New data on direct ion storage dosemeters.

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：:During atmospheric thermal inversions, dew and hoarfrost concentrate gamma emitting radionuclides of the short-lived (222)Rn progeny ((214)Pb and (214)Bi), causing an increase in the total natural gamma background from the ground. To highlight this phenomenon, a volcanic zone of high (222)Rn flux was studied during th...

journal_title：Radiation protection dosimetry

authors： Voltaggio M

更新日期：2012-07-01 00:00:00

abstract：:The current revision of the Swiss Radiological Protection Ordinance aims to bring Swiss legislation in line with new international standards. In future, the control of radon exposure in dwellings will be based on a reference level of 300 Bq m(-3). Since this value is exceeded in >10 % of the buildings so far investiga...

journal_title：Radiation protection dosimetry

authors： Palacios Gruson M,Barazza F,Murith C,Ryf S

更新日期：2015-04-01 00:00:00

abstract：:The feasibility of large-geometry Metal Oxide Semiconductor Field Effect Transistor (MOSFET) devices has been assessed for both active and passive neutron dosimetry and use in radiotherapy environments. Neutron sensitivity has been enhanced with the use of polymeric cement surrounding the gate region. Neutron activati...

journal_title：Radiation protection dosimetry

authors： Price RA,Benson C,Joyce MJ,Kestell DJ,Silvie J

更新日期：2004-01-01 00:00:00

abstract：:High-energy neutrons (>10 MeV) contribute substantially to the dose fraction but result in only a small or negligible response in most conventional moderated-type neutron detectors. Neutron dosemeters used for radiation protection purpose are commonly calibrated with (252)Cf neutron sources and are used in various wor...

journal_title：Radiation protection dosimetry

authors： Lee KW,Sheu RJ

更新日期：2015-04-01 00:00:00

abstract：:To study the effect of patient size, anatomical location and modulation strength (MS) on image-quality and delivered dose of CT scans acquired with automatic-exposure-control system (AEC). Four anthropomorphic phantoms (three paediatric and one thin adult) were studied, and normal and obese adults were simulated by pl...

journal_title：Radiation protection dosimetry

authors： Greffier J,Larbi A,Macri F,Beregi JP,Pereira F

更新日期：2017-12-01 00:00:00

abstract：:The results of experimental studies performed in a radiotherapy (12)C ion beam with a nominal energy of 500 MeV/amu and in (16)O and (56)Fe ion beams with a nominal energy of 1 GeV/amu have been described. Linear energy transfer (LET) spectra have been established by means of an LET spectrometer based on a chemically ...

journal_title：Radiation protection dosimetry

authors： Jadrnícková I,Spurny F,Molokanov AG

更新日期：2007-01-01 00:00:00

abstract：:The purpose of this study was to investigate other indices estimating absorbed dose for eye lens and brain, using clinical images of East Asian pediatric patients. We simulated head computed tomography (CT ) examinations in 104 pediatric patients. Effective diameter (deff) and water equivalent diameter (dw) were measu...

journal_title：Radiation protection dosimetry

authors： Kawamoto K,Fukushima Y,Matsuda A,Nakata M

更新日期：2020-12-17 00:00:00

abstract：:Lead has recently been recognised as a source of environmental pollution, including the lead used for radiation shielding in radiotherapy. The bremsstrahlung radiation caused by the interaction between the electron beam and lead may reduce the accuracy of radiotherapy. To avoid the use of lead, a new material composed...

journal_title：Radiation protection dosimetry

authors： Yue K,Luo W,Dong X,Wang C,Wu G,Jiang M,Zha Y

更新日期：2009-02-01 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：:Lung disease represents one of the most life-threatening conditions in prematurely born children. In the evaluation of the neonatal chest, the primary and most important diagnostic study is therefore the chest radiograph. Since prematurely born children are very sensitive to radiation, those radiographs may lead to a ...

journal_title：Radiation protection dosimetry

authors： Smans K,Struelens L,Smet M,Bosmans H,Vanhavere F

更新日期：2008-01-01 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：:This paper summarises the results of radon diffusion coefficient measurements in 360 common waterproof materials available throughout Europe. The materials were grouped into 26 categories according to their chemical composition. It was found that the diffusion coefficients of materials used for protecting houses again...

journal_title：Radiation protection dosimetry

authors： Jiránek M,Kotrbatá M

更新日期：2011-05-01 00:00:00

abstract：:The enhancing effect due to long-time irrigation with radium-containing groundwater on soil was investigated in this work. Samples from the Al-Qassim and Hail areas in Saudi Arabia were studied for their 226Ra and 228Ra inventories. Groundwater and soil samples were collected from 32 farms where agricultural activitie...

journal_title：Radiation protection dosimetry

authors： Ebaid YY

更新日期：2020-06-24 00:00:00

abstract：:The study of spatial distribution of the indoor radon has assumed in the last years a lot of interest. The geostatistical techniques turn out to be particularly promising. The present work presents the results of a study where around 4000 indoor radon data from Veneto, Friuli Venezia-Giulia and Alto Adige, collected d...

journal_title：Radiation protection dosimetry

authors： Bertolo A,Bigliotto C,Giovani C,Garavaglia M,Spinella M,Verdi L,Pegoretti S

更新日期：2009-12-01 00:00:00

abstract：:We proposed and evaluated a water-equivalent diameter calculation without using a region of interest (ROI), (Dw,t) and compared it with the results of using a ROI fitted to the patient border (Dw,f). Evaluations were carried out on thoracic and head CT images. We found that the difference between Dw,t and Dw,f was wit...

