Icrp Publication 47
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Icrp Publication 47
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Author : ICRP,
language : en
Publisher: SAGE Publications Limited
Release Date : 2014-02-14
Icrp Publication 47 written by ICRP, and has been published by SAGE Publications Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-02-14 with Science categories.
The purpose of this report is to describe the principles and applications of methods by which radiation hazards may be controlled in mines. Although primarily directed to the uranium mining industry, the information presented in this report may be applied in varying degree to all mines. Miners are exposed to airborne radon, thoron, and their short-lived decay products, to ore dust and, in some mines (particularly uranium and thorium mines) to external gamma and beta radiations. In general, the short-lived radon decay products present the dominant radiation risk. Radon is a member of the decay chain of uranium which makes up about 3 ppm of the earth’s crust. Consequently, radon is not limited to mines; it occurs everywhere, outdoors in usually low concentrations and indoors in higher concentrations. In underground mines, the concentration of these radioactive contaminants, in the absence of adequate control measures, can reach relatively high values. The scope of this report excludes the treatment of the other hazards, mechanical and toxic, that are characteristic of all mining operations. However, the protective measures developed to control radiation exposures may influence the situation regarding other hazards.
Radiation Exposure And Occupational Risks
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Author : Eberhard Scherer
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Radiation Exposure And Occupational Risks written by Eberhard Scherer and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
The aim of radiation protection standards is to make the radiation workplace as safe as is humanly possible. The gradual evolution over the last 20 years has been towards a more precise definition of the limits for occupational exposure. These have been created not only in terms of short-term effects but also more importantly in terms of long-term risks involving such problems as the potential for carcinogenesis and genetic change. In the United States the National Committee for Radiation Protection has recom mended that 5 rems (50 mSv) should remain as the maximum permissible dose equiva lent for total body exposure. This would represent the sum of internal and external ex posure and should be regarded as the upper limit allowed. The community of radiation users is required to conduct its operations in such a man ner that the absolute value of the individual's dose equivalent in rems does not exceed his age in years. There should be additional limits for tissues and organs based on short term effects. Therefore, individual organs are limited to dose equivalents low enough to ensure that the dose threshold values are not exceeded.
Evaluation Of Guidelines For Exposures To Technologically Enhanced Naturally Occurring Radioactive Materials
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 1999-01-25
Evaluation Of Guidelines For Exposures To Technologically Enhanced Naturally Occurring Radioactive Materials written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-01-25 with Political Science categories.
Naturally occurring radionuclides are found throughout the earth's crust, and they form part of the natural background of radiation to which all humans are exposed. Many human activities-such as mining and milling of ores, extraction of petroleum products, use of groundwater for domestic purposes, and living in houses-alter the natural background of radiation either by moving naturally occurring radionuclides from inaccessible locations to locations where humans are present or by concentrating the radionuclides in the exposure environment. Such alterations of the natural environment can increase, sometimes substantially, radiation exposures of the public. Exposures of the public to naturally occurring radioactive materials (NORM) that result from human activities that alter the natural environment can be subjected to regulatory control, at least to some degree. The regulation of public exposures to such technologically enhanced naturally occurring radioactive materials (TENORM) by the US Environmental Protection Agency (EPA) and other regulatory and advisory organizations is the subject of this study by the National Research Council's Committee on the Evaluation of EPA Guidelines for Exposures to Naturally Occurring Radioactive Materials.
Handbook On Radiation Environment Volume 2
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Author : Dinesh Kumar Aswal
language : en
Publisher: Springer Nature
Release Date :
Handbook On Radiation Environment Volume 2 written by Dinesh Kumar Aswal and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Radiation Protection In Nuclear Medicine
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Author : Sören Mattsson
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-09-13
Radiation Protection In Nuclear Medicine written by Sören Mattsson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-09-13 with Medical categories.
This book explains clearly and in detail all aspects of radiation protection in nuclear medicine, including measurement quantities and units, detectors and dosimeters, and radiation biology. Discussion of radiation doses to patients and to embryos, fetuses, and children forms a central part of the book. Phantom models, biokinetic models, calculations, and software solutions are all considered, and a further chapter is devoted to quality assurance and reference levels. Occupational exposure also receives detailed attention. Exposure resulting from the production, labeling, and injection of radiopharmaceuticals and from contact with patients is discussed and shielding calculations are explained. The book closes by considering exposure of the public and summarizing the "rules of thumb" for radiation protection in nuclear medicine. This is an ideal textbook for students and a ready source of useful information for nuclear medicine specialists and medical physics experts.
Advances In The Diagnosis Of Coronary Atherosclerosis
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Author : Suna Kirac
language : en
Publisher: BoD – Books on Demand
Release Date : 2011-11-09
Advances In The Diagnosis Of Coronary Atherosclerosis written by Suna Kirac and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-11-09 with Medical categories.
Coronary artery disease (CAD) and its consequences are most important morbidity and mortality reasons in the developed and developing countries. To prevent hard end-points, early definitive diagnosis and optimum therapy play significant role. Novel advanced diagnostic tests which are biomarkers of inflammation, cell adhesion, cell activation and imaging techniques provide to get the best result in the detection and characterization of calcified or uncalcified atherosclerotic plaques. In spite of last developments in the imaging methods, coronary catheterization is still frequently performed. Following the first cardiac catheterization performed in 1844, date by date historical developments and the mechanics of cardiac catheterization techniques, risks associated with coronary angiography, and also, preventions and treatments of possible complications have been presented in this book. Other important issue is radiation exposure of patients and staff during coronary angiography and scintigraphy. Radiation dose reduction techniques, general radiation protection principles have been discussed in related chapters.
Annual Limits On Intake Of Radionuclides By Workers Based On The 1990 Recommendations
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Author : International Commission on Radiological Protection. Committee 2
language : en
Publisher: Elsevier Science & Technology
Release Date : 1991
Annual Limits On Intake Of Radionuclides By Workers Based On The 1990 Recommendations written by International Commission on Radiological Protection. Committee 2 and has been published by Elsevier Science & Technology this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Medical categories.
Ethics And Medical Radiological Imaging
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Author :
language : en
Publisher: World Health Organization
Release Date : 2022-04-11
Ethics And Medical Radiological Imaging written by and has been published by World Health Organization this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-04-11 with Science categories.
Radiological Protection Of The Worker In Medicine And Dentistry
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Author : International Commission on Radiological Protection. Committee 3
language : en
Publisher:
Release Date : 1990
Radiological Protection Of The Worker In Medicine And Dentistry written by International Commission on Radiological Protection. Committee 3 and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Medical personnel categories.
Advanced Radiation Protection Dosimetry
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Author : Shaheen Dewji
language : en
Publisher: CRC Press
Release Date : 2019-04-02
Advanced Radiation Protection Dosimetry written by Shaheen Dewji and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-02 with Science categories.
Although many radiation protection scientists and engineers use dose coefficients, few know the origin of those dose coefficients. This is the first book in over 40 years to address the topic of radiation protection dosimetry in intimate detail. Advanced Radiation Protection Dosimetry covers all methods used in radiation protection dosimetry, including advanced external and internal radiation dosimetry concepts and regulatory applications. This book is an ideal reference for both scientists and practitioners in radiation protection and students in graduate health physics and medical physics courses. Features: A much-needed book filling a gap in the market in a rapidly expanding area Contains the history, evolution, and the most up-to-date computational dosimetry models Authored and edited by internationally recognized authorities and subject area specialists Interrogates both the origins and methodologies of dose coefficient calculation Incorporates the latest international guidance for radiation dosimetry and protection