Digital dual-parameter data acquisition for SP2 hydrogen-filled proportional counters.

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：: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：:Within the framework of the European Metrological Research Program (EMRP) IND04 MetroMetal 'Ionizing radiation metrology for the metallurgical industry', joint research carried out by 14 metrological institutions from countries within the European Union and the company ENVINET, questions concerning the determination o...

journal_title：Radiation protection dosimetry

authors： Tecl J,Solc J,Kovar P,Bunata M

更新日期：2014-11-01 00:00:00

abstract：:The existence of non-targeted effects (NTEs) of radiation (genomic instability and bystander effects) has been generally accepted for >20 y; however, there is research, which was largely ignored going back to 1915 reporting these effects. Despite today's general acceptance of the phenomenon of NTE, there is little agr...

journal_title：Radiation protection dosimetry

authors： Mothersill C,Seymour C

更新日期：2015-09-01 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：:Costs related to the decommissioning of nuclear power plants create a significant financial burden for nuclear power plant operators. This article discusses the various methodologies employed by selected European countries for financing of the liabilities related to the nuclear power plant decommissioning. The article...

journal_title：Radiation protection dosimetry

authors： Bemš J,Knápek J,Králík T,Hejhal M,Kubančák J,Vašíček J

更新日期：2015-06-01 00:00:00

abstract：:The 106 866 dwellings measured for radon in Finland so far by Radiation and Nuclear Safety Authority include 5560 apartments. The radon concentrations in ground-contact apartments are similar to those in low-rise residential buildings located in the same area. The values in apartments above the first floor do not sign...

journal_title：Radiation protection dosimetry

authors： Valmari T,Arvela H,Reisbacka H

更新日期：2012-11-01 00:00:00

abstract：:The emerging 5 G wireless devices working at frequencies above 6 GHz are expected to have antenna arrays formed by dipoles, slots, patches or their combination. At lower frequencies, the accepted criteria for exposure compliance is stated in terms of specific absorption rate. IEEE and ICNIRP are adopting epithelial or...

journal_title：Radiation protection dosimetry

authors： Carrasco E,Colombi D,Foster KR,Ziskin M,Balzano Q

更新日期：2019-06-01 00:00:00

abstract：:The objective of this work is to obtain fluence to effective dose conversion coefficients for neutron point sources, using the GEANT4 toolkit. These calculations aim to investigate the aspects of neutron transport in the human body through Monte Carlo simulation using the International Commission on Radiological Prote...

journal_title：Radiation protection dosimetry

authors： Ribeiro RM,Souza-Santos D

更新日期：2018-08-01 00:00:00

abstract：:STAC8 is a significant improvement upon its predecessor PHOTON and is a valuable analytical code for quick and conservative beamline shielding designs for synchrotron radiation (SR) facilities. In order to check the applicability, accuracy and limitations of STAC8, studies were conducted to compare the results of STAC...

journal_title：Radiation protection dosimetry

authors： Liu JC,Fasso A,Prinz A,Rokni S,Asano Y

更新日期：2005-01-01 00:00:00

abstract：:The focus of nuclear emergency planning in Austria has been so far on mitigating effects of widespread contamination (e.g. after NPP accidents); however, these plans did not contain provisions on the medical management of an acute radiation syndrome. To close this gap, a 'Medical Radiation Emergency Plan' was created ...

journal_title：Radiation protection dosimetry

authors： Ziegler A

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：:Digital breast tomosynthesis is a new three-dimensional (3D) breast-imaging modality that produces images of cross-sectional planes parallel to the detector plane from a limited number of X-ray projections over a limited angular range. Several technical and clinical parameters have not yet been completely optimised. S...

journal_title：Radiation protection dosimetry

authors： Shaheen E,Zanca F,Sisini F,Zhang G,Jacobs J,Bosmans H

更新日期：2010-04-01 00:00:00

abstract：:The effective dose E is an efficient and powerful parameter to study the radioprotection of the patient. In our hospital, eight radiological departments and more than 100 radiological X-ray tubes are present. The effective doses were calculated for adults and paediatric patients in 10 standard projections. To calculat...

journal_title：Radiation protection dosimetry

authors： Compagnone G,Pagan L,Bergamini C

更新日期：2005-01-01 00:00:00

abstract：:A secondary standard for ambient dose equivalent, H*(10), is necessary for the dissemination of the unit Sievert (Sv), but there is no such standard commercially available currently. Furthermore, the measurement of H*(10) instead of calculating H*(10) from air kerma and conversion coefficients is needed for unknown ra...

journal_title：Radiation protection dosimetry

authors： Bairlein K,Behnke B,Hupe O

更新日期：2020-06-24 00:00:00

abstract：:Across the globe nuclear utilities are in the process of designing and analysing Independent Spent Fuel Storage Installations (ISFSI) for the purpose of above ground spent-fuel storage primarily to mitigate the filling of spent-fuel pools. Using a conjoining of discrete ordinates transport theory (DORT) and Monte Carl...

