21. JSTOR Francis William Aston. 1877-1945 francis william aston 18771945 Birmingham. 1877-1909 HARD winds are blowing. The contemporaries of Lord Rutherford who helped him to lay the foundation of http://links.jstor.org/sici?sici=1479-571X(194805)5:16<634:FWA1>2.0.CO;2-H

22. Aston, Francis William - A Dictionary Of Scientists - HighBeam Research A Dictionary of Scientists aston, francis william - From the HighBeam Research Archive. http://www.highbeam.com/doc/1O84-AstonFrancisWilliam.html

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23. Scientific Identity: Portraits From The Dibner Library Of The History Of Science Scientist, aston, francis william (1877 1945). Discipline(s), Chemistry ; Physics Portrait of francis william aston ~ Enlarge Image ~ http://www.sil.si.edu/digitalcollections/hst/scientific-identity/CF/by_name_disp

24. Abstract : Aston, Francis William (1877–1945) : Van Nostrand's Scientific Encyc Your browser may not have a PDF reader available. Google recommends visiting our text version of this document. http://doi.wiley.com/10.1002/0471743984.vse0711

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25. McGraw-Hill's AccessScience aston, francis william (1877–1945). The content above is only an excerpt. Please log in for full access. Log In. Enter log in information provided by your http://accessscience.com/content.aspx?id=M0090009

26. Aston, Francis William aston, francis william Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2007. http://www.questia.com/PM.qst;jsessionid=HKThJY4cBzkKxZ2nnD6yhzvc6Vfvxphcwb49316

27. Aston, Francis William aston studied chemistry at the University of Birmingham. In 1910 he went to Cambridge to work under JJ Thomson. aston s mass spectrograph showed that most http://www.euchems.org/Distinguished/20thCentury/astonfrancis.asp

Contact us Home 100 Distinguished 20th Century Aston, Francis William Aston, Francis William (1877-1945) Aston, Francis William 20th Century Born: Harborne (England), 1877 Died: Cambridge (England), 1945 Aston studied chemistry at the University of Birmingham. In 1910 he went to Cambridge to work under J. J. Thomson. Aston's mass spectrograph showed that most stable elements were a mixture of isotopes, differing in mass but not in chemical properties. Using this device he was able to discover 212 of the 287 stable isotopes. Aston was awarded the Nobel Prize in 1922. Related Links The Nobel Prize in Chemistry 1922 "for his discovery, by means of his mass spectrograph, of isotopes, in a large number of non-radioactive elements, and for his enunciation of the whole-number rule" Francis William Aston Nobel Laureate in Chemistry External links will open in a new browser window Main Links About EuCheMS EuCheMS News Governance and Structure 2nd EuCheMS Chemistry Congress ... EuCheMS Networking Scheme © EuCheMS 2005

28. ASTON, Francis William ENCYCLOPEDIA aston, francis william. FIND MORE. The Great Ships francis Drake and Golden Hind. Video 436 min The Great Ships takes a look at the famous http://www.history.com/encyclopedia.do?articleId=201699

29. ElasticHorse: Aston, Francis William aston, francis william. British physicist who won the Nobel Prize for Chemistry in 1922 for his development of the mass spectrograph, a device that http://elastichorse.blogspot.com/2005/03/aston-francis-william.html

@import url("http://www.blogger.com/css/blog_controls.css"); @import url("http://www.blogger.com/dyn-css/authorization.css?targetBlogID=11228633"); ElasticHorse Sunday, March 06, 2005 Aston, Francis William British physicist who won the Nobel Prize for Chemistry in 1922 for his development of the mass spectrograph, a device that separates atoms or molecular fragments of different mass and measures those masses with remarkable accuracy. Aston used the mass spectograph to discover a large number of nuclides posted by ElasticHorse at 3:07 AM 0 Comments: Post a Comment < Home Previous Posts Antigonus Iii Doson Zoisite Physical Science, Principles Of, Application of Ne... Ryazan ... Vulvitis

30. Biography Of Aston, Francis (William) Biographies of people living and dead of all nations. http://www.allbiographies.com/biography-FrancisWilliamAston-2128.html

