Optimisation of the body composition analyser using the gamma shield and improvement of accuracy using ORNL anthropomorphic phantoms.

abstract：:A Japanese adult male voxel (volume pixel) phantom (hereinafter referred to as the JM phantom) was constructed on the basis of CT images of a healthy Japanese adult male volunteer. Body characteristics of the JM phantom were compared with those of a voxelised MIRD5 type phantom and a Japanese adult male voxel phantom ...

journal_title：Radiation protection dosimetry

authors： Sato K,Noguchi H,Emoto Y,Koga S,Saito K

更新日期：2007-01-01 00:00:00

abstract：:The aim of this work was to experimentally compare the contrast improvement factors (CIFs) of a newly developed software-based scatter correction to the CIFs achieved by an antiscatter grid. To this end, three aluminium discs were placed in the lung, the retrocardial and the abdominal areas of a thorax phantom, and di...

journal_title：Radiation protection dosimetry

authors： Mentrup D,Jockel S,Menser B,Neitzel U

更新日期：2016-06-01 00:00:00

abstract：:Albedo neutron dosemeter is the German official personal neutron dosemeter in mixed radiation fields where neutrons contribute to personal dose. In deep geological repositories for high-level nuclear waste, where neutrons can dominate the radiation field, it is of interest to investigate the performance of albedo neut...

journal_title：Radiation protection dosimetry

authors： Pang B,Becker F

更新日期：2017-04-28 00:00:00

abstract：:Protons are the dominant particles both in galactic cosmic rays and in solar particle events and, furthermore, proton irradiation becomes increasingly used in tumour treatment. It is believed that complex DNA damage is the determining factor for the consequent cellular response to radiation. DNA plasmid pBR322 was irr...

journal_title：Radiation protection dosimetry

authors： Pachnerová Brabcová K,Štěpán V,Karamitros M,Karabín M,Dostálek P,Incerti S,Davídková M,Sihver L

更新日期：2015-09-01 00:00:00

abstract：:This work describes the dosimetry of a two waveguide cell system designed to expose newborn mice to electromagnetic fields associated with wireless fidelity signals in the frequency band of 2.45 GHz. The dosimetric characterisation of the exposure system was performed both numerically and experimentally. Specific meas...

journal_title：Radiation protection dosimetry

authors： Pinto R,Lopresto V,Galloni P,Marino C,Mancini S,Lodato R,Pioli C,Lovisolo GA

更新日期：2010-08-01 00:00:00

abstract：:Radon exposure in schools is different from that in dwellings because the residence pattern is very different each other. So, when effective dose is calculated in schools, different approach should be considered from in dwellings. The aim of this study was to estimate actual effective dose due to inhaled radon conside...

journal_title：Radiation protection dosimetry

authors： Lee ER,Chang BU,Kim YJ

更新日期：2018-04-01 00:00:00

abstract：:A widely used method in the planning of protective actions is to establish a stakeholder network to generate a comprehensive set of generic protective actions. The aim is to increase competence and build links for communication and coordination. The approach of this work was to systematically evaluate protective actio...

journal_title：Radiation protection dosimetry

authors： Sinkko K,Hämäläinen RP,Hänninen R

更新日期：2004-01-01 00:00:00

abstract：:The personnel dosimetry department of the Greek Atomic Energy Commission (GAEC) assures the individual monitoring of almost 8000 occupationally exposed workers. Thermoluminescence dosimetry systems will replace the existing photographic dosimetry system for the individual monitoring with the joint support of IAEA and ...

journal_title：Radiation protection dosimetry

authors： Carinou E,Drikos G,Hourdakis C,Hyvönen H,Kamenopoulou V

更新日期：2001-01-01 00:00:00

abstract：:During the course of an intercomparison exercise it was possible to compare two JAERI phantoms with each other by using a multi-energy photon emitting lung set (241Am/152Eu). One belonged to the IAEA (Vienna), the other belonged to the Human Monitoring Laboratory (Ottawa). The intercomparison of the phantoms showed th...

journal_title：Radiation protection dosimetry

authors： Kramer GH,Hauck BM

更新日期：2001-01-01 00:00:00

abstract：:New statistical distributions have been defined to describe occupational exposures to ionising radiation. These distributions are particularly useful in modelling occupations where most doses are low. The maximum likelihood method was used for parameter estimation and has been adapted to allow doses that are recorded ...

