Nature, Volume 100Sir Norman Lockyer Macmillan Journals Limited, 1917 |
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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 458
... lines are consistently represented in the solar spectrum and account for about 140 faint lines which were previously unidentified . The remaining band lines are either too weak to appear in the sun or are obscured by lines of metallic ...
... lines are consistently represented in the solar spectrum and account for about 140 faint lines which were previously unidentified . The remaining band lines are either too weak to appear in the sun or are obscured by lines of metallic ...
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 ...
Índice
Wolfs Comet 332 Radial Velocities of Star Clusters Takamine T and S Nitta Measurements in the Ultra | 32 |
Smith B The Chellaston Gypsumbreccia etc 379 Imaginary Quantities | 52 |
Smith Miss E Etched Crystals of Gypsum 218 Tanner Dr J R The Historical Register of the Uni | 173 |
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