方法：以聚乙烯吡咯烷酮（PVP）、聚乙二醇-6000（PEG-6000）为载体，溶剂法和溶剂熔融法制备固体分散体，并进行体外溶出度研究。
Method: carvedilol solid dispersions were prepared by solvent-melting and coevaporation methods with PEG-6000 and PVP as carriers, the study on the dissolution was conducted in vitro.
采用一步法和二步法研究了聚乙烯薄膜表面的N- 乙烯基吡咯烷酮光接枝反应，并用傅立叶变换红外光谱仪定性表征了反应结果。
The photografting polymerization of Nvinyl pyrrolidone (NVP) on the surface of LDPE film with photo grafting method was studied and LDPEgNVP was characterized by FTIR qualitatively.
方法采用L9(34)正交试验法，以崩解时限为指标，以微晶纤维素、低取代羟丙基纤维素、交联乙烯吡咯烷酮、甘露醇等为辅料，筛选最佳处方和制备工艺。
Methods the L9 (34) orthogonal was designed with disintegrating time as the assessment index, and MCC, LHPC, PVPP, Mannitol et al were used in the formulation and preparation.
方法采用L9(34)正交试验法，以崩解时限为指标，以微晶纤维素、低取代羟丙基纤维素、交联乙烯吡咯烷酮、甘露醇等为辅料，筛选最佳处方和制备工艺。
Methods the L9 (34) orthogonal was designed with disintegrating time as the assessment index, and MCC, LHPC, PVPP, Mannitol et al were used in the formulation and preparation.
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