nitrogen oxides

 
  • 氧化氮
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nitrogen oxides的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

名詞 nitrogen oxide:
  1. any of several oxides of nitrogen formed by the action of nitric acid on oxidizable materials; present in car exhausts

nitrogen oxides的用法和樣例:

例句

  1. In the spark-ignition engine, recirculating some of the exhaust gas reduces the emission of nitrogen oxides.
    在火花點(diǎn)火的發(fā)動(dòng)機中,再循環(huán)的一部分廢氣減少了氧化氮的有害污染物。
  2. The concentrations of nitrogen dioxide and ozone also exceed the objectives for a few days in a year.
    二氧化氮及臭氧的濃度,每年也有幾天超出了空氣質(zhì)素指標。
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