જૈવિક ઑક્સિજન માંગ તથા અતિપોષણ
Biological oxygen demand and malnutrition
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The decay of organic matter in water is measured as biochemical or chemical oxygen demand. ... Oxygen demand is a measure of the amount of oxidizable substances in a water sample that can lower DO concentrations. means Biochemical oxygen demand. The microorganisms use organic matter as a food source through oxidation which oxygen is consumed. COD, Chemical Oxygen Demand, is a measure of the total quantity of oxygen required to oxidize all organic material into carbon dioxide and water
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