The Radioactive Substances: Their Properties and BehaviourK. Paul, Trench, Trübner & Company, Limited, 1908 - 301 pagini |
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Pagina 4
... detect , passing through the air , currents which are so large that they can be measured by means of a fairly sensitive galvanometer . As a further example of a similar effect on the conducting power of gases may be mentioned the action ...
... detect , passing through the air , currents which are so large that they can be measured by means of a fairly sensitive galvanometer . As a further example of a similar effect on the conducting power of gases may be mentioned the action ...
Pagina 5
... detection by the eye . Such light , which is known as ultra - violet radiation , when it impinges on certain metallic plates causes the air in the neighbourhood of the plates to conduct electricity to a marked extent . The properties ...
... detection by the eye . Such light , which is known as ultra - violet radiation , when it impinges on certain metallic plates causes the air in the neighbourhood of the plates to conduct electricity to a marked extent . The properties ...
Pagina 29
... detected outside . Thus when a piece of very thin aluminium was cemented over a hole in the discharge tube and the cathode rays allowed to fall upon it , radiations passed through the aluminium , which exhibited all the properties of ...
... detected outside . Thus when a piece of very thin aluminium was cemented over a hole in the discharge tube and the cathode rays allowed to fall upon it , radiations passed through the aluminium , which exhibited all the properties of ...
Pagina 30
... detected outside an ordinary discharge tube in which the vacuum is sufficiently high , proceeding from the region of the glass upon which the cathode rays strike , for they possess the property of affecting a photographic plate ...
... detected outside an ordinary discharge tube in which the vacuum is sufficiently high , proceeding from the region of the glass upon which the cathode rays strike , for they possess the property of affecting a photographic plate ...
Pagina 32
... detecting the rays but also for studying their relative transparency to differ- ent substances . For if different obstacles are interposed between the source of the radiation and the screen , those portions of the latter which are ...
... detecting the rays but also for studying their relative transparency to differ- ent substances . For if different obstacles are interposed between the source of the radiation and the screen , those portions of the latter which are ...
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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