戊二烯

Xanthohumol is the main prenyl flavonoid of female inflorescences in the hops.

摘要黄腐酚是啤酒雌花中主要含异戊二基类黄酮。

Abstract： The C5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene.

摘 要： 来自裂解乙C5份含有非常有化工原——异戊二、环戊二、戊间二。

The controls were homeochronous inpatients with affective disorder and normal individuals.lsoprene breath levels were measured by gas chromatography combined with mass spectroscopy(GC-MS).

相色谱一质谱联仪检测其呼出体中异戊二浓度。