Dose conversion of radon exposure according to new epidemiological findings.

abstract：:Described are functions, models and approaches of software tool Emergency Source Term code (ESTE), which is decision support system for crisis staff in case of nuclear or radiological accidents. The first task of ESTE in emergency situation at nuclear facility is to evaluate state of reactor core or state of fuel in s...

journal_title：Radiation protection dosimetry

authors： Fojcíková E,Lipták Ľ,Krpelanová M,Chylý M,Čarný P

更新日期：2019-12-31 00:00:00

abstract：:A newly developed thermoluminescence dosemeter system is presented that is suitable for application in fields where personal monitoring of a large number of users is required. The system presented here is intended to be used as the upcoming main dosemeter for whole body dosimetry at the dosimetry service of the MPA NR...

journal_title：Radiation protection dosimetry

authors： Walbersloh J,Busch F

更新日期：2016-09-01 00:00:00

abstract：:Two counting techniques are proposed in this paper to estimate thoron ((220)Rn) concentration using a Lucas scintillation cell. The alpha activity build-up inside the cell is calculated theoretically by using Bateman equations. The first method is having a minimum detection limit of 325 Bq m(-3) and can be used for th...

journal_title：Radiation protection dosimetry

authors： Sumesh CG,Kumar AV,Nair RN,Tripathi RM,Puranik VD

更新日期：2012-07-01 00:00:00

abstract：:The use of image quality parameters in digital mammography such as contrast-to-noise ratio (CNR), signal-to-noise ratio (SNR) and detective quantum efficiency (DQE) has been widespread, with the intention of detector evaluation and/or quantitative evaluation of the system performance. These parameters are useful in en...

journal_title：Radiation protection dosimetry

authors： Borg M,Badr I,Royle GJ

更新日期：2012-08-01 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：:Dose conversions were studied for dosimetry of atomic bomb survivors based upon electron spin resonance (ESR) measurements of tooth enamel. Previously analysed data had clarified that the tooth enamel dose could be much larger than other organ doses from a low-energy photon exposure. The radiation doses to other organ...

journal_title：Radiation protection dosimetry

authors： Takahashi F,Sato K

更新日期：2012-03-01 00:00:00

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：:Some activities of EURADOS Working Group 9 (WG9) are presently funded by the European Commission (CONRAD project). The objective of WG9 is to promote and co-ordinate research activities for the assessment of occupational exposures to staff at workplaces in interventional radiology (IR) and nuclear medicine. For some o...

journal_title：Radiation protection dosimetry

authors： Vanhavere F,Carinou E,Donadille L,Ginjaume M,Jankowski J,Rimpler A,Sans Merce M

更新日期：2008-01-01 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：:Absorbed dose and average linear energy transfer (LET) were assessed by means of (7)LiF:Mg,Ti (TLD-700) thermoluminescent (TL) detectors for different panels on-board the Russian Segment of the International Space Station in the timeframe between March and November 2002 (233 d). A technique is presented to correct the...

journal_title：Radiation protection dosimetry

authors： Hajek M,Berger T,Fugger M,Fürstner M,Vana N,Akatov Y,Shurshakov V,Arkhangelsky V

更新日期：2006-01-01 00:00:00

abstract：:A Monte Carlo-based stand-alone program, IDACstar (Internal Dose Assessment by Computer), was developed, dedicated to perform radiation dose calculations using complex voxel simulations. To test the program, two irradiation situations were simulated, one hypothetical contamination case with 600 MBq of 99mTc and one ex...

journal_title：Radiation protection dosimetry

authors： Ören Ü,Hiller M,Andersson M

更新日期：2017-04-28 00:00:00

abstract：:A current-mode neutron detector with a pair of 6Li- and 7Li-glass scintillators has been developed to measure high-flux neutrons in a boron neutron capture therapy field. Neutrons are basically measured by subtracting gamma-ray component using current outputs from the 7Li-glass scintillator. In the present study, the ...

journal_title：Radiation protection dosimetry

authors： Matsumoto T,Masuda A,Harano H,Hori JI,Sano T

更新日期：2020-06-12 00:00:00

abstract：:The DIS-1 dosemeter from the Finnish company RADOS is an innovative kind of passive electronic dosemeter for photon and beta radiation. This study examines the 'long-term' linear response behaviour, the calibration and readout accuracy with large samples of 'used' DIS-1 dosemeters especially in the low-dose region, wh...

journal_title：Radiation protection dosimetry

authors： Fuchs H,Stähler S,Dittmar M

更新日期：2008-01-01 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：:Poly(acrylate-co-acrylamide) was a synthesis by chemical oxidation polymerization of an aqueous binary mixture of acrylate/acrylamide (1:1 mole ratio) using ammonium persulphate as an initiator at 70°C under the nitrogen atmosphere. The obtained copolymer was introduced for grafting with polyaniline. The grafting proc...

journal_title：Radiation protection dosimetry

authors： Abd El-Mageed HR,Abd El-Salam HM,Eissa MF

更新日期：2018-03-01 00:00:00

abstract：:The diagnostic reference level (DRL) has generally been defined as the 75th percentile of the distributions of mean doses observed on a sample of standard-sized patients, but for mammography, the 95th percentile has been used. In this study, the 75th and 95th percentiles are estimated for 26 full-field digital mammogr...

journal_title：Radiation protection dosimetry

authors： Hauge IH,Bredholt K,Olerud HM

更新日期：2013-12-01 00:00:00

abstract：:Gadolinium is a competent neutron conversion material for neutron detection due to its extremely high neutron capture cross section. It differs from the other neutron reactive materials by emitting large amounts of low-energy electrons for the consequent signal generation in a detector. Such low-energy electrons, thou...

