Nature, Volume 103Sir Norman Lockyer Macmillan Journals Limited, 1919 |
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Página 77
... lead , " although it describes the fact , is from a theoretical point of view perhaps not the best designation of either uranium- or thoriumi - lead ; but the term is convenient , because it dis- tinguishes between these two forms and ...
... lead , " although it describes the fact , is from a theoretical point of view perhaps not the best designation of either uranium- or thoriumi - lead ; but the term is convenient , because it dis- tinguishes between these two forms and ...
Página 94
Sir Norman Lockyer. of lead , so that there could be no question as to lack of identity of methods or precautions . Before leaving the subject of the relative atomic weights of these two types of lead , it is not without interest to note ...
Sir Norman Lockyer. of lead , so that there could be no question as to lack of identity of methods or precautions . Before leaving the subject of the relative atomic weights of these two types of lead , it is not without interest to note ...
Página 95
... lead . In fact , wires made of radio - active lead and ordinary lead tested in the Gibbs laboratory gave no measurable thermo - electric effect , the wires acting as if they were made of the same identical substance , although the ...
... lead . In fact , wires made of radio - active lead and ordinary lead tested in the Gibbs laboratory gave no measurable thermo - electric effect , the wires acting as if they were made of the same identical substance , although the ...
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