Results Ethambutol hydrochloride, isoniazid, pyrazinamide and rifampicin all had good chromatographic behavior.结果盐酸乙胺丁醇 、 利福平、吡嗪酰胺和异烟肼均具有良好的色谱行为.Objective: To establish a HPLC method determination of assay for ethambutol...
to be in an invulnerable position立于不败之地The dangerous drivers are those who think they're invulnerable.那些危险驾驶的人就是以为自己不会受伤.The oceans, vast as they are, are not invulnerable to pollution.海洋虽然辽阔, 但也不是不会受到污染的侵害....