Author: Ernest Rutherford
Publisher:
ISBN:
Category : Actinium
Languages : en
Pages : 948

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Author: Alexander Smith Russell
Publisher:
ISBN:
Category : Actinium
Languages : en
Pages : 25

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Author: Groves Howard Cartledge
Publisher:
ISBN:
Category : Thorium
Languages : en
Pages : 24

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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This report describes the identification of radionuclides in the uranium, actinium, and thorium series by analysis of gamma spectra in the energy range of 40 to 1400 keV. Energies and absolute efficiencies for each gamma line were measured by means of a high-resolution germanium detector and compared with those in the literature. A gamma spectroscopy method, which utilizes an on-line computer for deconvolution of spectra, search and identification of each line, and estimation of activity for each radionuclide, was used to analyze soil and uranium tailings, and ore.

Author: John Buchanan
Publisher:
ISBN:
Category : Graphite
Languages : en
Pages : 38

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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A system for the reduction of the complex gamma spectra of nuclides in the uranium, actinium, and thorium series, tailored to calculation of line intensities, analyses of errors, and identification of nuclides is described. This system provides an efficient technique for characterizing contamination in the environs of uranium mines and mills. Identification of the nuclides and calculation of their concentrations require accurate knowledge of gamma energies and absolute quantum intensities. For some spectral lines, there are no reported measurements of absolute quantum intensities and in some cases where reports are available the measured intensities are not in agreement. In order to improve this data base, the spectra of gamma rays (of nuclides in the uranium and actinium series) with energies between 40 and 1400 keV were measured using high-resolution germanium detectors. A brief description of the spectroscopy system, computational algorithms for deconvolution, and methods of calibration for energy and efficiency, are described. The measured energies and absolute quantum intensities are compared with those reported in the literature.

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 101

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Author: Ernest Rutherford
Publisher: Routledge
ISBN: 1317698894
Category : History
Languages : en
Pages : 619

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This is the second of three volumes which together contain the complete range of Lord Rutherford’s scientific papers, incorporating in addition addresses, general lectures, letters to editors, accounts of his scientific work and personal recollections by friends and colleagues. Volume two, first published in 1963, includes the papers published by Rutherford when professor of Physics at Manchester, 1907 to 1919. While the work of his laboratory ranged over the whole field of radioactivity, he himself devoted much effort to questions concerning the nature and properties of the α particle. Consideration of the scattering of α particles led him to the second of his outstanding achievements, the conception of the nuclear structure of the atom, which opened up a new era in Physics. In each volume can be found photographs of Rutherford and his collaborators, multiple graphs, tables, diagrams and charts, and also pictures of the original apparatus which is of historic interest.

Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 1862

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 838

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