1·On August 8th a storm smashed through the protecting wall of a paraxylene (PX) factory in the city.
8月8日,一场暴风雨粉碎了该城市一家对二甲苯(PX)工厂的保护墙。
2·The invention discloses a catalyst for preparing paraxylene and low-carbon olefin by methyl alcohol conversion, a preparation method and application thereof.
本发明公开了一种甲醇转化制取对二甲苯和低碳烯烃的催化剂及其制备方法与应用。