Pyrolysis and liquification of polypropylene(PP) were studied by using molten ZnCl2 as heat carrier.

以熔融氯化锌作为,对聚烯(PP)的解液化进行。

Propylene,the common petroleum gas,is subject to gasification under heating and liquification under pressure.

烯是一种受易气化、受压易液化的常用石油气。