Regularity of lowering heated contents of tanshinone ⅡA in root of Salvia miltiorrhiza Study on electrochemical kinetics of matrine and sophoridine in a physiological medium A Study on the Stability of Jingu Tongxiao Pills Research on Stability of Angesin Solution Adsorption behavior of cadmium in phaeozem and burozem Cu adsorption by phaeozem and burazem Theoretical Analysis on Thermal Pyrolysis of Major Compositions in Tree Leaves