Use of aspartame-based sweetener tablets in emergency dosimetry using EPR.

abstract：:Computed tomography dose index w and dose length product were recorded for the purpose of developing diagnostic reference levels (DRLs) for radiation dose optimisation. The study was conducted in three radiology departments with CT centres in Northern Nigeria. Data were collected from 54 consenting adult participants ...

journal_title：Radiation protection dosimetry

authors： Garba I,Engel-Hills P,Davidson F,Tabari AM

更新日期：2015-07-01 00:00:00

abstract：:An important factor in calculation of quantities describing the radiation situation is the selection of a calculation code. In this article, the radiation situation for selected geometries with multilayer shields was judged. Calculations were carried out using deterministic code VISIPLAN and stochastic code MCNP5. Int...

journal_title：Radiation protection dosimetry

authors： Bednár D,Lištjak M,Slimák A,Nečas V

更新日期：2019-12-31 00:00:00

abstract：:Lignite burning is one of the sources of technologically enhanced exposure to humans from natural radionuclides. In the preliminary study, part of the survey, the activity concentrations of (226)Ra, (232)Th and (40)K in 112 samples of feed lignites from seven lignite-fired power plants in Western Anatolia (Seyitömer, ...

journal_title：Radiation protection dosimetry

authors： Cam NF,Yaprak G,Eren E

更新日期：2010-12-01 00:00:00

abstract：:A 'moving-target' method for characterising background in a counting measurement in which the instantaneous background count rate is a function of time, rather than being fixed, is proposed. This model treats the average Poisson mean in observation period P as coming from a gamma distribution with parameters αP and βP...

journal_title：Radiation protection dosimetry

authors： Klumpp J,Miller G,Brandl A

更新日期：2015-04-01 00:00:00

abstract：:An improvement in the clinical results obtained using total body irradiation (TBI) with photon beams requires precise TBI treatment planning, reproducible irradiation, precise in vivo dosimetry, accurate documentation and careful evaluation. In vivo dosimetry using LiF Harshaw TLD-100 chips was used during the TBI tre...

journal_title：Radiation protection dosimetry

authors： Palkosková P,Hlavata H,Dvorák P,Novotný J,Novotný J Jr

更新日期：2002-01-01 00:00:00

abstract：:The purpose of the study was to evaluate the dose performance of a flat-panel (FP) and an image intensifier (II) charge coupled device (CCD) digital fluoroscopy X-ray systems newly installed in an Interventional Cardiology (IC) department. Filter entrance dose rate, detector dose rate (during fluoroscopy) and filter e...

journal_title：Radiation protection dosimetry

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

更新日期：2004-01-01 00:00:00

abstract：:The European Basic Safety Standards demand the prediction of areas where a significant number of households exceed the reference level for the radon activity concentration. Therefore, radon maps are established which are based on indoor and soil gas measurements. In this study results of soil gas measurements are inte...

journal_title：Radiation protection dosimetry

authors： Kabrt F,Baumgartner A,Stietka M,Friedmann H,Gruber V,Ringer W,Maringer FJ

更新日期：2017-11-01 00:00:00

abstract：:This study aims to provide more insight in attenuation characteristics and corresponding lead (Pb) equivalences of a broad range of commercially available lead composite and nonlead protective garments. Thirty garments of five manufacturers (listed as 0.25-0.35-0.50 mm Pb equivalent) were tested. Transmission values w...

journal_title：Radiation protection dosimetry

authors： Peters SMB,Zweers D,de Lange F,Mourik JEM

更新日期：2017-08-01 00:00:00

abstract：:At a high-energy, high-intensity proton accelerator facility, the accelerator components inside the beam-line tunnel and the concrete wall of the tunnel are activated due to beam loss during operation. During maintenance work inside the tunnel, radiation emitted from these activated materials can cause exposure to rad...

journal_title：Radiation protection dosimetry

authors： Numajiri M

更新日期：2007-01-01 00:00:00

abstract：:A passive Bonner sphere system (BSS), based on thermal neutron activation detectors, was developed to perform neutron spectrometry in pulsed and very intense (n-gamma) fields with predominant photon component, as those produced by high energy (>10 MV) medical linear electron accelerators. In this paper, a description ...

