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氨茶碱在贮存过程中往往发生结块、变黄而变质。通过实验初步证实变质主要是由其中的乙二胺与二氧化碳作用生成某种聚合物引起的。
Aminophylline in the storage process often occurs caking, yellowing and deterioration. Preliminary experiments confirmed that metamorphism is mainly caused by ethylene diamine and carbon dioxide generated by a certain polymer.