In addition, the addition of surfactant favored the reduced dosage of relatively expensive polyethylene glycol (PEG400), and the cost of liquefaction could thus be reduced.
另外,表面活性剂的存在还能减少价格较贵的聚乙二醇400的用量,因此降低了液化的成本。
3
At the same time, the effects of the coating solvent, DBP, PEG-400, coating level, spray rate, air temperature and pan speed on the drug release character are investigated.