Nature, Volume 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
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Página 496
... various sets of planes . If we use the same crystal always , but vary the source of X - rays we can analyse the latter , measuring the relative wave - lengths of the various constituents of the radiation . We have thus acquired a double ...
... various sets of planes . If we use the same crystal always , but vary the source of X - rays we can analyse the latter , measuring the relative wave - lengths of the various constituents of the radiation . We have thus acquired a double ...
Página 499
... various stages of growth up to 4 or 5 in . long . It was suggested that these might represent a mode of reproduction not hitherto recognised in Sargassum . - G . C. Robson : Lo Bianco's work on the periods of sexual activity in marine ...
... various stages of growth up to 4 or 5 in . long . It was suggested that these might represent a mode of reproduction not hitherto recognised in Sargassum . - G . C. Robson : Lo Bianco's work on the periods of sexual activity in marine ...
Página 609
... various native - prepared rubbers ; also opinions have gradually crystallised with re- gard to the best methods of tapping Hevea , the different requirements for Manihot , the African rubber tree , Funtumia elastica , and other trees ...
... various native - prepared rubbers ; also opinions have gradually crystallised with re- gard to the best methods of tapping Hevea , the different requirements for Manihot , the African rubber tree , Funtumia elastica , and other trees ...
Índice
Appleyard Direct Measurement of the Napierian Base 231 | 24 |
Archbold T R Device for filling Ore Sacks | 50 |
Physics 428 | 127 |
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absolute magnitude acid æther appears April Astronomical atomic atomic weight balloon brightness British cent chemical chemistry College colour committee contains density described discussion edition effect electric electrons Engineering expedition experiments fact Funafuti Geological giant stars given gives heat Hermann et Fils illustrated important increase industry interesting investigation J. J. Thomson laboratory large number larvæ lectures lines London magnetic magnitude March matter means measures ment metals Meteorological method 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 rocks ROYAL INSTITUTION Royal Society schools scientific sodium amide solar species spectra spectral classes spectrum stars of Class surface temperature theory tion tube University velocity volume W. H. Bragg