你即將離開本站

並前往https://aqicn.org/faq/2015-09-06/ozone-aqi-using-concentrations-in-milligrams-or-ppb/

Ozone AQI: Using concentrations in milligrams or ppb?

So `1 ppm = 1000 ppb or 1 ppb = 10 -3 ppm`. The conversion factor depends on the temperature at which you want the conversion (usually 25 ...

確定！ 回上一頁

查詢 「Ppm ppb」的人也找了：

  1. ppm ppb換算
    2.
  2. Ppm ppb
    3.
  3. Ppb
    4.
  4. ppb定義
    5.
  5. ug/l ppm
    6.
  6. ppm換算mg/l
    7.
  7. ppm是什麼
    8.
  8. ppm換算百分比
    9.