略語大辞典 [Env] 29 DO dissolved oxygen (水中)溶存酸素量. DOが8.8mg/lで生物は死滅し, 2mg/lで悪臭が出る.dissolved oxygen; in water; an index of environmental condition; ref. BOD(biochemical oxygen demand), COD(chemical oxygen demand), SS(suspended solid); [Env:Chem;Ind]. 丸善「略語大辞典」JLogosID : 11872192