title: [Determination of the activity of nitrifying bacteria in surface waters by a modified BOD-test].
mesh_terms: D000641:Ammonia / Q000032:analysis; D009566:Nitrates / Q000032:analysis; D009573:Nitrites / Q000032:analysis; D009576:Nitrobacter / Q000032:analysis / Q000378:metabolism*; D009584:Nitrogen / Q000032:analysis*; D009606:Nitrosomonas / Q000032:analysis / Q000378:metabolism*; D010100:Oxygen / Q000032:analysis; D010101:Oxygen Consumption; D012621:Seasons; D013696:Temperature; D014867:Water / Q000032:analysis; D014871:Water Microbiology
chemical_list: D009566:Nitrates; D009573:Nitrites; D014867:Water; D000641:Ammonia; D009584:Nitrogen; D010100:Oxygen
vernacular_title: Ermittlung der Aktivität der Nitrifikanten im Oberflächenwasser mit einer Methode der BSB-Bestimmung.