Biochemical Oxygen Demand (生化需氧量) Biochemical Oxygen Demand (生化需氧量)The amount of oxygen used by microorganisms in the aerobic oxidation of organic matter is a measure of the Biochemical Oxygen Demand (BOD).Nutrients contribute to high BOD in water systems by stimulating plant growth. When the plants die, aerobic bacteria utilize oxy…… http://www.samsco.com.cn/info/169421.htm