Studies on Potassium Absorption Characteristics of Different Growing Year Alfalfa(Medicago Sativa L.) Seed morphology and effect of sheep rumen digestion on germinability of 28 grass of Tianshan Potassium Nutrition Characteristics in Different Yield Populations of Super Rice Yongyou 12 Absorption characteristics and seasonal variations of optically active water constituents from Liaohe River Characteristics of phosphorus uptake by plants in soybean (Glycine MaxL. merr) and citrus (Citrus poonensis Hort ex Tanaka) intercropping system Absorption of 3-acetyl-11-keto-β-boswellic acid in Caco-2 cells and MDCK cell models Permeability of ferulic acid in Caco-2 cell model and its absorption properties in rats in vivo Permeability of ferulic acid in Caco-2 cell model and its absorption properties in rats in vivo Absorption characteristic of total alkaloids from Sophora flavescens and their monomers in Caco-2 cell model Comparison on nutrient requirement characteristics of seed-producing corn and yield-producing corn in the Hexi Corridor Comparison of infraredspectra of biles from chicken and other commonanimals Characteristics of Aluminum absorption by Longan (Dimocarpus longan) seedlings Absorption characteristic of total alkaloids from Sophora flavescens and their monomers in Caco-2 cell model