Nature, Volume 84Sir Norman Lockyer Macmillan Journals Limited, 1910 |
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Página 297
... radium ratio of 70 per cent . , and in it helium Could not be detected . The quantity was not greater than in about thirty years ! For the second , the radium ratio per gram U. This quantity would form was 44 per cent . and the helium ...
... radium ratio of 70 per cent . , and in it helium Could not be detected . The quantity was not greater than in about thirty years ! For the second , the radium ratio per gram U. This quantity would form was 44 per cent . and the helium ...
Página 431
... radium C consists of several products these could be named radium C1 , radium C. , radium C ,, & c . , but the term radium C would be used generally to represent the group of products as they normally always occur together . Reference ...
... radium C consists of several products these could be named radium C1 , radium C. , radium C ,, & c . , but the term radium C would be used generally to represent the group of products as they normally always occur together . Reference ...
Página xxxiv
... Radium at its Minimum Activity , Léon Kolowat , 356 ; an Attempt to Determine the Supposed Change in Weight Accompanying the Radio - active Dis- integration of Radium , Dr. Bertram D. Steele , 428 ; Radium Standards and Nomenclature ...
... Radium at its Minimum Activity , Léon Kolowat , 356 ; an Attempt to Determine the Supposed Change in Weight Accompanying the Radio - active Dis- integration of Radium , Dr. Bertram D. Steele , 428 ; Radium Standards and Nomenclature ...
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