aromatic base 中文意思是什麼
aromatic base
解釋
芳香基;芳族堿-
Aromatic base crude oil
芳香基原油 -
Aromatic base crude
芳香基原油 -
The aromatic electrophilic substitution reaction was studied using nmr for the first time. on the base of substituents effects on the benzene, the orientation effect and reactivity was analysised quantitatively. this method may mostly predict the aromatic electrophilic substitution reaction
首次採用nmr研究芳基親電取代反應.依據取代基對苯的影響,定量分析了定位效應和反應活性.此法對芳基親電取代反應有一定的預見性
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