journal_title：Radiation protection dosimetry

authors： Sont WN

更新日期：2006-01-01 00:00:00

abstract：:The main dosimetric properties are reported of a new perovskite, LiMgF3, doped with Ce, Er and Dy impurities. An annealing temperature of 400 degrees C for one hour is necessary to erase any previous signal and to stabilise its sensitivity. A readout up to 450 degrees C gives the same result. The glow curve structure ...

journal_title：Radiation protection dosimetry

authors： Kitis G,Furetta C,Sanipoli C

更新日期：2002-01-01 00:00:00

abstract：:A system was developed in 2008 to calculate patient doses using Radiology Information System (RIS) data and presents these data as a patient dose audit. One of the issues with this system was the quality of user-entered data. It has been shown that Digital Imaging and Communication in Medicine (DICOM) header data can ...

journal_title：Radiation protection dosimetry

authors： Wilde R,Charnock P,McDonald S,Moores BM

更新日期：2011-09-01 00:00:00

abstract：:The SCK·CEN has carried out neutron field characterisation campaigns at several nuclear reactors. The main goal of these measurement campaigns was to evaluate the performance of different neutron personal dosemeters. To be able to evaluate the performance of neutron personal dosemeters in terms of Hp(10), knowledge of...

journal_title：Radiation protection dosimetry

authors： Cauwels V,Vanhavere F,Reginatto M

更新日期：2014-10-01 00:00:00

abstract：:The results of measurements, which were performed at angiography departments, are presented. The aim of this work was not only to assess patient exposure but also to perform a survey of the occupational exposures of physicians during common angiography examinations of the skull, chest, abdomen and limbs. Patient data,...

journal_title：Radiation protection dosimetry

authors： Zakova M

更新日期：2001-01-01 00:00:00

abstract：:A radiation dose assessment exercise was carried out for the edible biota Solanum nigrum, Carica papaya, Raphnus sativum and Phaseolus domesticus due to naturally available radionuclides (40)K, (238)U and (232)Th in the Domiasiat area in Meghalaya, India. The concentration of radionuclides in biota and corresponding s...

journal_title：Radiation protection dosimetry

authors： Kumar N,Chaturvedi SS,Jha SK

更新日期：2012-07-01 00:00:00

abstract：:This paper summarises the evaluation of the 1997 EURADOS questionnaire on dosimetric systems able to assess personal dose equivalent. In total, 56 approved dosimetric services in the European Union and Switzerland responded, together monitoring approximately 615,000 occupationally exposed persons. Of these services, 4...

journal_title：Radiation protection dosimetry

authors： van Dijk JW,Bordy JM,Vanhavere F,Wernli C,Zamani-Valasiadou M

更新日期：2001-01-01 00:00:00

abstract：:To evaluate the uncertainties for nuclear track detectors used in radon measurements, a full understanding is required of the physical phenomena involved and the behaviour of the instruments utilised in the measuring process. As it concerns the LR115 nuclear track detector, an overall evaluation of uncertainty was giv...

journal_title：Radiation protection dosimetry

authors： Campi F,Caresana M,Ferrarini M,Garlati L,Palermo M,Rusconi R

更新日期：2004-01-01 00:00:00

abstract：:The position of detectors used for partial-body counters relative to a measured person has considerable influence on the counting efficiency of low-energy photon emitters. To minimise reading errors and enhance reproducibility of position data, an electronic position recording system was installed in the partial-body ...

journal_title：Radiation protection dosimetry

authors： Hegenbart L,Breustedt B

更新日期：2011-03-01 00:00:00

abstract：:The accreditation of the Competent Incorporation Measuring Body at Jülich includes incorporation monitoring by means of direct measurements of the body activity as well as by means of indirect determination of the body activity by radiochemical analysis of excreta samples. In both testing areas, it proved to be very u...

journal_title：Radiation protection dosimetry

authors： Hill P,Froning M,Schläger M,Zoriy MV,Lennartz R

更新日期：2011-03-01 00:00:00

abstract：:The aim of this work is to calculate the absorbed dose to matter due to neutrons in the 5-150 MeV energy range. Materials involved in the calculations are Al2O3, CaSO4 and CaS, which may be used as dosemeters and have already been studied for their luminescent properties. The absorbed dose is assumed to be mainly due ...

