ce4+转变为Ce3+，这个3价的Ce与体相中的一样具有聚集共价电子效应。

The related Ce4 + turned to Ce3 + on the sub-surface of ( 111 ) when oxygen vacancies had formed on the ( 111 ) surface and the Ce3 + demonstrated the effect of assembling covalent electron as the case in bulk .

本论文合成了新型分子内电荷转移（ICT）荧光体-苯甲酰苯胺衍生物并研究了其吸收光谱、荧光光谱、电子效应、空间位阻效应及分子内电荷转移。

This dissertation describes the synthesis of a new type of ICT fluorophors , benzanilides , and the study of their absorption spectra , fluorescence spectra , electronic effect , steric effect and intramolecular charge transfer ( ICT ) .

空间位阻效应及电子效应的协同作用使HTMA与环氧树脂的固化反应速度降低，固化过程中放热量小，放热平缓。

HTMA cured with epoxy resin gently and slowly , owing to the synergistic effect of steric hindrance effect and stereo-electronic effect .

在考虑电子效应的同时考虑空间位阻的影响通过在金鸡纳衍生物9-OH上引入苄基，合成了四种新型的手性相转移催化剂。产物经1HNMR、IR、熔点、比旋光表征。

In consideration of the electronic effects and the influence of steric hindrance , by introducing benzyl into 9-OH of cinchona derivatives , four new kind of chiral phase-transfer catalysts has been synthesised and identified by 1H - NMR , IR , melting point and specific rotation . 3 .

Ⅱ相代谢酶基因的诱导表达是由顺式作用抗氧化反应元件（ARE）或亲电子效应元件（EpRE）调控的。

The induction of phase II enzyme genes is regulated by their as-acting antioxidant response element ( ARE ) or electrophile responsive element ( EpRE ) .

当频率提高到毫米波段（如大气窗口的8mm波段），基于相对论电子效应的回旋管中，工作在高次模式的谐振腔，受到谐振频谱密集及模式竞争现象的严重影响，性能发挥受限。

In range of millimeter wavelength ( such as 8mm ), resonant cavity operates in high order mode in gyrotron based on relativistic effect , where mode competition is a very important problem affecting its electrical feature and stability . Open cavity has some action for improving mode competition .

本文简要叙述了由立体电子效应控制的频哪醇重排反应。

The pinacol rearrangements controlled by stereoelectronic effect are briefly discussed .

离去基的电子效应在芳香族双分子亲核取代反应中的作用

The action of electronic effect of leaving groups on S _NA_r reactions

GaAs/AlGaAs多量子阱结构的热电子效应

Hot electron effect in gaas / algaas multiple quantum wells

对烷基吸电子效应的探讨

A probe into the alkyl ′ s attracting electron effect

基团电子效应定量计算研究

Study on Qualitative Calculation of the Electromeric Effect of Radicals

这是由于电子效应和体积效应引起的链自由基活性差异而造成的结果。

This was because of reaction activity difference result from electron-effect and bulk-effect .

对电子效应解释有机物酸碱性的探讨

Analysis of Organic Compound with Acid - base Property with Electric Effects Explanation

烷基电子效应的再认识

Remarking again on electronic effects of an alkyl group

苯基电子效应环已基苯基甲基酮的合成

Phenyl Group Eletron Effect Synthesis of Phenyl Cyclohexyl Ketone

甲醇氧化羰化反应中含氮配体助催化剂的空间及电子效应

Steric and Electronic Influences of N-donor Ligands for Catalytic Oxidative Carbonylation of Methanol