OBJECTIVE The solid dispersion method was adopted to enhance the dissolution rate of nifedipine (NFDP) which is a poorly water-soluble drug.

目的 采用制剂技术提高难溶性药物硝苯地平体外溶出速率。

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Methods: HPMC and stearic acid were used to prepare melatonin controlled-release bilayer tablets by application of solid dispersion method and double compression technology.

方法：以hpmc、硬脂酸为骨架材料，采用固体分散技术和双层压片工艺，制备褪黑素双层控释片。

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Method: Bomeolum Syntheticum and PEG 6000 mixing preparative solid dispersion and packed capsules, toxicity was tested.

方法：将冰片用水溶性辅料聚乙二醇6000制成固体分散体，并填装入胶囊，进行毒理试验。

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