Bulletin of the National Research Council, Ausgaben 51-54National Research Council of the National Academy of Sciences, 1925 |
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Seite 24
... equal temperatures . An anomaly in the be- havior of ThC ( 83Th ) , observed in volatilization from these two metals at 760 ° C , does not , for reasons still to be determined , occur in the case of palladium . ThC ' ( 84ThII ) Thorium ...
... equal temperatures . An anomaly in the be- havior of ThC ( 83Th ) , observed in volatilization from these two metals at 760 ° C , does not , for reasons still to be determined , occur in the case of palladium . ThC ' ( 84ThII ) Thorium ...
Seite 37
... equal brightness by means of optical absorption in one of the microscopes . This optical method may prove generally useful in distinguishing between a - rays and H - rays and between different types of a - rays . The application of the ...
... equal brightness by means of optical absorption in one of the microscopes . This optical method may prove generally useful in distinguishing between a - rays and H - rays and between different types of a - rays . The application of the ...
Seite 41
... - particles , calculated from their common mass ( assumed equal to that of the helium nucleus ) and from the measured values of their initial velocities . The first counting experiments by Rutherford - Geiger give for ALPHA - RAYS 41.
... - particles , calculated from their common mass ( assumed equal to that of the helium nucleus ) and from the measured values of their initial velocities . The first counting experiments by Rutherford - Geiger give for ALPHA - RAYS 41.
Seite 43
... equal to that of an electron which has fallen . through a potential difference of 13.5 volts , so that beyond the point corresponding to this velocity an a - particle would not be expected to produce even a single pair of ions in air ...
... equal to that of an electron which has fallen . through a potential difference of 13.5 volts , so that beyond the point corresponding to this velocity an a - particle would not be expected to produce even a single pair of ions in air ...
Seite 46
... equal to the range in it of the a - particles of RaC ' ( 84RaII ) . The thickness at the butt end of the wedge was measured by calipers and the measured ranges were corrected for the small amount of air between the wire and the screen ...
... equal to the range in it of the a - particles of RaC ' ( 84RaII ) . The thickness at the butt end of the wedge was measured by calipers and the measured ranges were corrected for the small amount of air between the wire and the screen ...
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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