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Author : Elmar R. Reiter
Publisher : Unknown
Page : 628 pages
File Size : 49,8 Mb
Release : 1969
Category : Dynamic meteorology
ISBN : UCR:31210004960629
Author : Elmar R. Reiter
Publisher : Unknown
Page : 128 pages
File Size : 52,8 Mb
Release : 1972
Category : Electronic
ISBN : OCLC:630850233
Author : Elmar R. Reiter
Publisher : Unknown
Page : 212 pages
File Size : 53,8 Mb
Release : 1972
Category : Electronic
ISBN : OCLC:439462783
Author : Klaus Froehlich
Publisher : Elsevier Science
Page : 432 pages
File Size : 41,6 Mb
Release : 2009-11-05
Category : Science
ISBN : 0080438733
Environmental Radionuclides presents a state-of-the-art summary of knowledge on the use of radionuclides to study processes and systems in the continental part of the Earth's environment. It is conceived as a companion to the two volumes of this series, which deal with isotopes as tracers in the marine environment (Livingston, Marine Radioactivity) and with the radioecology of natural and man-made terrestrial systems (Shaw, Radioactivity in Terrestrial Ecosystems). Although the book focuses on natural and anthropogenic radionuclides (radioactive isotopes), it also refers to stable environmental isotopes, which in a variety of applications, especially in hydrology and climatology, have to be consulted to evaluate radionuclide measurements in terms of the ages of groundwater and climate archives, respectively. The basic principles underlying the various applications of natural and anthropogenic radionuclides in environmental studies are described in the first part of the book. The book covers the two major groups of applications: the use of radionuclides as tracers for studying transport and mixing processes: and as time markers to address problems of the dynamics of such systems, manifested commonly as the so-called residence time in these systems. The applications range from atmospheric pollution studies, via water resource assessments to contributions to global climate change investigation. The third part of the book addresses new challenges in the development of new methodological approaches, including analytical methods and fields of applications. A state-of-the-art summary of knowledge on the use of radionuclides Conceived as a companion to the two volumes of this series, which deal with isotopes as tracers
Author : Jody H. Heiken
Publisher : William Andrew
Page : 392 pages
File Size : 46,9 Mb
Release : 1986
Category : Science
ISBN : UOM:39015010490236
Author : Elmar R. Reiter
Publisher : Unknown
Page : 632 pages
File Size : 48,7 Mb
Release : 1969
Category : Dynamic meteorology
ISBN : UCSD:31822003705407
Author : Elmar R. Reiter
Publisher : Unknown
Page : 392 pages
File Size : 40,5 Mb
Release : 1971
Category : Dynamic meteorology
ISBN : UOM:39015095161744
Author : Elmar R. Reiter
Publisher : Unknown
Page : 236 pages
File Size : 52,9 Mb
Release : 1969
Category : Dynamic meteorology
ISBN : UCSD:31822000623132
Author : U.S. Atomic Energy Commission
Publisher : Unknown
Page : 158 pages
File Size : 41,8 Mb
Release : 1973
Category : Power resources
ISBN : UCAL:B3920274
Author : Smithsonian Science Information Exchange
Publisher : Unknown
Page : 1472 pages
File Size : 41,6 Mb
Release : 1972
Category : Environmental protection
ISBN : OSU:32435027850288
Author : Oak Ridge National Laboratory
Publisher : Unknown
Page : 1336 pages
File Size : 50,7 Mb
Release : 1976
Category : Power resources
ISBN : STANFORD:36105119657075
Author : J.R. Twining
Publisher : Newnes
Page : 365 pages
File Size : 46,8 Mb
Release : 2012-12-31
Category : Science
ISBN : 9780080914305
Tropical Radioecology is a guide to the wide range of scientific practices and principles of this multidisciplinary field. It brings together past and present studies in the tropical and sub-tropical areas of the planet, highlighting the unique aspects of tropical systems. Until recently, radioecological models for tropical environments have depended upon data derived from temperate environments, despite the differences of these regions in terms of biota and abiotic conditions. Since radioactivity can be used to trace environmental processes in humans and other biota, this book offers examples of studies in which radiotracers have been used to assess biokinetics in tropical biota. Features chapters, co-authored by world experts, that explain the origins, inputs, distribution, behaviour, and consequences of radioactivity in tropical and subtropical systems. Provides comprehensive lists of relevant data and identifies current knowledge gaps to allow for targeted radioecological research in the future. Integrates radioecological information into the most recent radiological consequences modelling and best-practice probabilistic ecological risk analysis methodology, given the need to understand the implications of enhanced socio-economic development in the world’s tropical regions.
Author : Sven Erik Jørgensen
Publisher : Academic Press
Page : 480 pages
File Size : 41,7 Mb
Release : 2010-04-16
Category : Science
ISBN : 0444536272
Global Ecology focuses on the perception of the biosphere or the ecosphere as a unified cooperative system with numerous synergistic effects, which describe the distinctive properties of this sphere. This book is subdivided into five parts dealing with diverse aspects in global ecology. The first part of the book provides comprehensive description of the biosphere, including its unique characteristics and evolution. This part also describes various spheres in the biosphere, such as the hydrosphere, noosphere, and pedosphere as well as their composition. The next part focuses on the global cycles, including calcium, carbon, iron, microbial nitrogen, oxygen, phosphorus, sulfur, and water cycles. In addition, global balances and flows are explained. Presented in the third part are the results of the global cycles and flows as well as the patterns of the climatic factors and marine currents. There is also a part discussing the climate interactions, climatic changes, and its effect on the living organisms. The book concludes by covering the application of stoichiometry in the biosphere and in ecosystems. The book offers a comprehensive view of global ecology and ecological stoichiometry, which will aid in the processes of global ecology. Provides an overview of the theory and application of global ecology International focus and range of ecosystems makes Global Ecology an indispensable resource to scientists Based on the bestselling Encyclopedia of Ecology Full-color figures and tables support the text and aid in understanding
Author : National Academies of Sciences, Engineering, and Medicine,Division on Earth and Life Studies,Nuclear and Radiation Studies Board,Committee on State of Molybdenum-99 Production and Utilization and Progress Toward Eliminating Use of Highly Enriched Uranium
Publisher : National Academies Press
Page : 264 pages
File Size : 48,8 Mb
Release : 2016-11-28
Category : Medical
ISBN : 9780309445313
The decay product of the medical isotope molybdenum-99 (Mo-99), technetium-99m (Tc-99m), and associated medical isotopes iodine-131 (I-131) and xenon-133 (Xe-133) are used worldwide for medical diagnostic imaging or therapy. The United States consumes about half of the world's supply of Mo-99, but there has been no domestic (i.e., U.S.-based) production of this isotope since the late 1980s. The United States imports Mo-99 for domestic use from Australia, Canada, Europe, and South Africa. Mo-99 and Tc-99m cannot be stockpiled for use because of their short half-lives. Consequently, they must be routinely produced and delivered to medical imaging centers. Almost all Mo-99 for medical use is produced by irradiating highly enriched uranium (HEU) targets in research reactors, several of which are over 50 years old and are approaching the end of their operating lives. Unanticipated and extended shutdowns of some of these old reactors have resulted in severe Mo-99 supply shortages in the United States and other countries. Some of these shortages have disrupted the delivery of medical care. Molybdenum-99 for Medical Imaging examines the production and utilization of Mo-99 and associated medical isotopes, and provides recommendations for medical use.
Author : Anonim
Publisher : Unknown
Page : 1024 pages
File Size : 44,6 Mb
Release : 1969
Category : Isotopes
ISBN : OSU:32435022884340
