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 aryl ['ærɪl]   添加此单词到默认生词本
[机] 芳香基

  1. The extraction behavior of dialkyl( aryl) Sulfides may be controlled by polar and steric substituents effects.
    二烃基(基)醚的萃取行为受极性和空间取代基效应的控制.
  2. The aryl-alkylation ofα- methylstyrene with phenol in the presence of various strong acid catalysts were studied.
    分别以磷酸-醋酸,苯酚铝,阳离子型交换树脂及络合物为催化剂,研究了α甲基苯乙烯与苯酚的烷基化反应。
  3. This thesis, through the change of the chemical shift values of aryl protons, predicts the directing effect of the substituenfs of aromatic systems and the strong and weak levels of aromatic etectrophilic substitution reachion
    通过苯环上芳氢化学位移的变化,判断苯环上取代基的定位效应及苯环亲电取代反应的强弱.



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