Spectrum-effect relationships on uric acid lowering effect of Cichorium intybus Exploration on feasibility of introducing bioassay method into quality evaluation of Chinese herbal medicines by studying on the correlation between antioxidant activity of Prunella vulgaris and its total phenolic acids content for example Retrieval of forest topsoil organic matter’s spatial pattern based on LiDAR data. A study on a model of turf quality evaluation based on reflectance spectroscopy