“邻助作用”的概念、定义、翻译、参考文献-科学参考

单词	邻助作用
释义	邻助作用 Encyclopedia 理学邻助作用释 neighboring group assistance; anchimeric assistance邻助作用进行亲核取代反应的底物分子，若同时存在亲核的基团和离去基团，且这两种基团在空间位置上的距离也适当，则在亲核取代反应的条件下，将优先发生分子内的亲核取代反应，生成环状产物，从而影响反应的立体选择性、区域选择性或活性的现象。又称邻基参与。
随便看	The Peach Girl the Peach Orchard The Peacock Flies Southeast The Peacock’s Gallbladder the Pear Garden Monument inside You’an Gate of Beijing The Pearl Phoenix the pearl river delta city region the Pearl river delta model The Pear Stories The Peasants The Peasant Wedding The Peddler and the Beauty The Peking Magazine The Pekin Syndicate Limited The Penal Code of the Soviet Union in 1922 The Penal Code of the Soviet Union in 1960 The Pen League The Pennsylvania Magazine the pens unearthed in Qin and Han dynasties The Peony Pavilion the people The people are more important than the ruler The people are the foundation of the state The People in The Picture The people may be made to follow a path of action, but they may not be made to understand it

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。