journal_title：Radiation protection dosimetry

authors： Amgarou K,Lacoste V,Muller H,Fernández F

更新日期：2007-01-01 00:00:00

abstract：:Flat-panel X-ray detectors for fluoroscopy represent a modern imaging equipment that is being implemented in paediatric cardiac catheterisation laboratories. Infants and children represent a group of patients with a high radiosensitivity. A survey of 273 (126 diagnostic and 147 therapeutic) paediatric catheterisations...

journal_title：Radiation protection dosimetry

authors： Dragusin O,Gewillig M,Desmet W,Smans K,Struelens L,Bosmans H

更新日期：2008-01-01 00:00:00

abstract：:In this study, the characterisation of radiation exposure of paediatric patients in computerised tomography (CT) procedures was performed for a Portuguese hospital. Dosimetric data and technical parameters used for CT examinations were retrieved, compiled and analysed over a period of 1 y. Five paediatric age groups w...

journal_title：Radiation protection dosimetry

authors： Neves A,Nunes A,Rufino M,Madeira P,Vaz P,Pascoal A

更新日期：2012-09-01 00:00:00

abstract：:The Techa river region was highly contaminated due to radioactive releases from a nuclear production facility in the period from 1949 to 1956. The inhabitants of the upper Techa river settlements received significant doses of external radiation. The majority of the houses in the upper Techa river villages were demolis...

journal_title：Radiation protection dosimetry

authors： Bougrov NG,Baturin VA,Goeksu HY,Degteva MO,Jacob P

更新日期：2002-01-01 00:00:00

abstract：:Estimation of the surface dose is very important for patients undergoing radiation therapy. The purpose of this study is to investigate the dose at the surface of a water phantom at a depth of 0.007 cm as recommended by the International Commission on Radiological Protection and International Commission on Radiation U...

journal_title：Radiation protection dosimetry

authors： Alashrah S,Kandaiya S,Maalej N,El-Taher A

更新日期：2014-12-01 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：:Spectrometric and dosimetric measurements were made around a cask containing spent fuel and a cask containing high-level radioactive waste at the Swiss intermediate waste and spent fuel storage facility. A Bonner sphere spectrometer, an LB 6411 neutron monitor and an Automess Szintomat 6134A were used to characterise ...

journal_title：Radiation protection dosimetry

authors： Buchillier T,Aroua A,Bochud FO

更新日期：2007-01-01 00:00:00

abstract：:TRIPOLI-4.3 Monte Carlo transport code has been used to evaluate the QUADOS (Quality Assurance of Computational Tools for Dosimetry) problem P4, neutron and photon response of an albedo-type thermoluminescence personal dosemeter (TLD) located on an ISO slab phantom. Two enriched 6LiF and two 7LiF TLD chips were used a...

journal_title：Radiation protection dosimetry

authors： Lee YK

更新日期：2005-01-01 00:00:00

abstract：:An underground station for the measurement of low-level radioactivity is in operation in Northern Italy in the town of Como under the Baradello hill. The rock cover is -300 m water equivalent. This paper reports about the preliminary measurements carried out to characterise the site of the Baradello hill and the insta...

journal_title：Radiation protection dosimetry

authors： Pellicciari M,Fascilla A,Giuliani A,Pedretti M,Cesana A,Garlati L,Terrani M,Raselli GL

更新日期：2005-01-01 00:00:00

abstract：:The present paper shows methods to suppress radon emanation from artificial porous materials such as phosphorous fertiliser or diatomaceous earth with a small amount of radium. The basic concept of suppression is making the radon emanation mechanism 'null', which comes from the fact that recoil is the main mechanism o...

journal_title：Radiation protection dosimetry

authors： Sasaki T,Gunji Y,Okuda T

更新日期：2007-01-01 00:00:00

abstract：:A quantitative dosimetric comparison was performed between Monte Carlo (MC) simulations and analytic calculations at the (sub) cellular level (V79 cells) for four nucleus-incorporated radiochemicals ((125)I/(123)I/(77)Br-UdR and A (125)IP) and two radiochemicals that localised mainly in the cytoplasm of cells ((125)I-...

journal_title：Radiation protection dosimetry

authors： Bousis C

更新日期：2011-01-01 00:00:00

abstract：:Dosimetric monitoring and protection of the personnel involved into interventional procedures is one of the key issues nowadays, yet doses received by their brains were left without rigorous consideration so far. The paper is the fast track of the results of the pilot study of possible magnitude of operator's doses wi...

