substituent effect

• 1. 取代基效应: substituent effect
• 2. 甲基取代效应: Methyl substituting effect

• 1.并对取代基效应作了解释。
  The substituent effect was discussed.
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• 2.讨论了化合物中取代基效应与激光性能之间的关系。
  The effects of substituents on laser characteristics are discussed.
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• 3.本文研究了联苯取代物双电荷离子2E谱及其取代基效应和靶气压力影响。
  A study of doubly charged ion mass spectra (2E spectra), the substituents effect and the target gas pressure deppendence of biphenyl derivitives was presented in this work.
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