AllBiographies' Forum Our Dictionary Our Math Site search biography names match all words match any words use wildcards browse biographies get a new biography browse by name browse by year browse by category Top 100 Categories Categories 101-300 Categories 301-500 Categories 501-633 English Dictionary allmath.com math for students travel deals hotel rooms biography classifications major works cross references biography name: Aston, Francis (William) sex: male lived: biography: Physicist, born in Birmingham, West Midlands, C England, UK. He studied at Birmingham and Cambridge, and was noted for his work on isotopes. He invented the mass spectrograph in 1919, for which he was awarded the Nobel Prize for Chemistry in 1922. The Aston dark space in electronic discharges is named after him. browse by name A B C D ... Z browse by year 2700 - 691 BC 690 - 531 BC 530 - 481 BC 480 - 391 BC ... Allsites LLC

31. Francis William Aston | UXL Newsmakers | Find Articles At BNET.com francis william aston from UXL Newsmakers in Array provided free by LookSmart Find Articles. http://findarticles.com/p/articles/mi_gx5221/is_2005/ai_n19134653

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32. Aston Francis William Info, Aston Francis William Media, Health & Medical Resour This page provides free access to aston, francis william information aston, francis william multimedia resources including Videos, Audio, a database of http://healthhaven.com/Aston,_Francis_William.htm

advertise toolbar services publishers ... Dr. Ron Paul Search Health and Longevity Drug Rehab Acupuncture Alternative Medicine Andrology Anesthesiology Biofeedback Biomedical Investing Cardiology Chiropractic Dentistry Dermatology Emergency Medicine Endocrinology Epidemiology Exercise Fitness Clubs Gastroenterology Geriatrics Gynecology Healthcare Suppliers Hematology Hospitals and Providers Immunology Internal Medicine Life Extension Massage Therapy Medical Associations Medical Education Medical Foundations Medical Journals Midwifery Nephrology Neurology Nuclear Medicine Nutrition Oncology Ophthalmology Orthopedics Pain Management Palliative Care Pathology Pediatrics Perinatology Pharmacy and Supplies Physical Therapy Podiatry Psychiatry Pulmonary Medicine Radiology Rehabilitation Rheumatology Veterinary Medicine for random Tips web image ... LOGIN NEW! Specialty Shops: Health Beauty Baby Medical Books ... Sporting Goods and more Aston, Francis William 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 (09 Oct 1997) Learn more: Online Medical Dictionary WEB search results 1 - 10 for keyword: Aston, Francis William

33. WikiAnswers - What Was The Annual Salary Of Francis William Aston Answer What was the annual salary of francis william aston? Even if you can t offer a complete answer, help us get things started. http://wiki.answers.com/Q/What_was_the_annual_salary_of_Francis_William_Aston

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34. Open Site - International: Italiano: Scienze: Chimica: Chimici E Ricercatori: As francis william aston è stato insignito del premio Nobel per la chimica, nel 1922, per gli studi sulla spettrometria di massa e la scoperta di isotopi. http://open-site.org/International/Italiano/Scienze/Chimica/Chimici_e_Ricercator

Enter your search terms Submit search form Web open-site.org home log in apply to edit Top ... Chimici e Ricercatori : Aston, Francis William Francis William Aston ¨ stato insignito del premio Nobel per la chimica, nel 1922, per gli studi sulla spettrometria di massa e la scoperta di isotopi. addthis_url = location.href; addthis_title = document.title; addthis_pub = 'opensite'; All text is available under the terms of the GNU Free Documentation License . (See for details.) Hosted by Android Technologies, Inc. the medical robotics news source. Visit our sister sites dmoz.org mozilla.org chefmoz.org musicmoz.org

35. Aston, Francis William francis william aston was born in September 1877 at Harborne, Birmingham, England, the third of a family of seven children. http://www.cartage.org.lb/en/themes/biographies/MainBiographies/A/Aston/ast.htm

Aston, Francis William Francis William Aston was born in September 1877 at Harborne, Birmingham, England, the third of a family of seven children. He was educated at Harborne Vicarage School and Malvern College where his interest in science was aroused. In 1894 he entered Mason College, Birmingham (later to become the University of Birmingham) where he studied chemistry under Frankland and Tilden, and Physics under Poynting. His winning of the Forster Scholarship in 1898 enabled him to work on the optical properties of tartaric acid derivatives; the results of this work were published in 1901. Leaving academic life for a time, he worked for three years as a chemist in the laboratory of a brewery. At about this time, however, his interest in physics, rather than chemistry, began to predominate; his aptitude for mechanical contrivance showed itself in his design and construction of new types of pumps for evacuating vessels. From this stemmed his interest in gas discharge phenomena in evacuated tubes. In 1903 he obtained a scholarship to Birmingham University (as it had now become) to work on the properties of the Crookes Dark Space in discharge tubes. Within a short time he had discovered the phenomenon which is known as the Aston Dark Space. At the end of 1909 he accepted the invitation of Sir J.J.Thomson to work as his assistant at the Cavendish Laboratory, Cambridge, on studies of positive rays. It was during this period that he obtained definite evidence for the existence of two isotopes of the inert gas neon.

