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  1. Isotopes / by F.W. Aston by Francis William (1877-) Aston, 1924-01-01
  2. Nobelpreisträger Für Chemie: Marie Curie, Ernest Rutherford, Otto Hahn, Francis William Aston, Manfred Eigen (German Edition)
  3. Isotopes by Francis William Aston, 2010-08-19
  4. Nobel Lectures Including Presentation Speeches and Laureates' Biographies. by Francis William, PREGL, Fritz, ZSIGMONDY, Richard Adolf et al. NOBEL. ASTON, 1966
  5. Isotopes and atomic weights. 299-310 pp. In: Notices of the proceedings at the meetings of the members of the Royal Institution of Great Britain with the abstracts of the discourses delivered at the evening meetings, Vol. XXIII. by Francis William (1877-1945). ASTON, 1924-01-01
  6. Mass Spectrometrists: Francis William Aston, Alfred Bucherer, Alfred O. C. Nier, Kenneth Bainbridge, Walter Kaufmann, Arthur Jeffrey Dempster
  7. Mass spectra and isotopes, by Francis William Aston, 1944
  8. Mass specra and isotopes: Being the twenty-sixth Robert Boyle lecture delivered before the Junior Scientific Club of the University of Oxford on 3rd June ... Junior Scientific Club Robert Boyle lecture) by Francis William Aston, 1924
  9. Francis William Aston

1. Biography Center : Biographies Of Francis William Aston In Physicists
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2. Aston, Francis William - MSN Encarta
Aston, Francis William (18771945), British physicist and Nobel laureate, born in Harborne, Birmingham, England, and educated at Malvern College,
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Francis William Aston
Encyclopedia Article Find Print E-mail Blog It Multimedia 1 item Francis William Aston (1877-1945), British physicist and Nobel laureate, born in Harborne, Birmingham, England , and educated at Malvern College, University of Birmingham, and Trinity College, University of Cambridge . Aston built (1919) the first mass spectrometer and with it showed that many elements are mixtures of two or more isotopes with slightly different atomic weights. Aston's work, which was accurate to 0.1 percent, was the first quantitative study applicable to all the elements. For his discoveries he received many honors, including the Nobel Prize in chemistry in 1922. He wrote

3. Aston Francis William - Definition From Biology-Online.org
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Aston francis william
Aston, Francis William (Science: person , radiobiology) physicist at Cambridge university who invented the mass spectrometer in 1919, a device which could measure the mass of individual atoms . This device led to his discovery that the helium nucleus was less massive than the two hydrogen nuclei which could have formed it (implying that the missing mass could somehow be converted into energy through the process of nuclear fusion).
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The search seeks the exact word or phrase that you type, so if you don’t find your choice, try searching for a keyword in your topic or recheck the spelling of a word or name. Aston, Francis William Aston, Francis William (1877-1945), British physicist and Nobel laureate, born in Harborne, Birmingham, and educated at Malvern College, University of Birmingham, and Trinity College, University of Cambridge. Aston built (1919) the first mass spectrometer and with it showed that many elements are mixtures of two or more isotopes with slightly different atomic weights. Aston's work, which was accurate to 0.1 per cent, was the first quantitative study applicable to all the elements. For his discoveries he received many honours, including the Nobel Prize for Chemistry in 1922. He wrote Isotopes (1922) and Mass-Spectra and Isotopes "Aston, Francis William," Microsoft® Encarta® Online Encyclopedia 2007

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7. Aston Francis William - WIEM, Darmowa Encyklopedia
Aston Francis William Aston Francis William (1877–1945), fizyk i chemik brytyjski. Od 1920 profesor Uniwersytetu w Cambridge, od 1921 cz onek
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Aston Francis William
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Aston Francis William neonu . 1919 zbudowa³ pierwszy spektrograf masowy, za pomoc± którego odkry³ wiêkszo¶æ naturalnych trwa³ych izotopów (ok. 212). Zaproponowa³ te¿ tzw. fizyczn± skalê mas atomowych, opart± wy³±cznie na izotopie tlenu O, dla którego przyjêto masê równ± dok³adnie 16 (poprzednio jednostk± masy atomowej by³a 1/16 masy atomu tlenu bez uwzglêdnienia sk³adu izotopowego tlenu). 1922 laureat Nagrody Nobla w dziedzinie chemii. W 1931 odkry³ izotop uranu U. G³. prace: Isotopes Structural Units of the Material Universe
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8. Aston, Francis William - MSN Encarta
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Aston, Francis William
Article Rechercher Imprimer Envoyer M©dias 1 ©l©ment Aston, Francis William (1877-1945), physicien britannique. N©   Harborne (Birmingham), il fait ses ©tudes au coll¨ge Malvern,   l’universit© de Birmingham et au Trinity college (universit© de Cambridge). Gr¢ce au spectrom¨tre de masse , qu’il a perfectionn© (1919), Aston d©couvre que de nombreux corps sont form©s du m©lange de deux ou de plusieurs isotopes l©g¨rement diff©rents. Ce travail est la premi¨re ©tude quantitative applicable   tous les corps. Aston est l’auteur des Isotopes (1922) et de Spectres de masse et Isotopes Il a re§u le prix Nobel de chimie en 1922. Rechercher Imprimer Envoyer Comment citer cet article :
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10. Aston, Francis William - MSN Encarta
Translate this page Aston, Francis William (Harborne, Birmingham 1877 - Cambridge 1945), fisico britannico, svolse importanti studi sugli isotopi degli elementi .
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Aston, Francis William
Articolo Trova nell'articolo Anteprima di stampa Invia Multimedia 1 elemento Aston, Francis William (Harborne, Birmingham 1877 - Cambridge 1945), fisico britannico, svolse importanti studi sugli isotopi degli elementi. Conclusi gli studi presso il Malvern College dell’Universit  di Birmingham, e il Trinity College di Cambridge, si dedic² alle ricerche sulla massa atomica degli elementi e, nel 1919, costru¬ il primo spettrometro di massa Le accuratissime misure delle masse isotopiche che Aston ottenne con il nuovo strumento gli permisero di dedurre che tutti gli elementi, allo stato naturale, sono in realt  una miscela di vari isotopi con pesi atomici leggermente differenti. Giunse anche a rilevare il difetto di massa, ossia la differenza tra la somma delle masse delle singole particelle che costituiscono il nucleo, e la massa del nucleo allo stato legato, dal quale ¨ possibile determinare l’energia di legame del

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