Electronic Effect

A Probe into the Teaching of Electronic Effect

电子效应教学探讨

The influence of Electronic Effect , Three-dimensional Effect and Solvent Effect on Ultraviolet Spectrum

电子效应，空间效应，溶剂效应对紫外光谱的影响

Electronic Effect on Propene System in Organic Chemistry

电子效应对丙烯体系稳定性的影响

The electronic effect of the aromatic ring on part a affects the catalytic performance .

催化剂a部分芳环的电子效应影响催化剂的催化性能。

Study on Optic & Electronic Effect and Light Modulator in BSO Crystals

BSO晶体光电特性及光调制器的研究

The supported Ni interacts strongly with TiO_2 via electronic effect .

负载后的Ni与TiO2之间有较强的电子效应。

It discusses how electronic effect affects the orientation , activity and principle of organic reactions .

讨论了电子效应对有机化学反应方向、活性及历程等方面的影响。

Electronic effect and representation form of alkyl

烷基的电子效应及在各类化合物中的表现

Humble analysis on electronic effect of alkyl

烷基的电子效应浅析

Electronic effect of alkyl group in hydrocarbons

烷基在烃类分子中的电子效应

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

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

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

Presently the dual-function mechanism and electronic effect are widely accepted as the catalytic mechanism .

目前，关于其催化机理，普遍的看法是双功能机理及电子效应。

The extra stability was studied based on electronic effect , hydrophobic effect and hydrogen bonding of ligands .

从配体间的电子效应、疏水效应和氢键作用等方面对配合物的额外稳定性进行了讨论。

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

CuO-ZnO/Al2O3-TiO2催化剂中TiO2的结构和电子效应

It is also shown that the biodegradability of studied compounds is mainly related to the electronic effect of substitute groups .

所研究化合物的生物降解性主要与取代基的电子效应有关。

Electronic effect of nucleophilic additions to α, β - unsaturated aldehyde and ketone

α，β-不饱和醛酮亲核加成的电子效应

The variation rule of stability has been discussed based on electronic effect and aromatic ring stacking interation between the ligands .

从配合物配体间的电子效应和芳环堆积等观点对配合物的附加稳定性进行了讨论，并计算了电子效应和芳环堆积效应各自对三元配合物附加稳定性的贡献。

If substitution group links with the atom that accepts electron , the electronic effect of substitution group is on the contrary .

如果取代基和配价键中的受电子原子相连，则取代基的电子效应正好相反。

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

以σ（△E）~（HO）度量取代基电子效应强度的定量判据

The Following article will comment on a few problems in such kind of reaction and explain some pasitional selective problems with electronic effect .

本文对该反应中的几个问题进行分析与评述，并用电子效应解释一些反应中的方位选择性问题。

The substituent effects ( the electronic effect , steric effect and position of substituted groups ) on the benzene ring were investigated .

计算的取代基效应与有机电子论的预测相一致。

Study on the Electronic Effect and Aromatic Ring Stacking of Pd (ⅱ) - Aromatic Diamine - Aminoacid Ternary Complexes

钯（Ⅱ）-芳香氮碱-氨基酸三元配合物中的电子效应和芳环堆积作用

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

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

It is probable that the electronic effect of tin ion and the space effect of alkyl availed to form the unsaturated alcohol .

这可能与锡离子的电子效应和烷基的空间效应有关。

From structure of organic compounds , this paper analyses and discusses impact of acids basing activity of organic molecules about electronic effect , hybrid method and steric effect .

主要从有机化合物的结构出发，分析和判断了电子效应、杂化方式及空间效应等因素对有机分子酸碱性的影响。

Due to its unique steric structure and electronic effect , camphor compounds have been widely applied to asymmetric synthesis reactions , showing excellent enantioselectivity .

樟脑类化合物由于其独特的立体结构和电子效应，已经在不对称合成反应中得到了广泛的应用，表现出较好的立体诱导效应。

In this paper , we discussed electronic effect of nucleophilic additions to α,β - unsaturated aldehydes and ketones by means of the perturbation theory .

运用微扰理论讨论了α，β-不饱和醛酮亲核加成反应的电子效应。

The effects of electronic effect of the end group in side chain on the third-order NLO coefficient and the fluorescence behavior of the polymers solutions were investigated .

考察了侧链端基电子效应对聚合物三阶光学非线性极化率系数和荧光行为的影响。

The steric and electronic effect of the ortho-substituents on the aniline moiety distinctly affects the molecular weight of the obtained polyethylene .

苯胺邻位取代基的位阻和电子效应、聚合温度以及铝铁比对乙烯聚合活性和聚合物分子量有显著的影响。