Urey hc (31 risultati)

Hardcover. Condizione: Very Good. HARDCOVER; ex-corporate library; light tanning of leaves; o/w in very good condition. Book.

Hardcover. Condizione: Good. Hardcover; Volume 6 only; surplus library copy with the usual stampings; re ference number taped to spine; fading, scuffing, and shelf wear to exterior; corners bumped; in good condition with clean text, firm binding. No dust jacket.

Hardcover. Condizione: Good. Hardback, surplus library copy with usual marking; otherwise very good cond idtion with clean text, tight binding.

Hardcover. Condizione: Good. Hardcover; Volume 8 only; surplus library copy with the usual stampings; fa ding, scuffing, and shelf wear to exterior; fading to pages; in good condit ion with clean text, firm binding. No dust jacket.

Condizione: Near Fine. København 1926. Det. Kgl. Danske Videnskabernes Selskab. Mathematisk-fyisike Meddelser VII, 13. Octavo, 18pp., original printed wraps. Uncut. Near Fine.

Pbk. Condizione: Very Good. Very good. Pages very slightly beginning to yellow. Lettering to spine faded.

Condizione: Good. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. In good all round condition. No dust jacket. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,700grams, ISBN.

Condizione: Poor. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. In poor condition, suitable as a reading copy. No dust jacket. Library sticker on front cover. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,750grams, ISBN.…

Condizione: New. In English.

Paperback. Condizione: New.

Hardcover. 471pp. Foxing to top edge else very good plus condition with text clean & binding tight / lightly soiled chipped dust jacket.

Condizione: Fair. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. In fair condition, suitable as a study copy. No dust jacket. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,1200grams, ISBN.…

Condizione: New. pp. 492 Index.

Hardcover. Condizione: Fine. Condizione sovraccoperta: Very Good+. First Edition. Fine blue cloth. Jacket shows light general wear. ; International Astronomical Union Symposia, 47; 0.0 X 0.0 X 0.0 inches.

Paperback. Condizione: Brand New. 492 pages. 9.25x6.10x1.11 inches. In Stock.

Taschenbuch. Condizione: Neu. Druck auf Anfrage Neuware - Printed after ordering - The IAU Symposium No. 47 The Moon was held in the School of Physics of the University of Newcastle-upon-Tyne, England, from 22 to 26 March 1971. The Meet ing was sponsored by Commission 17 and co-sponsored by URSI. The Symposium was supported financially by the IAU. The Scientific Organizing Committee included Prof. S. K. Runcorn, Chairman (University of Newcastle-upon-Tyne), Prof. H. Alfven (Royal Institute of Technology, Stockholm), Prof. G. Colombo (University of Padova), Prof. A. Dollfus (Observatoire de Paris), Prof. T. Gold (Cornell University), Dr K. Koziel (Jagellonian University, Poland), Prof. G. P. Kuiper (University of Arizona), Dr B. J. Levin (U. S. S. R. Academy of Sciences), Dr A. A. Mikhailov (U. S. S. R. Academy of Sciences), Prof. A. E. Ringwood (Australian National Univer sity) and Prof. H. C. U rey (University of California). The Local Organizing Committee included Prof. S. K. Runcorn (Chairman), Dr G. Fielder, Prof. W. R. Hindmarsh, Prof. Z. Kopal and Prof. W. H. McCrea. This book includes the majority of papers presented at this the second IAU Sym posium on The Moon: comparison with the previous IAU Symposium on The Moon held in Leningrad, a decade earlier, makes clear the great advances made possible in our knowledge of the Moon and solar system by space technology. Academician A. A. …

Condizione: New. In English.

Paperback. Condizione: Like New. LIKE NEW. SHIPS FROM MULTIPLE LOCATIONS. book.

Kartoniert / Broschiert. Condizione: New.

Gebundene Ausgabe. o.A. 471 S. Leinen gebunden, lager- und Gebrauchsspuren. Kapital und Ecken bestoßen, Vorsatz eingerissen. Ausgeschiedenes Bibliotheksexemplar mit den üblichen Kennzeichnungen. Die Leseseiten sind sauber und ohne Anstreichungen oder Knicke. 9789027701497 Sprache: Englisch Gewicht in Gramm: 1200.…

Couverture rigide. Condizione: bon. R260269721: 1972. In-8. Relié. Très bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 471 pages augmentées de nombreuses photos en noir et blanc dans texte. . . . Classification Dewey : 420-Langue anglaise. Anglo-saxon.

