The Radioactive Substances: Their Properties and BehaviourK. Paul, Trench, Trübner & Company, Limited, 1908 - 301 pagini |
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Pagina 13
... contain- ing an equal number of positive and negative ions is removed from the source of ionization , then , if the gas loses its power of conducting electricity only on account of the recombina- tion of the ions , the rate at which the ...
... contain- ing an equal number of positive and negative ions is removed from the source of ionization , then , if the gas loses its power of conducting electricity only on account of the recombina- tion of the ions , the rate at which the ...
Pagina 19
... contain 6 · 96 × 1019 molecules , and therefore 1.39 x 1020 atoms . Now these atoms carry 1 electromagnetic unit of electricity , which is equivalent to 3 × 1010 electrostatic units . Hence each atom of hydrogen carries electrostatic ...
... contain 6 · 96 × 1019 molecules , and therefore 1.39 x 1020 atoms . Now these atoms carry 1 electromagnetic unit of electricity , which is equivalent to 3 × 1010 electrostatic units . Hence each atom of hydrogen carries electrostatic ...
Pagina 21
... contained in the cloud , it is a matter merely of calculation to deter- mine the number of drops constituting the cloud . Now it has long since been shown by Stokes that if a small sphere of density Po fall through a viscous fluid of ...
... contained in the cloud , it is a matter merely of calculation to deter- mine the number of drops constituting the cloud . Now it has long since been shown by Stokes that if a small sphere of density Po fall through a viscous fluid of ...
Pagina 23
... contained in a glass vessel which can be evacuated by means of a pump , the character of the discharge gradually changes as the pressure of the gas is reduced . When the vacuum is sufficiently high , a faint stream of light is seen ...
... contained in a glass vessel which can be evacuated by means of a pump , the character of the discharge gradually changes as the pressure of the gas is reduced . When the vacuum is sufficiently high , a faint stream of light is seen ...
Pagina 50
... contain these two elements . Madame Curie first showed that the relative radio- activities of uranium compounds could be satisfactorily measured by the ionization pro- duced in the air ... contained by it 50 THE RADIOACTIVE SUBSTANCES.
... contain these two elements . Madame Curie first showed that the relative radio- activities of uranium compounds could be satisfactorily measured by the ionization pro- duced in the air ... contained by it 50 THE RADIOACTIVE SUBSTANCES.
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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