Comparison of results from quality control of physical parameters and results from clinical evaluation of mammographic images for the mammography screening facilities in Poland.

abstract：:This work describes a technique for the measurement of 222Rn by absorption in polycarbonate (PC) powder and liquid scintillation counting (LSC). The work is an improvement of the recently proposed method for 222Rn measurements by LSC of exposed PC grains. It is demonstrated that the use of PC powder as a 222Rn sampler...

journal_title：Radiation protection dosimetry

authors： Mitev K,Georgiev S,Pressyanov D,Dimitrova I,Zhivkova V,Boshkova T

更新日期：2014-07-01 00:00:00

abstract：:A device based on a single silicon detector of special converter/detector design optimised for the determination of the neutron dose equivalent is also used for the determination of the photon dose equivalent. While the neutron dose is determined on the basis of signals corresponding to energy depositions above 1.5 Me...

journal_title：Radiation protection dosimetry

authors： Luszik-Bhadra M

更新日期：2002-01-01 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 accidents are fortunately infrequent occurrences, but since their consequences can be very serious as in the Chernobyl and the Fukushima nuclear accidents, medical management of radiation accidents is of great importance. Besides several other tasks, medical management of radiation accidents is one of the ke...

journal_title：Radiation protection dosimetry

authors： Dörr H,Meineke V

更新日期：2012-10-01 00:00:00

abstract：:An optical fibre radiation dosemeter has been developed that utilises optically stimulated luminescence and scintillation to provide independent, remote, real-time dose measurements. The radiation sensitive element consists of a 1 mm long, 0.4 mm diameter piece of copper-ion-doped fused quartz that is attached to a 1 ...

journal_title：Radiation protection dosimetry

authors： Huston AL,Justus BL,Falkenstein PL,Miller RW,Ning H,Altemus R

更新日期：2002-01-01 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：:The aim of this work is to calculate the absorbed dose to matter due to neutrons in the 5-150 MeV energy range. Materials involved in the calculations are Al2O3, CaSO4 and CaS, which may be used as dosemeters and have already been studied for their luminescent properties. The absorbed dose is assumed to be mainly due ...

journal_title：Radiation protection dosimetry

authors： Wrobel F,Benabdesselam M,Iacconi P,Lapraz D

更新日期：2004-01-01 00:00:00

abstract：:A comparative analysis of radiation doses determined by tooth enamel electron paramagnetic resonance (EPR) spectroscopy and by an acknowledged analytical method is performed for individual doses and for average doses in population of some settlements of the Bryansk region (Russia), which have been contaminated after t...

journal_title：Radiation protection dosimetry

authors： Ivannikov AI,Skvortsov VG,Stepanenko VF,Zhumadilov KSh

更新日期：2014-06-01 00:00:00

abstract：:The International Commission on Radiological Protection (ICRP) has published two reports giving recommendations dealing with the avoidance of deterministic injuries in interventional radiology and the management of patient dose in digital radiology in 2001 and 2004, respectively. Another document, on radiation protect...

journal_title：Radiation protection dosimetry

authors： Vano E,Faulkner K

更新日期：2005-01-01 00:00:00

abstract：:With the introduction of continuous-energy heavy charged particle transport in MCNP5, the need for tracking charged particles in a magnetic field becomes increasingly important. Two methods for including magnetic field effects on charged particles are included in the proton transport version of the code. The first tec...

journal_title：Radiation protection dosimetry

authors： Bul JS,Hughes HG,Walstrom PL,Zumbro JD,Mokhov NV

更新日期：2005-01-01 00:00:00

abstract：:Annual effective dose due to the consumption of 40K, 226Ra, 228Ra and 228Th was estimated from high-resolution gamma spectrometry, food consumption data for the inhabitants of Rio de Janeiro City and dose coefficients published by the ICRP 119. A total of 31 samples of cereals, grains, vegetables, flours, liquid and p...

journal_title：Radiation protection dosimetry

authors： Lopes JM,Garcêz RWD,Filgueiras RA,Silva AX,Braz D

更新日期：2018-10-01 00:00:00

abstract：:The relation of radiation exposure (dose) with acute radiation syndrome (ARS) depends on many factors. In this overview, we reconsider (1) radiation exposure characteristics (e.g. radiation quality, fractionation, dose rate, partial/total body irradiation) and (2) biological processes (e.g. radiosensitivity, cell cycl...

journal_title：Radiation protection dosimetry

authors： Port M,Majewski M,Abend M

更新日期：2019-12-31 00:00:00

abstract：:AVIDOS is a computer code used for the dose assessment of aircraft crew exposed to cosmic radiation. The code employs a multiparameter model built upon simulations of cosmic radiation exposure done using the FLUKA Monte Carlo code. AVIDOS calculates both ambient dose equivalent H*(10) and effective dose E for flight r...

journal_title：Radiation protection dosimetry

authors： Latocha M,Beck P,Rollet S

更新日期：2009-10-01 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：:During the operation of high-energy accelerators, the interaction of radiation with matter can lead to the activation of the machine components and of the surrounding infrastructures. As a result of maintenance operation and during decommissioning of the installation, considerable amounts of radioactive waste are evac...

journal_title：Radiation protection dosimetry

authors： Ulrici L,Magistris M

更新日期：2009-11-01 00:00:00

abstract：:A BEAMnrc Monte Carlo simulation of a diagnostic X-ray unit in a broad beam geometry intended for the derivation of effective linear attenuation coefficients was validated against measurements made on the X-ray unit on which the simulation was based. The validation process assessed the size of the beam, the first and ...

journal_title：Radiation protection dosimetry

authors： Worrall M,Sutton DG

更新日期：2019-12-31 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：:The purpose of the research is to develop an integrated technique for determining the effective dose (E) of external and internal exposure by different sources of ionizing radiation. The proposing technique for determining the total effective dose is based on three methods of calculation. The first one is multiplying ...

