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Titolo:
Estimation of organ dose equivalents from residents of radiation-contaminated buildings with Rando phantom measurements
Autore:
Lee, JS; Dong, SL; Wu, TH;
Indirizzi:
Natl Yang Ming Univ, Inst Radiol Sci, Taipei 112, Taiwan Natl Yang Ming Univ Taipei Taiwan 112 nst Radiol Sci, Taipei 112, Taiwan Natl Tsing Hua Univ, Inst Atom Sci, Hsinchu 300, Taiwan Natl Tsing Hua Univ Hsinchu Taiwan 300 nst Atom Sci, Hsinchu 300, Taiwan
Titolo Testata:
APPLIED RADIATION AND ISOTOPES
fascicolo: 5, volume: 50, anno: 1999,
pagine: 867 - 873
SICI:
0969-8043(199905)50:5<867:EOODEF>2.0.ZU;2-X
Fonte:
ISI
Lingua:
ENG
Soggetto:
DOSIMETERS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Lee, JS Natlwanng Ming Univ, Inst Radiol Sci, 155 Li Nong St Sec 2, Taipei112, Tai Natl Yang Ming Univ 155 Li Nong St Sec 2 Taipei Taiwan 112 2, Tai
Citazione:
J.S. Lee et al., "Estimation of organ dose equivalents from residents of radiation-contaminated buildings with Rando phantom measurements", APPL RAD IS, 50(5), 1999, pp. 867-873

Abstract

Since August 1996, a dose reconstruction model has been conducted with thermoluminescent dosimeter (TLD)embedded chains, belts and badges for external dose measurements on the residents in radiation-contaminated buildings. The TLD dosimeters, worn on the front of the torso, would not be adequate for dose measurement in cases when the radiation is anisotropic or the incident angles of radiation sources are not directed in the front-to-back direction. The shielding and attenuation by the body would result in the dose equivalent estimation being somewhat skewed. An organ dose estimation method with a Rando phantom under various exposure geometries is proposed. The conversion factors, obtained from the phantom study, may be applicable to organdose estimations for residents in the contaminated buildings if the incident angles correspond to the phantom simulation results. There is a great demand for developing a mathematical model or Monte Carlo calculation to dealwith complicated indoor layout geometry problems involving ionizing radiation. Further research should be directed toward conducting laboratory simulation by investigating the relationship between doses delivered from multiple radiation sources. It is also necessary to collaborate with experimentalbiological dosimetry, such as chromosome aberration analysis, fluorescencein situ hybridization (FISH) and retrospective ESR-dosimetry with teeth, applied to the residents, so that the organ dose equivalent estimations may be more reliable for radio-epidemiological studies. (C) 1999 Elsevier Science Ltd. All rights reserved.

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Documento generato il 28/03/20 alle ore 23:25:31