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单词	高辛烷值
释义	〔hydroforming〕A process in which naphthas are converted to high-octane aromatics in the presence of hydrogen and a catalyst under pressure and heat.临氢重整：在高温高压下，在氢和催化剂的作用下石油精转化为高辛烷值的芳烃的过程〔alkylation〕A process in which an alkyl group is added to or substituted in a compound, as in the reaction of alkenes with alkanes to make high-octane fuels.烷化作用，烷基取代：向一种化合物中添加或用一个烷基团替代的过程，如用烯烃和烷烃发生反应以制得高辛烷值燃料
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