Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 84American Philosophical Society, 1941 |
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Сторінка 3
... possible atomic spectra of hydrogen , helium , carbon , nitrogen , and oxygen , all available spectra of iron , the spectrum of neutral sodium and of once ionized calcium have been used in the synthesis . This list includes all the ...
... possible atomic spectra of hydrogen , helium , carbon , nitrogen , and oxygen , all available spectra of iron , the spectrum of neutral sodium and of once ionized calcium have been used in the synthesis . This list includes all the ...
Сторінка 223
... possible data . In spite of the impossibility of having the observations near the end of the period , an effort is made to approximate this , especially by making observations right through the course of the year for which the chart is ...
... possible data . In spite of the impossibility of having the observations near the end of the period , an effort is made to approximate this , especially by making observations right through the course of the year for which the chart is ...
Сторінка 793
... possible that they were made in Palaeolithic times from raw- hide string or babiche . The situation in Asia is interesting for since the several non - contiguous appearances are found just beyond the boundaries of recorded history it is ...
... possible that they were made in Palaeolithic times from raw- hide string or babiche . The situation in Asia is interesting for since the several non - contiguous appearances are found just beyond the boundaries of recorded history it is ...
Зміст
Theoretical Synthesis of Supernova Spectra FRED | 1 |
July 30 1941 No | 5 |
Production of Secondary Electrons by Electrons of Energy | 33 |
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