Nature, Količina 108Sir Norman Lockyer Macmillan Journals Limited, 1921 |
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Zadetki 1–3 od 85
Stran 174
... Light . By Prof. E. N. Harvey . ( Monographs on Experimental Bio- logy . ) Pp . x + 182 . ( Philadelphia and Lon- don : J. B. Lippincott Co. , 1920. ) 10s . 6d . net . IOLUMINESCENCE - that is , the production of light by animals and ...
... Light . By Prof. E. N. Harvey . ( Monographs on Experimental Bio- logy . ) Pp . x + 182 . ( Philadelphia and Lon- don : J. B. Lippincott Co. , 1920. ) 10s . 6d . net . IOLUMINESCENCE - that is , the production of light by animals and ...
Stran 276
... light fluctuations of intensity which correspond to the sound - vibra- tions associated with speech ; for purposes of re- production the light is allowed to fall upon a selenium 1 cell , which , by its well - known photo- electric ...
... light fluctuations of intensity which correspond to the sound - vibra- tions associated with speech ; for purposes of re- production the light is allowed to fall upon a selenium 1 cell , which , by its well - known photo- electric ...
Stran 367
... light on a clear day in certain directions is itself strongly polarised , and an observer standing with his back to the sun when it is fairly high up and viewing the sea will find the light reflected at all incidences sufficiently well ...
... light on a clear day in certain directions is itself strongly polarised , and an observer standing with his back to the sun when it is fairly high up and viewing the sea will find the light reflected at all incidences sufficiently well ...
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BarrettHamilton and M A C Hinton | 21 |
42s | 266 |
ROYAL AERONAUTICAL SOCIETY at Royal Society of Arts at 5 30 | 296 |
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acid æther Agriculture airship animals appears application Astronomical atomic weight British Association C. V. Raman Cambridge cent characters chemical chemistry chemists College colour Committee course discussion Edinburgh effect electric electrons energy engineering existence expedition experiments fact factors geography Geological give given hermaphroditism important India industry Institute interest investigation J. J. Thomson laboratory lecture light London Lord Rayleigh magnetic material mathematical matter ment metal Meteorological method molecule Mount Everest Museum NATURE November observations Observatory obtained October October 20 Ophion optical organisation organism original paper parallax period photographs physical plants plates possible practical present problems produced Prof published radiation radio-active rainfall recent regarded ROYAL HORTICULTURAL SOCIETY Royal Society scientific Section September soil species Spitsbergen stars suggested temperature theory thermionic emission tion University various volume