index of a water contamination by the organic compounds determined by a quantity of oxygen that was taken per a time unit (usually 5 days – BCO5) at the acidification of pollutants contained in a fix volume of water.
«Биологикал консумптион оф охйген (БКО)» бўйича 1 та натижа
index of a water contamination by the organic compounds determined by a quantity of oxygen that was taken per a time unit (usually 5 days – BCO5) at the acidification of pollutants contained in a fix volume of water.