61. Bohr, Niels Henrik David encyclopediaEncyclopedia bohr, niels Henrik David, nEls han' rEkdA'vE thstrok; bOr Pronunciation Key. bohr, niels Henrik David http://www.infoplease.com/ce6/people/A0808132.html

62. Bohr, Niels Translate this page Completa Biografía de bohr, niels su vida, su trabajo, su legado,con enlaces relacionados. bohr, niels. Biografía de bohr, niels, http://www.geocities.com/CollegePark/Plaza/4692/bohr.html

Bohr, Niels Biografía de Bohr, Niels Bohr, Niels (1885-1962), físico danés, galardonado con el premio Nobel, que hizo aportaciones fundamentales en el campo de la física nuclear y en el de la estructura atómica. Bohr nació en Copenhague el 7 de octubre de 1885; era hijo de un profesor de fisiología y estudió en la universidad de su ciudad natal, donde alcanzó el doctorado en 1911. Ese mismo año fue a la Universidad de Cambridge (Inglaterra) para estudiar física nuclear con J.J. Thomson, pero pronto se trasladó a la Universidad de Manchester para trabajar con Ernest Rutherford. La teoría de la estructura atómica de Bohr, que le valió el Premio Nobel de Física en 1922, se publicó en una memoria entre 1913 y 1915. Su trabajo giró sobre el modelo nuclear del átomo de Rutherford, en el que el átomo se ve como un núcleo compacto rodeado por un enjambre de electrones más ligeros. El modelo de átomo de Bohr utilizó la teoría cuántica y la constante de Planck. El modelo de Bohr establece que un átomo emite radiación electromagnética sólo cuando un electrón del átomo salta de un nivel cuántico a otro. Este modelo contribuyó enormemente al desarrollo de la física atómica teórica. En 1916, Bohr regresó a la Universidad de Copenhague como profesor de física, y en 1920 fue nombrado director del Instituto de Física Teórica de esa universidad, recién constituido. Allí, Bohr elaboró una teoría que relaciona los números cuánticos de los átomos con los grandes sistemas que siguen las leyes clásicas, y realizó otras importantes aportaciones a la física teórica. Su trabajo ayudó a impulsar el concepto de que los electrones se encuentran en capas y que los de la última capa determinan las propiedades químicas de un átomo.

63. Bohr, Niels Henrik David. The Columbia Encyclopedia, Sixth Edition. 2001 2001. bohr, niels Henrik David. (n ls h n´ r kd ´v th b r) (KEY) , 1885–1962,Danish physicist, one of the foremost scientists of modern physics. http://www.bartleby.com/65/bo/Bohr-Nie.html

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64. 7688. Bohr, Niels. The Columbia World Of Quotations. 1996 ATTRIBUTION niels bohr (1885–1962), Danish physicist. Quoted in Alan Mackay,The Harvest of a Quiet Eye (1977). The Columbia World of Quotations. http://www.bartleby.com/66/88/7688.html

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65. Bohr, Niels Henrik David (Copenaghen 1885-1962), Fisico Danese Translate this page bohr, niels Henrik David (Copenaghen 1885-1962), fisico danese. Figliodi un professore di fisiologia, studiò all'Università di http://www.quipo.it/atosi/numero2/biografie/bohr.htm

Bohr, Niels Henrik David (Copenaghen 1885-1962), fisico danese. Figlio di un professore di fisiologia, studiò all'Università di Copenaghen, dove si laureò nel 1911. Si recò poi all'Università di Cambridge per studiare fisica nucleare sotto la guida di Joseph John Thomson, ma ben presto si trasferì a Manchester dove iniziò a collaborare con Ernest Rutherford. La teoria della struttura atomica di Bohr, per la quale fu insignito del premio Nobel per la fisica nel 1922, venne formulata in tre memorie pubblicate tra il 1913 e il 1915. I suoi studi erano basati sul modello atomico di Rutherford, secondo il quale l'atomo è costituito da un nucleo compatto circondato da elettroni, molto più leggeri. Il modello proposto da Bohr prevede che gli elettroni siano disposti intorno al nucleo su orbite stabili, corrispondenti a livelli energetici ben definiti, e che l'emissione o l'assorbimento di radiazione elettromagnetica si verifichi a seguito di transizioni elettroniche tra livelli quantici diversi. Inoltre, le proprietà chimiche dell'atomo sono determinate dal numero di elettroni che occupano il livello energetico più esterno. Nel 1916 Bohr tornò all'Università di Copenaghen in qualità di professore di fisica, e nel 1920 divenne direttore dell'Istituto di fisica teorica. Qui si dedicò allo studio dei fondamenti della meccanica quantistica, ponendo alla base del suo lavoro il cosiddetto principio di corrispondenza, secondo cui la teoria dei quanti deve fornire gli stessi risultati della fisica classica per sistemi di dimensioni macroscopiche.

