Arthur Jeffrey Dempster
![](/Images/godic/202412/21/Arthur_Jeffrey_Dempster_-_Portrait4830.jpg")
![](/Images/godic/202412/21/Dempster_mass_spectrum4830.gif")
![Dempster's 1918 mass spectrometer.](/Images/godic/202412/21/Dempster_Mass_Spectrometer4830.gif")
Arthur Jeffrey Dempster (August 14, 1886 - March 11, 1950) was a Canadian-American physicist best known for his work in mass spectrometry and his discovery of the uranium isotope U.
Arthur Jeffrey Dempster
英语百科
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