Nature, 第 28 卷Sir Norman Lockyer Macmillan Journals Limited, 1883 |
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第 1 到 5 筆結果,共 84 筆
第 xi 頁
... Cause of Evident Magnetism in Iron , Steel , and other Magnetic Metals , 159 , 183 Hughes ( Prof. T. McKenny , F.R.S. ) : Flight of Crows , 29 ; Sun Pillar of April 6 , 1883. 31 Hughes ( W. R. ) , Intelligence in Animals , 31 Hull ...
... Cause of Evident Magnetism in Iron , Steel , and other Magnetic Metals , 159 , 183 Hughes ( Prof. T. McKenny , F.R.S. ) : Flight of Crows , 29 ; Sun Pillar of April 6 , 1883. 31 Hughes ( W. R. ) , Intelligence in Animals , 31 Hull ...
第 9 頁
... causes of race - colour are not so simple as Hippocrates thought when he de- scribed the nomad Scythians as burned tawny ... cause . A book has even been written by Dr. Poesche to explain thus the formation of the white race . The fair ...
... causes of race - colour are not so simple as Hippocrates thought when he de- scribed the nomad Scythians as burned tawny ... cause . A book has even been written by Dr. Poesche to explain thus the formation of the white race . The fair ...
第 28 頁
... cause , it seems evident enough that such adhesion must necessarily be detrimental to the perfect action of a ... causes of the generally recognised fact that metals , as a class , are inferior in microphonic efficiency to carbon , it is ...
... cause , it seems evident enough that such adhesion must necessarily be detrimental to the perfect action of a ... causes of the generally recognised fact that metals , as a class , are inferior in microphonic efficiency to carbon , it is ...
第 30 頁
... cause depends upon many circumstances necessary for such observations , chiefly a calm reflecting surface of water ... caused by the sun's rays passing through the thin cirri , was reflected from the surface of the water on the English ...
... cause depends upon many circumstances necessary for such observations , chiefly a calm reflecting surface of water ... caused by the sun's rays passing through the thin cirri , was reflected from the surface of the water on the English ...
第 39 頁
... cause which produces the lowering of temperature when the wind ascends has also the effect of liberating its heat ... cause of the difference in climate and flora of the two sides of the Andes , of the east and west coasts of Tierra del ...
... cause which produces the lowering of temperature when the wind ascends has also the effect of liberating its heat ... cause of the difference in climate and flora of the two sides of the Andes , of the east and west coasts of Tierra del ...
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acid Algæ animals apparatus appears April atmosphere aurora aurora borealis British Association carbon carbonic acid cause centimetres centre circuit clouds coast colocynth colour comet contains corresponding deflexion described direction distance electric electric current electromotive force exhibited expedition experiments expose expose expose fact fisheries flora Francis Galton fumarole fuze galvanometer give given gneiss Greenland heat horizon hydrogen hydrogen lines instrument interesting iron Island light lower magnetic matter means measure ment metal method metres miles molecules moon Museum nature object observations Observatory obtained operculum paper phenomena phenomenon photographs plane plants plate polarisation polarity position present probably Prof Ramses II rays regard remarkable researches Royal scientific seen Society Sodankylä solar species specimens spectrum stars sunspots surface tellurium temperature theory tion vapour vertical wire zodiacal light
熱門章節
第 25 頁 - Education as set forth in the act which established it is that of — •collecting such statistics and facts as shall show the condition and progress of •education in the several States and Territories, and of diffusing such information respecting the organization and management of schools and school systems, and methods of teaching, as shall aid the people of the United States in the establishment and maintenance of efficient school systems, and otherwise promoting — the cause of education...
第 274 頁 - To form some conception of the degree of coarse-grainedness indicated by this conclusion, imagine a rain drop, or a globe of glass as large as a pea, to be magnified up to the size of the earth, each constituent molecule being magnified in the same proportion. The magnified structure would be coarser grained than a heap of small shot, but probably less coarse grained than a heap of cricketballs.
第 288 頁 - Measures of cleanliness, taken beforehand, are of far more importance for the protection of a district against Cholera than removal or disinfection of filth after the disease has actually made its appearance.
第 82 頁 - When the condors are wheeling in a flock round and round any spot, their flight is beautiful. Except when rising from the ground, I do not recollect ever having seen one of these birds flap its wings.
第 101 頁 - But if we give up the principle in one case, if we do not admit that the variations of the primeval dog were intentionally guided in order that the greyhound, for instance, that perfect image of symmetry and...
第 115 頁 - University for at least three terms during tenure. The tenure is for three years, but may be renewed for the whole or part of a second period of three years. Any balance of the income from the Fund is to be devoted to the furtherance of original research in Biology, especially Animal Morphology, by grants for such purpose to the Balfour Student or to any other person engaged in such research.
第 45 頁 - The escape of electricity cannot be detected by the sense of smell, as can gas, but it can be detected by apparatus far more certain and delicate. Leakage not only means waste, but in the presence of moisture it means destruction of the conductor and its insulating covering, by electric action.
第 98 頁 - CONTRIBUTIONS TO THE PHYSICAL HISTORY OF THE BRITISH ISLES ; with a Dissertation on the Origin of Western Europe and of the Atlantic Ocean. With 27 Coloured Maps.
第 133 頁 - Literature and Science.'' by M. Arnold, MA 1883 "The Origin of the existing forms of Animal Life: Construction or Evolution?
第 67 頁 - The subject of the utilization of electricity for purposes of defence did, however, not receive systematic investigation in England or other countries until some years afterwards, when the great importance of submarine mines as engines of war was demonstrated by the number of ships destroyed and injured during the war in America. Twenty-five vessels belonging to the Federal navy were destroyed, and nine others injured, by the explosion of...