青云翻译

(C) Manpower town wetlands seasonal variation of water pollutants tn, the concentration of nitrate in May the highest nitrate concentrations were lower in other months; ammonia and potassium permanganate index changes are not dramatic, concentrations were lower than "Surface Water Quality Standards"

(C) Wanbao town of pollutants in water by wetland seasonal variation for TN, in May, the highest concentrations of nitrate, lower nitrate-nitrogen concentration in the remaining months; ammonia-nitrogen and potassium permanganate index changes are not violent, concentrations are below the surface wa

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(c) 10,000 Po Town water pollutants in wetlands for seasonal pattern of changes, nitro TN nitrate nitrogen concentrations of the highest in the month of May, the other in a relatively low amine nitrogen concentration; ammonia nitrogen and potassium permanganate index changes are not dramatic, concen

(C) Wanbao town of pollutants in water by wetland seasonal variation for TN, in May, the highest concentrations of nitrate, lower nitrate-nitrogen concentration in the remaining months; ammonia-nitrogen and potassium permanganate index changes are not violent, concentrations are below the surface wa