The Radioactive Substances: Their Properties and BehaviourK. Paul, Trench, Trübner & Company, Limited, 1908 - 301 pagini |
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Pagina 28
... existence of these minute negatively - charged particles , or , as they are often called , corpuscles , which are so much smaller than the lightest known chemical atom , is in itself of the greatest importance ; but we shall see later ...
... existence of these minute negatively - charged particles , or , as they are often called , corpuscles , which are so much smaller than the lightest known chemical atom , is in itself of the greatest importance ; but we shall see later ...
Pagina 107
... existence of a set of a rays of a definite range gives evidence of the probable existence of a definite radioactive product . The a radiations from uranium , thorium , actinium have been examined by various in- vestigators in a manner ...
... existence of a set of a rays of a definite range gives evidence of the probable existence of a definite radioactive product . The a radiations from uranium , thorium , actinium have been examined by various in- vestigators in a manner ...
Pagina 108
... existence of rays ; so that we have the important fact that a rays travelling with more than half the initial velocity of the particular rays examined could be detected by no known means . Hence there may be such a rays emitted from ...
... existence of rays ; so that we have the important fact that a rays travelling with more than half the initial velocity of the particular rays examined could be detected by no known means . Hence there may be such a rays emitted from ...
Pagina 139
... existence of an emanation from uranium , all attempts in this direction have hitherto resulted in failure . It appears , therefore , that at least three radioactive substances exhibit the power of emitting emanations , but the property ...
... existence of an emanation from uranium , all attempts in this direction have hitherto resulted in failure . It appears , therefore , that at least three radioactive substances exhibit the power of emitting emanations , but the property ...
Pagina 205
... existence of a substance radium B which possesses all the properties of a radioactive body without itself emitting any radiation . This implies that if it were possible to isolate this particular product we should be unaware of its ...
... existence of a substance radium B which possesses all the properties of a radioactive body without itself emitting any radiation . This implies that if it were possible to isolate this particular product we should be unaware of its ...
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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