36. Search Results | NuclearPathways.org Search Results for aston, francis william. Number of results 2 Biography of francis william aston Open link in new window http://www.nuclearpathways.org/searchresults.php?searchTerm=Aston, Francis Willi

37. Aston, Francis William - Encyclopedia Of Earth francis william aston (18771945), British physicist who won the Nobel Prize for Chemistry in 1922 for his development of the mass spectrograph, http://www.eoearth.org/article/Aston,_Francis_William

Author Login Encyclopedia of Earth Search Earthportal Earthnews Encyclopedia of Earth Forum EoE Pages Home About the EoE Community of Scholars FAQs ... Reviews Browse the EoE Titles (A-Z) Author Topics Topic Editor ... Collections Aston, Francis William Lead Author: Cutler J. Cleveland (other articles) Article Topics: Energy people and Environmental chemistry This article has been reviewed and approved by the following Topic Editor: Tom Lawrence (other articles) Last Updated: December 4, 2006 Francis William Aston (1877-1945), British physicist who won the Nobel Prize for Chemistry in 1922 for his development of the mass spectrograph, a device capable of separating atoms or molecular fragments of different masses and measuring those masses with remarkable accuracy. Aston used the mass spectrograph to discover a large number of nuclides, or nuclear species, that differ in mass. This device led to his discovery that the helium nucleus was less massive than the two hydrogen nuclei that could have formed it, implying that the missing mass could somehow be converted into energy through the process of nuclear fusion. The mass spectrograph is still widely used today in geology, chemistry, biology, and nuclear physics. Further reading Francis W. Aston

38. Aston Infosheet francis william aston, British physicist who won the Nobel Prize for Chemistry in 1922 for his development of the mass spectrograph, a device that separates http://data.directory-mania.com/aston-sheet.html

Francis William Aston 1922 Nobel Laureate in Chemistry Francis William Aston, British physicist who won the Nobel Prize for Chemistry in 1922 for his development of the mass spectrograph, a device that separates atoms or molecular fragments of different mass and measures those masses with remarkable accuracy. Aston used the mass spectrograph to discover a large number of nuclides, or nuclear species that differ in mass. The mass spectrograph is widely used in geology, chemistry, biology, and nuclear physics. Aston was trained as a chemist, but, upon the rebirth of physics following the discovery of X rays in 1895 and of radioactivity in 1896, he began in 1903 to study the creation of X rays by the flow of current through a gas-filled tube. In 1910 he became an assistant to Sir J.J. Thomson at Cambridge, who was investigating positively charged rays emanating from gaseous discharges. During Aston's assistantship Thomson obtained, from experiments with neon, the first evidence for isotopes (atoms of the same element that differ in mass) among the stable (nonradioactive) elements. Selected works After World War I, Aston constructed a new type of positive-ray apparatus, which he named a mass spectrograph. It showed that not only neon but also many other elements are mixtures of isotopes. Aston's achievement is illustrated by the fact that he discovered 212 of the 287 naturally occurring nuclides.

39. I-mass.com : International Mass Spectrometry Web Resource francis william aston was born in September 1877 in Birmingham, England, the third of seven children. He was educated at Harborne Vicarage School and http://www.i-mass.com/aston.html

o i-mass guides : Index Classic Articles Definitions History ... Tutorials Past Features Carbon Dating of Cave Art Mass Spectrometry dates prehistoric cave paintings in southern France... On the Nose - MS shows mice prefer to mate with partners that express different MHC genes. Special Delivery - A mass spectrometer is delivered to the international space station... Molecular Hitchhiking on a Comet - Mass spectrometry shows molecules can survive an impact with Earth... Mass Spectrometry Unearths Mexico's Maize - Accelerator MS provides evidence of early agriculture in Mexico... Mass of the Universe -Scientists may finally have a reliable estimate of the mass of the universe...

40. Aston, Francis William. The Columbia Encyclopedia, Sixth Edition. 2001-07 aston, francis william. The Columbia Encyclopedia, Sixth Edition. 200107. http://www.aol.bartleby.com/65/as/Aston-Fr.html

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