1.Methods To investigate the changes of appearance, weight increase by hygroscopy and degree of swelling of Vikon-U under different dryness and humidity conditions.
方法采用不同干条件,考察胃康U双层药片外观、引增重及膨胀的变化。
2.Some quality problems of chicken essence products were proposed,such as hygroscopy,agglomeration,color change,stale,color fading,package expanding.