Nature, Volume 103Sir Norman Lockyer Macmillan Journals Limited, 1919 |
No interior do livro
Resultados 1-3 de 80
Página 26
... less than a half - million light - years . " Average stellar velocities appear to be less than 10-4 times the velocity of light . Accordingly , a single oscillation - period of a star , or of a group of stars , in the galactic system is ...
... less than a half - million light - years . " Average stellar velocities appear to be less than 10-4 times the velocity of light . Accordingly , a single oscillation - period of a star , or of a group of stars , in the galactic system is ...
Página 94
... less than the other , it must occupy less space , supposing that it has the same density ; or else it must have less density , supposing that it should Occupy the same space . The identity of the chemical behaviour of the two types of ...
... less than the other , it must occupy less space , supposing that it has the same density ; or else it must have less density , supposing that it should Occupy the same space . The identity of the chemical behaviour of the two types of ...
Página 315
... less scientific one of subsidence : If screening is to retain any pretensions to accuracy , it can- not be carried out with sieves of less than 0-25 mm . aperture . On the other hand , elutriation of material more than 0-4 mm . in ...
... less scientific one of subsidence : If screening is to retain any pretensions to accuracy , it can- not be carried out with sieves of less than 0-25 mm . aperture . On the other hand , elutriation of material more than 0-4 mm . in ...
Outras edições - Ver tudo
Palavras e frases frequentes
acid aeroplane Agriculture airship apparatus appears application appointed April Astronomical atomic weight British cent chemical chemistry chemists cholera College colour Committee Council dealing Department direction edition electrical engineering experiments fact favourable German given gives glass Government Hardstoft important India industry instruments interest investigation J. J. Thomson June laboratory larvæ lecture light London London plane Lord Rayleigh magnetic manufacture March means measure ment Meteorological method Museum National National Physical Laboratory NATURE observations Observatory obtained Office optical organisation paper physical plaice plant possible practical present president problems production Prof published radiation radio-active recent records refractive index Robert Hadfield ROVAL ROYAL INSTITUTION Royal Society schools scientific species stars stations technical temperature theory tion University various W. H. Bragg weather wireless