substituent的用法和样例：
例句
用作名词 (n.)
- The substituent effects of ethoxy groupswere studied on the chemical composition and properties of plasma polymers.
研究了乙氧取代基对聚合物化学组成和性能的影响。 - The fluorescence intensity of porphyrin also relates to the substituent positions on the phenyl groups.
此外，荧光强度还与卟啉的苯环上取代基的取代位置有关。
词汇搭配
- donative electron substituent 供电子取代基因...
- fluoroorganic substituent 有机氟取代基...
- cyclic substituent 环式取代基
- electronegative substituent 电负性取代基...