Condizione: gut. 1972. The Moon (International Astronomical Union Symposia, 47, Band 47) Newcastle-Upon-Tyne, England, 22-26 March, 1971 In deutscher Sprache. pages.

Soft cover. Condizione: Very Good. 1st Edition. First edition, complete journal issue in original printed wrappers, of the first detailed account of the discovery of deuterium, or heavy hydrogen, an isotope of hydrogen of twice the atomic weight of normal hydrogen (a brief announcement had appeared in the same journal in January). "In 1931 Urey discovered a heavy isotope of hydrogen, later named deuterium, with his colleagues Ferdinand Brickwedde and George Murphy, through spectroscopy of the product of fractional distillation of hydrogen near its triple point. The discovery had a significant influence on chemistry, physics, and medicine (first tracer used to study physiological changes in the human body)" (DSB). Deuterium has many technological applications: in the form of heavy water (deuterium oxide) it is used as a moderator in fission reactors; the nuclear fusion of deuterium atoms has been used in thermonuclear weapons; and deuterium enters into all chemical reactions characteristic of ordinary hydrogen, but it reacts more slowly than ordinary hydrogen, leading to its use as a tracer. "The Nobel Prize in Chemistry 1934 was awarded to Harold C. Urey for his discovery of heavy hydrogen. Just as Chadwick was in the habit of scanning scientific journals as they arrived in his morning mail, so was the American physical chemist Harold C. Urey at Columbia University. What caught his attention one warm summer day in 1931 was a letter to the editor in The Physical Review by Raymond T. Birge, a professor of astrophysics at Lick Observatory on nearby Mount Hamilton. Birge and Menzel suggested that isotopes of hydrogen might explain an apparent discrepancy in the atomic weight of that element. The atomic weight of hydrogen had been a sore point of contention among scientists for a long time. Its value led Rutherford to propose, some ten years earlier, not only his hypothetical neutron, but also one or more isotopes of hydrogen . . . Urey had . . . spent a year studying at the Niels Bohr Physical Institute in Copenhagen, and had served on the faculty at the Johns Hopkins University in Baltimore. While at Hopkins, he became acquainted with Brickwedde, a graduate student in physics. Urey lost no time in following up on the letter by Birge and Menzel. Teaming up with his colleague George Murphy at Columbia, he soon identified hydrogen and its isotope by spectroscopically observing the Balmer atomic spectrum . . . Modest exposures sufficing with gas from a commercial tank of hydrogen, the experiment seemed too simple! Urey decided not to rush into print, but make doubly sure that the new spectral lines were not impurity lines or ghosts (caused by irregularities in the ruling of the Columbia grating). If we had been brave, muses Murphy, we would have stopped work on that first day and written our paper announcing the discovery of heavy hydrogen . To proceed further, a method of isotopic concentration was needed and fractional distillation of liquid hydrogen seemed a good bet . . . Urey got in touch with Brickwedde, a former student of his then at the National Bureau of Standards in Washington, DC, and already an authority on low-temperature studies. Brickwedde gladly agreed to lend a hand, and ship some samples via Railway Express. Unfortunately the Washington liquefier was down for repairs, causing some anxiety at Columbia; others might also be looking for the predicted isotope. But a sample was soon on the way, consisting of a few cubic centimeters of residual liquid evaporated from six liters of liquid hydrogen. To Urey s consternation, the intensity of the spectral lines attributed to heavy hydrogen was too feeble to be sure. More waiting. At last, more samples arrived, evaporated at a lower temperature where the rate at which heavy hydrogen is concentrated should be more rapid. Success! The new lines showed a six- or seven-fold increase in intensity of the Balmer lines of deuterium" (Dahl, Heavy Water and the Wartime Race for Nuclear Energy). Large 8vo. Original printed wrappers.…

