被污染的废物经常被随意倒掉，周边土地因此而变得很贫瘠。The polluted waste is often dumped, making the surrounding land infertile.这片土地已被污染得面目全非。The ground has been polluted beyond recall.城市上空被污染的空气所笼罩.Polluted air hangs over the city....
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.HPLC method for determination of ciprofloxacin hydrochloride and hydrocorti...