phthalic anhydride的用法和样例:
例句
- Technology for maleic anhydride production and the development of catalysts are described.
摘要综述了顺丁烯二酸酐生产的工艺路线和催化剂研究发展。 - Maleic anhydride is the important organic chemical material, is the third largest acid anhydride behind the phthalic anhydride and acetic anhydride.
顺丁烯二酸酐,简称顺酐或者马来酐,是重要的有机化工原料,是仅次于苯酐和醋酐的第三大酸酐。