The Radioactive Substances: Their Properties and BehaviourK. Paul, Trench, Trübner & Company, Limited, 1908 - 301 pagini |
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Pagina xi
... given in footnotes to the sources from which informa- tion has been derived , but the author has consulted the treatise of Professor Ruther- ford on Radioactivity on so many points that it is only fitting that he should here express the ...
... given in footnotes to the sources from which informa- tion has been derived , but the author has consulted the treatise of Professor Ruther- ford on Radioactivity on so many points that it is only fitting that he should here express the ...
Pagina 13
... given by the equation 1 1 = at N N after where N is the number of ions in the gas a time t ; N , the number of ions originally present in the gas ; and a is a constant known as the coefficient of recombination of the gas . Now it can be ...
... given by the equation 1 1 = at N N after where N is the number of ions in the gas a time t ; N , the number of ions originally present in the gas ; and a is a constant known as the coefficient of recombination of the gas . Now it can be ...
Pagina 21
... given by the equation u = - ρ 2 Po 9 μ ga2 where μ is the coefficient of viscosity , g the acceleration due to gravity , and a the radius of the drop . In the case under consideration of a globule of water falling through air , P. - p ...
... given by the equation u = - ρ 2 Po 9 μ ga2 where μ is the coefficient of viscosity , g the acceleration due to gravity , and a the radius of the drop . In the case under consideration of a globule of water falling through air , P. - p ...
Pagina 25
... given magnetic field can easily be calculated . For if we have a field of strength H at right angles to the direction of a current C flowing in a straight wire , then , as is well known , the force per unit length exerted on the wire is ...
... given magnetic field can easily be calculated . For if we have a field of strength H at right angles to the direction of a current C flowing in a straight wire , then , as is well known , the force per unit length exerted on the wire is ...
Pagina 35
... given out by radioactive substances . It was shown by Goldstein that if the cathode of a discharge tube in which cathode rays are being produced is perforated by a number of holes , streams of light appear to pass out in straight lines ...
... given out by radioactive substances . It was shown by Goldstein that if the cathode of a discharge tube in which cathode rays are being produced is perforated by a number of holes , streams of light appear to pass out in straight lines ...
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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