Science and Life: Aberdeen AddressesJ. Murray, 1920 - 229 páginas This work is a collection of addresses and articles written at Aberdeen University regarding the interaction between science and society. |
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Página 95
... polonium , actinium and the other new intensely active radio - elements she discovered in such infinitesimal amount in pitchblende were in all probability the products of the change of the parent element uranium . The view carries with ...
... polonium , actinium and the other new intensely active radio - elements she discovered in such infinitesimal amount in pitchblende were in all probability the products of the change of the parent element uranium . The view carries with ...
Página 99
... only oth of a milligram by weight — a quantity unweighable on the most sensi- tive chemical balance or II cubic millimetres by volume . Helium has also been detected as a " product of polonium , actinium and other of the new.
... only oth of a milligram by weight — a quantity unweighable on the most sensi- tive chemical balance or II cubic millimetres by volume . Helium has also been detected as a " product of polonium , actinium and other of the new.
Página 100
Aberdeen Addresses Frederick Soddy. product of polonium , actinium and other of the new radio - elements . Gradually the tangled and complex succession of changes being undergone by uranium and thorium have been straightened out , and it ...
Aberdeen Addresses Frederick Soddy. product of polonium , actinium and other of the new radio - elements . Gradually the tangled and complex succession of changes being undergone by uranium and thorium have been straightened out , and it ...
Página 105
... polonium and actinium are now known to occupy Nos . 84 and 89. The three radioactive emanations of Rutherford , products of radium , actinium and thorium respectively , are chemically analogous to Ramsay's inert family of atmospheric ...
... polonium and actinium are now known to occupy Nos . 84 and 89. The three radioactive emanations of Rutherford , products of radium , actinium and thorium respectively , are chemically analogous to Ramsay's inert family of atmospheric ...
Página 120
... polonium , and even from uranium and thorium , all at the rates to be expected from radioactive data . The identification of the a - particle with helium , after the weight of the a - particle had been shown by new physical methods to ...
... polonium , and even from uranium and thorium , all at the rates to be expected from radioactive data . The identification of the a - particle with helium , after the weight of the a - particle had been shown by new physical methods to ...
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Términos y frases comunes
a-particle Aberdeen actinium active æsthetic ancient animal Arts 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 conception creative definite direction discovery disintegration electricity electrons emanation energy evolved existence expelled experimental external Faculty FREDERICK SODDY fundamental H. H. Asquith helium hitherto human ideals inanimate universe investigation ionium isotopes J. J. Thomson knowledge known labour lead living mass material means mechanism ment million mind minerals modern nation nature original past Periodic Law periodic table philosophy physical pitchblende polonium practical present problem processes pure quantity radio-elements radioactive change radium radium-C 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