Study on polysaccharide S from Tibetan traditional medicine Nardostachys chinensis Recovery prediction of danshensu,salvianolic acid B,and salvianolic acid D in danshen ethanol precipitation Study on quality indicators for concentration process of supernatant obtained in first ethanol precipitation in production of Danshen injection Fast analytical method on content and transfer rate of marker component in ethanol precipitation of cinobufacini by near infrared spectroscopy Study on polysaccharide S from Tibetan traditional medicine Nardostachys chinensis Multi-index integrated evaluation method optimizes water-extraction and ethanol precipitation of Xuanbi‘antong formula (XBF) Design space approach to optimize first ethanol precipitation process of Dangshen Exaimination on Extraction Technology for Radix SopboraeFlavescentis by Means of Orthogonal Experiment Design Correlations of three important technological parameters in first ethanol precipitation of Danshen Network analysis of ethanol precipitation process for Schisandrae Chinensis Fructus