Chemical constituents of Solanum torvum Effect of artificial Bovis Calculus on pulmonary metastasis from breast cancer of mice Effect of artificial Bovis Calculus on pulmonary metastasis from breast cancer of mice Optimization on preparation technology of ardipusilloside-I polylactic acid microspheres by orthogonal design Study on chemical constituents of Erigeron canadensis Study on chemical constituents in stems of Dend}obium nobile Preparation of curcumin thermoresponsive nanogels and their characteristics Chemical constituents from stems of Ficus auriculata Synthesis of theophylline molecular imprinted polymer microspheres and their properties Quality standard study on Entadae Semen A Method of Recovering Short DNA Fragments from Non-denaturing Polyacrylamide Gel Effects of acid soils treated with lime and polyacrylamide on the growth and physiological characteristics of flue cured tobacco Proteomics Analysis of Ram Sperm by Heavy Ion Radiation Synthesis of Superabsorbent by Means of Irradiation (Pilot Scale ExperimentationⅡ) SYNTHESIS OF SUPERABSORBENT BY MEANS OF IRRADIATION (PILOT SCALE EXPERIMENTATION Ⅰ) COMPARATIVE PROTEOMICS ANALYSIS OF SHEEP SPERM UNDER TWO DOSES OF HEAVY ION TO IRRADIATION Effects of organic material application on the structures of humic acids in low yield paddy soil  Chemical constituents from air-dried Piper longum Enriching of total flavonoids from Herba Leonuri with polyamide and macroporous resin Technology of eliminating tannin with polyamide-adsorption for preparing Xinshao lyophilization Chemical constituents of Hypnea charoides Chemical constituents of Lepista nuda Studies on Purity Identification of Maize Seed with Albumin Polymorp-hism