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：:Kinetic simulations of the thermoluminescence characteristics of LiF:Mg, Ti are reviewed in the framework of conduction band/valence band models. Delocalised recombination models have been mainly applied to the simulation of glow peak shapes, although comparison with experimental data has proven difficult if not impos...

journal_title：Radiation protection dosimetry

authors： Eliyahu I,Oster L

更新日期：2021-01-13 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

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：:Gamma-ray spectra were measured using a LaBr$_{3}$(Ce) spectrometer during the outage periods, aiming at quantifying the gamma source term of radiation workers' exposure, at the CANDU nuclear power reactors, for the purposes of eye lens dosimetry. The spectra were measured inside the boiler rooms, of the Bruce Power a...

journal_title：Radiation protection dosimetry

authors： Laranjeiro AS,Bohra F,Byun SH,Atanackovic J,Hanu AR

更新日期：2020-12-15 00:00:00

abstract：:The most used passive detectors for Radon measurement are the CR39s, both for the good stability of the material and for the practicality of use. But, commercial reading systems are expensive and not always fast. The aim of the present work was the development of a method for a rapid, efficient and economic evaluation...

journal_title：Radiation protection dosimetry

authors： Sabbarese C,Ambrosino F,Roca V

更新日期：2020-11-27 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：:The article summarizes the most recent results from the cohorts of uranium miners, particularly the risks at low exposures and the risk models with modifying effects of exposure rate, age and time since exposure, which are used for the calculation of lifetime risks (LRs). The excess relative risks per unit exposure (E...

journal_title：Radiation protection dosimetry

authors： Tomasek L

更新日期：2020-11-27 00:00:00

abstract：:The present work aims to assess the effective doses from long-term continual radon monitoring in six European caves (Slovenia, Slovakia and the Czech Republic), including influencing environmental factors. Caves are important radiation protection subjects because of elevated radon activity concentration (~kBq/m3), mos...

journal_title：Radiation protection dosimetry

authors： Ambrosino F,Thinová L,Briestenský M,Sabbarese C

更新日期：2020-11-27 00:00:00

abstract：:Crystalline rocks can produce dangerous radiation levels on the basis of their content in radioisotopes. Here, we report radiological data from 10 metamorphic and igneous rock samples collected from the crystalline basement of the Peloritani Mountains (southern Italy). In order to evaluate the radiological properties ...

journal_title：Radiation protection dosimetry

authors： Romano D,Caridi F,Di Bella M,Italiano F,Magazù S,Caccamo MT,Tripodo A,Faggio G,Grillo R,Triolo C,Messina G,Gattuso A,Sabatino G

更新日期：2020-11-18 00:00:00

abstract：:The International Electrotechnical Commission introduced the concepts of exposure index (EI), target exposure index (EIT) and deviation index (DI) to manage and optimize patient dose in real time. In this study, we have proposed an appropriate method for setting the EIT based on the Korean national diagnostic referenc...

journal_title：Radiation protection dosimetry

authors： Park H,Yoon Y,Kim J,Kim J,Jeong H,Tanaka N,Morishita J

更新日期：2020-11-17 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：:In the event of a criticality accident, not only the maximal doses received by the victims must be determined but it is also crucial to evaluate the doses to the different organs. With a neutron component, morphology is a key parameter in the organ dose calculation. As the simulation tools can be time consuming to pro...

journal_title：Radiation protection dosimetry

authors： Chevallier MA,Pontier JB,Morin H,Duluc M,Evo S,Letang E,Trompier F

更新日期：2020-11-06 00:00:00

abstract：:This paper compares several methods for estimation of the effective indoor dose of gamma radiation from building materials. It was found that specific dose ratios proposed for 3 cm thick layers in one recommendation gives 2.8 times lower value of gamma dose than other methods. The most common case is that granite has ...

journal_title：Radiation protection dosimetry

authors： Krmar M,Milić K,Arsenić I,Hansman J

更新日期：2020-10-16 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：:An oil and gas production facility in the western desert of Egypt was investigated for possible radiation risks due to the routine operation. Radium-226, Radium-228 and Potassium-40 were assessed in the soil samples collected from the adjacent soakaway pond. The average 226Ra, 228Ra and 40K activity concentrations wer...

journal_title：Radiation protection dosimetry

authors： Ebaid YY,Hassan Y,Elshemey WM

更新日期：2020-08-28 00:00:00

abstract：INTRODUCTION:The main purpose of this study was to determine the diagnostic reference level (DRL) for routine digital radiography examinations in Mazandaran province. MATERIALS AND METHODS:Thirteen digital radiographic examinations at 18 high-patient-load radiography centres were investigated. The indirect dosimetry m...

journal_title：Radiation protection dosimetry

authors： Hoseini Motlagh Z,Shabestani Monfared A,Deevband MR,Abedi-Firouzjah R,Ghaemian N,Abdi R,Ebrahimnejad Gorji K

更新日期：2020-08-03 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：:The present study aimed to record natural radionuclide content in branded food samples representative of a typical North Indian diet. Forty samples of various food items falling into three categories namely, cereal grains, pulses and beverages were collected from the local markets of Punjab. The radiometric analysis w...

journal_title：Radiation protection dosimetry

authors： Kaur S,Maheshwari P,Mehra R

更新日期：2020-07-17 00:00:00

abstract：:International Electrotechnical Commission (IEC) established the framework for the use of exposure index (EI) for evaluating the exposure conditions with various digital systems. In this study, we investigated the feasibility of EI, as per the IEC, by comparing the EIs obtained through manual calculated and that displa...

