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Author: Robert S. Ondrejcin
Publisher:
ISBN:
Category : Isotope dilution analysis
Languages : en
Pages : 20
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Book Description
Integral diffusion coefficients, viscosities, densities, and surface tensions were measured for the aqueous uranyl nitrate - nitric acid - aluminum nitrate system. The variation of the uranium diffusion coefficient was determined as a function of uranium concentration, nitric acid concentration, and temperature.
Author: Robert S. Ondrejcin
Publisher:
ISBN:
Category : Isotope dilution analysis
Languages : en
Pages : 20
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Book Description
Integral diffusion coefficients, viscosities, densities, and surface tensions were measured for the aqueous uranyl nitrate - nitric acid - aluminum nitrate system. The variation of the uranium diffusion coefficient was determined as a function of uranium concentration, nitric acid concentration, and temperature.
Author: Allan S. Krass
Publisher: Routledge
ISBN: 100020054X
Category : Political Science
Languages : en
Pages : 325
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Book Description
Originally published in 1983, this book presents both the technical and political information necessary to evaluate the emerging threat to world security posed by recent advances in uranium enrichment technology. Uranium enrichment has played a relatively quiet but important role in the history of efforts by a number of nations to acquire nuclear weapons and by a number of others to prevent the proliferation of nuclear weapons. For many years the uranium enrichment industry was dominated by a single method, gaseous diffusion, which was technically complex, extremely capital-intensive, and highly inefficient in its use of energy. As long as this remained true, only the richest and most technically advanced nations could afford to pursue the enrichment route to weapon acquisition. But during the 1970s this situation changed dramatically. Several new and far more accessible enrichment techniques were developed, stimulated largely by the anticipation of a rapidly growing demand for enrichment services by the world-wide nuclear power industry. This proliferation of new techniques, coupled with the subsequent contraction of the commercial market for enriched uranium, has created a situation in which uranium enrichment technology might well become the most important contributor to further nuclear weapon proliferation. Some of the issues addressed in this book are: A technical analysis of the most important enrichment techniques in a form that is relevant to analysis of proliferation risks; A detailed projection of the world demand for uranium enrichment services; A summary and critique of present institutional non-proliferation arrangements in the world enrichment industry, and An identification of the states most likely to pursue the enrichment route to acquisition of nuclear weapons.
Author: Government Publishing Office
Publisher: U.S. Government Printing Office
ISBN: 9781411341043
Category :
Languages : en
Pages : 0
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Book Description
This illustrated report is published annually to furnish estimates covering nonfuel mineral industry data. Data sheets contain information on the domestic industry structure, Government programs, tariffs, and 5-year salient statistics for more than 90 individual minerals and materials. Each chapter includes information on events, trends, and issues for each mineral commodity, as well as discussions and tabular presentations on domestic industry structure. Maps, charts, presentations, tables, and graphs are included throughout this text. Geoscientists, petroleum engineers, global community traders, construction industry engineering executives soil scientists, miners, economists, trade brokers specializing in mineral commodities and imports/exports, mineral manufacturers, statistical professionals, and American citizens may be interested in this updated historical reference. Students pursuing coursework for a Bachelor of Science or advanced degree in environmental science, geosciences, or geology may be interested in this volume for research. It is highly recommended that academic libraries with geology and mining engineering programs, special libraries within these fields, and public libraries place an updated annual copy of this primary source work in their business/economic and reference collections. Related collections: Minerals & Metals resources collection is available here: https://bookstore.gpo.gov/catalog/minerals-metals Environmental Protection & Conservation collection can be found here: https://bookstore.gpo.gov/catalog/environmental-protection-conservation Engineering: https://bookstore.gpo.gov/catalog/engineering Economic Indicators: https://bookstore.gpo.gov/catalog/economic-indicators
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309130395
Category : Medical
Languages : en
Pages : 220
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Book Description
This book is the product of a congressionally mandated study to examine the feasibility of eliminating the use of highly enriched uranium (HEU2) in reactor fuel, reactor targets, and medical isotope production facilities. The book focuses primarily on the use of HEU for the production of the medical isotope molybdenum-99 (Mo-99), whose decay product, technetium-99m3 (Tc-99m), is used in the majority of medical diagnostic imaging procedures in the United States, and secondarily on the use of HEU for research and test reactor fuel. The supply of Mo-99 in the U.S. is likely to be unreliable until newer production sources come online. The reliability of the current supply system is an important medical isotope concern; this book concludes that achieving a cost difference of less than 10 percent in facilities that will need to convert from HEU- to LEU-based Mo-99 production is much less important than is reliability of supply.
