[Some approaches to the hygienic evaluation of the efficacy of ozonizing sewage polluted with chemical substances].
D008433:Mathematics; D010126:Ozone; D012722:Sewage / Q000032:analysis*; D014586:USSR; D014873:Water Pollutants / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*
D012722:Sewage; D014873:Water Pollutants; D014874:Water Pollutants, Chemical; D010126:Ozone
O nekotorykh podkhodakh k gigienicheskoĭ otsenke éffektivnosti ozonirovaniia stochnykh vod, zagriaznennykh khimicheskimi veshchestvami