Icrp Publication 145 PDF Download
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| Author | : ICRP |
| Publisher | : |
| Total Pages | : |
| Release | : 2020-07-29 |
| Genre | : |
| ISBN | : 9781529742213 |
Download ICRP Publication 145 Book in PDF, ePub and Kindle
Following the issuance of new radiological protection recommendations in Publication 103 (ICRP, 2007), the Commission released, in Publication 110 (ICRP, 2009), the adult male and female voxel-type reference computational phantoms to be used for the calculation of the reference dose coefficients for both external and internal exposures. While providing more anatomically realistic representations of internal anatomy than the older stylised phantoms, the voxel phantoms have their limitations, mainly due to voxel resolution, especially with respect to small tissue structures (e.g. lens of the eye) and very thin tissue layers (e.g. stem cell layers in the stomach wall mucosa and intestinal epithelium).This report describes the construction of the adult mesh-type reference computational phantoms (MRCPs) that are the modelling counterparts of the Publication 110 voxel-type reference computational phantoms. The MRCPs include all source and target regions needed for estimating effective dose, even the μm-thick target regions in the respiratory and alimentary tract, skin, and urinary bladder, assimilating the supplemental stylised models. The MRCPs can be directly implemented into Monte Carlo particle transport codes for dose calculations, i.e. without voxelisation, fully maintaining the advantages of the mesh geometry.
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 2019 |
| Genre | : Radiation |
| ISBN | : 9781944888190 |
Download Radiation Protection in Dentistry and Oral & Maxillofacial Imaging Book in PDF, ePub and Kindle
"The purpose of this Report is to enhance radiation safety in dentistry and to reinforce published, well-known dose-reduction methods that are not yet being widely applied in the day-to-day practice of dentistry. The technological advances since NCRP Report No. 145 require changing attitudes and practices of dentists because opportunities are now available for decreasing radiation doses while maintaining or improving diagnostic efficacy. This Report updates the information in NCRP Report No.145, adds new content on digital imaging, handheld x-ray devices, and CBCT, and makes recommendations for reducing patient radiation doses while maintaining or improving image quality, all in the context of the ALARA principle"--
| Author | : ICRP, |
| Publisher | : SAGE Publications Limited |
| Total Pages | : 0 |
| Release | : 2010-05-26 |
| Genre | : Science |
| ISBN | : 9780702041860 |
Download ICRP Publication 110 Book in PDF, ePub and Kindle
This report describes the development and intended use of the computational phantoms of the Reference Male and Reference Female. In its 2007 Recommendations, ICRP adopted these computational phantoms for forthcoming updates of organ dose coefficients for both internal and external radiation sources (ICRP, 2007). The phantoms are based on medical image data of real people, yet are consistent with the data given in Publication 89 (ICRP, 2002) on the reference anatomical and physiological parameters for both male and female subjects. The reference phantoms are constructed after modifying the voxel models (Golem and Laura) of two individuals whose body height and mass resembled the reference data. The organ masses of both models were adjusted to the ICRP data on the adult Reference Male and Reference Female, without compromising their anatomic realism. This report describes the methods used for this process and the characteristics of the resulting computational phantoms. To access the CD material please click here
| Author | : ICRP, |
| Publisher | : SAGE Publications Limited |
| Total Pages | : 0 |
| Release | : 2016-04-18 |
| Genre | : Science |
| ISBN | : 9781473944404 |
Download ICRP Publication 130 Book in PDF, ePub and Kindle
| Author | : Dinesh Kumar Aswal |
| Publisher | : Springer Nature |
| Total Pages | : 776 |
| Release | : |
| Genre | : |
| ISBN | : 9819727995 |
Download Handbook on Radiation Environment, Volume 2 Book in PDF, ePub and Kindle
| Author | : National Research Council |
| Publisher | : National Academies |
| Total Pages | : 436 |
| Release | : 1990-02-01 |
| Genre | : Science |
| ISBN | : 0309039959 |
Download Health Effects of Exposure to Low Levels of Ionizing Radiation Book in PDF, ePub and Kindle
This book reevaluates the health risks of ionizing radiation in light of data that have become available since the 1980 report on this subject was published. The data include new, much more reliable dose estimates for the A-bomb survivors, the results of an additional 14 years of follow-up of the survivors for cancer mortality, recent results of follow-up studies of persons irradiated for medical purposes, and results of relevant experiments with laboratory animals and cultured cells. It analyzes the data in terms of risk estimates for specific organs in relation to dose and time after exposure, and compares radiation effects between Japanese and Western populations.
