Science and Life: Aberdeen AddressesJ. Murray, 1920 - 229 páginas |
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Página 19
... chemists for a century , so feeble is their radioactivity and so slow their rate of disintegration , without a suspicion that , in them , the oft - suspected process of the evolution of the elements was still in progress before their ...
... chemists for a century , so feeble is their radioactivity and so slow their rate of disintegration , without a suspicion that , in them , the oft - suspected process of the evolution of the elements was still in progress before their ...
Página 21
... amongst the most complex sorts of atoms known to the chemist . All heavy elements , presumably , if they could be transmuted artificially into lighter ones , would evolve E energy on the same scale as uranium , thorium and.
... amongst the most complex sorts of atoms known to the chemist . All heavy elements , presumably , if they could be transmuted artificially into lighter ones , would evolve E energy on the same scale as uranium , thorium and.
Página 35
... chemist to give back again the original carbon and the oxygen , not entirely different elements . In other cases , the decomposition of certain compounds may give rise to the evolution of energy . Examples are to be found in all the ...
... chemist to give back again the original carbon and the oxygen , not entirely different elements . In other cases , the decomposition of certain compounds may give rise to the evolution of energy . Examples are to be found in all the ...
Página 43
... chemists can play in furthering the general prosperity of the community . The war has been already the means of removing some misconceptions and of the making of some discoveries . It has , for example , discovered the science of ...
... chemists can play in furthering the general prosperity of the community . The war has been already the means of removing some misconceptions and of the making of some discoveries . It has , for example , discovered the science of ...
Página 45
... chemist and physicist and their executive officer , the engineer . Power , before running to waste and making at best but an idle show , at the bidding of these three now works , battering raw materials into life - giving commodities ...
... chemist and physicist and their executive officer , the engineer . Power , before running to waste and making at best but an idle show , at the bidding of these three now works , battering raw materials into life - giving commodities ...
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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