Chemical News and Journal of Industrial Science, Tomy 105-106Chemical news office., 1912 |
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Strona 2
... Radium , " Proc . Roy . Soc . , 1903 , vol . lxxii . , p . 295 ) For easy comparison I give in a tabular form the wave - lengths of these lines measured by different observers : - Hartley ( 1883 ) . Rowland ( 1893 ) Eder and Valenta ...
... Radium , " Proc . Roy . Soc . , 1903 , vol . lxxii . , p . 295 ) For easy comparison I give in a tabular form the wave - lengths of these lines measured by different observers : - Hartley ( 1883 ) . Rowland ( 1893 ) Eder and Valenta ...
Strona 12
... Radium Family . - J . Danysz . - The author has already shown that from a tube containing radium emanation at least seven bundles of B - rays escape , of dif- ferent and perfectly definite velocities . He has now measured these ...
... Radium Family . - J . Danysz . - The author has already shown that from a tube containing radium emanation at least seven bundles of B - rays escape , of dif- ferent and perfectly definite velocities . He has now measured these ...
Strona 19
... radium . 99 In what form does the 67,300 calories of energy possessed by the 34'78 cc . of hydrogen and oxygen at -273 ° C. exist ? The answer to the question , " What is energy ? and " What is matter ? " must both be given before any ...
... radium . 99 In what form does the 67,300 calories of energy possessed by the 34'78 cc . of hydrogen and oxygen at -273 ° C. exist ? The answer to the question , " What is energy ? and " What is matter ? " must both be given before any ...
Strona 23
... radium by different thicknesses of aluminium . The second portion was a comparison of the ionisation produced by X - rays from an ordinary focus - tube , and that caused by the y - rays from a measured quantity of radium , and the third ...
... radium by different thicknesses of aluminium . The second portion was a comparison of the ionisation produced by X - rays from an ordinary focus - tube , and that caused by the y - rays from a measured quantity of radium , and the third ...
Strona 48
... Radium and other Rays , " and on February 9th , by Dr. J. A. Harker , on Very High Temperatures . " on 66 Institute of Chemistry . - Past List , January Examinations , 1912. - Of twelve Candidates who pre- sented themselves for the ...
... Radium and other Rays , " and on February 9th , by Dr. J. A. Harker , on Very High Temperatures . " on 66 Institute of Chemistry . - Past List , January Examinations , 1912. - Of twelve Candidates who pre- sented themselves for the ...
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