Horse waste is rich in phosphorus and also nitrogen compared to normal soil.

和普通土壤相比，马粪更富含磷和氮。

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The waste gases coming from burning coal, oil and petrol include sulphur dioxide and nitrogen dioxide.

煤、燃油和汽油燃烧时产生的废气中含有二氧化硫和二氧化氮。

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The element nitrogen and sulfur in waste tyres are major precursors of secondary pollutions.

废轮胎本身含有的硫和氮是热解二次污染物产生的前驱元素。

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Some scientists say densely packing fish into cages or nets in natural bodies of water, frequently just offshore, can destroy delicate habitats while the waste generated can elevate nitrogen levels to harmful levels.

WSJ: Guidelines for Eating Sustainable Seafood

Too much oxygen and the toxic ammonia in waste won't convert to nitrogen gas, which bubbles out.

FORBES: Muckraker

Every day four waste treatment plants feed more than 250 million gallons of nitrogen filled wastewater into the bay, a massive expanse of 20, 000 acres of water sitting where Brooklyn and Queens meet at their southernmost point.

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