Gas breathed out was collected at 9 different time within 120 min. The samples were analyzed with mass spectrograph to obtain DOB, MV and CUM curves and CUM120 value.

　
英 美
  • 在120 min內9個(gè)時(shí)間點(diǎn)收集呼出氣體；利用呼氣質(zhì)譜儀作出DOB、MV、CUM曲線(xiàn)及CUM120數值.
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