可以使用氢化物离子亲和力评估碳正离子和碳负离子的稳定性。
Carbocation and carbanion stabilities can be assessed using hydride ion affinities.
拉电子基团能使碳负离子稳定，也使C—H键的酸性增强。
Drawing electron group can stabilize carbon anion, and enhance the acid of key C-H.
其结果证实：在种种分子重排反应中，总是趋向于生成结构更稳定的碳正离子或碳负离子或自由基中间体及其产物。
Their result affirm: in all sorts of molecular rearrangement reactions, anyway tend to produce more stable carbocation, or carboanion, or free radical middle substance and their products.
指出负离子解吸化学电离质谱对鉴别低碳醣的分子离子可以提供十分有用的信息。
It pointed out that the negative ion DCIMS can provide very useful information for characterizing molecular ion of monosaccharides.
分析了绿地系统的降温效应、增湿效应，碳氧平衡效应，吸尘、杀菌、减噪效应和空气负离子效应。
Studying on drop temperature effect, add humidity effect, balance of carbon and oxygen effect, absorbing dirt effect, killing germ effect, decreasing noise effect and air anion effect.
分析了绿地系统的降温效应、增湿效应，碳氧平衡效应，吸尘、杀菌、减噪效应和空气负离子效应。
Studying on drop temperature effect, add humidity effect, balance of carbon and oxygen effect, absorbing dirt effect, killing germ effect, decreasing noise effect and air anion effect.
应用推荐