226Ra, 222Rn AND PERMEABILITY OF BELGIAN SOILS IN RELATION WITH INDOOR RADON RISK.

abstract：:In this study, the thermoluminescence properties of natural calcite samples were examined in detail. The glow curve of the sample irradiated with beta radiation shows two main peaks, P1 (at 115 °C) and P4 (at 254 °C). The additive dose, variable heating rate, computer glow curve deconvolution, peak shape and three poi...

journal_title：Radiation protection dosimetry

authors： Yildirim RG,Kafadar VE,Yazici AN,Gün E

更新日期：2012-09-01 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：:Virtual models of real phantoms used with Monte Carlo methods facilitate the calibration and other studies associated with whole-body and partial-body counting systems. In this investigation, a voxel model of an LLNL torso phantom, available physically in the in vivo laboratory at KIT, was created from computed tomogr...

journal_title：Radiation protection dosimetry

authors： Hegenbart L,Marzocchi O,Breustedt B,Urban M

更新日期：2009-02-01 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：:The occupational radiation exposure of medical radiation workers at the Institute of Oncology, Vilnius University (IOVU) was analysed. Quartile dose measurements were collected and routinely analysed for a period of 8 y from 1 January 2004 to 31 December 2011. A total of 193 medical radiation workers were monitored, c...

journal_title：Radiation protection dosimetry

authors： Samerdokiene V,Atkocius V,Ofomala R

更新日期：2013-11-01 00:00:00

abstract：:We applied circular dichroism (CD) spectral analysis to obtain the secondary structure of the DNA repair protein XRCC4, with a focus on its C-terminus. Using synchrotron radiation as a light source across a wide range of wavelengths, including vacuum ultraviolet (UV) light from 180 to 200 nm and UV light from 200 to 2...

journal_title：Radiation protection dosimetry

authors： Nishikubo K,Izumi Y,Matsumoto Y,Fujii K,Matsuo K,Yokoya A

更新日期：2019-05-01 00:00:00

abstract：:Radon activity concentrations have been measured in 53 from a total of 66 public primary schools throughout of Patras, Greece, during December 1999 to May 2000 using solid-state nuclear track detectors (LR-115 II). The indoor radon levels in the classrooms were generally low, ranging from 10 to 89 Bqm(-3). The mean (a...

journal_title：Radiation protection dosimetry

authors： Papaefthymiou H,Georgiou CD

更新日期：2007-01-01 00:00:00

abstract：:The aim of the present study was to investigate of a possible correlation between indoor radon and indoor gamma dose rates deduced by in situ gamma spectrometry measurements by using a portable HPGe detector. Indoor radon and high resolution in situ gamma spectrometry measurements were performed in 60 apartments in Th...

journal_title：Radiation protection dosimetry

authors： Clouvas A,Xanthos S,Antonopoulos-Domis M

更新日期：2003-01-01 00:00:00

abstract：:Prudence is a cornerstone of radiation protection philosophy. However, whilst the concept is clearly valid at the level of principle, it is nonetheless necessary to ask 'How should prudence be applied in the context of various practical situations.' This is perhaps particularly important where exposures are low-within...

journal_title：Radiation protection dosimetry

authors： Coates R

更新日期：2017-04-01 00:00:00

abstract：:A multipurpose anthropomorphic neck phantom was designed and fabricated for use in medical applications. The designed neck phantom is composed of seven elliptic cylindrical slices with a semi-major axis of 14 cm and a semi-minor axis of 12.5 cm, each having the thickness of 2 cm. The thyroid gland, bony part of the ne...

journal_title：Radiation protection dosimetry

authors： Mehdizadeh Naderi S,Sina S,Karimipoorfard M,Lotfalizadeh F,Entezarmahdi M,Moradi H,Faghihi R

