1·The supply and demand for trimellitic anhydride at home and abroad were analyzed, and previewed its demand in several years to come.
分析了国内外偏苯三酸酐的市场供需状况，并对我国今后几年的需求进行了分析和预测。
2·This study focused on the recovery of aromatic polycarboxylic acids from the mother liquor of manufacturing trimellitic anhydride and it's application for making mixed plastifier.
本研究对生产偏酐所产生的母液中含有的芳香族羧酸加以回收，用于生产混合酯增塑剂。