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Preparation of Yuanhuacine by Low Pressure Column Chromatography Study on method for extracting and separating oridonin in Rabdosia rubescens Preparation of safflor yellow and hydroxysafflor yellow A by macroporous resin column chromatography Monitoring method for macroporous resin column chromatography process of salvianolic acids based on near infrared spectroscopy The New Method for Preparing Oridonin by Column Chromatography Isolation,purification and identification of polysaccharide of Cistanche deserticola Research on purification technology of total flavonoids in leaves of Ginkgo biloba Research on purification technology of total flavonoids in leaves of Ginkgo biloba Research of extracting and purifying taxol from the branches of Taxus media Isolation and Purification of C-phycocyanin from Nostoc flagelliforme Determenation of dehydroandrographolide in Chuanxinlian Tablets by solvent flotation-HPLC Preparation of acteoside from Campsis Flos Study on polysaccharide S from Tibetan traditional medicine Nardostachys chinensis Analysis of the Constituents and Antisenile Function of Achyranthes bidentata Polysaccharides Study on polysaccharide S from Tibetan traditional medicine Nardostachys chinensis Preparation of acteoside from Campsis Flos Separation and purification of bergapten from Notopterygii Rhizoma et Radix by silica gel column and high-speed counter-current chromatography Study on activity of VEGF-binding factors in Paris polyphylla Studies on the Chemical Constituents of Patrinia scabiasaefolia Fisch. Extraction and Separation of Antitumor Components from Ganoderma lucidum (Leyss.ex Fr.) Karst. Studies on Precipitate of HuanglianHuangqin Couples in Decoction