Bulletin of the National Research Council, Ausgaben 51-54National Research Council of the National Academy of Sciences, 1925 |
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Seite 5
... measurement . Only as much concerning the technique of measurement as is peculiar to this field has therefore been included . Many devices and methods used for the study of gaseous ionization , however produced , are not here considered ...
... measurement . Only as much concerning the technique of measurement as is peculiar to this field has therefore been included . Many devices and methods used for the study of gaseous ionization , however produced , are not here considered ...
Seite 10
... measurement . Staehling reports a small difference between the a - ray activities of different oxides containing the same amount of UI ( 92UI ) . He traces this to the difference in their absorp- tion of their own radiations . The black ...
... measurement . Staehling reports a small difference between the a - ray activities of different oxides containing the same amount of UI ( 92UI ) . He traces this to the difference in their absorp- tion of their own radiations . The black ...
Seite 11
... measured the relative . ranges of the a - particles from UI ( 92UI ) and UII ( 92UII ) in the particularly well defined pleochroic haloes of Wölsendorfer fluorspar and finds the values given here in Table II - A . The value for Ul ...
... measured the relative . ranges of the a - particles from UI ( 92UI ) and UII ( 92UII ) in the particularly well defined pleochroic haloes of Wölsendorfer fluorspar and finds the values given here in Table II - A . The value for Ul ...
Seite 12
... upper limit , is due to Meyer , and depends upon the determination ( by measurement of atomic weight ) of the relative proportions of the principal thorium isotopes , Th ( 90ThI ) and Io ( 90Ra ) , 12 RADIOACTIVITY Radium series.
... upper limit , is due to Meyer , and depends upon the determination ( by measurement of atomic weight ) of the relative proportions of the principal thorium isotopes , Th ( 90ThI ) and Io ( 90Ra ) , 12 RADIOACTIVITY Radium series.
Seite 13
... measurement of the number of longer - range a - particles emitted , these being due to Io ( 90Ra ) alone ... measuring the growth of Ra ( 88Ra ) from Io ( 90Ra ) . The latest results obtained by this method are those of Ellen Gleditsch ...
... measurement of the number of longer - range a - particles emitted , these being due to Io ( 90Ra ) alone ... measuring the growth of Ra ( 88Ra ) from Io ( 90Ra ) . The latest results obtained by this method are those of Ellen Gleditsch ...
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Häufige Begriffe und Wortgruppen
a-particles a-rays absorption Actinium American Geophysical Union angle angular momentum applied atomic number atomic weight average axis azimuthal quantum B-rays Bohr candidate for honors charge Chem classical computed constant contact transformation correspondence principle degree determined effect electric electron emission emitted energy equation examination experimental Faculty formula frequency Geodetic Survey Geophysical Union given grade graduation helium Honors Courses honors students hydrogen Ibid intensity ionization Junior magnetic field major department method motion National Research Council nuclear nucleus observed obtained orbits oscillators particles perturbed Phil Phys polarization precession Proc quantization quantum number quantum theory Ra 88Ra RaB 82RaI RaC 83RaI radiation radio-elements radioactive radium RaF 84RaIII range rays Rn 86Ra scattering Section semester Senior SOMMERFELD special honors spectra Stark effect theorem thorium tion variables variation velocity wave Wien X-rays y-rays