Nature, Količina 104Sir Norman Lockyer Macmillan Journals Limited, 1919 |
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Zadetki 1–3 od 76
Stran 121
... cent . By carrying out a re- organisation of such plants on modern scientific lines it is possible to obtain 70 per cent . efficiency , and Mr. Brownlie ' estimates that about 6,600,000 tons of coal per annum could be saved by the ...
... cent . By carrying out a re- organisation of such plants on modern scientific lines it is possible to obtain 70 per cent . efficiency , and Mr. Brownlie ' estimates that about 6,600,000 tons of coal per annum could be saved by the ...
Stran 448
... cent . of arsenic in the presence of 25 per cent . of antimony to produce slightly curved crystals , 0-5 per cent . of arsenic in the presence of 3.75 per cent . of antimony yielded curved segments in the upper layers . In an alloy con ...
... cent . of arsenic in the presence of 25 per cent . of antimony to produce slightly curved crystals , 0-5 per cent . of arsenic in the presence of 3.75 per cent . of antimony yielded curved segments in the upper layers . In an alloy con ...
Stran
... cent . where the Chromium content is as high as 20 per cent . of the sample . When the Cr content is from o 20 per cent . to 3 per cent . of the sample , an accuracy of o'o per cent . is easily obtainable ; and for small amounts of Cr ...
... cent . where the Chromium content is as high as 20 per cent . of the sample . When the Cr content is from o 20 per cent . to 3 per cent . of the sample , an accuracy of o'o per cent . is easily obtainable ; and for small amounts of Cr ...
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