[Objective] To determine methyl-n-nonyl-ketone content in dried Houttuynia cordata Thumb.by gas chromatography.[Method] ......

以丙烯酸和自制壬基酚聚醚酯为单体,利用溶液聚合法,以甲苯为溶剂,过氧化苯甲酰为引发剂,合成一种二元共聚物稠油破乳剂。考察了各......