Investigation of the neutron contribution in the 6 MeV to 7 MeV high energy photon reference field.

abstract：:The use of geometrical phantoms for computed tomography (CT) dosimetry can incur errors in the calculation of effective dose due to the anatomically incorrect organ shapes and distributions, and unrepresentative body dimensions. A Monte Carlo program that makes use of an anatomically correct voxel phantom has been dev...

journal_title：Radiation protection dosimetry

authors： Castellano IA,Dance DR,Evans PM

更新日期：2005-01-01 00:00:00

abstract：:The potential harmful effect of electromagnetic fields on human health is an important issue that has been widely discussed in the scientific community. The investigation of temperature rise in human body following exposure to electromagnetic fields has been found impractical in many aspects. Therefore, fabrication of...

journal_title：Radiation protection dosimetry

authors： Sorgucu U,Develi I,Ozen S

更新日期：2016-03-01 00:00:00

abstract：:This work aims to evaluate the potential risks of incidents in nuclear research reactors. For its development, two databases of the International Atomic Energy Agency (IAEA) were used: the Research Reactor Data Base (RRDB) and the Incident Report System for Research Reactor (IRSRR). For this study, the probabilistic s...

journal_title：Radiation protection dosimetry

authors： Lopes VM,Agostinho Angelo Sordi GM,Moralles M,Filho TM

更新日期：2012-06-01 00:00:00

abstract：:In this research, the effect of magnesium (Mg), copper (Cu) and phosphorus (P) impurities on dosimetry response of LiF:Mg,Cu,P phosphors is studied experimentally and by the simulation procedure. In the experimental procedure, LiF:Mg,Cu,P phosphors in the powder form were synthesised by chemical co-precipitation metho...

journal_title：Radiation protection dosimetry

authors： Mohammadi K,Khayat O,Afarideh H

更新日期：2016-01-01 00:00:00

abstract：:Entrance surface doses (ESDs) were measured for the most common types of X ray procedures, such as chest PA, lumber spine AP, lumber spine lateral, skull AP, skull lateral and pelvis AP in four major hospitals of Dhaka, the capital city of Bangladesh. Organ/tissue doses for 29 organs/tissues and effective doses for th...

journal_title：Radiation protection dosimetry

authors： Begum Z

更新日期：2001-01-01 00:00:00

abstract：:In 2000 and 2001 about 279 and 221 radiation workers, respectively, were monitored by the Federal Radiation Protection Service, University of Ibadan, in Nigeria. The distribution of the occupational doses shows that the majority of workers received doses below 4 mSv in each of the two years. The radiation workers in t...

journal_title：Radiation protection dosimetry

authors： Ogundare FO,Balogun FA

更新日期：2003-01-01 00:00:00

abstract：:During medical X-ray examinations of patients, humans as well as animals, voluntarily assisting persons are frequently needed in order to calm down the patient or animal. Typical exposure situations have been identified and measurements were performed in the fields of scattered X-rays. The personal dose equivalent H(p...

journal_title：Radiation protection dosimetry

authors： Hupe O,Ankerhold U

更新日期：2011-03-01 00:00:00

abstract：:Differences and similarities between LiF-based LiF:Mg,Ti and LiF:Mg,Cu,P are discussed, with respect to their dosimetric properties--sensitivity, non-linearity of dose response and heavy charged particle efficiency, as related to the concentration and the individual role of the Mg, Ti, Cu and P dopants. To study furth...

journal_title：Radiation protection dosimetry

authors： Bilski P

更新日期：2002-01-01 00:00:00

abstract：:Radionuclide concentrations of ²²⁶Ra, ²³²Th and ⁴⁰K in different types of building materials used in Egypt were measured using gamma-ray spectroscopy. The results showed relatively moderate radionuclide concentrations for all samples except granite, which showed extremely high concentrations of 78.75 ± 2.36, 2.82 ± 0....

journal_title：Radiation protection dosimetry

authors： Hassan NM,Mansour NA,Fayez-Hassan M

更新日期：2013-12-01 00:00:00

abstract：:Albedo dosemeters remain the most used dosemeters in neutron individual monitoring. In Brazil, most of the neutron occupational fields are from radionuclide sources, often without any moderation, where albedo dosemeters have poor energy response. The purpose of this work is to compare the HP(10) energy response of the...

journal_title：Radiation protection dosimetry

authors： Freitas BM,da Silva AX,Pereira WW,Mauricio CLP

更新日期：2018-08-01 00:00:00

abstract：:Soil 222Rn concentration, CO2 and CH4 flux measurements were conducted around the Jwalamukhi area of North-West Himalayas, India. During this study, around 37 soil gas points and flux measurements were taken with the aim to assure the suitability of this method in the study of fault zones. For this purpose, RAD 7 (Dur...

