The Radioactive Substances: Their Properties and BehaviourK. Paul, Trench, Trübner & Company, Limited, 1908 - 301 pagini |
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Pagina ix
... present the chief phenomena and theories relating to radio - activity in a concise and simple form . It is unnecessary to point out the difficulty of doing this in a subject in which the results of new and important in- vestigations are ...
... present the chief phenomena and theories relating to radio - activity in a concise and simple form . It is unnecessary to point out the difficulty of doing this in a subject in which the results of new and important in- vestigations are ...
Pagina 5
... present point of view . When a discharge of electricity is transmitted through a tube containing a rare- fied gas , radiations may under suitable con- ditions be obtained outside the discharge tube , which are INTRODUCTION 5.
... present point of view . When a discharge of electricity is transmitted through a tube containing a rare- fied gas , radiations may under suitable con- ditions be obtained outside the discharge tube , which are INTRODUCTION 5.
Pagina 13
... present in a gas at a time t after removing it from the ionizing agent is 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 ...
... present in a gas at a time t after removing it from the ionizing agent is 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 ...
Pagina 18
... present are removed from the gas by an electric field before they have time to recombine , the charge received by the positive plate is nq , where n is the number of negative ions present and q is the charge carried by each ion . The ...
... present are removed from the gas by an electric field before they have time to recombine , the charge received by the positive plate is nq , where n is the number of negative ions present and q is the charge carried by each ion . The ...
Pagina 22
... present , and on the assump- tion that every negative ion acts as a conden- sation nucleus we can calculate the charge carried by a single ion . The details of the calculation are somewhat complicated and need not here be considered ...
... present , and on the assump- tion that every negative ion acts as a conden- sation nucleus we can calculate the charge carried by a single ion . The details of the calculation are somewhat complicated and need not here be considered ...
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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