Philosophical MagazineTaylor & Francis, 1913 - Physics |
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Page 320
... radium A have practically vanished after 20 minutes , and the remaining heating effect is due to radium B and radium C together . A number of experiments were made to test whether radium B provided an appreciable part of the heating ...
... radium A have practically vanished after 20 minutes , and the remaining heating effect is due to radium B and radium C together . A number of experiments were made to test whether radium B provided an appreciable part of the heating ...
Page 412
... radium C1 . There is thus between radium C , of known valency , and radium D of known valency , a product radium C ' of unknown valency . TABLE VI . Radioelement . Period . Valency . Ratio of the difference in valency between parent ...
... radium C1 . There is thus between radium C , of known valency , and radium D of known valency , a product radium C ' of unknown valency . TABLE VI . Radioelement . Period . Valency . Ratio of the difference in valency between parent ...
Page 730
... radium C. Experiments were next made to settle which of the types of y radiation were to be ascribed to radium B and which to radium C. It is not convenient to use radium B itself as a source , as there is a rapid growth of radium C ...
... radium C. Experiments were next made to settle which of the types of y radiation were to be ascribed to radium B and which to radium C. It is not convenient to use radium B itself as a source , as there is a rapid growth of radium C ...
Contents
SIXTH SERIES | 1 |
Dr N Bohr on the Theory of the Decrease of Velocity | 10 |
Dr S A Shorter on the Application of the Theory | 31 |
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absorbed absorption acid activity alpha rays aluminium ampere angle apparatus approximately atomic weight beam brass cadmium iodide calculated carbon cathode rays cent centimetre charge circuit coefficient collisions constant contact potential corpuscles corpuscular radiation curve deflexion deposit determined diffusion discharge electric electrometer electrons electroscope emanation emission emitted energy equation equilibrium experimental experiments film foil formula frequency galvanometer gases given gives glass heating effect hydrogen increase ionization ionization-chamber ions iridium J. J. Thomson layers magnetic maximum measured mercury metal method mgrms molecules negative nitrogen nuclei observed obtained oxide oxygen paper particles Phil phosphorus Phys Planck unit plate platinum positive pressure Proc produced proportional quantity radium ratio scattering shown solution spectrum sublimate substance surface Table temperature theory thickness thorium tube uranium V₁ vapour velocity vibrations volts wave-length waves wire X-rays zero