Gamma-ray emitting test sources for Portal Monitors used for homeland security.

abstract：:In a large village, Veprin of the Bryansk region of Russia contaminated with radionuclides as a result of the Chernobyl accident, 137Cs concentration in food products of agricultural produce and natural origin was regularly measured, local inhabitants were polled on the composition of their diet, and the 137Cs content...

journal_title：Radiation protection dosimetry

authors： Travnikova IG,Bruk GJ,Shutov VN,Bazjukin AB,Balonov MI,Rahola T,Tillander M

更新日期：2001-01-01 00:00:00

abstract：:The experimental energy dependence of the electron paramagnetic resonance (EPR) radiation-induced signal at irradiation by photons in the energy range of 13 keV-1.25 MeV was analysed in terms of the absorbed dose in human tooth enamel. The latter was calculated using a Monte Carlo simulation of the photon and electron...

journal_title：Radiation protection dosimetry

authors： Ivannikov AI,Tikunov DD,Borysheva NB,Trompier F,Skvortsov VG,Stepanenko VF,Hoshi M

更新日期：2004-01-01 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：:On the occasion of the 20th anniversary of the Chernobyl accident an attempt has been made to evaluate the impact of the Chernobyl accident on the global burden of human cancer in Europe. This required the estimation of radiation doses in each of the 40 European countries. Dose estimation was based on the analysis and...

journal_title：Radiation protection dosimetry

authors： Drozdovitch V,Bouville A,Chobanova N,Filistovic V,Ilus T,Kovacic M,Malátová I,Moser M,Nedveckaite T,Völkle H,Cardis E

更新日期：2007-01-01 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：:This study identified occupational factors associated with radiation exposure in Korea. Survey data of 16 037 workers from 2016 to 2017, including lifestyle factors and occupational characteristics, were combined with the National Dose Registry. Higher average annual doses were observed in groups exhibiting health ris...

journal_title：Radiation protection dosimetry

authors： Kim J,Seo S,Lee DN,Park S,Im KJ,Park S,Jin YW

更新日期：2020-07-07 00:00:00

abstract：:A Bayesian unfolding has been applied to ionisation distributions due to 5.4 MeV alpha particles in a 20-nm site obtained using Monte Carlo simulations, taking into account different detection efficiency conditions. The ideal case of a target volume with uniform efficiency has been investigated to study the dependence...

journal_title：Radiation protection dosimetry

authors： De Nardo L,Lesimple M,Canella S,Grosswendt B

更新日期：2004-01-01 00:00:00

abstract：:Individual neutron dosimetry represents one of the current difficulties in the field of radiological protection of workers. Since March 1999, the regulatory requirements in France for active (i.e. operational) dosimetry have been those of ICRP Publication 60, applicable from May 2000, necessitating the introduction of...

journal_title：Radiation protection dosimetry

authors： Lahaye T,Cutarella D,Ménard S,Bolognese-Milsztajn T

更新日期：2001-01-01 00:00:00

abstract：:For the radiation survey at intermediate and high-energy accelerators, there is a need for a neutron dosemeter which provides reliable readings of the neutron dose in a wide energy range for continuous and pulsed radiation. The objective of this development is to find a dosemeter that fulfils the necessary requirement...

journal_title：Radiation protection dosimetry

authors： Sokolov A,Fehrenbacher G,Radon T

更新日期：2016-09-01 00:00:00

abstract：:The powerful white neutron spectrum from Gelina is used for the investigation of gamma ray production cross sections in the reaction 52Cr(n,n'gamma)52Cr. The gamma rays from the inelastic process are detected with two large volume HPGe detectors placed at 110 degrees and 150 degrees with respect to the beam direction....

journal_title：Radiation protection dosimetry

authors： Mihailescu LC,Borcea C,Plompen AJ

更新日期：2005-01-01 00:00:00

abstract：:In 1983, a young man inhaled accidentally a large amount of plutonium and americium. This case was carefully followed until 2013. Since no decorporation measures had been taken, the undisturbed metabolism of Pu and Am can be derived from the data. First objective was to determine the amount of inhaled radionuclides an...

journal_title：Radiation protection dosimetry

authors： Wernli C,Eikenberg J,Marzocchi O,Breustedt B,Oestreicher U,Romm H,Gregoratto D,Marsh J

更新日期：2015-04-01 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：: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：:Fluorescent in situ hybridisation analysis of stable translocations was performed for 26 residents living along the Techa River (Russia), who were predominantly (95%) exposed to ingested strontium radioisotopes ((89)Sr and (90)Sr) resulting in exposure of their red bone marrow (RBM). Analysis was conducted at the Ural...

journal_title：Radiation protection dosimetry

authors： Vozilova AV,Shagina NB,Degteva MO,Moquet J,Ainsbury EA,Darroudi F

更新日期：2014-06-01 00:00:00

abstract：:Thorium is used in many different industrial technologies and is widely found in nature. Internal contamination with thorium is considered as highly hazardous because of its radiological and chemical toxicities, which depend on the chemical form in which thorium appears. The assessment of the thorium body burden is th...

