Nature, Volume 104Sir Norman Lockyer Macmillan Journals Limited, 1919 |
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Página 226
... advance which were opened up by the discovery of X - rays , and have revolutionised our ideas of the nature of electricity and the constitution of matter . On Following Röntgen's discovery , attention was concentrated on two aspects of ...
... advance which were opened up by the discovery of X - rays , and have revolutionised our ideas of the nature of electricity and the constitution of matter . On Following Röntgen's discovery , attention was concentrated on two aspects of ...
Página 283
... advance of knowledge , and those who are engaged in research are fortunate in being always able to look with confidence to NATURE to keep them well - informed as to the latest developments in their own and other branches of science . By ...
... advance of knowledge , and those who are engaged in research are fortunate in being always able to look with confidence to NATURE to keep them well - informed as to the latest developments in their own and other branches of science . By ...
Página 552
... advance in resolving power at all , but most decidedly the reverse . It is highly valuable for the detection of very minute particles and of their move . ments , which it achieves simply by intense dark- ground illumination , but the ...
... advance in resolving power at all , but most decidedly the reverse . It is highly valuable for the detection of very minute particles and of their move . ments , which it achieves simply by intense dark- ground illumination , but the ...
Índice
Crabtree J H British Ferns and how to Identify | xvi |
Crawford H S The Mural Paintings and Inscriptions | xxxiii |
The Direct Determination Kew Observatory 120 The Magnetic Storm of August | xxxv |
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