Arthur Jeffrey Dempster
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
- three element antenna的意思
- three elementary weave的意思
- three elements complex fertilizer的意思
- three elements design的意思
- three element servo system的意思
- three elements feed water regulator的意思
- three elements of force的意思
- three element tagging system的意思
- threee letter signal的意思
- three emergent purging syndromes of yangming disease的意思
- three energy transient phenomena的意思
- three engined的意思
- three engined aeroplane的意思
- three entry connector的意思
- three epitaphs的意思
- three equidistant supports的意思
- three essays on the theory of sexuality的意思
- three essential fertilizer的意思
- three essential fertilizer ratio的意思
- three essential nutrients的意思
- three essentials of fertilizer的意思
- Three Estates的意思
- three exactly coincident rasters的意思
- three excess code的意思
- three exercising aspects的意思