Non-radiation induced signals in TL dosimetry.

abstract：:The ESOREX project was initiated in 1997 by the EC DG TREN and it was executed by the BfS/Germany in close co-operation with the State Office for Nuclear Safety/Czech Republic). It consists of surveys on radiation monitoring and exposure carried out in the 30 European states. The study provides comparable descriptions...

journal_title：Radiation protection dosimetry

authors： Frasch G,Petrová K

更新日期：2007-01-01 00:00:00

abstract：:In 2011, national diagnostic reference levels (DRLs) were proposed for pain management fluoroscopic procedures in Belgium. The primary goal of this work is to compare the dose area product values (DAP) recorded at the Saint-Luc University Hospital to these DRLs. From 2012 to 2015, 7664 interventional pain management p...

journal_title：Radiation protection dosimetry

authors： Hustinx N,Steyaert A,le Polain de Waroux B,Forget P

更新日期：2018-05-01 00:00:00

abstract：:Major contaminants from venting and hydrogen explosions at the Fukushima Daiichi nuclear reactors between 12 and 15 March 2011 were transported northwestward and deposited on soil and plants via precipitation. Surface soils and plant leaves were sampled at 64 sites in the Fukushima Prefecture. The highest concentratio...

journal_title：Radiation protection dosimetry

authors： Tazoe H,Hosoda M,Sorimachi A,Nakata A,Yoshida MA,Tokonami S,Yamada M

更新日期：2012-11-01 00:00:00

abstract：:The central motto 'Radiation Protection Culture-A Global Challenge' of the fourth European IRPA Congress is discussed on the basis of the IRPA Guiding Principles Establishing a Radiation Protection Culture and the contributions presented in the plenary sessions of the conference. ...

journal_title：Radiation protection dosimetry

authors： Michel R,Henrichs K,Wernli C

更新日期：2015-04-01 00:00:00

abstract：:The results of a study dealing with detection of neutrons in thermoluminescent (TL) photon radiation detectors, type TLD-500, based on an anion-defective corundum have been reported. The detection method uses the transformation of neutron radiation into gamma radiation arising when neutrons are captured by cadmium nuc...

journal_title：Radiation protection dosimetry

authors： Nikiforov SV,Kortov VS,Milman II

更新日期：2002-01-01 00:00:00

abstract：:One of the topics covered by the OMINEX (Optimisation of Monitoring for Internal Exposure) project was to look at the bioassay measurements performed in the European laboratories. Questionnaires on bioassay measurements by alpha spectrometry or inductively coupled plasma-mass spectrometry (ICP-MS) were sent to Europea...

journal_title：Radiation protection dosimetry

authors： Hurtgen C,Cossonnet C

更新日期：2003-01-01 00:00:00

abstract：:A thermoluminescence (TL) study relevant to radiation dosimetry has been carried out for X-ray irradiated biotite mineral under un-annealed and different annealed (473, 573, 673 and 773 K) conditions. Some significant variations in dosimetric characteristics have been observed with annealing treatment. Due to generati...

journal_title：Radiation protection dosimetry

authors： Kalita JM,Wary G

更新日期：2015-04-01 00:00:00

abstract：:The Smith-Etherington extrathoracic (ET) clearance model has been developed to describe clearance from the human nasal passage as observed for 1.5, 3 and 6 microm monodisperse particles inhaled by participants while sitting or at light exercise. Model parameter values have been determined for 22 sets of nasal clearanc...

journal_title：Radiation protection dosimetry

authors： Smith JR

更新日期：2003-01-01 00:00:00

abstract：:Albedo dosemeters remain the most used dosemeters in neutron individual monitoring. In Brazil, most of the neutron occupational fields are from radionuclide sources, often without any moderation, where albedo dosemeters have poor energy response. The purpose of this work is to compare the HP(10) energy response of the...

journal_title：Radiation protection dosimetry

authors： Freitas BM,da Silva AX,Pereira WW,Mauricio CLP

更新日期：2018-08-01 00:00:00

abstract：:Observer performance studies are time-consuming tasks, both for the participating observers and for the scientists collecting and analysing the data. A possible way to optimise such studies is to perform them in a completely digital environment. A software tool-ViewDEX (Viewer for Digital Evaluation of X-ray images)-h...

journal_title：Radiation protection dosimetry

authors： Börjesson S,Håkansson M,Båth M,Kheddache S,Svensson S,Tingberg A,Grahn A,Ruschin M,Hemdal B,Mattsson S,Månsson LG

更新日期：2005-01-01 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：:Gamma spectrometry of well water was done to measure the activity concentrations of gamma-emitters 226Ra and 228Ra from 238U and 232Th series, respectively, and 40K in their waters. Measurements were done using high-purity (HPGe) co-axial detectors (Canberra, GC 2018-7500 ) coupled to Canberra Multichannel Analyser sy...

journal_title：Radiation protection dosimetry

authors： Ajayi OS,Owolabi TP

更新日期：2008-01-01 00:00:00

abstract：:The design and dosimetry of a novel in vitro radon irradiation facility to investigate cytogenetic damage induced by radon and progeny is described. The system offers a 4pi geometry for uniform irradiation, proving a versatile and convenient facility for irradiation of whole blood cells in suspension or media. Doses c...

journal_title：Radiation protection dosimetry

authors： Hamza VZ,Kumar PR,Jeevanram RK,Santanam R,Danalaksmi B,Mohankumar MN

更新日期：2008-01-01 00:00:00

abstract：:Various methodologies that aim at an analytic representation of the dielectric response function (DRF) of liquid water with emphasis on the Bethe ridge region are compared. The use of optical data is a common feature to all models presented providing an empirical ground for modelling the valence energy losses where ma...

