Kinetic mathematical models for extraction process of natural medicines SU Hui, Kinetic mathematical models for extraction process of natural medicines Effects of microwave radiation on extraction of epimedin B from Epimedii Folium VOCs Emission Characteristics of Particle Board in Small Ventilated Chamber THEORETICAL ANALYSIS ON THE MOISTURE FLUX AND HEAT FLUX IN PROCESSES OF WOOD PRE-HEATING Heat and Mass Transfer and Coupling Effect in Wood Drying Theory of Heat and Mass Transfer during the Process of Wood Particle Drying with Convection