Numerical solution of the transport equation describing the radon transport from subsurface soil to buildings.

abstract：:We developed a radiation detector based on an organic scintillator for spectrometry and dosimetry of out-of-field secondary neutrons from clinical proton beams. The detector consists of an EJ-299-34 crystalline organic scintillator, coupled by fiber optic cable to a silicon photomultiplier (SiPM). Proof of concept mea...

journal_title：Radiation protection dosimetry

authors： Beyer KA,Di Fulvio A,Stolarczyk L,Parol W,Mojzeszek N,Kopéc R,Clarke SD,Pozzi SA

更新日期：2018-08-01 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：:The indoor radon concentrations and lung cancer incidence in Eleshnitza village and Blagoevgrad district of Bulgaria were examined in the study reported here. The Eleshnitza was the second largest uranium mining and milling region of the country. The geometric mean of indoor radon concentration in Eleshnitza (465 Bq/m...

journal_title：Radiation protection dosimetry

authors： Chobanova N,Ivanova K,Stojanovska Z,Atanasov T

更新日期：2018-09-01 00:00:00

abstract：:Radiation dose monitoring for radiography students during clinical training is necessary to demonstrate the extent of radiation protection issues present, as well as to instill in them an awareness of safe practices that they will carry with them throughout their careers. The study assess the radiation dose incurred b...

journal_title：Radiation protection dosimetry

authors： Abuzaid MM,Elshami W,Steelman C

更新日期：2018-05-01 00:00:00

abstract：:A common problem in internal dosimetry occurs in routine monitoring, when it is required to estimate an intake from a measurement made at the end of a monitoring interval, and the time of intake is unknown. ICRP suggests that it should be assumed that the intake occurred in the middle of the monitoring period. However...

journal_title：Radiation protection dosimetry

authors： Birchall A,Puncher M,Marsh JW

更新日期：2007-01-01 00:00:00

abstract：:(238)U, (232)Th, (222)Rn and (220)Rn concentrations were measured inside various Moroccan black soap samples widely used by the Moroccan population in traditional baths (Hammans) by using both CR-39 and LR-115 type II solid state nuclear track detectors. The measured (238)U, (232)Th, (222)Rn and (220)Rn concentrations...

journal_title：Radiation protection dosimetry

authors： Misdaq MA,Outeqablit K

更新日期：2010-12-01 00:00:00

abstract：:The aim of this work is to use Monte Carlo simulations and VOXEL phantoms to estimate the absorbed dose in paediatric patients (aged from 2 weeks to 16 y), with normal renal function, to whom technetium-99m-dimercaptosuccinic acid (99mTc-DMSA) was administered, for diagnostic renal scintigraphy purposes; and compare t...

journal_title：Radiation protection dosimetry

authors： Teles P,Mendes M,Zankl M,de Sousa V,Santos AI,Vaz P

更新日期：2017-04-20 00:00:00

abstract：:After the Chernobyl reactor accident wide areas of Belarus were contaminated with radioactive fallout. The verification and documentation of the long-term development of radiation doses is still going on. A population group of special concern are the children living in contaminated regions. The annual dose limit of 1 ...

journal_title：Radiation protection dosimetry

authors： Hill P,Schläger M,Vogel V,Hille R,Nesterenko AV,Nesterenko VB

更新日期：2007-01-01 00:00:00

abstract：:The use of a custom-made cylindrical graphite proportional counter (Cy-GPC) along with a cylindrical tissue equivalent proportional counter (TEPC) for neutron-gamma mixed-field dosimetry has been studied in the following steps: first, the consistency of the gamma dose measurement between the Cy-TEPC and the Cy-GPC was...

journal_title：Radiation protection dosimetry

authors： Forouzan F,Waker AJ

更新日期：2018-08-01 00:00:00

abstract：:Monitoring of occupationally exposed persons in Bosnia and Herzegovina started in 1960s and it was interrupted in 1992. Dosimetry service resumed in 1999 when the International Atomic Energy Agency provided Harshaw 4500 TLD-reader and the first set of TLDs for the Radiation Protection Centre (RPC) of the Institute of ...

