olefins ['oʊlɪfɪnz]

例句:

• With the higher olefins, stabilization of the energetic intermediates occurs more easily.
  在较高的烯烃情况下, 高能的中间物稳定作用更易出现.
  
• The company produces polyethylene, polypropylene, styrene monomer and various other olefins products.
  来自WSJ
• Plants are sensitive to the simple olefins, particularly C 2 H 4.
  植物对简单烯烃是敏感的特别是乙烯.
  
• The compounds are prepared by the epoxidization of dinitrofluoromethyl olefins with peroxytrifluoroacetic acid.
  这种化合物,由二硝基氟甲基烯烃与过氧化三氟醋酸进行环氧化反应而得到.
  
• Analysts say the market should be up again by the time his olefins project goes on stream.
  来自CNN