journal_title：Radiation protection dosimetry

authors： Hagler RJ,Fero AH

更新日期：2005-01-01 00:00:00

abstract：:A multipurpose anthropomorphic neck phantom was designed and fabricated for use in medical applications. The designed neck phantom is composed of seven elliptic cylindrical slices with a semi-major axis of 14 cm and a semi-minor axis of 12.5 cm, each having the thickness of 2 cm. The thyroid gland, bony part of the ne...

journal_title：Radiation protection dosimetry

authors： Mehdizadeh Naderi S,Sina S,Karimipoorfard M,Lotfalizadeh F,Entezarmahdi M,Moradi H,Faghihi R

更新日期：2016-03-01 00:00:00

abstract：:For the calibration of personal dosemeters in terms of H(p)(10), the ISO water slab phantom shall be used. The irradiation geometry must be chosen such that the field diameter at the phantom front surface is large enough to irradiate the phantom completely and, in addition, homogeneously. However, in practice it is no...

journal_title：Radiation protection dosimetry

authors： Ankerhold U,Ambrosi P

更新日期：2010-06-01 00:00:00

abstract：:Radioiodine therapy is often the method of choice for treatment of hyperthyroidism because it is considered safe, is relatively inexpensive, and is convenient for the patient and except for occasional hypothyroidism, almost without side effects. Even though radioiodine treatment has been performed for over 50 years, t...

journal_title：Radiation protection dosimetry

authors： Jönsson H,Mattsson S

更新日期：2004-01-01 00:00:00

abstract：:Shin Kori unit 3 of Korea Hydro and Nuclear Power Co. is the pressurized water reactor of advanced power reactor 1400 (APR1400) in the Republic of Korea. A hypothetical accident was assumed for Shin Kori unit 3 to perform the time-dependent dose calculations along with the release rates of radionuclides to the environ...

journal_title：Radiation protection dosimetry

authors： Uddin GMB,Kim J

更新日期：2020-09-16 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：:Entrance surface doses (ESDs) were measured for the most common types of X ray procedures, such as chest PA, lumber spine AP, lumber spine lateral, skull AP, skull lateral and pelvis AP in four major hospitals of Dhaka, the capital city of Bangladesh. Organ/tissue doses for 29 organs/tissues and effective doses for th...

journal_title：Radiation protection dosimetry

authors： Begum Z

更新日期：2001-01-01 00:00:00

abstract：:Theoretical models to calculate the indoor gamma and radon doses are reviewed, refined and applied. The model for gamma doses is built based on the relative effects of the different room elements that control the amount of radiation. The relative doses are calculated by the MCNP5 simulation software. The gamma sources...

journal_title：Radiation protection dosimetry

authors： Orabi M

更新日期：2019-12-31 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 describes the sequence of events, medical aspects and dose estimations for two radiographers and their driver who were seriously exposed to an iridium-192 industrial radiography source that became detached from its wind-out cable. The men came to medical attention about 1 month later by which time all three...

journal_title：Radiation protection dosimetry

authors： Sevan'kaev AV,Lloyd DC,Edwards AA,Moquet JE,Nugis VY,Mikhailova GM,Potetnya OI,Khvostunov IK,Guskova AK,Baranov AE,Nadejina NM

更新日期：2002-01-01 00:00:00

abstract：:The effect of sample preparation on dentin electron paramagnetic resonance (EPR) spectra was investigated. The analysis was performed on dentin samples prepared by pure mechanical treatment or by an alkaline deproteination method. It was observed that (1) mechanical treatment induces both stable and transient signals,...

journal_title：Radiation protection dosimetry

authors： Fattibene P,Carosi A,De Coste V,Onori S

更新日期：2006-01-01 00:00:00

abstract：:Radon-222 concentrations in groundwater from 10 local government areas (LGAs) of Ogun State were measured using AlphaGUARD radon detector and AquaKIT. The mean activity concentration of radon ranged from 1.23 ± 0.21 to 12.68 ± 18.11 Bq.l-1 corresponding to geometric means (GMs) of 1.22- 6.39 Bq.l-1. The radon concentr...

journal_title：Radiation protection dosimetry

authors： Fatoki OO,Ademola JA

更新日期：2021-02-03 00:00:00

abstract：:Representative environmental samples (sandy soil, limestone, marble and gravels) collected from Wadi El Assuity, protective area, Assuit governorate in Upper Egypt have been investigated radiometrically using NaI (Tl) gamma-ray spectrometer. The specific activity of the radionuclides in Bq kg⁻¹ for soil ranged between...

journal_title：Radiation protection dosimetry

authors： El-Taher A

更新日期：2011-06-01 00:00:00

abstract：:In reviewing the tissue effects of low-dose radiation (1) absorbed dose to tissue is replaced by the sum of energy deposited with track events in cell-equivalent tissue micromasses, i.e. with microdose hits, in the number of exposed micromasses and (2) induced cell damage and adaptive protection are related to microdo...

journal_title：Radiation protection dosimetry

authors： Feinendegen LE

更新日期：2003-01-01 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