Author: Ingmar Grenthe
Publisher: Elsevier Science & Technology
ISBN:
Category : Science
Languages : en
Pages : 744
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Book Description
This volume provides a comprehensive overview on the chemical thermodynamics of those elements that are of particular importance in the safety assessment of radioactive waste disposal systems. This is the first volume in a series of critical reviews to be published on this subject. The book provides an extensive compilation of chemical thermodynamic data for uranium. A description of procedures for activity corrections and uncertainty estimates is given. A critical discussion of data needed for nuclear waste management assessments, including areas where significant gaps of knowledge exist is presented. A detailed inventory of chemical thermodynamic data for inorganic compounds and complexes of uranium is listed. Data and their uncertainty limits are recommended for 74 aqueous complexes and 199 solid and 31 gaseous compounds containing uranium, and on 52 aqueous and 17 solid auxiliary species containing no uranium. The data are internally consistent and compatible with the CODATA Key Values. The book contains a detailed discussion of procedures used for activity factor corrections in aqueous solution, as well as including methods for making uncertainty estimates.
Author: International Atomic Energy Agency
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 384
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Book Description
The purpose of this publication is to update and expand the first edition, which was published in 1983, and to report on later advances in uranium ore processing. It includes background information about the principles of the unit operations used in uranium ore processing and summarizes the current state of the art. Extensive references provide sources for specific technological details.
Author:
Publisher: Organization for Economic
ISBN: 9789264178038
Category : Medical
Languages : en
Pages : 488
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Book Description
In the wake of the Fukushima Daiichi nuclear power plant accident, questions are being raised about the future of the uranium market, including as regards the number of reactors expected to be built in the coming years, the amount of uranium required to meet forward demand, the adequacy of identified uranium resources to meet that demand and the ability of the sector to meet reactor requirements in a challenging investment climate. This 24th edition of the "Red Book", a recognised world reference on uranium jointly prepared by the OECD Nuclear Energy Agency and the International Atomic Energy Agency, provides analyses and information from 42 producing and consuming countries in order to address these and other questions. It offers a comprehensive review of world uranium supply and demand as well as data on global uranium exploration, resources, production and reactor-related requirements. It also provides substantive new information on established uranium production centres around the world and in countries developing production centres for the first time. Projections of nuclear generating capacity and reactor-related requirements through 2035, incorporating policy changes following the Fukushima accident, are also featured, along with an analysis of long-term uranium supply and demand issues
Author: International Atomic Energy Agency
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 374
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Book Description
Author:
Publisher:
ISBN:
Category : Environmental impact analysis
Languages : en
Pages : 196
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Book Description
This report presents the findings of the first-ever international assessment of the environmental impact of depleted uranium (DU) when used in a real conflict situation. Following the confirmation by NATO that DU had been used during the Kosovo conflict, the United Nations Environment Program organized a scientific field mission to investigate the possible environmental consequences. This report presents its findings and conclusions on the presence and extent of DU contamination at the areas studied, the corresponding risks to the environment, and possible mitigation actions.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309087228
Category : Science
Languages : en
Pages : 124
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Book Description
The production of nuclear materials for the national defense was an intense, nationwide effort that began with the Manhattan Project and continued throughout the Cold War. Now many of these product materials, by-products, and precursors, such as irradiated nuclear fuels and targets, have been declared as excess by the Department of Energy (DOE). Most of this excess inventory has been, or will be, turned over to DOE's Office of Environmental Management (EM), which is responsible for cleaning up the former production sites. Recognizing the scientific and technical challenges facing EM, Congress in 1995 established the EM Science Program (EMSP) to develop and fund directed, long-term research that could substantially enhance the knowledge base available for new cleanup technologies and decision making. The EMSP has previously asked the National Academies' National Research Council for advice for developing research agendas in subsurface contamination, facility deactivation and decommissioning, high-level waste, and mixed and transuranic waste. For this study the committee was tasked to provide recommendations for a research agenda to improve the scientific basis for DOE's management of its high-cost, high-volume, or high-risk excess nuclear materials and spent nuclear fuels. To address its task, the committee focused its attention on DOE's excess plutonium-239, spent nuclear fuels, cesium-137 and strontium-90 capsules, depleted uranium, and higher actinide isotopes.
