The hydrocarbon impurities in propylene was determined by using big-caliber quartz capillary column.

采用大口径石英毛细管柱分析聚合级丙烯中的烃类杂质。

youdao

The hydrocarbon impurities in propylene was determined by using big-caliber quartz capillary column.

采用大口径石英毛细管柱分析聚合级丙烯中的烃类杂质。

youdao