solution concentration短语¹⁴⁴⁹⁷²⁺² 基本例句 溶液浓度 OBJECTIVE To investigate the absorption kinetics of paeoniflorin at different intestine segments of rats and the influence of the drug solution concentration on the absorption kinetics. 目的分别考察芍药苷在大鼠各肠段的吸收动力学特征及不同药物浓度对其的影响。 cnki