更新日期：2016-03-01 00:00:00

abstract：:Measurements were made according to IEEE standard 644-1994 at a height of 1 m above floor level. It is concluded that none of the measurements exceeded the ACGIH threshold limit value. Among all control rooms the highest measured density amount is 0.69 μT in the control room of Ozgol substation and the lowest is 0.2 μ...

journal_title：Radiation protection dosimetry

authors： Fard MS,Nasiri P,Monazzam MR

更新日期：2011-06-01 00:00:00

abstract：:Habit surveys were carried out around four licensed nuclear sites to identify people who collect foodstuffs from the wild (so-called 'free foods'). In total, around 800 collectors were readily identified, most of whom collected more than one free food. The data indicated that estimates of higher than average doses cou...

journal_title：Radiation protection dosimetry

authors： Green N,Wilkins BT,Hammond DJ,Davidson MF,Richmond S,Brooker S

更新日期：2001-01-01 00:00:00

abstract：:An oil and gas production facility in the western desert of Egypt was investigated for possible radiation risks due to the routine operation. Radium-226, Radium-228 and Potassium-40 were assessed in the soil samples collected from the adjacent soakaway pond. The average 226Ra, 228Ra and 40K activity concentrations wer...

journal_title：Radiation protection dosimetry

authors： Ebaid YY,Hassan Y,Elshemey WM

更新日期：2020-08-28 00:00:00

abstract：:The use of a Monte Carlo code for the analysis and interpretation of whole body counting measurements is described. The sources of error are analysed and commented to show how a counting geometry can be improved by improving accuracy and precision in a measurement. The effects of body size, contamination distribution ...

journal_title：Radiation protection dosimetry

authors： Genicot JL,Koukouliou V,Carinou E

更新日期：2008-01-01 00:00:00

abstract：:The E. coli catabolite gene activator protein (CAP)-DNA complex with 125I located at the position of the H5 atom of the cytosine near the centre was incorporated into the PARTRAC track structure code. DNA strand breaks due to irradiation were calculated by track structure and radical attack simulations; strand breaks ...

journal_title：Radiation protection dosimetry

authors： Li W,Friedland W,Jacob P,Paretzke HG,Panyutin I,Neumann RD

更新日期：2002-01-01 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 dose limiting factor for 131I therapy in patients with thyroid cancer is myelotoxicity, thus an accurate determination of radioiodine activity in the red marrow is of paramount importance. The reference method for red marrow dosimetry in radiometabolic therapy is based on the measurement of radioiodine kinetics, p...

journal_title：Radiation protection dosimetry

authors： Traino AC,Di Martino F,Boni G,Mariani G,Lazzeri M

更新日期：2004-01-01 00:00:00

abstract：:The aim of the present study was to compare image quality and patient dose in cardiac computed tomography angiography (CTA) in terms of volume computed tomography dose index (CTDI vol), dose length product (DLP) and effective dose, when changing from filtered back projection (FBP) to adaptive iterative dose reduction ...

journal_title：Radiation protection dosimetry

authors： Dyakov I,Stoinova V,Groudeva V,Vassileva J

更新日期：2015-07-01 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：:This study aims to describe current risk management practices and policies across the world in relation to personal exposures from devices emitting radiofrequency fields, environmental exposures from fixed installations and exposures in the work environment. Data from 86 countries representing all WHO regions were col...

journal_title：Radiation protection dosimetry

authors： Dhungel A,Zmirou-Navier D,van Deventer E

更新日期：2015-04-01 00:00:00

abstract：:Site-specific transfer coefficient from feed to cow's milk, for (137)Cs in the villages around Narora, a nuclear power station site in India, determined over a period of 17 y, is presented in this paper. In the transport model for the prediction of the concentration of (137)Cs in milk, the transfer coefficient from fe...

journal_title：Radiation protection dosimetry

authors： Kumar D,Kumar A,Sharma AK,Singh B,Ravi PM,Sarkar PK

更新日期：2013-09-01 00:00:00

abstract：:According to the worldwide reports, industrial radiography is one of the highest risk radiation practices due to handling high activity sources. Therefore, an optimization of protection along with appropriate investigation level and/or dose constraint is required to achieve appropriate radiological safety. This resear...