journal_title：Radiation protection dosimetry

authors： Park H,Yoon Y,Tanaka N,Kim J,Kim J,Morishita J

更新日期：2020-07-17 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：:This study aims to develop an Automatic Brain Dose Estimation (ABDE) methodology for head computed tomography examinations. The ABDE is to be applied first to an anthropomorphic Alderson phantom to obtain a Correction factor (Cf) between the ABDE and the direct absorbed brain dose using dosemeters positioned within th...

journal_title：Radiation protection dosimetry

authors： Gharbi S,Labidi S,Mars M

更新日期：2020-07-02 00:00:00

abstract：:In 2012, the International Commission on Radiological Protection issued a recommendation for a reduced annual eye-lens dose limit in the face of mounting evidence of the risk of cataract induction. This led to worldwide research efforts in various areas including the dose simulation in realistic eye-models, the produc...

journal_title：Radiation protection dosimetry

authors： Dubeau J,Sun J

更新日期：2020-06-24 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：: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 aim of the study was to estimate organ dose rate reduction to a female anthropomorphic phantom, which simulated the cardiologist, during percutaneous coronary interventions (PCI) when the patient's arm support was covered with 0.4-mm lead foil. Organ dose rates were determined using five radiation detectors insert...

journal_title：Radiation protection dosimetry

authors： Fukuda A,Lin PP

更新日期：2020-06-24 00:00:00

abstract：OBJECTIVE:The aim of this study was to propose first established diagnostic reference levels (DRLs) in computed tomography (CT) for adults, based on volume-averaged CTDI and dose length product (DLP) metrics in Yazd Province. MATERIALS AND METHODS:Six multislice CT scanners located at diverse areas of Yazd Province an...

journal_title：Radiation protection dosimetry

authors： Zamani H,Masjedi H,Omidi R,Hosein Zare M

更新日期：2020-06-13 00:00:00

abstract：:A current-mode neutron detector with a pair of 6Li- and 7Li-glass scintillators has been developed to measure high-flux neutrons in a boron neutron capture therapy field. Neutrons are basically measured by subtracting gamma-ray component using current outputs from the 7Li-glass scintillator. In the present study, the ...

journal_title：Radiation protection dosimetry

authors： Matsumoto T,Masuda A,Harano H,Hori JI,Sano T

更新日期：2020-06-12 00:00:00

abstract：:The outdoor gamma background of the historic center of Rome was studied by in situ measurements and average values of the outcropping geological formations. The survey resulted in two maps of dose equivalent rate, related to pre-anthropic and present conditions. Presently, the average of the dose equivalent rate from ...

journal_title：Radiation protection dosimetry

authors： Daniela G,Carloni S,Voltaggio M,Di Lisa GA

更新日期：2019-12-31 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：:An important factor in calculation of quantities describing the radiation situation is the selection of a calculation code. In this article, the radiation situation for selected geometries with multilayer shields was judged. Calculations were carried out using deterministic code VISIPLAN and stochastic code MCNP5. Int...

journal_title：Radiation protection dosimetry

authors： Bednár D,Lištjak M,Slimák A,Nečas V

更新日期：2019-12-31 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：: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：:An intercomparison exercise (IC) on whole body dosemeters to determine the quantity personal dose equivalent Hp (10) in photon radiation fields was jointly organised and conducted by the International Atomic Energy Agency (IAEA) and the Australian Radiation Protection and Nuclear Safety Agency (ARPANSA) for individual...

journal_title：Radiation protection dosimetry

authors： Rizk C,Long S,Okyar HB,Baradaran S,Al Fares E,Sangau JK,Shah BR

更新日期：2019-12-31 00:00:00

abstract：:This study characterises and evaluates an Al2O3:C-based optically stimulated luminescent dosemeter (OSLD) system, commercially known as the nanoDot™ dosemeter and the InLight® microStar reader, for personal and in vivo dose measurements in diagnostic radiology. The system characteristics, such as dose linearity, reade...

journal_title：Radiation protection dosimetry

authors： Wong JHD,Bakhsh M,Cheah YY,Jong WL,Khor JS,Ng KH

更新日期：2019-12-31 00:00:00

abstract：:Radiation qualities were characterised and validated at the fully automated X-ray calibration facility of the Individual Monitoring Service at Helmholtz Zentrum München by using half-value layer and Hp(10) dosimetry approaches specified in the updated ISO 4037:2019 standard. As the ISO 4037 contains a somewhat vague d...

journal_title：Radiation protection dosimetry

authors： Bandalo V,Greiter MB,Brönner J,Hoedlmoser H

更新日期：2019-12-31 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：:Iodine thyroid blocking (ITB) suppresses the uptake of iodine to the thyroid and reduces internal doses after radioiodine intake; however, its disturbance of thyroid biokinetics causes considerable uncertainty in the use of dosimetric data intended for assessment of unblocked normal thyroid. To more accurately assess ...

journal_title：Radiation protection dosimetry

authors： Kwon TE,Park M,Jung GH,Chung Y,Ha WH,Jin YW

更新日期：2019-12-31 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：:In radiotherapy, radiochromic films can be used for verification of delivery of dose distributions calculated by treatment planning systems. The main objective of this work was to compare three different techniques for evaluation of dose distributions for prostate cancer treatment plans using radiochromic EBT3 films. ...

journal_title：Radiation protection dosimetry

authors： Dufek V,Horakova I,Koniarova I

更新日期：2019-12-31 00:00:00