66. Search For Bohr, Niels Home People References bohr, niels 110 of 69. Creator, Title,Mark. AJ Software Multimedia The Atomic Archive Ackland, Len, Eds. http://alsos.wlu.edu/qsearch.asp?Hidden=&Field=p/Bohr, Niels

67. Niels Bohr (1885-1962) niels bohr (18851962). Danish physicist, bohr was born in Copenhagen,in 1885, and died also in this city in 1962. bohr graduated http://nautilus.fis.uc.pt/st2.5/scenes-e/biog/b0010.html

Niels Bohr (1885-1962) Danish physicist, Bohr was born in Copenhagen, in 1885, and died also in this city in 1962. Bohr graduated in his birth city, in 1911, and worked with J. J. Thomsom and E. Rutherford in England. In 1913, by applying the atomic model of Rutherford , was able to understand some of the spectral series of hydrogen and the structure of the periodic system of elements. He announced the correspondence principle and, in 1928, the complementary principle. Bohr studied the liquid drop nuclear model, and before the discovery of plutonium , foresighted its fission property, similar to that of U-235. Bohr received the Nobel Prize of Physics in 1922.

68. The Science Bookstore - Quantum Page Featured Author. bohr, niels Born 10/7/1885 Died 11/18/1962. 1912 bohr beginswork on quantum theory of atom. bohr, niels Henrik David, 18851962. http://www.thesciencebookstore.com/quantum.asp

Home Page About Us Books Prints and Maps ... SciImages Featured Author Bohr, Niels Born: 10/7/1885 Died: 11/18/1962 Bohr begins work on quantum theory of atom. Niels Bohr succeeds in constructing a theory of atomic structure based on quantum ideas. Niels Bohr presents his quantum model of the atom Bohr published his model of the atom, based on energy states described by one quantum number Niels Bohr succeeds in constructing a theory of atomic structure based on quantum ideas. Niels Bohr, radioactivity as nuclear property Niels Bohr, quantum theory of atomic orbits Arnold Sommerfeld develops a modified Bohr atomic model with elliptic orbits to explain relativistic fine structure Bohr states principle of complementarity which says that a phenomenon can be described as wave-like or particle like but not both. Niels Bohr, Copenhagen interpretation of Quantum Mechanics Niels Bohr, principle of complementarity Niels Bohr presents his analysis of the EPR paradox Niels Bohr, compound nucleus

69. Niels Henrik David Bohr (1885 - 1962) Translate this page niels bohr, um dos maiores cientistas europeus em questões nucleares, é levadoaté a Suécia, de onde embarca num avião que se dirige para a Inglaterra. http://br.geocities.com/saladefisica9/biografias/bohr.htm

Biografias Niels Henrik David Bohr (Bohr, Heisenberg e Paul Dirac) www.saladefisica.cjb.net

70. Niels Bohr Origin niels Henrik David bohr. Born 7 Oct niels bohr studied atthe University of Copenhagen which he entered in 1903. He won a http://physics.hallym.ac.kr/reference/physicist/Bohr_Niels.html

Origin Niels Henrik David Bohr Born: 7 Oct 1885 in Copenhagen, Denmark Died: 18 Nov 1962 in Copenhagen, Denmark Show birthplace location Previous (Chronologically) Next Biographies Index Previous ( Alphabetically) Next Welcome page Niels Bohr studied at the University of Copenhagen which he entered in 1903. He won a gold medal from the Royal Danish Academy of Sciences for his theoretical analysis of vibrations of water jets as a means of determining surface tension. He received his Master's degree from the University of Copenhagen in 1909 and his doctorate in 1911 with a thesis Studies on the electron theory of metals. Bohr went to England to study with Sir J.J. Thomson at Cambridge. He had intended to spend his entire study period in Cambridge but he did not get on well with Thomson so, after a meeting with Ernest Rutherford in Cambridge in December 1911, Bohr moved to Manchester in 1912. There he worked with Rutherford's group on the structure of the atom. Rutherford became Bohr's role model both for his personal and scientific qualities. Using quantum ideas due to Planck and Einstein , Bohr conjectured that an atom could exist only in a discrete set of stable energy states.

