在化学键形成时并不是电子配对的结果，而是电子从能量较高的原子轨道转移到能量较低的成键的分子轨道上使体系能量降低的结果。
It is not result of spin pairing to form chemical bonds, Instead, transfer electron from the atomic orbital of taller energy to the moleen -lar orbital of lower energy.
正电子寿命谱实验，证实了辐化体系中的能量转移和辐射保护效应及此经验公式的有效性。
The energy transfer and radiation protection effect in radiation chemical system and the efficiency of our empirical formula have been verified by o-ps lifetime experiment.
介绍了电子转移的一些基本机理，着重介绍了本文所用到的有关自交换电子转移活化模型及计算耦合体系电子转移速率的理论框架。
Some basis mechanics, especially the activation model and the theoretical expression of the electron-transfer rate used in this paper have also been introduced.
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