biochemical oxygen demand
The amount of oxygen needed by aerobic microorganisms to decompose all the organic matter in a sample of water; it is used as a measure of pollution.
Alternative form of intransigently
Alternative letter-case form of Lapalissian
Relating to macrotechnology.
化学物質の流出後、研究者たちは川の水試料中の有機物を好気性微生物が分解するのに必要な酸素量が急増していることを測定し、生分解性汚染物質の増加を示しました。
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