Bulletin of the National Research Council, Ausgaben 51-54National Research Council of the National Academy of Sciences, 1925 |
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Seite 11
... assumption that both Io ( 90Ra ) and UY ( 90UII ) are prod- ucts of UII ( 92UII ) the best value of the branching ratio is that of Hahn - Meitner ( 3 % ) rather than that of Piccard - Stahel ( 8 % ) . Kirsch and Widdowson - Russell ...
... assumption that both Io ( 90Ra ) and UY ( 90UII ) are prod- ucts of UII ( 92UII ) the best value of the branching ratio is that of Hahn - Meitner ( 3 % ) rather than that of Piccard - Stahel ( 8 % ) . Kirsch and Widdowson - Russell ...
Seite 22
... assumed atomic weight of this isotope , 236 , and from the ratio of Th ( 90ThI ) to UI ( 92UI ) in minerals of different age , he arrives at 6.3 × 10 yr as the probable half - value period of the hypothetical thorio- uranium ( 92Th ) ...
... assumed atomic weight of this isotope , 236 , and from the ratio of Th ( 90ThI ) to UI ( 92UI ) in minerals of different age , he arrives at 6.3 × 10 yr as the probable half - value period of the hypothetical thorio- uranium ( 92Th ) ...
Seite 28
... assumed to be correct . Hoffmann 2 has checked this comparison of rubidium with uranium and attempted a similar com- parison in the case of potassium . The ratio of the activity of rubidium ( 37Rb ) to that of potassium ( 19K ) depends ...
... assumed to be correct . Hoffmann 2 has checked this comparison of rubidium with uranium and attempted a similar com- parison in the case of potassium . The ratio of the activity of rubidium ( 37Rb ) to that of potassium ( 19K ) depends ...
Seite 29
... assumed that the two values not italicized have been calculated from the third by the formulae , λT = loge2 , λr = 1 . If no one of the three values is italicized the corresponding part of the text will explain how the tabular entries ...
... assumed that the two values not italicized have been calculated from the third by the formulae , λT = loge2 , λr = 1 . If no one of the three values is italicized the corresponding part of the text will explain how the tabular entries ...
Seite 35
... assumption made by Rüch- ardt is that , to be caught , the electron must describe an ellipse about the passing nucleus . The energy conditions are given by mv2 E 2 ≤eft , where e and m are the charge and the mass of the electron , E ...
... assumption made by Rüch- ardt is that , to be caught , the electron must describe an ellipse about the passing nucleus . The energy conditions are given by mv2 E 2 ≤eft , where e and m are the charge and the mass of the electron , E ...
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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