journal_title：Radiation protection dosimetry

authors： Kumar A,Walia V,Yang TF,Fu CC,Singh S,Bajwa BS,Arora V

更新日期：2016-10-01 00:00:00

abstract：:The present study aimed to record natural radionuclide content in branded food samples representative of a typical North Indian diet. Forty samples of various food items falling into three categories namely, cereal grains, pulses and beverages were collected from the local markets of Punjab. The radiometric analysis w...

journal_title：Radiation protection dosimetry

authors： Kaur S,Maheshwari P,Mehra R

更新日期：2020-07-17 00:00:00

abstract：:This study was conducted to assess the level of radioactivity and the radiation hazards associated with granite rocks used for construction of buildings. The measurement of radioactivity content of the rock samples was performed with gamma-spectrometry equipped with Nal (TI) detector. From the results obtained in this...

journal_title：Radiation protection dosimetry

authors： Fadol N,Idriss H,Salih I,Ragab NA,Osman S,Sam AK

更新日期：2018-06-01 00:00:00

abstract：:On the occasion of the 20th anniversary of the Chernobyl accident an attempt has been made to evaluate the impact of the Chernobyl accident on the global burden of human cancer in Europe. This required the estimation of radiation doses in each of the 40 European countries. Dose estimation was based on the analysis and...

journal_title：Radiation protection dosimetry

authors： Drozdovitch V,Bouville A,Chobanova N,Filistovic V,Ilus T,Kovacic M,Malátová I,Moser M,Nedveckaite T,Völkle H,Cardis E

更新日期：2007-01-01 00:00:00

abstract：:Potassium-40 constitutes the main natural source of potassium present in the body, which influences the effective dose received by people. With the aim of assessing the contribution of this component to the doses received by the Cuban population, a study intended to assess the doses was developed. For this purpose, a ...

journal_title：Radiation protection dosimetry

authors： Zerquera JT,Alonso MP,Bejerano GL,López JO,Rodríguez NA

更新日期：2003-01-01 00:00:00

abstract：:Material activation assessment of a proposed accelerator-based boron neutron capture therapy facility was performed using the FLUKA Monte Carlo code to quantify the magnitude of the problem in terms of the isotope inventories, induced activities, and residual dose rates. Two simplified operation scenarios were conside...

journal_title：Radiation protection dosimetry

authors： Lai BL,Sheu RJ

更新日期：2018-08-01 00:00:00

abstract：:The physics foundations of hadronic interactions as implemented in most Monte Carlo codes are presented together with a few practical examples. The description of the relevant physics is presented schematically split into the major steps in order to stress the different approaches required for the full understanding o...

journal_title：Radiation protection dosimetry

authors： Ferrari A,Sala PR

更新日期：2002-01-01 00:00:00

abstract：:Magnetic resonance imaging (MRI) is one of the most common sources of electromagnetic (EM) fields as a diagnostic technique widely used in medicine. MRI staff during the working day is constantly exposed to static and spatially heterogeneous magnetic field. Also, moving around the MRI room to perform their functions, ...

journal_title：Radiation protection dosimetry

authors： Hartwig V,Virgili G,Ferrante Vero LF,De Marchi D,Landini L,Giovannetti G

更新日期：2018-12-01 00:00:00

abstract：:The group of radiation victims who had received radiation injures similar to those of Chernobyl accident victims was evaluated in terms of retrospective cytogenetic biodosimetry in the long term period of from 17 y up to 50 y after irradiation. Based on the existing results of the long-term cytogenetic examination of ...

journal_title：Radiation protection dosimetry

authors： Nugis VY,Kozlova MG,Nadejina NM,Galstyan IA,Nikitina VA,Khvostunov IK,Golub EV

更新日期：2019-12-31 00:00:00

abstract：:The analysis of body elements using the prompt gamma rays neutron activation method is a very useful and highly accurate method Lone, M. A., Mughabghab, S. F. and Paviotti-Corcuera, R. Development of a database for prompt gamma-ray neutron activation analysis. Summary Report of the Second Research Coordination Meeting...

journal_title：Radiation protection dosimetry

authors： Araghian N,Rafat-Motavalli L,Miri-Hakimabad H

更新日期：2013-07-01 00:00:00

abstract：:The results of large-scale computed tomography (CT) patient dose surveys from the USA, UK and Germany undertaken during the period 1999-2001 were reviewed. The mean values for volume-weighted CT dose index (CTDI(vol)) and dose length product (DLP) were extracted. For head CT examinations, the reported values for the t...

