epoxides [e'pɒksaɪdz]

例句:

• Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl ) carbenes.
  某些苯代 ( 或多苯 ) 环氧乙烷是制取带苯环 ( 或二苯 ) 碳烯的极好原料.
  
• Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
  环氧化合物,环硫化合物和乙烯亚胺也可以按类似于环氧?睦胱拥幕?理进行聚合.
  
• The epoxides were obtained with up to 90 % yields in the reaction system with air.
  在空气存在下其氧化产物的产率这90%上.