journal_title：Radiation protection dosimetry

authors： Kudryashev VA,Kim DS

更新日期：2019-12-31 00:00:00

abstract：:Due to releases of radionuclides in the Fukushima Daiichi Nuclear Power Plant accident, radiocesium ((134)Cs and (137)Cs) has been incorporated into large varieties of plant species and soil types. There is a possibility that radiocesium taken into plants is being diffused by pollen. Radiocesium concentrations in ceda...

journal_title：Radiation protection dosimetry

authors： Tsuruoka H,Inoue K,Sakano Y,Hamada M,Shimizu H,Fukushi M

更新日期：2015-11-01 00:00:00

abstract：:This paper describes the findings of the radiation situation analysis on-site near Sysoeva and Razbojnik Bays. The results of radiation monitoring performed by radiological laboratory of DalRAO and studies performed by the experts from the Burnasyan Federal Medical Biophysical Centre have been used in the course of an...

journal_title：Radiation protection dosimetry

authors： Shandala NK,Kiselev SM,Lucyanec AI,Titov AV,Seregin VA,Isaev DV,Akhromeev SV

更新日期：2011-07-01 00:00:00

abstract：:The image background resulting from imaged anatomy can be divided into those components that are meaningful to the observers, in the sense that they are recognised as separate structures, and those that are not. These latter components (reffered to as anatomical noise) can be removed using a method developed within th...

journal_title：Radiation protection dosimetry

authors： Båth M,Håkansson M,Börjesson S,Hoeschen C,Tischenko O,Kheddache S,Vikgren J,Månsson LG

更新日期：2005-01-01 00:00:00

abstract：:The physics foundations of hadronic interactions as implemented in most Monte Carlo codes are presented together with a few practical examples. The description of the relevant physics is presented schematically split into the major steps in order to stress the different approaches required for the full understanding o...

journal_title：Radiation protection dosimetry

authors： Ferrari A,Sala PR

更新日期：2002-01-01 00:00:00

abstract：:This paper describes the objectives and reviews the progress of EULEP Working Party 5, convened under the auspices of the European Union's Fifth Framework Programme, to 'cluster' two EU-supported contracts, Biokinetics and Dosimetry of Internal Contamination (BIODOS (EU Contract FIS5-1999-00214)) and Radionuclide Biok...

journal_title：Radiation protection dosimetry

authors： Taylor DM,Stradling GN,Ménétrier F

更新日期：2003-01-01 00:00:00

abstract：:QUADOS, a Concerted Action of the European Commission, has promoted an intercomparison aimed at evaluating the use of computational codes for dosimetry in radiation protection and medical physics. This intercomparison was open to all users of radiation transport codes. Eight problems were selected for their relevance ...

journal_title：Radiation protection dosimetry

authors： Gualdrini G,Agosteo S,Ménard S,Price RA,Chartier JL,Grosswendt B,Kodeli I,Leuthold GP,Siebert BR,Tagziria H,Tanner RJ,Terrissol M,Zankl M

更新日期：2005-01-01 00:00:00

abstract：:The National Institute of Standards and Technology developed a new set of test sources for testing of portal monitors against the ANSI standard N42.35-2004. The design and source specifications are provided in this work. ...

journal_title：Radiation protection dosimetry

authors： Lucas L,Pibida L,Unterweger M,Karam L

更新日期：2005-01-01 00:00:00

abstract：:The aim of the study was to investigate the contribution of secondary neutrons to the total dose inside the International Space Station (ISS). For this purpose solid-state nuclear track detector (SSNTD) stacks were used. Each stack consisted of three CR-39 sheets. The first and second sheets were separated by a Ti pla...

journal_title：Radiation protection dosimetry

authors： Pálfalvi JK,Akatov Y,Szabó J,Sajó-Bohus L,Eördögh I

更新日期：2004-01-01 00:00:00

abstract：:Urine monitoring is the preferred method to determine exposure to soluble compounds of uranium in workplaces. The interpretation of uranium contents in workers bioassay samples requires knowledge on uranium excretion and its dependence on intake by diet. Exceptionally high concentrations of natural uranium in private ...

journal_title：Radiation protection dosimetry

authors： Muikku M,Heikkinen T,Puhakainen M,Rahola T,Salonen L

更新日期：2007-01-01 00:00:00

abstract：:Lost wax casting is an industrial process which permits the transmutation into metal of models made in wax. The wax model is covered with a silicaceous shell of the required thickness and once this shell is built the set is heated and wax melted. Liquid metal is then cast into the shell replacing the wax. When the met...

journal_title：Radiation protection dosimetry

authors： Alegría N,Legarda F,Herranz M,Idoeta R

更新日期：2005-01-01 00:00:00

abstract：:This study assesses the outdoor gamma absorbed dose levels in air of the Adana's region. The measurements were taken from 130 different sample points in this area by Eberline Smart Portable (ESP-2) with SPA-6 plastic scintillation detector. The outdoor gamma absorbed dose rates order from 40 to 145 nGy h(-1). Average ...

journal_title：Radiation protection dosimetry

authors： Degerlier M,Ozger G

更新日期：2008-01-01 00:00:00

abstract：:In this study, the total exposure due to signals within GSM 900, GSM 1800, CDMA-1900 and 3G-2100 frequency bands at 200 m from the foot of 120, 100 and 80 base station masts in the Nigerian cities of Lagos, Ibadan and Abuja, respectively, was assessed. A calibrated hand-held spectrum analyser was used to measure the l...

journal_title：Radiation protection dosimetry

authors： Ayinmode BO,Farai IP

更新日期：2020-12-31 00:00:00