Isolation,Identification and Characteristics of Denitrifying Polyphosphate-Accumulating Organisms Polyamine Contents and Polyamine Oxidase Activities in Roots and Leaves of Two Jujube (Ziziphus jujuba Mill.) Cultivars with Contrary Salt Tolerance under Salt Stress The Influence on Peroxidase Activity and Polyamine Oxidase Activity of Leaves in Wheat Seedings Exposed to Enhanced Ultraviolet-B Radiation and Irradiated by He-Ne Laser Ceropegia Linn.(Asclepiadaceae)——A Newly Recorded Genus of Shaanxi Metabolism of Polyamine during the Development of Flora Buds in Cytoplasmic Male Sterile Line and Its Maintainer Line in Brassica na pus L. Cloning and Expression Analysis of Key Genes PPH and PAO for Chlorophyll Degradation in Cucumber Cloning and Expression Analysis of Key Genes PPH and PAO for Chlorophyll Degradation in Cucumber Review on the main microorganisms and their metabolic mechanisms in enhanced biological phosphorus removal (EBPR)systems. The preparation of Fd and studies on assay method of pheide a oxygenase activities by HPLC-fluorescence involved in Fd Preliminary Trial on the Inducement of Seed Sprouting of Ningyoumateng (Mucuna paohwashanica) from Zhejiang Province Studies on Processed Rhubarbs Ⅷ. Studies on the Effect of Processing on Rhatannin-Containing Compounds Mechanism of Water Stress-induced Apoplastic H2O2 Accumulation in Maize Leaves Fractal study of the distribution proportion of the oasis system in China