journal_title：Radiation protection dosimetry

authors： Anam C,Arif I,Haryanto F,Widita R,Lestari FP,Adi K,Dougherty G

更新日期：2019-11-30 00:00:00

abstract：:The dosimetric technique described in this paper is based on electron spin resonance (ESR) detectors using an alanine-boric compound acid enriched with (10)B, and beryllium oxide thermoluminescent (TL) detectors; with this combined dosimetry, it is possible to discriminate the doses due to thermal neutrons and gamma r...

journal_title：Radiation protection dosimetry

authors： Bartolotta A,D'Oca MC,Lo Giudice B,Brai M,Borio R,Forini N,Salvadori P,Manera S

更新日期：2004-01-01 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：:Classical aerosol physics predicts that it is impossible to observe noticeable values of the unattached fraction of decay products of thoron at typical concentrations of aerosol particles. The experimental data have shown that the unattached fraction of the thoron decay products in a monazite storage facility is in th...

journal_title：Radiation protection dosimetry

authors： Zhukovsky M,Vasyanovich M,Onishchenko A

更新日期：2020-11-27 00:00:00

abstract：:In May 2000, the chairman of the European Radiation Dosimetry Group (EURADOS) invited a number of experts with experience of cosmic radiation dosimetry to form a working group (WG 5) on aircraft crew dosimetry. Three observers from the Article 31 Group of Experts as well as one observer from the Joint Aviation Authori...

journal_title：Radiation protection dosimetry

authors： Beck P,Bartlett D,Lindborg L,McAulay I,Schnuer K,Schraube H,Spurny F

更新日期：2006-01-01 00:00:00

abstract：:This study compares the effective doses from a MIRD-type stylised model with those derived from the scaled-down version of the tomographic VIP-Man model for photon, electron, neutron and proton beams. The effective dose results from these two models show that they differ from each other within approximately 10% for co...

journal_title：Radiation protection dosimetry

authors： Xu XG,Chao TC,Bozkurt A

更新日期：2005-01-01 00:00:00

abstract：:Radionuclides that have entered the environment through nuclear weapon tests, nuclear accidents or other human activities represent an ecological hazard. Many decontamination techniques are technically and financially demanding and often not environmentally beneficial. A suitable alternative is bioremediation techniqu...

journal_title：Radiation protection dosimetry

authors： Galanda D,Tatarová D,Kuruc J,Gaálová B,Slimáková J

更新日期：2019-12-31 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：:The new RAMARN system for radon volume activity measurement was developed in 2003 and has been in use since then. RAMARN system consists of a plastic chamber that is conically cylindrical in shape and about 0.5 l in volume; a bare Kodak LR 115 is located on the bottom of this diffusion chamber. The size was chosen to ...

journal_title：Radiation protection dosimetry

authors： Thinová L,Burian I

更新日期：2008-01-01 00:00:00

abstract：:In the frame of the EU Coordination Action CONRAD (coordinated network for radiation dosimetry), WP4 was dedicated to work on computational dosimetry with an action entitled 'Uncertainty assessment in computational dosimetry: an intercomparison of approaches'. Participants attempted one or more of eight problems. This...

journal_title：Radiation protection dosimetry

authors： de Carlan L,Price R,Chartier JL,Kodeli I,Siebert B,Henninger J,Posselt J,Gualdrini G,Agosteo S,Bedogni R,Bordy JM,Cassette P,Ferrari P,Gomez Ros JM,Grosswendt B,Lacoste V,Pola A,Rollet S,Schultz F,Simakov SP,Tanne

更新日期：2008-01-01 00:00:00

abstract：:A methodology for the evaluation of skin dose distribution and possible skin injuries on patients undergoing interventional procedures has been developed as part of the European DIMOND programme. Relevant dosimetric data from the procedures are recorded and other specific measurements for skin dose evaluation (slow fi...

journal_title：Radiation protection dosimetry

authors： Vano E,Gonzalez L,Guibelalde E,Aviles P,Fernandez JM,Prieto C,Galvan C

更新日期：2005-01-01 00:00:00

abstract：:A device able to trap a liquid droplet in a host liquid in a metastable (superheated) state was developed for a better understanding of the operational principles and for an extension of the application of superheated drop detectors (SDDs). Droplets of trans-2-butene in a metastable state were exposed to Am-Be neutron...

journal_title：Radiation protection dosimetry

authors： Sawamura T,Joji T,Homma A

更新日期：2003-01-01 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：:Within the framework of the EURADOS Working Group 11, a comparison of passive neutron dosemeters in high-energy neutron fields was organised in 2011. The aim of the exercise was to evaluate the response of poly-allyl-glycol-carbonate neutron dosemeters from various European dosimetry laboratories to high-energy neutro...

journal_title：Radiation protection dosimetry

authors： Trompier F,Boschung M,Buffler A,Domingo C,Cale E,Chevallier MA,Esposito A,Ferrarini M,Geduld DR,Hager L,Hohmann E,Mayer S,Musso A,Romero-Esposito M,Röttger S,Smit FD,Sashala Naik A,Tanner R,Wissmann F,Caresana M

更新日期：2014-10-01 00:00:00

abstract：:The purpose of the research was to determine the effect of the posteroanterior (PA) patient position in lumbar spine imaging on effective dose and the absorbed organ dose. The study was performed on 100 patients that were referred to the lumbar spine radiography that were divided into two equal groups of 50. Body Mass...

journal_title：Radiation protection dosimetry

authors： Alukić E,Mekiš N

更新日期：2019-12-31 00:00:00