71. Bohr, Niels niels bohr. Back to Last Page Glossary Index Related Terms. •Max Planck. Name niels bohr Full Name niels Henrik David bohr. http://atheism.about.com/library/glossary/general/bldef_bohrniels.htm

zfp=-1 About Agnosticism/Atheism Search in this topic on About on the Web in Products Web Hosting Agnosticism/Atheism with Austin Cline Your Guide to one of hundreds of sites Home Articles Forums ... Help zmhp('style="color:#fff"') Subjects ESSENTIALS Skepticism, Philosophy, Logic, Fallacies Church / State Separation Evolution vs. Creationism ... All articles on this topic Stay up-to-date! Subscribe to our newsletter. Advertising Free Credit Report Free Psychics Advertisement Niels Bohr Back to Last Page Glossary Index Related Terms Max Planck Name: Niels Bohr Full Name: Niels Henrik David Bohr Dates: Born: October 7, 1885 in Copenhagen, Denmark Died: November 18, 1962 in Copenhagen, Denmark Ph.D. from Copenhagen University: 1911 Nobel Prize in Physics: 1922 Open Letter to the United Nations : June 9, 1950 Biography: Niels Bohr grew up in a scientifically-oriented family which encouraged him in his research and intellectual development. Even his earliest work as a student was of such quality that it won awards, and his use of concepts of quantum theory developed by Max Planck led to important developments in theoretical physics and our understanding of atomic structure. After World War II he devoted himself to the development of peaceful applications of atomic energy and in opposition of the use of atomic weapons in war. A hallmark of this debate was his

72. Iranian Journal Of Chemistry & Chemical Engineering bohr, niels b. Oct. 7, 1885, Copenhagen, Den. d. Nov. 18, 1962, Copenhagenin full niels HENRIK DAVID bohr Danish physicist who http://213.176.24.20/chemist/Bohr.htm

Email Search Join Shop Site map Site Tour Home B ohr, Niels b. Oct. 7, 1885, Copenhagen, Den. d. Nov. 18, 1962, Copenhagen in full NIELS HENRIK DAVID BOHR Danish physicist who was the first to apply the quantum theory, which restricts the energy of a system to certain discrete values, to the problem of atomic and molecular structure. For this work he received the Nobel Prize for Physics in 1922. He developed the so-called Bohr theory of the atom and liquid model of the atomic nucleus. Bohr Early life Bohr's father, Christian Bohr, professor of physiology at the University of Copenhagen, was known for his work on the physical and chemical aspects of respiration. His mother, Ellen Adler Bohr, came from a wealthy Jewish family prominent in Danish banking and parliamentary circles. Bohr's scientific interests and abilities were evident early, and they were encouraged and fostered in a warm, intellectual family atmosphere. Niels's younger brother, Harald, became a brilliant mathematician. Bohr distinguished himself at the University of Copenhagen, winning a gold medal from the Royal Danish Academy of Sciences and Letters for his theoretical analysis of and precise experiments on the vibrations of water jets as a way of determining surface tension. In 1911 he received his doctorate for a thesis on the electron theory of metals that stressed the inadequacies of classical physics for treating the behaviour of matter at the atomic level. He then went to England, intending to continue this work with Sir J.J. Thomson at Cambridge. Thomson never showed much interest in Bohr's ideas on electrons in metals, however, although he had worked on this subject in earlier years. Bohr moved to Manchester in March 1912 and joined Ernest Rutherford's group studying the structure of the atom.

73. BOHR, NIELS (1885-1962) bohr, niels (18851962). När JJ THOMSON 1897 genom direkta experimentbevisade att ELEKTRONER kan extraheras ur atomer och lämnar http://hem.passagen.se/hlesjo43/bohr.htm

BOHR, NIELS (1885-1962)

74. Niels Bohr - Biografie Rasscass bohr. http://www.rasscass.com/templ/te_bio.php?PID=381&RID=1

75. Bohr, Niels (1885-1962) bohr, niels (18851962). Danish physicist who proposed a successful quantum modelof the atom in 1913. Blaedel, N. Harmony and Unity The Life of niels bohr. http://www.phys.virginia.edu/classes/usem/origin/notes/05/bohr.html

Adapted from Eric's Treasure Trove. Links shown in blue take you back to the original site. Bohr, Niels (1885-1962) Danish physicist who proposed a successful quantum model of the atom in 1913. His model assumed that (1) the electron exists on precise circular orbits around the nucleus, (2) as long as an electron remains in one orbit, no energy is given off, and (3) the angular momenta associated with allowed electron motion are integral multiples of . Bohr introduced the Correspondence Principle, which states that quantum mechanical formulas must reduce to the classical results in the limit of large quantum number. He also advocated a probabilistic interpretation of quantum mechanics known as the Copenhagen Interpretation In 1922 he was awarded the Nobel Prize in physics for this work. Additional biographies: MacTutor (St. Andrews) and the Nobel site. References Blaedel, N. Harmony and Unity: The Life of Niels Bohr. Madison, WI: Science Tech, 1988. Murdoch, D. Niels Bohr's Philosophy of Physics. New York: Cambridge University Press, 1987.

