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在中药微量元素及临床研究中，经常需要比较中药中的不同微量元素的相对含量高低，但由于同种药物中各元素含量之间量纲不一，无法仅根据具体含量值来判断含量水平，繁琐的计算给实际工作带来很大不便。我们在检测百余味中药数十种微量元素含量基础上，首次运用有序样品聚类分析的思路和方法，建立了植物类中药微量元素含量区间尺。
In the trace elements of traditional Chinese medicine and clinical research, it is often necessary to compare the relative levels of different trace elements in traditional Chinese medicine. However, due to the inconsistent differences in the content of each element in the same kind of medicine, it is not possible to judge the content level based on the specific content alone. The cumbersome calculations cause great inconvenience to the actual work. Based on the determination of dozens of trace elements in a hundred-odor flavor Chinese herbal medicine, we used the ideas and methods of cluster analysis of ordered samples for the first time to establish a trace element for trace elements in botanical Chinese herbal medicines.