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汉语拼音：suān gān

酸缩去水而成的化合物，如一个碳酸分子（H2CO3）缩去一分子水（H2O）剩下的二氧化碳（CO2）就是碳酸酐，两个醋酸分子（CH3COOH）缩去一分子水（H2O）剩下的（CH3CO）2O就是醋酸酐。简称酐。

• Used for dyeing and printing auxiliaries, meat preservatives, the system acetic anhydride raw materials.

  用作印染助剂、肉类防腐剂、制乙酸酐的原料。

• Maleic anhydride is a important organic raw, the research of determination the content of it has practical meanings.

  顺丁烯二酸酐是一种重要的有机原料，对其含量的测定有很大意义。

• A solution of an equivalent amount of the product of Step II in an inert solvent is added to the above solution of the anhydride.

  上述酸酐的溶液中加入一当量用惰性溶剂的溶解的步骤II产品的溶液。

• The results showed that the electrical properties of bisphenol A based epoxy resin cured by modified anhydride wane better than any others.

  结果表明，双酚A环氧树脂与改性酸酐的固化产物电性能较好。

• The article studied that maleic anhydride(MAH) grafted polypropylene(PP) in one pair of screw extruder.

  在双螺杆挤出机上研制马来酸酐（MAH）接枝的聚丙烯（PP）。

• Retrospective analysis of the previous ascitic fluid showed high creatinine levels, confirming the ascitic fluid to be urine.

  回溯分析原来的腹水发现，有高浓度的肌酸酐，证实这腹水就是尿夜。

• The mixed indicator of thymolphthalein with phenolphthalein was applied as the new indicator for the determination of maleic anhydride.

  提出了采用百里酚酞和酚酞混合指示剂作为顺丁烯二酸酐含量测定的新指示剂。

• After microwave pretreatment, corncob modified by succinic anhydride was prepared for a novel water treatment agent.

  利用丁二酸酐对经微波预处理的玉米芯进行改性，制备了一种新型的水处理剂。

• A small amount of maleic anhydride contaminates acted as nucleating agents during the crystallization of polypropylene.

  极少量残留的马来酸酐在聚丙烯的结晶过程中起着成核剂的作用；