Science and Life: Aberdeen AddressesJ. Murray, 1920 - 229 páginas |
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Página 10
... animals , and animals on plants . The plants feed on the carbon - dioxide and other products of the animal metabolism , reconverting them into food . The net result is nil , or nearly so , as far as the material changes are concerned ...
... animals , and animals on plants . The plants feed on the carbon - dioxide and other products of the animal metabolism , reconverting them into food . The net result is nil , or nearly so , as far as the material changes are concerned ...
Página 11
... animal , can utilise it in this form for its life's work . Scientifically there is nothing peculiar about vital ... animals lived . Mankind still lives solely on the energy derived from the sun , but in addition to his former income ...
... animal , can utilise it in this form for its life's work . Scientifically there is nothing peculiar about vital ... animals lived . Mankind still lives solely on the energy derived from the sun , but in addition to his former income ...
Página 22
... animal labour . The Ship of Life would have drawn out for ever from the shallows and backwaters wherein it took its origin , and , fairly launched on the primal tide , thę flood would bear it far . The story of the struggle for ...
... animal labour . The Ship of Life would have drawn out for ever from the shallows and backwaters wherein it took its origin , and , fairly launched on the primal tide , thę flood would bear it far . The story of the struggle for ...
Página 26
... animal or of a mass of dead matter in motion . This theory of energy , or doctrine of work - work in the strictly physical sense , not , for example , brain work or artistic work - is of vital importance in fields very remote from ...
... animal or of a mass of dead matter in motion . This theory of energy , or doctrine of work - work in the strictly physical sense , not , for example , brain work or artistic work - is of vital importance in fields very remote from ...
Página 29
... animal labour . Whether at the docks or on ships or trains or cars , some animal - man , horse , mule or ox - has F been emancipated and his place taken by his tireless competitor.
... animal labour . Whether at the docks or on ships or trains or cars , some animal - man , horse , mule or ox - has F been emancipated and his place taken by his tireless competitor.
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Términos y frases comunes
a-particle actinium active ancient animal atomic number atomic weight B-ray bismuth branch British Science Guild Carnegie Trust cent century chemical character chemical elements chemist chemistry classical coal commercial education complete conception creative definite direct discovery disintegration electricity electrons emanation energy evolved existence expelled experimental external Faculty FREDERICK SODDY fundamental H. H. Asquith helium hitherto human ideals important inanimate universe investigation ionium isotopes J. J. Thomson knowledge known labour lead living material means mechanism ment million mind minerals modern nation nature original past Periodic Law periodic table philosophy physical pitchblende polonium practical present problem processes Professor progress pure quantity radio-elements radioactive change radium recognised regard religion scientific study Scotland Soddy spectroscopic spectrum spirit study and research subjects successive teaching technical or commercial thallium thought tion to-day transmutation truth ultimate University of Aberdeen uranium and thorium wealth whole