1) Spin-delocalization
取代基自旋离域效应
2) Spin delocalization substituent constant
自旋离域取代基常数
3) substituent effect
取代基效应
1.
Study of Substituent Effects on Fluorescent Properties of Porphyrin Compounds;
卟啉化合物荧光性能的取代基效应研究
2.
Influence of substituent effect on the allylamine-benzoxazines and their polybenzoxazines;
取代基效应对烯丙胺型苯并噁嗪及其树脂的影响
3.
QUANTIFYING THE SUBSTITUENT EFFECT WITH PEN ETRATING-SHIELDING CONSTANT(Ⅱ) ——the Substituent effect of heteroatomic alkyl group;
屏蔽-钻穿常数与取代基效应的定量研究(Ⅱ)——含杂原子的烷基的取代基效应
4) substituent effects
取代基效应
1.
Electron structure and substituent effects of o-,m-,p-IC_6H_4OCH_3 iodoanisoles
o-,m-,p-IC_6H_4OCH_3的电子结构和取代基效应
2.
The gas-phase elimination processes of 2-bromocarboxylic acids and the substituent effects are theoretically studied by using the send-empirical molecular orbital AM1 method.
计算的取代基效应与有机电子论的预测相一致。
3.
The substituent effects(the electronic effect,steric effect and position of substituted groups) on the benzene ring were investigated.
研究了取代基效应(包括电性效应、立体效应及取代基位置)对反应收率的影响,结果表明:取代基的空间位阻对反应收率影响很大。
5) substitution effect
取代基效应
1.
By comparing with the standard spectra for similar compounds and according to the analysis of the spin-latt:ce relaxation times and the calculation of substitution effect of chemical shifts, the carbon-13 and proton spectra were assigned completely
测定了其碳及氢的自旋晶格弛豫时间，通过与类似物质标准谱图的比较、自旋晶格弛豫时间的分析以及化学位移取代基效应的计算等，归属了其碳氢谱峰。
6) Methyl substituting effect
甲基取代效应
补充资料：离域效应
分子式：
分子量：
CAS号：
性质：见共轭效应。
分子量：
CAS号：
性质：见共轭效应。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条