Nature, Količina 95Sir Norman Lockyer Macmillan Journals Limited, 1915 |
Iz vsebine knjige
Zadetki 6–10 od 99
Stran 49
... known facts in commercial history . They will be fully appreciated by a study of the following figures : - At the time of the discovery of artificial alizarin ( the dyestuff contained in madder ) in 1869 , the total production of ...
... known facts in commercial history . They will be fully appreciated by a study of the following figures : - At the time of the discovery of artificial alizarin ( the dyestuff contained in madder ) in 1869 , the total production of ...
Stran 53
... known , and existing systems of anthropometry were unsatisfactory in many respects . He had no new system to expound , but laid stress or the value of a large series of photographs taken on a definite system and illustrating as far as ...
... known , and existing systems of anthropometry were unsatisfactory in many respects . He had no new system to expound , but laid stress or the value of a large series of photographs taken on a definite system and illustrating as far as ...
Stran 55
... known rarity of the " first water , " and only four specimens were previously known to have been taken , two of which are in the British Museum and two in Germany . Besides the forms described as new species , there are a good many ...
... known rarity of the " first water , " and only four specimens were previously known to have been taken , two of which are in the British Museum and two in Germany . Besides the forms described as new species , there are a good many ...
Stran 73
... known to science . It is now shown that Morosaurus , named by the same palæontologist about a month later , is really insepar- able . It is also recalled that at first Cope believed these huge and unwieldy reptiles to be bipedal . A ...
... known to science . It is now shown that Morosaurus , named by the same palæontologist about a month later , is really insepar- able . It is also recalled that at first Cope believed these huge and unwieldy reptiles to be bipedal . A ...
Stran 81
... ( known as the " Leeds method " ) used hitherto . The paper describes the construction and use of a new bolometer , specially designed for the purposes in view , in which the radia- tion from an incandescent surface , falling on a ...
... ( known as the " Leeds method " ) used hitherto . The paper describes the construction and use of a new bolometer , specially designed for the purposes in view , in which the radia- tion from an incandescent surface , falling on a ...
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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.