目的研究淫羊藿总黄酮的提取工艺及产地不同的淫羊藿植株总黄酮在各部位的含量分布。
Objective to study an extraction Technology for total flavone and to determine the content distribution in Herba Epimedium.
从种类资源、产地分布、种内变异及组织培养等方面综述了砂仁种质资源的研究进展。
Research development of germplasm resources of Fructus Amomi was reviewed in the aspects of species resource, geographic distribution, intraspecies variation, and tissue culture.
本文介绍了黑曜岩的产生条件、物化性质、用途及产地分布，并总结了相关的考古学意义及考古学研究课题。
This paper summarize the occurrence conditions of obsidian and its physics and chemistry properties, purpose, distribution, as well as archaeological meanings and projects concerned.
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