以上来源于: WordNet
N a hydrocarbon that contains two carbon-to-carbon double bonds in its molecules 二烯 [chem]
Compounds containing two double bonds are called dienes.
包含两个双键的化合物叫做二烯烃。
Ring closing metathesis (RCM) of dienes to cycloalkene provides an important tool for C-C double bond formation catalyzed by metal carbene.
关环转换反应是形成碳碳双键的重要反应之一，即双烯化合物在金属碳烯催化下关环得到环烯类化合物。
Dicyclopentadiene (DCPD) was a kind of dienes contained in cracking C_5 fraction and it was an important kind of raw material in chemical industry.
双环戊二烯(DCPD)是裂解C_5馏分中的一种二烯烃，是一种重要的化工原料。
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