The Radioactive Substances: Their Properties and BehaviourK. Paul, Trench, Trübner & Company, Limited, 1908 - 301 pagini |
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Pagina 148
... rise in activity of the radium , and the straight line C , which is parallel to the axis of time , the sum of these two activities at successive times . Now this is a result of the greatest importance ; for although it is possible to ...
... rise in activity of the radium , and the straight line C , which is parallel to the axis of time , the sum of these two activities at successive times . Now this is a result of the greatest importance ; for although it is possible to ...
Pagina 152
... rise to about one cubic millimetre of the emanation . But later experiments by Cameron and Ramsay ( Jahrbuch für Radio - aktivität und Elektronik , IV , 3 , pp . 253-74 ) seem to show that the above estimate is too low . expected from a ...
... rise to about one cubic millimetre of the emanation . But later experiments by Cameron and Ramsay ( Jahrbuch für Radio - aktivität und Elektronik , IV , 3 , pp . 253-74 ) seem to show that the above estimate is too low . expected from a ...
Pagina 164
... rise ; but with thorium emanation the rate of decay is so rapid that the manipulations cannot be carried out sufficiently quickly for the purpose . The boiling point of radium emanation was 1 Rutherford and Soddy , Phil . Mag . , May ...
... rise ; but with thorium emanation the rate of decay is so rapid that the manipulations cannot be carried out sufficiently quickly for the purpose . The boiling point of radium emanation was 1 Rutherford and Soddy , Phil . Mag . , May ...
Pagina 173
... rise to a substance deposited on bodies in its neighbourhood which itself decays with time , giving out radiations and accounting for the phenomena of induced activity . On this view , then , the induced activity is due to a deposit of ...
... rise to a substance deposited on bodies in its neighbourhood which itself decays with time , giving out radiations and accounting for the phenomena of induced activity . On this view , then , the induced activity is due to a deposit of ...
Pagina 174
... rise to radioactive deposits upon bodies with which they come in contact and that applying the same hypothesis as that adopted for the formation of the emanation , the active deposits may be considered as being formed by the ...
... rise to radioactive deposits upon bodies with which they come in contact and that applying the same hypothesis as that adopted for the formation of the emanation , the active deposits may be considered as being formed by the ...
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Termeni și expresii frecvente
absorption actinium active deposit ALPHA RAYS aluminium atomic weight barium Becquerel bismuth Boltwood cathode rays centimetres charge carried charged particles chemical considered contained corpuscles crystals Curie and Danne deflected density detected discovery effect electric field electrolysis electrometer electroscope emana experiments exposed fact fluorescence formed Fourth Edition gases gramme of radium heat helium hydrogen Illustrations insulated ionization J. J. Thomson known light LL.D Madame Curie magnetic field matter measured metals method minerals nature negative ions negatively charged obtained passing phenomena Phil pitchblende polonium present pressure produced properties quantity of emanation quantity of radium radiation emitted radio radioactive bodies radioactive elements radioactive substances radium bromide radium chloride radium emanation radium salt rate of decay removed Röntgen rays Rutherford Rutherford and Soddy seen separated shown solution temperature thorium thorium emanation tion transformed tube uranium velocity vessel weight of radium wire