substituent

基本解释

• n.取代

同根派生

英汉例句

用作名詞 (n.)

• The substituent effects of ethoxy groupswere studied on the chemical composition and properties of plasma polymers.
  研究了乙氧取代基對聚郃物化學組成和性能的影響。
• The fluorescence intensity of porphyrin also relates to the substituent positions on the phenyl groups.
  此外，熒光強度還與卟啉的苯環上取代基的取代位置有關。