Transportation and transformation of 14C-phenanthrene in closed chamber (nutrient solution-lava-plant-air) system Investigation of N2O and CH4 Emissions from Plants Soil N2O and CH4 fluxes in broad-leaved Korean pine forest of Changbai Mountains Purification of Plasma Membrane of Maize Sperm Cells by Aqueous Polymer Two-Phase partitioning Comparison of hte Effect of Sijunzi Decoction,Siwu Decoction and Bazhen Decoction on Immune Function in Mice CH4 and N2O emission from a rice field and effect of Azolla and fertilitaion on them Tara Oil Extraction by Supercritical Carbon Dioxide and Its Quality Effects of A rm en iaca sibirica-Astraga lus System on So il Physi-chem ica lProperties of the Hill and Gully Area on the Loess Pla teau The Occurrence of Tropical nipponica in Southeast Yunnan and its Phytogeographical Significance EFFECTS OF Ca2+ ON PHOTOREDUCTION ACTIVITY OF ISOLATED CHLOROPLASTS AND RELATIONS TO CALMODULIN RELATIONSHIP BETWEEN NITRATE REDUCTASE ACTIVITY AND YIELD CHARACTER OF HYBRID RICE DURING GROWTH AND DEVELOPMENT The Research on the Influence of Trewia nudiflora Seed Chemical Components on Its Endophyte A Comparative in SiO2 Gel Loading Performance of Wood, Bamboo and Their Carbonized Products CH4 EMISSION FLUX FROM SOIL OF PINE PLANTATIONS IN THE QIANYANZHOU RED EARTH HILL REGION OF CHINA Investigation on quality standard of Franchet groundcherry