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
The inductive effect decreases with increasing distance.
诱导效应随着距离的增加而减弱。
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。
The inductive effect index was introduced to represent a quantitative relationship between molecular structure of homologous com pounds and microwave absorption.
首次使用诱导效应指数来表达同系化合物的分子结构与其微波吸收之间的关系。
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