Philosophical MagazineTaylor & Francis, 1913 - Physics |
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Page 331
... thorium C had dissolved more than the thorium B. ( This of course is due to the fact that the activity of the plate arises from the thorium C only . ) Thus when thorium B is dissolved from the plate , the loss does not immediately ...
... thorium C had dissolved more than the thorium B. ( This of course is due to the fact that the activity of the plate arises from the thorium C only . ) Thus when thorium B is dissolved from the plate , the loss does not immediately ...
Page 334
... thorium series with the symbols ( or abbreviations ) here used are as follows : -Thorium ; meso- thorium - one ( Ms , ) ; mesothorium - two ( Msg ) ; radiothorium ( Rt ) ; thorium X ( ThX ) ; emanation ( Em ) ; thorium A ( A ) of period ...
... thorium series with the symbols ( or abbreviations ) here used are as follows : -Thorium ; meso- thorium - one ( Ms , ) ; mesothorium - two ( Msg ) ; radiothorium ( Rt ) ; thorium X ( ThX ) ; emanation ( Em ) ; thorium A ( A ) of period ...
Page 338
... thorium must contain more or less Ms. However , the proportion of the latter will be quite small if thorium is used which has been freed from this pair of products a few days previously . A better plan is to use Rt as the source of ...
... thorium must contain more or less Ms. However , the proportion of the latter will be quite small if thorium is used which has been freed from this pair of products a few days previously . A better plan is to use Rt as the source of ...
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