Nitrogen
There was a corresponding text as follows～4Reviews～
- 1.03.16 Reclamation treatment of sewage by biological denitrification Search for keyword:Biological denitrification, Coagulating sedimentation, dephosphorization, Nitrogen, Sewage reclamation
- 2.02.16 Investigation of the available amount of nitrogen compounds derived from industrial activities (2nd survey) Search for keyword:Nitrogen, survey, Wastewater treatment
- 2.04.09 Research on the impact of human activities in addition to the nitrogen cycle as an indicator of a healthy forest ecosystem 2000(H12) Search for keyword:Nitric acid, Nitrogen, Phosphoric acid, Potassium, Water resources
- 3.03.04 Research into the amount of available nitrogen compounds originating in industrial activities Search for keyword:Industrial wastewater, Nitrogen, Sewage treatment