METHODS 1HNMR spectra of ether-extracts of samples were examined, and 1HNMR spectra were translated to a digital matrix, then PCA and PLS-DA were used to analyze the digital matrix.
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释义
方法以1HNMR法测定川芎乙醚提取物,将图谱转化为数据矩阵,分别采用PCA、PLS-DA两种模式识别方法分析数据。
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