结论：等距浸出法简单实用，是一种较好的长效制剂的体外释放新方法。
Conclusion: The equal distance release method is a simple, practical method, and is a better release method of sustained-release preparations in vitro.
颠茄酊是一种应用广泛的制剂。它是颠茄叶的水和乙醇浸出物。
Belladonna tincture is a widely used preparation that consists of an aqueous-alcoholic extract of belladonna leaves.
并按质量标准研究的技术要求，对药材及制剂进行了系统的鉴别、检查、浸出物测定及含量测定等项研究。
According to the technical demands of quality standard of new drug, the author has studied systematic identification test of extraction and content assay of Rhiroma Menipermi.
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