journal_title：Radiation protection dosimetry

authors： Chumak V,Morgun A,Bakhanova E,Voloskyi V

更新日期：2016-09-01 00:00:00

abstract：:When neutron survey metres are calibrated in neutron fields, the results for room- and air-scattered neutrons vary according to the distance from the source and the size, shape and construction of the neutron calibration room. ISO 8529-2 recommends four approaches for correcting these effects: the shadow-cone method, ...

journal_title：Radiation protection dosimetry

authors： Lee SK,Kim SI,Lee J,Chang I,Kim JL,Kim H,Kim MC,Kim BH

更新日期：2018-08-01 00:00:00

abstract：:This paper presents the finding of a study undertaken to determine natural radioactivity and associated hazards in local types of cement in Iran. A total of 42 samples were collected from various manufacturers and suppliers and analysed using a shielded HPGe gamma-ray spectrometer. The specific activities of 232Th, 22...

journal_title：Radiation protection dosimetry

authors： Fathivand AA,Amidi J

更新日期：2007-01-01 00:00:00

abstract：:A common problem in internal dosimetry occurs in routine monitoring, when it is required to estimate an intake from a measurement made at the end of a monitoring interval, and the time of intake is unknown. ICRP suggests that it should be assumed that the intake occurred in the middle of the monitoring period. However...

journal_title：Radiation protection dosimetry

authors： Birchall A,Puncher M,Marsh JW

更新日期：2007-01-01 00:00:00

abstract：:This paper presents an efficient algorithm for estimating the unknown emission rate of radionuclides in the atmosphere following a nuclear accident. The algorithm is based on assimilation of gamma dose rate measured data in a Lagrangian atmospheric dispersion model. Such models are used in the framework of nuclear eme...

journal_title：Radiation protection dosimetry

authors： Tsiouri V,Kovalets I,Andronopoulos S,Bartzis JG

更新日期：2012-01-01 00:00:00

abstract：:We developed a radiation detector based on an organic scintillator for spectrometry and dosimetry of out-of-field secondary neutrons from clinical proton beams. The detector consists of an EJ-299-34 crystalline organic scintillator, coupled by fiber optic cable to a silicon photomultiplier (SiPM). Proof of concept mea...

journal_title：Radiation protection dosimetry

authors： Beyer KA,Di Fulvio A,Stolarczyk L,Parol W,Mojzeszek N,Kopéc R,Clarke SD,Pozzi SA

更新日期：2018-08-01 00:00:00

abstract：:This study analyzes the exposure of the human torso to electromagnetic fields caused by wireless body-mounted or handheld devices. Because of the frequency and distance ranges from 30-5800 MHz and 10 to 200 mm, respectively, both near-field and far-field effects are considered. A generic body model and simulations of ...

journal_title：Radiation protection dosimetry

authors： Christ A,Samaras T,Neufeld E,Klingenböck A,Kuster N

更新日期：2007-01-01 00:00:00

abstract：:The dependence of the doses on solar activity for intermediate levels of the solar modulation parameter has been studied by means of simulations carried out by the Monte Carlo transport code FLUKA. The vertical cut-off rigidities investigated lie between 0.4 and 6.1 GV. The calculated results show that the linear depe...

journal_title：Radiation protection dosimetry

authors： Ferrari A,Pellicioni M,Rancati T

更新日期：2002-01-01 00:00:00

abstract：:The National Institute for Occupational Safety and Health (NIOSH) is currently studying mortality in a cohort of 6409 workers at a former uranium processing facility. As part of this study, over 220 000 urine samples were used to reconstruct organ doses due to internal exposure to uranium. Most of the available comput...

journal_title：Radiation protection dosimetry

authors： Anderson JL,Apostoaei AI,Thomas BA

更新日期：2013-01-01 00:00:00

abstract：:The starting point of the Spanish experience in the study of High Background Radiation Areas is the development of a nationwide indoor radon survey carried out in 1988. This campaign, belonging to the first Spanish Radon Framework, consisted of approximately 2000 indoor radon measurements which represented a valuable ...

journal_title：Radiation protection dosimetry

authors： Sáinz C,Quindós LS,Fernández PL,Gómez J,Fuente I,Quindós L,Matarranz JL

更新日期：2007-01-01 00:00:00