journal_title：Radiation protection dosimetry

authors： Emfietzoglou D,Nikjoo H,Pathak A

更新日期：2006-01-01 00:00:00

abstract：:A series of magnesium sulphate phosphors MgSO4:RE3+,X ( RE = Dy, Tm, Eu and X = P, Mn) have been prepared and studied. Based on the experimental results of thermoluminescence (TL) emission spectra and dose responses studies, it is proposed that in these phosphors large defect complexes are formed, which include intrin...

journal_title：Radiation protection dosimetry

authors： Luo DL,Tang Q,Zhang CX

更新日期：2006-01-01 00:00:00

abstract：:Spinal deformities affect young individuals predominantly girls who are usually subjected to regular and intensive radiological investigation especially before and after corrective surgery. Optimisation of spine computed tomography (CT) and the implementation of the low-dose CT in the work-up of spinal deformities wer...

journal_title：Radiation protection dosimetry

authors： Abul-Kasim K

更新日期：2010-04-01 00:00:00

abstract：:It has become increasingly evident from reports in the literature that there are many confounding factors capable of modulating radiation-induced non-targeted responses, such as the bystander effect and the adaptive response. In this paper, we examine recent data which suggest that the observation of non-targeted resp...

journal_title：Radiation protection dosimetry

authors： Sowa MB,Goetz W,Baulch JE,Lewis AJ,Morgan WF

更新日期：2011-02-01 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

abstract：:In the framework of collaboration among the ENEA Radiation Protection Institute (Bologna), the ENEA Fusion Department (Frascati) and the INFN-LNF-Radiation Protection Group (Frascati), an experimental campaign was organised on the usage of thermoluminescence dosemeters (TLDs) for the dosimetric and spectrometric chara...

journal_title：Radiation protection dosimetry

authors： Bedogni R,Angelone M,Esposito A,Chiti M

更新日期：2006-01-01 00:00:00

abstract：:The reconstruction of radiation doses to Mayak Production Association workers in central Russia supports radiation epidemiological studies for the U.S.-Russian Joint Coordinating Committee on Radiation Effects Research. The most recent version of the dosimetry was performed with the Mayak Worker Dosimetry System-2013....

journal_title：Radiation protection dosimetry

authors： Napier BA

更新日期：2017-11-01 00:00:00

abstract：:Public opinion on the application of nuclear technology and radiation could change when a nuclear related event occurs. Japan Atomic Energy Relations Organization has tracked its variation through a nationwide opinion survey in Japan by almost the same way every year since FY 2006. We can identify a continuous long-te...

journal_title：Radiation protection dosimetry

authors： Iimoto T,Takashima R,Kimura H,Kawakami K,Endo H,Yasuda H,Nagata N,Sakai N,Kawasaki Y,Funakoshi M

更新日期：2019-10-01 00:00:00

abstract：:Studies for the determination of radionuclide concentrations in foodstuffs, water and air were carried out in Cuba for the estimation of annual committed effective doses to members of the public as a result of environmental radionuclides via ingestion and inhalation. As a result of these studies, it was possible to de...

journal_title：Radiation protection dosimetry

authors： Tomás Zerquera J,Prendes Alonso M,Fernández Gómez IM,Rodríguez Castro GV,Martínez Ricardo N,López Bejerano G,Ara do López JO,Acosta Rodríguez N,Carrazana González J,Brígido Flores O,Hernández Pérez A,Díaz Rizo O

更新日期：2006-01-01 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：: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

abstract：:Data on the daily urinary excretion of thorium (Th) was obtained from 15 non-exposed adult German subjects. A radiochemical neutron activation analysis method was developed and standardised especially for this purpose. The daily urinary excretion of 232Th was found to be in the range 1.9-14.9 microBq d(-1) with a mean...

journal_title：Radiation protection dosimetry

authors： Höllriegl V,Li WB,Oeh U,Röhmuss M,Roth P

更新日期：2005-01-01 00:00:00

abstract：:A single-parameter geometry to describe soil is achieved for Monte Carlo calculation of absorbed dose rate in air for photon emitters from natural radionuclides. This optimised geometry based on physical assumptions consists of the soil part whose emitted radiation has a given minimum probability to reach the detector...

journal_title：Radiation protection dosimetry

authors： Askri B,Manai K,Trabelsi A,Baccari B

更新日期：2008-01-01 00:00:00

abstract：:Since December 2006, approximately 3800 clinical chest tomosynthesis examinations have been performed at our department at Sahlgrenska University Hospital. A subset of the examinations has been included in studies of the detectability of pulmonary nodules, using computed tomography (CT) as the gold standard. Visibilit...

journal_title：Radiation protection dosimetry

authors： Johnsson AA,Vikgren J,Svalkvist A,Zachrisson S,Flinck A,Boijsen M,Kheddache S,Månsson LG,Båth M

更新日期：2010-04-01 00:00:00

abstract：:Estimating organ absorbed doses in consideration of person-specific parameters is important for radiation protection in diagnostic nuclear medicine. This study proposes a straightforward method for estimating the organ dose that reflects a specific organ mass by scaling the reference organ dose using the inverse ratio...

journal_title：Radiation protection dosimetry

authors： Manabe K,Koyama S

更新日期：2020-07-24 00:00:00

abstract：:In this work, the MCNP4B code has been employed to calculate conversion coefficients from air kerma to the ambient dose equivalent, H*(10)/Ka, for monoenergetic photon energies from 10 keV to 50 MeV, assuming the kerma approximation. Also estimated are the H*(10)/Ka for photon beams produced by linear accelerators, su...

journal_title：Radiation protection dosimetry

authors： Lima MA,Silva AX,Crispim VR

更新日期：2004-01-01 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