journal_title：Radiation protection dosimetry

authors： Genicot JL,Bruggeman M

更新日期：2001-01-01 00:00:00

abstract：:To investigate the repair process of DNA damage induced by ionizing radiation in isolation from various types of cytoplasmic damage, we transfected X-irradiated enhanced green fluorescent protein (EGFP)-expressing plasmid DNA into non-irradiated mammalian cells using lipofectamine. The repair kinetics of the irradiate...

journal_title：Radiation protection dosimetry

authors： Nakaue H,Obata Y,Kaminaga K,Akimitsu N,Yokoya A

更新日期：2019-05-01 00:00:00

abstract：:Estimation of the effective inhalation dose of short half-life radon progeny requires the quantification of radon equilibrium equivalent activity concentrations (EEC, Ceq). The aim of the present study is to develop new methodology that focuses on spot measurements to determine EEC from single gross alpha counts and d...

journal_title：Radiation protection dosimetry

authors： Sakoda A,Ishimori Y,Kanzaki N,Tanaka H

更新日期：2020-11-13 00:00:00

abstract：:Based on the non-intersection model of cylindrical capillaries, the mean radius of the pores of some soils and building materials are estimated. In size, the above-mentioned radii are usually of the order of the free path of gas molecules at atmospheric pressure. A review of pore size distribution data also reveals th...

journal_title：Radiation protection dosimetry

authors： Minkin L

更新日期：2003-01-01 00:00:00

abstract：:Tritium present in the environment gradually decreased in the last decades and nowadays it has reached extremely low activity concentrations. The purpose of the present work is the implementation of a tritium enrichment system in water samples using electrolytic techniques and pure nickel and iron electrodes. In the p...

journal_title：Radiation protection dosimetry

authors： Garbarino G,Magnoni M,Bertino S,Losana MC

更新日期：2009-12-01 00:00:00

abstract：:Within the framework of a joint research project on natural radiation exposure and its health effects in Cameroon from 2014 to 2017, the Institute of Geological and Mining Research and the Hirosaki University worked together to carry out natural radiation survey in mining and ore bearing regions of Cameroon. Air kerma...

journal_title：Radiation protection dosimetry

authors： Tokonami S,Hosoda M,Joseph Emmanuel NNI,Akata N,Flore TSY,Modibo OB,Samuel BG,Didier TSS

更新日期：2019-10-01 00:00:00

abstract：:This article provides an assessment of the impact of global fallout on (137)Cs contamination in the bottom sediments of Kara Sea. The erosiveness of 10th-level river basins was estimated by landscape-geochemical and geomorphological characteristics. All 10th-level basins (n=154) were separated into three groups: mount...

journal_title：Radiation protection dosimetry

authors： Miroshnikov A,Semenkov I

更新日期：2012-11-01 00:00:00

abstract：:The World Health Organization (WHO), the International Commission on Non-Ionizing Radiation Protection (ICNIRP), WHO's scientific collaborating centres (including the UK's National Radiological Protection Board (NRPB)) and over 50 participating Member States are participants of WHO's International EMF Project. As part...

journal_title：Radiation protection dosimetry

authors： Repacholi MH

更新日期：2003-01-01 00:00:00

abstract：:In the Gastein valley, numerous facilities use radon for the treatment of various diseases either by exposure to radon in air or in radon rich thermal water. In this study, six test persons were exposed to radon thermal water in a bathtub and the time-dependent radon activity concentration in the exhaled air was recor...

journal_title：Radiation protection dosimetry

authors： Lettner H,Hubmer A,Hofmann W,Landrichinger J,Gaisberger M,Winkler-Heil R

更新日期：2017-11-01 00:00:00

abstract：:Continuous observation of radioactivity ratio of (214)Bi to (214)Pb as tracers in rainwater was carried out with 15-min cyclic measurement at Nagoya, Japan, from August 2011 to July 2012 to characterise wet deposition. The ratio ranged from 0.55 to 3.82. Based on the observation and a simplified time evolution model o...

journal_title：Radiation protection dosimetry

authors： Moriizumi J,Kondo D,Kojima Y,Liu H,Hirao S,Yamazawa H

更新日期：2015-11-01 00:00:00

abstract：:The dosimetric use of the chemical solution chlorobenzene-ethanol-trimethylpentane (CET) is based on the radiolytic formation of hydrochloric acid, which protonates a pH indicator thymolsulphonphthalein. On the basis of the CET solution, an accident and emergency personal dosemeter was designed allowing doses in the r...

journal_title：Radiation protection dosimetry

authors： Miljanić S,Razem D

更新日期：2007-01-01 00:00:00

abstract：:One encouraging way, at present, to put the investigation of ionisation-yield formation in sub-cellular structures or, at least, in nanometric volumes of liquid water on an experimental basis is the use of highly sophisticated counters filled with gases at low operating pressure to simulate target volumes a few nm in ...

journal_title：Radiation protection dosimetry

authors： Grosswendt B

更新日期：2002-01-01 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：: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：: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：: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