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Quantitation of flavonoids in silymarin loaded solid dispersion system Determination of Berberine in Xianglian Wan and Zuojin Wan Using First Derivative Spectrometry Hyperspectral characteristics of typical subtopical trees at different levels of simulated acid rain Extraction and purification technology for different extracts from Lamiophlomis rotata in industrialization Preliminary Hyperspectral Estimation Models for Crude Fat Content in Corn Determination of Concentration and Encapsulation Efficie ncy of Silybin Liposomes Extraction and analysis of hyper-spectral data from typical desert grassland in Xinjiang