nitrogen dioxide concentration

常見例句

雙語例句

• High concentration of sulphur dioxide, nitrogen, oxides and dust have long been known to be harmful.
  人們早已知道，二氧化硫、氮、氧化物和塵埃濃度高是有害的。
• The square of coloring development length of the tube was directly proportional to the product of the nitrogen dioxide concentration and sampling time.
  根據(jù)時(shí)間和顯色長度可求出環(huán)境中二氧化氮的濃度。
• They recommend revised limits for the concentration of selected air pollutants: particulate matter (PM), ozone (O3), nitrogen dioxide (NO2) and sulfur dioxide (SO2), applicable across all WHO regions.
  它們?yōu)橄率鲞x定的空氣污染物的濃度限值提出了修訂：可吸入顆粒物（PM）、臭氧（O3）、二氧化氮（NO2）和二氧化硫（SO2），適用于世衛(wèi)組織所有區(qū)域。
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