METHODS The absorption kinetics and permeability rate constants(Ka) were investigated by the in situ perfusing method in rats.

• 方法:采用大鼠在体小肠回流实验装置,测定盐酸贝那普利的吸收动力学与透过速率常数,研究在不同浓度下盐酸贝那普利的吸收机制。