journal_title：Radiation protection dosimetry

authors： Kandlakunta P,Cao L

更新日期：2012-09-01 00:00:00

abstract：:The International Atomic Energy Agency (IAEA) through the International Action Plan on Radiation Protection of Patients and the International Commission on Radiological Protection have for some time carried out important efforts to assure that in the medical applications of the ionising radiations, the optimisation of...

journal_title：Radiation protection dosimetry

authors： Blanco S,Mora P,Almonte N,Benavente T,Benson N,Blanco D,Cárdenas J,Defaz Gómez Y,Edding O,Escobar C,Fonseca M,Gamarra M,García Aguilar J,Khoury HJ,Quintero AR,Roas Zuniga N,Zaire E,Nader A

更新日期：2013-09-01 00:00:00

abstract：:Environmental radiation monitoring in the vicinity of coal-fired power plants which are used primarily to determine the variability in measured background exposures are presented in this article; this is in order to estimate the contribution due to the plants' operation. Measurements have been done using a multi-eleme...

journal_title：Radiation protection dosimetry

authors： Adrovic F,Prokić M,Ninković MM,Glisić R

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：:Radon measurements, as do any measurements, include errors in their readings. The relative values of such errors depend principally on the measurement methods used, the radon concentration to be measured and the duration of the measurements. Typical exposure times for radon surveys using passive detectors [nuclear tra...

journal_title：Radiation protection dosimetry

authors： Janik M,Łoskiewicz J,Tokonami S,Kozak K,Mazur J,Ishikawa T

更新日期：2012-11-01 00:00:00

abstract：:The physical data regarding bremsstrahlung and neutrons produced in a steel shield by high-energy electron beams from a medical linear accelerator were investigated. These data are required to allow the accurate prediction of shielding performance for high-energy electron beams and in the design of radiotherapy facili...

journal_title：Radiation protection dosimetry

authors： Fujita Y,Myojoyama A,Saitoh H

更新日期：2015-02-01 00:00:00

abstract：:We evaluated the performances of angiographic units equipped with a flat-panel (FP) detector and image intensifier (II) charge-coupled device (CCD) in the Interventional Cardiology (IC) Department. Entrance dose rate and dose per image, along with the dose at the II level were measured using 2 mm copper sheets to simu...

journal_title：Radiation protection dosimetry

authors： Tsapaki V,Kottou S,Kollaros N,Kyriakidis Z,Neofotistou V

更新日期：2005-01-01 00:00:00

abstract：:To determine the dose-equivalent of neutrons in an extended energy range, in the present work a multi-element thick gas electron multiplier-based microdosemeter made of PMMA (Perspex) walls of 10 mm in thickness is designed. Each cavity is filled with the propane-based tissue-equivalent (TE) gas simulating 1 µm of tis...

journal_title：Radiation protection dosimetry

authors： Moslehi A,Raisali G

更新日期：2017-11-01 00:00:00

abstract：:In radiotherapy with carbon ions, biological effects of treatments have to be predicted. For this purpose, one of the most used models is the local effect model (LEM) developed at the Gesellschaft für Schwerionenforschung (GSI), Germany. At the Istituto Nazionale di Fisica Nucleare, Italy, the reliability of the last ...

journal_title：Radiation protection dosimetry

authors： Russo G,Attili A,Bourhaleb F,Marchetto F,Peroni C,Schmitt E,Bertrand D

更新日期：2011-02-01 00:00:00

abstract：:The article summarizes the most recent results from the cohorts of uranium miners, particularly the risks at low exposures and the risk models with modifying effects of exposure rate, age and time since exposure, which are used for the calculation of lifetime risks (LRs). The excess relative risks per unit exposure (E...

journal_title：Radiation protection dosimetry

authors： Tomasek L

更新日期：2020-11-27 00:00:00

abstract：:Although numerous models have been developed for occupational and medical internal dosimetry, they may not be applicable to an accident situation. Published dose coefficients relate effective dose to intake, but if acute deterministic effects are possible, effective dose is not a useful parameter. Consequently, dose r...

journal_title：Radiation protection dosimetry

authors： Toohey RE

更新日期：2003-01-01 00:00:00

abstract：:Radiation dose was measured with set of TL dosimeters during checkout of neutron radiation hardness of the ORTEC preamplifier type 142A in the experiment at the MARIA nuclear reactor at the National Centre for Nuclear Research (NCBJ), Otwock-Świerk, Poland. Different types of LiF-based TL detectors have been used for ...

journal_title：Radiation protection dosimetry

authors： Obryk B,Malik K,Bilski P,Igielski A,Dankowski J,Kurowski A,Prokopowicz R,Pytel K

更新日期：2018-08-01 00:00:00

abstract：:Patients are exposed to significant radiation doses during diagnostic and interventional urologic procedures. This study aimed to measure patient entrance surface air kerma (ESAK) and to estimate the effective dose during intravenous urography (IVU), extracorporeal shock-wave lithotripsy (ESWL), and ascending urethogr...

journal_title：Radiation protection dosimetry

authors： Sulieman A,Barakat H,Zailae A,Abuderman A,Theodorou K

更新日期：2015-07-01 00:00:00

abstract：:Thermoluminescence (TL) dose responses to gamma radiation in the dose range from 0.1 Gy to 20 kGy in MgSO4:Dy, MgSO4:Dy,Mn, MgSO4:Dy,P and MgSO4:Dy,P,Cu phosphors were obtained and fitted by the composite action dose response function to obtain non-linear characteristic parameters, one-hit factor R and characteristic ...

journal_title：Radiation protection dosimetry

authors： Zhang CX,Luo DL

更新日期：2002-01-01 00:00:00