Nature, Volume 92Sir Norman Lockyer Macmillan Journals Limited, 1913 |
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Página 450
... Light at the Confines of a Diffusing Medium . I SUPPOSE that everyone is familiar with the beau- tifully graded illumination of a paraffin candle , extend- ing downwards from the flame to a distance of several inches . The thing is seen ...
... Light at the Confines of a Diffusing Medium . I SUPPOSE that everyone is familiar with the beau- tifully graded illumination of a paraffin candle , extend- ing downwards from the flame to a distance of several inches . The thing is seen ...
Página 690
... light waves known . They have , like ordinary light , a wave - length , or rather a range of wave - lengths , and the energy of every X - ray wave is proportional to its frequency , since the thinner and " harder pulses have the smaller ...
... light waves known . They have , like ordinary light , a wave - length , or rather a range of wave - lengths , and the energy of every X - ray wave is proportional to its frequency , since the thinner and " harder pulses have the smaller ...
Página 726
... light ( whether vertically or horizontally ) these authors find that Daphnia remains evenly distributed under the influence of a medium light - intensity , but that it moves away from the source of light if the brightness of this is ...
... light ( whether vertically or horizontally ) these authors find that Daphnia remains evenly distributed under the influence of a medium light - intensity , but that it moves away from the source of light if the brightness of this is ...
Índice
Hurry Dr J B Ideals and Organisation of a Medical | 13 |
Hurst Major C C Genetics 490 | 63 |
Shipley Dr A E Guy A K Marshall Fauna of British Sullivan M X and F R Reid Soil Catalysis 560 | 85 |
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