| Author | : United States. Public Health Service. Office of the Surgeon General |
| Publisher | : |
| Total Pages | : 728 |
| Release | : 2010 |
| Genre | : Government publications |
| ISBN | : |
Download How Tobacco Smoke Causes Disease Book in PDF, ePub and Kindle
This report considers the biological and behavioral mechanisms that may underlie the pathogenicity of tobacco smoke. Many Surgeon General's reports have considered research findings on mechanisms in assessing the biological plausibility of associations observed in epidemiologic studies. Mechanisms of disease are important because they may provide plausibility, which is one of the guideline criteria for assessing evidence on causation. This report specifically reviews the evidence on the potential mechanisms by which smoking causes diseases and considers whether a mechanism is likely to be operative in the production of human disease by tobacco smoke. This evidence is relevant to understanding how smoking causes disease, to identifying those who may be particularly susceptible, and to assessing the potential risks of tobacco products.
| Author | : Aenor Sawyer |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 234 |
| Release | : 2007-11-06 |
| Genre | : Medical |
| ISBN | : 1597452114 |
Download Bone Densitometry in Growing Patients Book in PDF, ePub and Kindle
Bone Densitometry in Growing Patients: Guidelines for Clinical Practice, edited by Drs. Sawyer, Bachrach, and Fung, is a milestone book for all health prof- sionals concerned with bone health in growing patients. The book introduces and emphasizes the importance of attending to issues of bone health and development in childhood and adolescence as a way of maintaining such health and decreasing the epidemic of osteoporosis that we are now seeing in older adults. In doing so, the book offers a much-needed first set of standards of bone densitometry in growing patients. Given the numerous reports of serious interpretation errors in densitometry results in children, the development of this body of work is truly important. It is in this context that Bone Densitometry in Growing Patients: Guidelines for Clinical Practice presents the current evidence, including an assessment of the strengths and weaknesses in the data on assessing bone density in childhood and adolescence. In short, the editors and authors have done an outstanding job of or- nizing not only the key topics in this broad clinical discussion, but also, and most importantly, the evidence within these areas.
| Author | : International Atomic Energy Agency |
| Publisher | : IAEA |
| Total Pages | : 704 |
| Release | : 2005 |
| Genre | : Business & Economics |
| ISBN | : |
Download Radiation Oncology Physics Book in PDF, ePub and Kindle
This publication is aimed at students and teachers involved in teaching programmes in field of medical radiation physics, and it covers the basic medical physics knowledge required in the form of a syllabus for modern radiation oncology. The information will be useful to those preparing for professional certification exams in radiation oncology, medical physics, dosimetry or radiotherapy technology.
| Author | : United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) |
| Publisher | : United Nations |
| Total Pages | : 512 |
| Release | : 2017-04-25 |
| Genre | : Political Science |
| ISBN | : 9210600029 |
Download Sources, Effects and Risks of Ionizing Radiation, United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) 2016 Report Book in PDF, ePub and Kindle
This report assesses the levels and effects of exposure to ionizing radiation. Scientific findings underpin radiation risk evaluation and international protection standards. This report comprises a report with two underpinning scientific annexes. The first annex recapitulates and clarifies the philosophy of science as well as the scientific knowledge for attributing observed health effects in individuals and populations to radiation exposure, and distinguishes between that and inferring risk to individuals and populations from an exposure. The second annex reviews the latest thinking and approaches to quantifying the uncertainties in assessments of risk from radiation exposure, and illustrates these approaches with application to examples that are highly pertinent to radiation protection.
