The Radioactive Substances: Their Properties and BehaviourK. Paul, Trench, Trübner & Company, Limited, 1908 - 301 pagini |
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Pagina 5
... tube containing a rare- fied gas , radiations may under suitable con- ditions be obtained outside the discharge tube , which are INTRODUCTION 5.
... tube containing a rare- fied gas , radiations may under suitable con- ditions be obtained outside the discharge tube , which are INTRODUCTION 5.
Pagina 6
Their Properties and Behaviour Walter Makower. ditions be obtained outside the discharge tube , which are capable of producing con- ductivity of electricity in the gases through which they pass . Of such a nature are , for instance , the ...
Their Properties and Behaviour Walter Makower. ditions be obtained outside the discharge tube , which are capable of producing con- ductivity of electricity in the gases through which they pass . Of such a nature are , for instance , the ...
Pagina 29
... tube , since they are stopped by the glass of which the tube is made . Now it has been shown by Lenard that if the portion of the discharge tube upon which the cathode rays fall is made sufficiently thin , the rays are able to penetrate ...
... tube , since they are stopped by the glass of which the tube is made . Now it has been shown by Lenard that if the portion of the discharge tube upon which the cathode rays fall is made sufficiently thin , the rays are able to penetrate ...
Pagina 30
... tube , in addition to the cathode rays , a type of radiation which cannot be deflected by a magnetic field . These rays are known as Röntgen rays or X - rays . This was a most important discovery , and it has been since shown that such ...
... tube , in addition to the cathode rays , a type of radiation which cannot be deflected by a magnetic field . These rays are known as Röntgen rays or X - rays . This was a most important discovery , and it has been since shown that such ...
Pagina 31
... tube , pass out into the exterior . A tube suit- FIG . 2. - Röntgen Ray bulb . able for the production of the rays is shown in Fig . 2 . The cathode C is made curved so that the cathode rays converge upon the anode a , which is inclined ...
... tube , pass out into the exterior . A tube suit- FIG . 2. - Röntgen Ray bulb . able for the production of the rays is shown in Fig . 2 . The cathode C is made curved so that the cathode rays converge upon the anode a , which is inclined ...
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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