1. an oily diolefin hydrocarbon CH3CH=CHCH=CH2 isomeric with isoprene formed in the cracking of petroleum and also made synthetically (as by exhaustive methylation of piperidine); 1,3-pentadiene
piperylene 片语
片语
cis-Piperylene顺戊间二烯
piperylene based hydrocarbon resin间戊二烯石油树脂
piperylene C5 petroleum resin间戊二烯C5石油树脂
piperylene rubber戊二烯橡胶
piperylene 例句
英汉例句
From the application of cyclopentadiene, dicyclopentadiene, isoprene and piperylene and the application of C5 petroleum resin, the paper analyzes the comprehensive application of cracking C5.