journal_title：Radiation protection dosimetry

authors： Basić B,Beganović A,Samek D,Skopljak-Beganović A,Gazdić-Santić M

更新日期：2010-04-01 00:00:00

abstract：:This paper describes the design and construction of a new performance testing programme that was implemented in Canada in 2008. The Canadian Regulator (Canadian Nuclear Safety Commission) had determined that their licensees, in addition to participating in the existing in vivo and in vitro performance tests, needed to...

journal_title：Radiation protection dosimetry

authors： Kramer GH

更新日期：2009-06-01 00:00:00

abstract：:Monte Carlo simulations were used to assess secondary neutron doses received by patients treated with proton therapy for ocular melanoma and craniopharyngioma. MCNPX calculations of out-of-field doses were done for ∼20 different organs considering realistic treatment plans and using computational phantoms representati...

journal_title：Radiation protection dosimetry

authors： Farah J,Sayah R,Martinetti F,Donadille L,Lacoste V,Hérault J,Delacroix S,Nauraye C,Vabre I,Lee C,Bolch WE,Clairand I

更新日期：2014-10-01 00:00:00

abstract：:Occupational radiation exposure is a hazard that should be avoided or at least minimised. This study aimed to evaluate the radiation exposure of nuclear medicine department employees monitored during the 1991-2007 period, and to investigate the relationship between the annual effective doses of the personnel and the n...

journal_title：Radiation protection dosimetry

authors： Piwowarska-Bilska H,Birkenfeld B,Listewnik M,Zorga P

更新日期：2010-08-01 00:00:00

abstract：:A micro-gap air-filled ionisation chamber was designed for criticality dosimetry. The special feature of the chamber is its very small gap between electrodes of only 0.3 mm. This prevents ion recombination at high dose rates and minimises the influence of gas on secondary particles spectrum. The electrodes are made of...

journal_title：Radiation protection dosimetry

authors： Murawski Ł,Zielczyński M,Golnik N,Gryziński MA

更新日期：2014-10-01 00:00:00

abstract：:Exposure of children to ionising radiation is considered to carry higher risk than that of adults; therefore a need to suggest diagnostic reference levels (DRLs) for the common paediatric diagnostic X-ray procedures was recognised for the X-ray machines meeting the requirements of the recently implemented Safety Code ...

journal_title：Radiation protection dosimetry

authors： Sonawane AU,Sunil Kumar JV,Singh M,Pradhan AS

更新日期：2011-11-01 00:00:00

abstract：:Therapeutic carbon ion beams produce a complex and variable radiation field that changes along the penetration depth due to the high density of energy loss along the particle track together with the secondary particles produced by nuclear fragmentation reactions. An accurate physical characterisation of such complex m...

journal_title：Radiation protection dosimetry

authors： Chiriotti S,Conte V,Colautti P,Selva A,Mairani A

更新日期：2018-08-01 00:00:00

abstract：:In order to provide reference fields for the ionising radiation, PTB operates the ion accelerator facility. Referring to high energy photons, reference fields according to International Organization for Standardization 4037 series are produced. The neutron component of the 6-7 MeV photon field (R-F), which is produced...

journal_title：Radiation protection dosimetry

authors： Röttger S,Heiske A,Nolte R

更新日期：2009-07-01 00:00:00

abstract：:The RABiT (Rapid Automated Biodosimetry Tool) is a dedicated Robotic platform for the automation of cytogenetics-based biodosimetry assays. The RABiT was developed to fulfill the critical requirement for triage following a mass radiological or nuclear event. Starting from well-characterized and accepted assays we deve...

journal_title：Radiation protection dosimetry

authors： Garty G,Turner HC,Salerno A,Bertucci A,Zhang J,Chen Y,Dutta A,Sharma P,Bian D,Taveras M,Wang H,Bhatla A,Balajee A,Bigelow AW,Repin M,Lyulko OV,Simaan N,Yao YL,Brenner DJ