journal_title：Radiation protection dosimetry

authors： Hosseini Pooya SM,Dashtipour MR

更新日期：2018-10-01 00:00:00

abstract：:In radiotherapy involving thermal and epithermal neutrons, the knowledge of dose distributions, with separation of the contribution of each secondary radiation component, is of utmost importance. Layers of Fricke-Xylenol-Orange-infused gel dosemeters give the possibility of achieving such requirements because, owing t...

journal_title：Radiation protection dosimetry

authors： Gambarini G,Carrara M,Gay S,Tomatis S

更新日期：2006-01-01 00:00:00

abstract：:The existence of non-targeted effects (NTEs) of radiation (genomic instability and bystander effects) has been generally accepted for >20 y; however, there is research, which was largely ignored going back to 1915 reporting these effects. Despite today's general acceptance of the phenomenon of NTE, there is little agr...

journal_title：Radiation protection dosimetry

authors： Mothersill C,Seymour C

更新日期：2015-09-01 00:00:00

abstract：:A project to construct the Korea Multi-purpose Accelerator Complex (KOMAC) is currently underway targeting a high-intensity proton beam with an average current of 4.8 mA. As for the first stage of construction, a 20 MeV linac is planned to be built by 2007 and additional DTL sections will be added to increase the prot...

journal_title：Radiation protection dosimetry

authors： Cho YS,Lee YO,Chang J

更新日期：2005-01-01 00:00:00

abstract：:A recoil-proton spectrometer was created by coupling a p-i-n diode with a polyethylene converter. The maximum detectable energy, imposed by the thickness of the totally depleted layer, is approximately 6 MeV. The minimum detectable energy is limited by the contribution of secondary electrons generated by photons in th...

journal_title：Radiation protection dosimetry

authors： Agosteo S,D'Angelo G,Fazzi A,Foglio Para A,Pola A,Ventura L,Zotto P

更新日期：2004-01-01 00:00:00

abstract：:This study presents the seasonal variations of indoor radon levels in dwellings located in the Ramallah province and East Jerusalem suburbs, Palestine. The measurements were performed during the summer and winter of the year 2006/2007 using CR-39 solid-state-nuclear-track detectors. The total number of investigated bu...

journal_title：Radiation protection dosimetry

authors： Leghrouz AA,Abu-Samreh MM,Shehadeh AK

更新日期：2012-01-01 00:00:00

abstract：:An investigation of the thermoluminescence (TL) properties of high pressure, high temperature (HPHT) synthetic diamond crystals grown under diluted nickel or cobalt as solvent catalysts is reported. After a study of TL properties of 6 different samples, it is shown that a crystal grown with Ni+2%Ti and annealed at 210...

journal_title：Radiation protection dosimetry

authors： Benabdesselam M,Iacconi P,Gheeraert E,Kanda H,Lapraz D,Briand D

更新日期：2002-01-01 00:00:00

abstract：:The time variation of the radon equilibrium factor F was measured every four hours in the Nuclear Technology Laboratory of the Aristotle University of Thessaloniki (in northern Greece) during October 1998-April 1999. The time dependence of the mean weekly value of radon equilibrium factor F is relatively small. During...

journal_title：Radiation protection dosimetry

authors： Clouvas A,Xanthos S,Antonopoulos-Domis M

更新日期：2003-01-01 00:00:00

abstract：:The thermoluminescence (TL) of LiF:Mg,Ti has been studied using a high resolution CCD spectrophotometer, which simultaneously measures the emission intensity and the emission spectrum as a function of sample temperature. Computerised deconvolution was used to resolve the emission spectrum into individual Gaussian band...

journal_title：Radiation protection dosimetry

authors： Biderman S,Horowitz Y,Oster L

更新日期：2002-01-01 00:00:00