The Radioactive Substances: Their Properties and BehaviourK. Paul, Trench, Trübner & Company, Limited, 1908 - 301 pagini |
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Pagina 1
... appear at first sight , they are in many ways the most fundamental of all electrical phenomena . Re- searches of recent years have amply justified this belief , and have thrown light not only upon the nature of electricity but also upon ...
... appear at first sight , they are in many ways the most fundamental of all electrical phenomena . Re- searches of recent years have amply justified this belief , and have thrown light not only upon the nature of electricity but also upon ...
Pagina 6
... appear to continually emit radiations capable of rendering gases in their neighbourhood conductors . The pro- perties and nature of these radiations will also be fully described later , but it will first be necessary for the better ...
... appear to continually emit radiations capable of rendering gases in their neighbourhood conductors . The pro- perties and nature of these radiations will also be fully described later , but it will first be necessary for the better ...
Pagina 7
... appear that the con- ductivity of the gas is due to the presence in it of certain material particles which can be removed by mechanical means , and further , that these particles are charged with elec- tricity since they are removed by ...
... appear that the con- ductivity of the gas is due to the presence in it of certain material particles which can be removed by mechanical means , and further , that these particles are charged with elec- tricity since they are removed by ...
Pagina 14
... appears to decrease as the pressure is reduced . McClung has shown that the value of a increases in a somewhat complicated manner as the temperature of the gas is raised . MOBILITY OF THE IONS The current through a gas is carried by ...
... appears to decrease as the pressure is reduced . McClung has shown that the value of a increases in a somewhat complicated manner as the temperature of the gas is raised . MOBILITY OF THE IONS The current through a gas is carried by ...
Pagina 17
... quickly . In damp air the nega- tive ions appear to move more slowly than in dry air , but the velocity of the positive ions is almost unaffected by the presence of mois- C ture . This is a matter of some importance , INTRODUCTION 17.
... quickly . In damp air the nega- tive ions appear to move more slowly than in dry air , but the velocity of the positive ions is almost unaffected by the presence of mois- C ture . This is a matter of some importance , INTRODUCTION 17.
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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