76. Bohr, Niels Henrik David bohr, niels Henrik David 18851962, Danish physicist, one of the foremost scientistsof modern physics. He studied at the Univ. bohr, niels Henrik David. http://www.slider.com/enc/7000/Bohr_Niels_Henrik_David.htm

Vendercom Hosting Solutions Home Encyclopeadia B Ble - Boa ... Rope Ladders Trellian WebPage Slider Search: The Web Encyclopaedia Shopping Index Help Encyclopaedia Bohr, Niels Henrik David 1885-1962, Danish physicist, one of the foremost scientists of modern physics. He studied at the Univ. of Copenhagen (Ph.D. 1911) and carried on research on the structure of the atom at Cambridge under Sir James J. Thomson and at Manchester under Lord Ernest Rutherford. In 1916, Bohr became professor of theoretical physics at the Univ. of Copenhagen, and in 1920 he was made director of the Institute of Theoretical Physics, which he was instrumental in founding. Rutherford had discovered the nucleus of the atom in 1911, but classical theory was unable to explain the stability of the nuclear model of the atom. Bohr provided the solution to this problem in 1913, when he postulated that electrons move around the nucleus of the atom in restricted orbits and explained the manner in which the atom absorbs and emits energy. He thus combined the quantum theory with this concept of atomic structure. Much of the knowledge of modern physics was made possible by Bohr's initial revolutionary assumption that atomic processes cannot be explained by classical laws alone. Bohr was a leading figure in the continuing development of the quantum theory over the next twenty years. He received the 1922 Nobel Prize in Physics.

77. Biografía - Bohr, Niels bohr, NielsNacionalidad Dinamarca Copenhague 1885 - Copenhague 1962. Su http://www.artehistoria.com/historia/personajes/6823.htm

FICHA Nacionalidad: Dinamarca Copenhague 1885 - Copenhague 1962 Su formación discurre entre Cambridge y Manchester. De regreso a Copenhague imparte clases en la Universidad. A él se deben importantes aportaciones en física cuántica y atómica . Sus investigaciones se inspiran en los estudios de Rutherford y su modelo de átomo. Las conclusiones a las que llega a partir de este análisis se complementan con la teoría cuántica de Planck . El resultado final es un nuevo modelo atómico. Gracias a este hallazgo sentó las bases de muchos descubrimientos posteriores. En 1921 funda el Instituto de Física Teórica, que dirige hasta el fin de sus días. Sus investigaciones fueron premiadas en 1922 con el Nobel de física. Escribió "Teoría atómica y descripción de la naturaleza". Todos los textos e imágenes en alta resolución de esta sección están disponibles en la colección La Historia y sus Protagonistas de Ediciones Dolmen, S.L. (C) 2001 Ediciones Dolmen, S.L. Todos los derechos reservados.

78. Zientzia Eta Teknologiaren Ataria 1995/08/02 Azkune Mendia, Iñaki Kaltzada, Pili. bohr, niels. (18851962).Danimarkar fisikari ospetsu hau Kopenhagen jaio zen 1885.eko urriaren 7an. http://www.zientzia.net/artikulua.asp?Artik_kod=2399

79. Bohr, Niels., Atomtheorie Und Naturbeschreibung. Vier Aufsätze Mit Einer Einlei Michael R. Thompson Bookseller. bohr, niels. Atomtheorie und Naturbeschreibung.Vier Aufsätze Mit Einer Einleitenden Ubersicht. http://www.polybiblio.com/mrtbksla/7685.html

Michael R. Thompson Bookseller Bohr, Niels. Atomtheorie und Naturbeschreibung. Vier Aufsätze Mit Einer Einleitenden Ubersicht. Berlin: Verlag von Julius Springer, 1931 Octavo., 78, [2, ads] pp., Original printed cream wrappers., Lower corner of front wrapper clipped, top and bottom of wrapper worn away at spine. Still, a good, tight copy of a fragile work. First edition. This item is listed on Bibliopoly by Michael R. Thompson Bookseller ; click here for further details.

80. AldeaE.Net | Aprendizaje Digital Translate this page Visita Autorizada. bohr, niels. 1885 - 1962 Física Dinamarca. Temas relacionadosIr al Tope. La materia y sus estados. Premio Nobel 1922. bohr, niels Henrik D. http://www.aldeae.net/donbosco/aldea/biograf2.asp?which1=62

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