Nature, Volume 100Sir Norman Lockyer Macmillan Journals Limited, 1917 |
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Página 32
... lines found for each element . In the cases of manganese and platinum the whole of the lines are new . vacuum arc spectra of bismuth , antimony , and thal- lium gave several new lines in the same region . The IN a paper read before the ...
... lines found for each element . In the cases of manganese and platinum the whole of the lines are new . vacuum arc spectra of bismuth , antimony , and thal- lium gave several new lines in the same region . The IN a paper read before the ...
Página 394
... lines have been respectively identified with those of europium and terbium . Many of the lines not definitely recognised as being of variable intensity have further been found to agree with the stronger lines of yttrium , lanthanum ...
... lines have been respectively identified with those of europium and terbium . Many of the lines not definitely recognised as being of variable intensity have further been found to agree with the stronger lines of yttrium , lanthanum ...
Página 474
... LINES . ON account of its great intensity and the convenient distribution of the lines , the spectrum of helium furnishes a valuable source of standard wave - lengths in spectroscopic and optical work . A new series of determinations of ...
... LINES . ON account of its great intensity and the convenient distribution of the lines , the spectrum of helium furnishes a valuable source of standard wave - lengths in spectroscopic and optical work . A new series of determinations of ...
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