Sampling in quality control of medicinal materials-A case of Epimedium Variation of substance content during growth cycle of cultured Ganoderma lucidum and its mechanism Chemical Reactions in the Preparation of Baisheng Dan and Baijiang Dan Assessment on potential toxic and side effects of raw materials in Chinese materia medica cosmetics A preliminary study on fermentation technology in the manufacture of fuel alcohol using annual ryegrass Community Recovery and Stand Growth after Transforming the Secondary Broadleaved Forest into the Edible Fungi Raw Material Forest Evaluation of Investment Economic Revenue and Confirmation of the Best Economic Cutting Cycle of Industrial Raw Material Forest Eucalyptus Which one is more important, raw materials or productive technology?—— a case study for quality consistency control of Gegen Qinlian decoction