Nature, Količina 95Sir Norman Lockyer Macmillan Journals Limited, 1915 |
Iz vsebine knjige
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Stran 8
... cent , i.e. about 20 per cent . at 100 ° C. The vapour pressure of radium D the atomic 360 weight of which is 210 should be about e T times less than that of ordinary lead , that is , 2-6 times less at 100 ° C. Another posible test ...
... cent , i.e. about 20 per cent . at 100 ° C. The vapour pressure of radium D the atomic 360 weight of which is 210 should be about e T times less than that of ordinary lead , that is , 2-6 times less at 100 ° C. Another posible test ...
Stran 16
... cent . of the weight of the engine and tender is carried on the driving wheels . The boiler is 8 ft . diameter at the smoke - box and 9 ft . diameter at the dome . A Schmidt superheater having 1584 sq . ft . of surface is fitted , and ...
... cent . of the weight of the engine and tender is carried on the driving wheels . The boiler is 8 ft . diameter at the smoke - box and 9 ft . diameter at the dome . A Schmidt superheater having 1584 sq . ft . of surface is fitted , and ...
Stran 25
... cent . of the weight of the muscle . The specific gravity falls correspondingly . This pheno- menon may be noticed from fifteen minutes after the stimulation ceases to six hours . After sixteen hours the cedema has passed off . Physical ...
... cent . of the weight of the muscle . The specific gravity falls correspondingly . This pheno- menon may be noticed from fifteen minutes after the stimulation ceases to six hours . After sixteen hours the cedema has passed off . Physical ...
Stran 45
... cent . of the average . In Ireland the rainfall was 152 per cent . of the average , and in Scotland 131 per cent . The greatest excess of rain occurred in the south - east of England , where the measurement , 17.19 in . , was 248 per cent ...
... cent . of the average . In Ireland the rainfall was 152 per cent . of the average , and in Scotland 131 per cent . The greatest excess of rain occurred in the south - east of England , where the measurement , 17.19 in . , was 248 per cent ...
Stran 49
... cent . Much inconvenience has been experienced also in the shortage of artificial drugs and consequent high prices , more especially at the beginning of the war , as even the simplest of these products were almost exclusively made in ...
... cent . Much inconvenience has been experienced also in the shortage of artificial drugs and consequent high prices , more especially at the beginning of the war , as even the simplest of these products were almost exclusively made in ...
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Pogosti izrazi in povedi
acid antiseptic appears applied April Astronomical atoms British British Museum carbon cent chemical chemistry chemists College colour comet committee contains deals described direction disease edition effect electric electron engineering experiments fact geological German given gives glass Government gyrostat heat heliometer helium hydrogen illustrated important industry insects INSTITUTION interesting investigation J. J. Thomson laboratory large number larvæ lectures lines London manufacture March measured ment method Museum National Physical Laboratory Natural History observations Observatory obtained okapi optical organisation ossicone paper parallax photographs physical plants plates practical present pressure Price problem produced Prof proper motions published radiation radio-active radium recent reference regard Royal Society School scientific species specimens spectra spectrum stars surface temperature theory tion tube University vapour various volume W. H. Bragg W. H. Perkin
Priljubljeni odlomki
Stran 220 - that the objects of the corporation shall be to encourage, in the broadest and most liberal manner, investigation, research, and discovery, and the application of knowledge to the improvement of mankind,
Stran 164 - the two systems, as thus stated, do not appear to be great, but they are important. " The little more, and how much it is ! and the little less and how far away
Stran 310 - With my pencil I made a rough sketch of the cone and pine I wanted and showed him it, when he instantly pointed to the hills about fifteen or twenty miles to the south. As I wanted to go in that direction he, seemingly with much good will, went with me. At midday I reached my long-wished
Stran 85 - science of behavior ') and never go back upon the definition ; never to use the terms consciousness, mental states, mind, content, will, imagery, and the like. ... It can be done in terms of stimulus and response, in terms of habit formation, habit integration, and the like.
Stran 138 - of technical and scientific investigation and experimentation through the agency of the Smithsonian Institution and such other scientific and educational institutions and societies as may be selected by the directors. The Smithsonian Institution is interested in the management of this corporation through the membership of the secretary in its board of directors.
Stran 136 - to be known as the Langley Aerodynamical Laboratory. The functions of the laboratory were defined to be the study of the problems of aerodromics, particularly those of aerodynamics, with such research and experimentation as may be necessary to increase the safety and effectiveness of aerial locomotion for the purposes of commerce, national
Stran 138 - behalf of the institution indicate, he says, " that there exist to-day over large parts of eastern Siberia and in Mongolia, Tibet, and other regions in that part of the world numerous remains which now form constituent parts of more modern tribes or nations, of a more ancient population (related in origin, perhaps, with the latest
Stran 355 - Stagnant air at the same temperature as fresh air, even when it contains twenty or more parts of carbon dioxide, and all the organic and other substances in the breathed air of occupied rooms, has, so far, shown no effect on any of the physiological
Stran 97 - makes up for its lack relatively to Africa and India of large man-eating Carnivora by the extraordinary ferocity or blood-thirstiness of certain small creatures of which the kinsfolk elsewhere are harmless. It is only here that fish no bigger than trout kill swimmers, and bats the size of the ordinary
Stran 85 - Psychology has failed signally during the fifty odd years of its existence as an experimental discipline to make its place in the world as an undisputed natural science.