Nature, Volume 99Sir Norman Lockyer Macmillan Journals Limited, 1917 |
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Página 140
... determined under vari- ous conditions . - T . W. Richards and C. Wadsworth : Part iii . Further study of the atomic weight of lead of radio - active origin . Atomic weight of four different examples of isotopic lead not hitherto tested ...
... determined under vari- ous conditions . - T . W. Richards and C. Wadsworth : Part iii . Further study of the atomic weight of lead of radio - active origin . Atomic weight of four different examples of isotopic lead not hitherto tested ...
Página 160
... determined by the method of exposure - ratios . The colours of the polar standards , brighter than the 13th magnitude , have been determined to about the same precision as was reached in the investigation of the magnitude scale , with ...
... determined by the method of exposure - ratios . The colours of the polar standards , brighter than the 13th magnitude , have been determined to about the same precision as was reached in the investigation of the magnitude scale , with ...
Página 296
... determined for each separate night's observations . A determination of the mean parallax of stars of different magnitudes has been made from these proper motions and published in the Monthly Notices of the Royal Astronomical Society ...
... determined for each separate night's observations . A determination of the mean parallax of stars of different magnitudes has been made from these proper motions and published in the Monthly Notices of the Royal Astronomical Society ...
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