The Radioactive Substances: Their Properties and BehaviourK. Paul, Trench, Trübner & Company, Limited, 1908 - 301 pagini |
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Pagina viii
... AMOUNT OF ACTIVE DEPOSIT ON CHARGED WIRE IN AIR AT ATMOSPHERIC PRESSURE · · • 181 185 . 27 . VARIATION WITH POTENTIAL OF AMOUNT OF ACTIVE DEPOSIT ON CHARGED WIRE IN AIR AT PRESSURE OF 1 CM . OF MERCURY · • 187 • 28 . DECAY OF ACTIVE ...
... AMOUNT OF ACTIVE DEPOSIT ON CHARGED WIRE IN AIR AT ATMOSPHERIC PRESSURE · · • 181 185 . 27 . VARIATION WITH POTENTIAL OF AMOUNT OF ACTIVE DEPOSIT ON CHARGED WIRE IN AIR AT PRESSURE OF 1 CM . OF MERCURY · • 187 • 28 . DECAY OF ACTIVE ...
Pagina 18
... liberate 1 gramme of hydrogen at normal tem- perature and pressure , and this amount of gas occupies 11.2 litres . Hence 1 electro- magnetic unit liberates 1.16 c.c. hydrogen at normal temperature and 18 THE RADIOACTIVE SUBSTANCES.
... liberate 1 gramme of hydrogen at normal tem- perature and pressure , and this amount of gas occupies 11.2 litres . Hence 1 electro- magnetic unit liberates 1.16 c.c. hydrogen at normal temperature and 18 THE RADIOACTIVE SUBSTANCES.
Pagina 44
... amount of their divergence gives a measure of the potential of the leaves . In many electroscopes , however , the pair of leaves is replaced by a single leaf and a small rigid plate of metal , and the deflection of the leaf from the ...
... amount of their divergence gives a measure of the potential of the leaves . In many electroscopes , however , the pair of leaves is replaced by a single leaf and a small rigid plate of metal , and the deflection of the leaf from the ...
Pagina 50
... , the activity of the compound used being in general 1 G. A. Blanc , Rendiconti della R. Acad . dei Lincei , XV , March and April 1906 . greater the greater the amount of uranium contained by it 50 THE RADIOACTIVE SUBSTANCES.
... , the activity of the compound used being in general 1 G. A. Blanc , Rendiconti della R. Acad . dei Lincei , XV , March and April 1906 . greater the greater the amount of uranium contained by it 50 THE RADIOACTIVE SUBSTANCES.
Pagina 51
Their Properties and Behaviour Walter Makower. greater the greater the amount of uranium contained by it . The results obtained with thorium com- pounds were less consistent , especially when thick layers were used and the activities de ...
Their Properties and Behaviour Walter Makower. greater the greater the amount of uranium contained by it . The results obtained with thorium com- pounds were less consistent , especially when thick layers were used and the activities de ...
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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