• 1. substituent: 取代基 | 取代者 | 代用品
• 2. substituent effect: 取代基效应
• 3. negative substituent: 阴性取代基

更多释义

• 1.The linear relationship between the gas phase standard enthalpies of formation and the substituent constants is discussed.
  讨论了气态摩尔标准生成焓与取代基常数间的线性关系。
  dict.yoduao.com
• 2.The substituent effect was discussed.
  并对取代基效应作了解释。
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• 3.The tacticity of polymers is mainly influenced by the polarity of substituent group of vinyl monomer.
  作者认为影响聚合物等规度的因素主要是取代基的极性效应。
  dict.yoduao.com

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