The Design, Construction, and Characterization of a Facility for Neutron Capture Gamma Ray Analysis of Sulfur in Coal Using Californium-252 PDF Download
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Author: James Robert Layfield
Publisher:
ISBN:
Category :
Languages : en
Pages : 250
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Book Description
Author: James Robert Layfield
Publisher:
ISBN:
Category :
Languages : en
Pages : 250
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
A study of neutron capture gamma ray analysis of sulfur in coal using californium-252 as a neutron source is reported. Both internal and external target geometries are investigated. The facility designed for and used in this study is described. The external target geometry is found to be inappropriate because of the low thermal neutron flux at the sample location, which must be outside the biological shielding. The internal target geometry is found to have a sufficient thermal neutron flux, but an excessive gamma ray background. A water filled plastic facility, rather than the paraffin filled steel one used in this study, is suggested as a means of increasing flexibility and decreasing the beackground in the internal target geometry.
Author:
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ISBN:
Category : Power resources
Languages : en
Pages : 544
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Author: Jack T. Lewis
Publisher:
ISBN:
Category : Californium
Languages : en
Pages : 80
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Author: W. H. Shafer
Publisher: Springer Science & Business Media
ISBN: 1468442295
Category : Science
Languages : en
Pages : 311
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Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and dis seminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the ac tivity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volume were handled by an international publishing. house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 25 (thesis year 1980) a total of 10,308 theses titles from 27 Canadian and 214 United States universities. We are sure that this broader base for theses titles reported will greatly enhance the value of this important annual reference work. While Volume 25 reports theses submitted in 1980, on occasion, certain universities do report theses submitted in previous years but not reported at the time.
Author: Iowa. State College, Cedar Falls
Publisher:
ISBN:
Category : Humanities
Languages : en
Pages : 956
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Author:
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ISBN:
Category : Coal
Languages : en
Pages : 112
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Author: John Wilson Martin
Publisher:
ISBN:
Category : Coal
Languages : en
Pages : 14
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Author:
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ISBN:
Category : Nuclear energy
Languages : en
Pages : 1692
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Author:
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ISBN:
Category :
Languages : en
Pages :
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Book Description
Development of techniques of neutron-induced gamma spectrometry for non-invasive on-line instrumental analysis of coal for application to process streams in coal conversion plants is described. Using /sup 252/Cf sources and Ge(Li) detector based spectrometers, it appears feasible to monitor most of the elements in coal present in concentrations of 0.1 weight percent or more, including S, Fe, Si, Ca, Al, N, H, Ti, Cl, Na, K, and Mg. Correlations between gamma spectral response and element densities useful for quantitative analysis have been obtained for most of these elements. A substantially automated unattended laboratory prototype coal analyzer based on a /sup 252/Cf neutron source now continuously analyzes the gamma ray spectra from coal contained inside pipe-simulating cylindrical metal containers and prints out composition information on command. 15 figures.