Wraps. Condizione: Very Good. First Edition. First Edition. 191, [1 blank], 8 pages. 7 x 10 inches. The entire issue of the Physical Review, Vol. 39 #1 (Second Series) January 1, 1932 offered. Publisher's original green printed wrappers. A nice copy with minor browning to the covers at the extremities and some creasing to the rear wrapper. Upper spine corner lightly bumped. Rear wrapper and last nine leaves with closed tear at top edge. Wraps. The article offered here, "A Hydrogen Isotope of Mass 2" is found on page 164-5. It announces the discovery of the deuteron, which we now know as deuterium. "Deuterium (symbol D or 2H, also known as heavy hydrogen) is one of two stable isotopes of hydrogen. The nucleus of deuterium, called a deuteron, contains one proton and one neutron, whereas the far more common hydrogen isotope, protium, has no neutron in the nucleus. Deuterium has a natural abundance in Earth's oceans of about one atom in 6420 of hydrogen." (wiki) Deuterium has important applications in nuclear reactors, NMR Spectroscopy, geology, and a myriad of other areas. A further article was published in the April issue which addressed in considerably more detail the concentration of the newly discovered isotope and why that worked. "Soon after deuterium's discovery, Urey and others produced samples of "heavy water" in which the deuterium had been highly concentrated." "Harold Clayton Urey (April 29, 1893 January 5, 1981) was an American physical chemist whose pioneering work on isotopes earned him the Nobel Prize in Chemistry in 1934 for the discovery of deuterium. He played a significant role in the development of the atom bomb, but may be most prominent for his contribution to theories on the development of organic life from non-living matter.At Johns Hopkins, Urey and Arthur Ruark wrote Atoms, Quanta and Molecules (1930), one of the first English texts on quantum mechanics and its applications to atomic and molecular systems." (wiki) Most often found in bound ex-library volumes, we offer here the original issue of the Physical Review as it was published. See Ezhela, et al, pp 64-65, (Urey 1932) which identifies the article as providing "Evidence for the deuteron".…

Condizione: VG. København 1924. Det. Kgl. Danske Videnskabernes Selskab. Mathematisk-fyisike Meddelser VI, 2. Octavo, 19pp., original printed wraps. Uncut. VG.

Condizione: new. Questo è un articolo print on demand.

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The IAU Symposium No. 47 The Moon was held in the School of Physics of the University of Newcastle-upon-Tyne, England, from 22 to 26 March 1971. The Meet ing was sponsored by Commission 17 and co-sponsored by URSI. The Symposium was supported financially by the IAU. The Scientific Organizing Committee included Prof. S. K. Runcorn, Chairman (University of Newcastle-upon-Tyne), Prof. H. Alfven (Royal Institute of Technology, Stockholm), Prof. G. Colombo (University of Padova), Prof. A. Dollfus (Observatoire de Paris), Prof. T. Gold (Cornell University), Dr K. Koziel (Jagellonian University, Poland), Prof. G. P. Kuiper (University of Arizona), Dr B. J. Levin (U. S. S. R. Academy of Sciences), Dr A. A. Mikhailov (U. S. S. R. Academy of Sciences), Prof. A. E. Ringwood (Australian National Univer sity) and Prof. H. C. U rey (University of California). The Local Organizing Committee included Prof. S. K. Runcorn (Chairman), Dr G. Fielder, Prof. W. R. Hindmarsh, Prof. Z. Kopal and Prof. W. H. McCrea. This book includes the majority of papers presented at this the second IAU Sym posium on The Moon: comparison with the previous IAU Symposium on The Moon held in Leningrad, a decade earlier, makes clear the great advances made possible in our knowledge of the Moon and solar system by space technology. Academician A. A. 492 pp. Englisch.…

Condizione: New. Print on Demand pp. 492 49:B&W 6.14 x 9.21 in or 234 x 156 mm (Royal 8vo) Perfect Bound on White w/Gloss Lam.

Condizione: New. PRINT ON DEMAND pp. 492.

Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Proceedings of Symposium No. 47 organized by the IAU held in Newcastle upon Tyne, England, March 22-26, 1971 I / Introduction.- Report by the Chairman.- II / Scientific Papers.- A. Lunar Mechanics.- 1. Dynamics of the Moon.- 2. On the Inclination of th.…