TRACER KINETICS RESEARCH ON THE VARIATION OF TRANSPORTATION VELOCITY OF PHOTOSYNTHATE IN STEM AND SHEATH OF RICE Different Propagation Velocity of Stress Wave in Poplar and Larch Logs Propagation Velocity of Stress Wave and Ultrasonic Wave Transmitting on Indefectible Cross Section of Standing Trees Differences of growth and root absorption of different apple rootstock seedlings in replant stress The calculation and control of the effective fastpropagation velocity and the total yield of commodity seedlings on the plant fast propagation Diffusion of colorado potato beetle, Leptinotarsa decemlineata, adults in field Effects of Moisture Content and Temperature on Propagation Velocity of Stress Waves in Korean Pine Wood Profile characteristics or near-surface layer in farmland windbreak network region Reduction pattern of wind-speed in farmland windbreak network region Effects of humulon on kinetic constants of NAT1 in SGC-7901 cells Dynamics of dry deposition velocities (Vd) of atmospheric SO2 on rapeseed/rice rotation systems in selected area of South China Dry deposition flux of air sulphur at a typical red soil area-with Jiangxi Red Soil Station as example Dry deposition flux of air sulphur at a typical red soil area-with Jiangxi Red Soil Station as example Study on configuration fabric and germinative conditions of Salvia miltiorrhizy seeds