Nature, Količina 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
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Zadetki 1–3 od 79
Stran 1
... atomic weight ; on the assumption that when a radio - active element loses an atom of helium , weighing 4 , it joins a group of inseparable elements . Thus , to take an example : -Radium F , of atomic weight 210 , in losing an atom of ...
... atomic weight ; on the assumption that when a radio - active element loses an atom of helium , weighing 4 , it joins a group of inseparable elements . Thus , to take an example : -Radium F , of atomic weight 210 , in losing an atom of ...
Stran 241
... atoms more complex than hydrogen and helium - or give up van den Broek's hypothesis , that the charge of the nucleus of Rutherford's atom is equal to the atomic number ( which hypothesis was accepted by Bohr as one of his fundamental ...
... atoms more complex than hydrogen and helium - or give up van den Broek's hypothesis , that the charge of the nucleus of Rutherford's atom is equal to the atomic number ( which hypothesis was accepted by Bohr as one of his fundamental ...
Stran 497
... atom to atom of the series in the periodic table implies that some fundamental element of atomic structure is altering by equal steps . There -s excellent reason to believe that the change consists in successive additions of the unit ...
... atom to atom of the series in the periodic table implies that some fundamental element of atomic structure is altering by equal steps . There -s excellent reason to believe that the change consists in successive additions of the unit ...
Vsebina
GEOLOGICAL SOCIETY at 8 An Apparently Paleolithic Drawing on | 36 |
Note on a Functional Equation | 51 |
RadioActive Elements and the Periodic Table | 121 |
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absolute magnitudes acid æther appears April atomic atomic weight balloon British cent chemical chemistry classes College colour committee contains density described direction discussion edition effect electric electrons Engineering experiments fact Funafuti Geological giant stars given gives Hermann et Fils illustrated important increase industry Institute interesting investigation J. J. Thomson laboratory large number larvæ lectures lines London magnetic magnitude March matter means measures ment metals Meteorological method metric system mineral motion Museum National Physical Laboratory NATURE observations Observatory obtained origin paper parallax period photographs physical plants plates present Price problems produced Prof published radiation radium recent region rocks Royal Society schools scientific solar species spectra spectral classes spectrum stars surface temperature theory tion tube University various velocity volume W. H. Bragg