The Radioactive Substances: Their Properties and BehaviourK. Paul, Trench, Trübner & Company, Limited, 1908 - 301 pagini |
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Pagina 2
... connected with the conduction of electricity through gases . CONDUCTIVITY OF GASES IN THE NORMAL STATE It has long been known that a charged conductor suspended in air does not hold its charge for an indefinite time however great be the ...
... connected with the conduction of electricity through gases . CONDUCTIVITY OF GASES IN THE NORMAL STATE It has long been known that a charged conductor suspended in air does not hold its charge for an indefinite time however great be the ...
Pagina 35
... connected together and FIG . 4. - Quadrant electro- therefore at the same meter needle . potential . The position of ... connection with the needle and increases the electric capacity of the system . At the same time. METHODS OF MEASURING ...
... connected together and FIG . 4. - Quadrant electro- therefore at the same meter needle . potential . The position of ... connection with the needle and increases the electric capacity of the system . At the same time. METHODS OF MEASURING ...
Pagina 36
... connected by wires . When these two opposite pairs of quadrants are brought to different potentials a couple is exerted on the needle , which tends to draw it into one or other pair of quadrants . This couple is opposed by the twist on ...
... connected by wires . When these two opposite pairs of quadrants are brought to different potentials a couple is exerted on the needle , which tends to draw it into one or other pair of quadrants . This couple is opposed by the twist on ...
Pagina 40
... connected to one pair of quadrants of the electrometer , the other being connected to earth . The plate B is connected to a battery 40 THE RADIOACTIVE SUBSTANCES.
... connected to one pair of quadrants of the electrometer , the other being connected to earth . The plate B is connected to a battery 40 THE RADIOACTIVE SUBSTANCES.
Pagina 41
... connected to earth , the other pair being con- nected to earth by the key K at the beginning of the experiment . On lifting K the current flowing from B to A through the gas causes the quadrants connected with A to charge up and the ...
... connected to earth , the other pair being con- nected to earth by the key K at the beginning of the experiment . On lifting K the current flowing from B to A through the gas causes the quadrants connected with A to charge up and the ...
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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