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A STUDY ON THE TECHNIQUES OF THE RAPID QUARANTINE DETECTION FOR DISEASED WOOD CAUSED BY PINE WOOD NEMATODE A Modified Method for Quantification of L-lysine Analytical method to evaluate chelating capacity of constituents in decoction of Chinese materia medica with free iron ions Establishment of quantitative determination methods of total glycoside groups composition in Chinese materia medica by differential anthrone-sugar hydrazone