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单词 θ67396
释义
the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > spectrometry > mass spectrometry > apparatus (3)
mass spectrograph1920

A mass spectrometer in which the deflected ions are detected photographically.

mass spectrometer1932

An apparatus used to analyse substances by the separation of ions in a sample according to their mass-to-charge ratio, which produces a…

mass spectroscope1941

A mass spectrometer.

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更新时间:2024/12/23 3:20:05