The concentration-time data of sulfamonomethoxine in plasma was well fitted to a two-compartment open model with first-order absorption by MCPKP computer software.
RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.
In iron-removal from china stone,it has obtained satisfactory results with highyield of refined china clay and its product has reached the standards of Grade 1 china stone。
The 'thermal hysteresis' of first-order ferroelectric phase transitions and the polydomain structure of ferroelectrics can be explained on the basis of the principle of minimum entropy production.
Moreover, it is find that the optimum length between deuterohemin and His is one residue, and all of the monomers are more active than their corresponding dimmers.