ObjectiveIn order to make use of the resources of the gingers, avoid wasting, approach the extraction and determination contents of the total flavanone of the gingers.

目的探讨生姜中总黄酮的提取及鉴别方法，以充分利用生姜植物资源，避免资源的浪费。

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A method for determining mercury (Hg) in reprocessing process was investigated with separation by dithizone extraction and determination by cold atomic fluorescence spectrometry.

本工作建立了双硫腙萃取分离，冷原子荧光光谱法测定后处理工艺中汞的方法。

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The speciation analysis of trace elements in Chinese traditional and herbal drugs, which related to their extraction, separation and determination, was reviewed with 34 references.

综述了中草药中微量元素形态分析的内容以及元素形态的提取、分离与测定。引用文献34篇。

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The BBC's diplomatic correspondent, Jonathan Marcus, says the exploitation of these mines underscores Tehran's determination to master and operate the full scope of the nuclear fuel cycle from uranium extraction, processing, enrichment and ultimately the manufacture of nuclear fuel.

BBC: Iran unveils uranium activities at Saghand and Ardakan