journal_title：Radiation protection dosimetry

authors： Martin CJ,Huda W

更新日期：2013-01-01 00:00:00

abstract：:The objective of this discussion is to explore how theories from other disciplines can contribute to the debate on organisation and delivery of diagnostic and therapeutic exposures. The first part explores how theories of justice suggest that health services should be provided; the second part explores how stakeholder...

journal_title：Radiation protection dosimetry

authors： Durand-Zaleski I

更新日期：2009-07-01 00:00:00

abstract：:The variation of the response of the instruments with the neutron energy has to be determined in well-characterized monoenergetic neutron fields. The AMANDE facility will deliver such neutron fields between 2 keV and 20 MeV in an experimental hall designed with metallic walls for neutron scattering minimisation. The n...

journal_title：Radiation protection dosimetry

authors： Gressier V,Guerre-Chaley JF,Lacoste V,Lebreton L,Pelcot G,Pochat JL,Bolognese-Milstajn T,Champion D

更新日期：2004-01-01 00:00:00

abstract：:The Schauinsland inter-calibration facility (INTERCAL) has been designed to enable long-term comparison experiments for 20 different dose rate probes from different networks. Two reference probes characterised by the European Radiation Dosimetry WG3 inter-calibration experiments in 2008 and 2009 have been installed at...

journal_title：Radiation protection dosimetry

authors： Bleher M,Doll H,Harms W,Stöhlker U

更新日期：2014-08-01 00:00:00

abstract：:Individual genetic variation can influence susceptibility to the carcinogenic effects of many environmental carcinogens. In radiation-exposed populations those individuals with a greater genetically determined susceptibility would be at greater risk of developing cancer. To include this modification of risk into radia...

journal_title：Radiation protection dosimetry

authors： Rosemann M,Kuosaite V,Nathrath M,Atkinson MJ

更新日期：2002-01-01 00:00:00

abstract：:238U, 234U and 235U were determined in tap water from municipal water pipes that drew their supply from surface water or ground water in various locations in Poland. Average activity concentrations of 238U, 234U and 235U in tap water from surface water were 9.6 +/- 7.1, 12.8 +/- 9.7 and 0.41 +/- 0.31 Bq m(-3), respect...

journal_title：Radiation protection dosimetry

authors： Pietrzak-Flis Z,Kaminska I,Chrzanowski E

更新日期：2005-01-01 00:00:00

abstract：:The Health Physics Measurements Group at the Los Alamos National Laboratory (LANL) has initiated a study of neutron reference fields at selected US Department of Energy (DOE) calibration facilities. To date, field characterisation has been completed at five facilities. These fields are traceable to the National Instit...

journal_title：Radiation protection dosimetry

authors： Olsher RH,McLean TD,Mallett MW,Seagraves DT,Gadd MS,Markham RL,Murphy RO,Devine RT

更新日期：2007-01-01 00:00:00

abstract：:In this study, the total exposure due to signals within GSM 900, GSM 1800, CDMA-1900 and 3G-2100 frequency bands at 200 m from the foot of 120, 100 and 80 base station masts in the Nigerian cities of Lagos, Ibadan and Abuja, respectively, was assessed. A calibrated hand-held spectrum analyser was used to measure the l...

journal_title：Radiation protection dosimetry

authors： Ayinmode BO,Farai IP

更新日期：2020-12-31 00:00:00

abstract：:The neutron dose equivalent in aircraft is measured using commercial bubble detectors, but at high altitudes there are not only neutrons but also protons. Bubble detectors have been used because they are considered not to be sensitive to protons, but this has been the subject of only a few studies. In this study, by i...

journal_title：Radiation protection dosimetry

authors： Takada M,Kitamura H,Koi T,Nakamura T,Fujitaka K

更新日期：2004-01-01 00:00:00

abstract：:In 2011, a serious radiation accident occurred in Stamboliyski, Bulgaria, in an industrial sterilisation facility using very-high-activity (60)Co sources. For the five persons accidentally exposed, biological dosimetry based on dicentric analysis was performed in Sofia and in Paris, where the patients were transferred...

journal_title：Radiation protection dosimetry

authors： Grégoire E,Hadjidekova V,Hristova R,Gruel G,Roch-Lefevre S,Voisin P,Staynova A,Deleva S,Ainsbury EA,Lloyd DC,Barquinero JF

更新日期：2013-08-01 00:00:00