更新日期：2016-12-01 00:00:00

abstract：:There is a growing public awareness of the risk of accidental radiation exposure due to ageing nuclear power installations, illegal dumping of nuclear waste and terrorist activities, and of the consequential health risks to populations in addition to social and economic disturbance extending beyond national boundaries...

journal_title：Radiation protection dosimetry

authors： Göksu HY,Bailiff IK

更新日期：2006-01-01 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：:The rapid proliferation of micro-computed tomography (micro-CT) scanners in preclinical small animal studies has created a need for a method on scanner performance evaluation and scan parameter optimisation. The purpose of this study was to investigate the performance of the scanner with a dedicated micro-CT phantom. ...

journal_title：Radiation protection dosimetry

authors： Eloot L,Buls N,Covens P,Willekens I,Lahoutte T,de Mey J

更新日期：2010-04-01 00:00:00

abstract：:Simulated-data internal dosimetry cases for use in intercomparison exercises or as a software verification and validation tool have been published on the internet (www.lanl.gov/bayesian/software Bayesian software package II). A user may validate their internal dosimetry code or method using this simulated bioassay dat...

journal_title：Radiation protection dosimetry

authors： Miller G,Bertelli L,Little T,Guilmette RA

更新日期：2007-01-01 00:00:00

abstract：:This study compares the effective doses from a MIRD-type stylised model with those derived from the scaled-down version of the tomographic VIP-Man model for photon, electron, neutron and proton beams. The effective dose results from these two models show that they differ from each other within approximately 10% for co...

journal_title：Radiation protection dosimetry

authors： Xu XG,Chao TC,Bozkurt A

更新日期：2005-01-01 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：:The new RAMARN system for radon volume activity measurement was developed in 2003 and has been in use since then. RAMARN system consists of a plastic chamber that is conically cylindrical in shape and about 0.5 l in volume; a bare Kodak LR 115 is located on the bottom of this diffusion chamber. The size was chosen to ...

journal_title：Radiation protection dosimetry

authors： Thinová L,Burian I

更新日期：2008-01-01 00:00:00

abstract：:A high-end drum film digitiser (Tango, Germany) and a calibrated linear microdensitometer developed by PTB were used to assess the modulation transfer function (MTF) and the noise power spectra (NPS) of 3 mammographic screen film systems at optical density levels of 0.8, 1.5 and 2.5. The use of a drum scanner to asses...

journal_title：Radiation protection dosimetry

authors： Verdun FR,Pachoud M,Bergmann D,Buhr E

更新日期：2005-01-01 00:00:00

abstract：:In the neonatal intensive care units (NICU), premature new-borns may be exposed to important doses. Because of their increased radiosensitivity and longer life expectancy, dose optimisation is of importance. The present study aimed at evaluating the dose of the most common radiographs in the Belgian NICU. Entrance sur...

journal_title：Radiation protection dosimetry

authors： Dabin J,Struelens L,Vanhavere F

更新日期：2014-01-01 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：:In this paper the effect of treatment room and maze layout on the photoneutron and capture gamma dose equivalent in the maze was studied. MCNPX Monte Carlo (MC) code was used to simulate the Varian 2100 C/D Clinac 18 MV and four different room layouts. Two analytical methods, Wu-McGinley and McGinley, were used for do...

journal_title：Radiation protection dosimetry

authors： Mesbahi A,Ghiasi H,Mahdavi SR

更新日期：2010-08-01 00:00:00

abstract：:According to the worldwide reports, industrial radiography is one of the highest risk radiation practices due to handling high activity sources. Therefore, an optimization of protection along with appropriate investigation level and/or dose constraint is required to achieve appropriate radiological safety. This resear...

journal_title：Radiation protection dosimetry

authors： Hosseini Pooya SM,Dashtipour MR

更新日期：2018-10-01 00:00:00