journal_title：Radiation protection dosimetry

authors： Wrobel F,Benabdesselam M,Iacconi P,Lapraz D

更新日期：2004-01-01 00:00:00

abstract：:Particle accelerators and their surroundings are locations of residual radioactivity production that is induced by the interaction of high-energy particles with matter. This paper gives an overview of the principles of activation caused at proton accelerators, which are the main machines operated at Conseil Européen p...

journal_title：Radiation protection dosimetry

authors： Vincke H,Theis C,Roesler S

更新日期：2011-07-01 00:00:00

abstract：:This study assesses the level of background radiation for Kayseri province of Turkey. Natural radionuclide activity concentrations in soil samples were determined using high-resolution gamma spectroscopy. Outdoor gamma dose measurements in air at 1 m above ground level were determined using a portable gamma scintillat...

journal_title：Radiation protection dosimetry

authors： Otansev P,Karahan G,Kam E,Barut I,Taskin H

更新日期：2012-01-01 00:00:00

abstract：:From August 2016 to June 2017, the Public Health England-Centre for Radiation Chemical and Environmental Hazards (PHE-CRCE), collaborating centre of the WHO, through its Radiation Hazards and Emergencies Department Emergency Response Group has successfully supported five WHO Joint External Evaluation (JEE) missions in...

journal_title：Radiation protection dosimetry

authors： de Ruvo A,Cox D

更新日期：2018-12-01 00:00:00

abstract：:This communication describes two new instruments, based on multiple active thermal neutron detectors arranged within a single moderator, that permit to unfold the neutron spectrum (from thermal to hundreds of MeV) and to determine the corresponding integral quantities with only one exposure. This makes them especially...

journal_title：Radiation protection dosimetry

authors： Gómez-Ros JM,Bedogni R,Bortot D,Domingo C,Esposito A,Introini MV,Lorenzoli M,Mazzitelli G,Moraleda M,Pola A,Sacco D

更新日期：2017-04-01 00:00:00

abstract：:The radon concentrations in soil-gas and water samples (in the form of springs, catchment, tap, thermal) used as drinking water or thermal were measured using a professional radon monitor AlphaGUARD PQ 2000PRO. The measured radon concentrations in water samples ranged from 0.32 to 88.22 Bq l(-1). Most of radon levels ...

journal_title：Radiation protection dosimetry

authors： Koray A,Akkaya G,Kahraman A,Kaynak G

更新日期：2014-12-01 00:00:00

abstract：:223Ra is a radiopharmaceutical used as unsealed source in nuclear medicine. In the case of staff inhalation contamination of 223Ra, methods to estimate the committed effective dose should be chosen with care. Three methods are available: whole-body measurement and gamma spectrometry for urine or faeces samples. Consid...

journal_title：Radiation protection dosimetry

authors： Saurat D,Aupée O,Gontier E,Métivier D,Cazoulat A,Lecompte Y

更新日期：2018-12-01 00:00:00

abstract：:Costs related to the decommissioning of nuclear power plants create a significant financial burden for nuclear power plant operators. This article discusses the various methodologies employed by selected European countries for financing of the liabilities related to the nuclear power plant decommissioning. The article...

journal_title：Radiation protection dosimetry

authors： Bemš J,Knápek J,Králík T,Hejhal M,Kubančák J,Vašíček J

更新日期：2015-06-01 00:00:00

abstract：:At the low doses (and low dose rates) relevant to environmental and occupational radiation exposure (0-50 mSv), which are of practical concern for radiation protection, very few cells in the human organism experience more than one traversal by densely ionising particles in their lifetime, the intervals between the tra...

journal_title：Radiation protection dosimetry

authors： Gerardi S

更新日期：2006-01-01 00:00:00

abstract：:There have been several suggestions of biomarkers that are specific to high LET radiation. Such a biomarker could significantly increase the power of epidemiological studies of individuals exposed to densely-ionising radiations such as alpha particles (e.g. radon, plutonium workers, individuals exposed to depleted ura...

journal_title：Radiation protection dosimetry

authors： Brenner DJ,Okladnikova N,Hande P,Burak L,Geard CR,Azizova T

更新日期：2001-01-01 00:00:00

abstract：:The measurement of air samples may be used to assess risks of internal exposures, either by the use of workplace static air samplers (SAS) or personal air samplers (PAS). These measurements need to incorporate information on the physical and chemical nature of the aerosol, and the relationship between the sampled and ...

journal_title：Radiation protection dosimetry

authors： Roberts GA,Bull RK

更新日期：2007-01-01 00:00:00