Study on the Fingerprint Chromatogram of the Compound Giant Knotweed Rhizome by High Performance Liquid Chromatography Identification of active components in Syngnathus acus by HILIC-ESI-TOF/MS and study on their specific fingerprint chromatograms Study on HPLC fingerprint chromatograms of Arisaematis Rhizoma Relationship between HPLC fingerprint chromatogram and inhibitory effecton respiratory burst of rat PMN of leaves of crataegus HPLC fingerprint for leaves of Ficus microcarpa in different harvest periods