electron-donating group
英 [ɪˈlektrɒn dəʊˈneɪtɪŋ ɡruːp]
美 [ɪˈlektrɑːn ˈdoʊneɪtɪŋ ɡruːp]
给电子基团
双语例句
- Electron-donating group content and the doping level were the influencing factor of electrical conductivity, Seebeck coefficient and thermal conductivity of copolymers.
苯胺-邻位取代苯胺共聚物的电导率和Seebeck系数受共聚物链段上取代基含量和质子酸的掺杂程度的影响。 - Coumarin compounds have good fluorescence performance, fluorescence intensity has some to do with C-7 electron-donating group transferring charge intra-molecularly to carbonyl in coumarin ring lactone, all kinds of fluorescence performance can be achieved by modifying electronic groups in coumarin structure.
香豆素类化合物具有较好的荧光性能，荧光强度与7位供电基向香豆素环内的内酯键中的羰基发生分子内电荷转移有关，各种荧光性能可通过香豆素母体上吸供电子基团的修饰来实现。