各阶段分别取样,测定抗生素浓度-杀菌曲线(concentration-killing curve,CKC),结果表明菌群的生理异质性导致菌群个体间的药物敏感性不同,总体呈现正态分布.
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加替沙星体外杀菌曲线呈浓度依赖性；
The killing curves of gatifloxacin are characterized by concentration-dependent killing over a range of concentrations.
并进一步以体外琼脂扩散法和时间—杀菌曲线法验证其协同作用。
Agar disk diffusion test, time-kill curve studies confirmed the synergism of them.
最低杀菌浓度（MBC）用肉汤稀释法，并用杀菌曲线方法比较两种喹诺酮药物杀菌性能。
The bactericidal activity of levofloxacin was tested using minimal bactericidal concentration (MBC) and killing curve methods.
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