分子内因素（Intramolecular factor) ① 诱导效应 (The inductive effect) 电负性↑,电子云密度↓, δ↑ 电负性↓,电子云密度↑, δ↓ 氢核磁共振 1 H-NMR 2 2.1 化学位移：影响化学位移的因素： 1.
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the inductive effect index 诱导效应指数
A simple method for calculating the standard heats of formation of organic compounds containing carboxide using the inductive effect index is built up.
利用诱导效应指数建立了一个含羰基有机化合物的标准生成热的简单计算方法。
Objective To explore the inductive effect of striatal tissue on mouse embryonic stem cells and further analyse the cell source and inductive pattern of this inductive effect.
目的探讨纹状体组织对胚胎干细胞向多巴胺能神经元分化的定向诱导作用，及其细胞来源和诱导方式。
By using the inductive effect index I as a characteristic bond-parameter, a formula is given describing the relation between the structure of N-nitrosamines and its acute toxicity.
亚硝胺类化合物的结构与毒性之间存在着一定的相互关系。用诱导效应指数I作为结构的特征键参数可以得到烷基亚硝安的结构与毒性的定量关系。
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