Nature, Količina 104Sir Norman Lockyer Macmillan Journals Limited, 1919 |
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Zadetki 1–3 od 80
Stran 106
... mineral veins , came into existence at considerably less depths , and at more moderate temperatures . It is true that most of the rock - forming minerals crystallise from their own melts at tem- peratures between 1100 ° C. and 1550 ° C ...
... mineral veins , came into existence at considerably less depths , and at more moderate temperatures . It is true that most of the rock - forming minerals crystallise from their own melts at tem- peratures between 1100 ° C. and 1550 ° C ...
Stran 109
... mineral veins , came into existence at considerably less depths , and at more moderate temperatures . It is true that most of the rock - forming minerals crystallise from their own melts at tem- peratures between 1100 ° C. and 1550 ° C ...
... mineral veins , came into existence at considerably less depths , and at more moderate temperatures . It is true that most of the rock - forming minerals crystallise from their own melts at tem- peratures between 1100 ° C. and 1550 ° C ...
Stran 171
... mineral wealth of this region is concerned . The author gives a long list of the various mineral substances of economic value known to occur therein , although relatively few have been worked on an industrial scale . an annual The ...
... mineral wealth of this region is concerned . The author gives a long list of the various mineral substances of economic value known to occur therein , although relatively few have been worked on an industrial scale . an annual The ...
Vsebina
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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æther appears application appointed atomic weights birds body botany Bournemouth British Association Cambridge catalysis cent chemical chemistry chemists College colour comet Committee Council Department direction discovery economic edition Editor effect electric electrons elements energy engineering existence experiments fact fifty geological give given guanidin helium illustrated important increased industry Institute interest investigation J. J. Thomson James Watt journal jubilee knowledge laboratory large number lectures London Lord Rayleigh mathematical matter means meeting ment method mineral Museum National Physical Laboratory NATURE observations obtained October organisation paper period physical plants position possible practical present President problems production Prof progress published radiation radium recent recognised record regard Robert Hadfield Royal Society scientific workers South species technical telegony telegraphy temperature theory tical tion University W. H. Bragg wireless X-rays