MEASUREMENT OF THE POTENTIAL ALPHA ENERGY CONCENTRATION OF RADON PROGENY BY USING LIQUID SCINTILLATION COUNTING METHOD.

abstract：:This work describes the dosimetry of a two waveguide cell system designed to expose newborn mice to electromagnetic fields associated with wireless fidelity signals in the frequency band of 2.45 GHz. The dosimetric characterisation of the exposure system was performed both numerically and experimentally. Specific meas...

journal_title：Radiation protection dosimetry

authors： Pinto R,Lopresto V,Galloni P,Marino C,Mancini S,Lodato R,Pioli C,Lovisolo GA

更新日期：2010-08-01 00:00:00

abstract：:The position of detectors used for partial-body counters relative to a measured person has considerable influence on the counting efficiency of low-energy photon emitters. To minimise reading errors and enhance reproducibility of position data, an electronic position recording system was installed in the partial-body ...

journal_title：Radiation protection dosimetry

authors： Hegenbart L,Breustedt B

更新日期：2011-03-01 00:00:00

abstract：:A small, specialised amplifier using commercial integrated circuits (ICs) was developed to measure radiation dose and quality in real time using a microdosimetric ion chamber and the variance method. The charges from a microdosimetric ion chamber, operated in the current mode, were repeatedly collected for a fixed per...

journal_title：Radiation protection dosimetry

authors： Hsu WH,Braby LA,Reece WD

更新日期：2008-01-01 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：:The purpose of this study was to investigate radiation doses in cerebral perfusion computed tomography (CT) examination. As a part of routine patient monitoring, data were collected on patients in terms of the skin dose and CT dose index (CTDIvol) and dose-length product (DLP) values. For the estimation of the dose to...

journal_title：Radiation protection dosimetry

authors： Arandjic D,Bonutti F,Biasizzo E,Ciraj-Bjelac O,Floreani M,Giustizieri M,Iaiza F,Inkoom S,Tommasini G,Padovani R

更新日期：2013-05-01 00:00:00

abstract：:Computed tomography dose index w and dose length product were recorded for the purpose of developing diagnostic reference levels (DRLs) for radiation dose optimisation. The study was conducted in three radiology departments with CT centres in Northern Nigeria. Data were collected from 54 consenting adult participants ...

journal_title：Radiation protection dosimetry

authors： Garba I,Engel-Hills P,Davidson F,Tabari AM

更新日期：2015-07-01 00:00:00

abstract：:Radon gas concentrations in eight basements, four living rooms and four caves from different locations in Kabul and Panjsher, Afghanistan, were measured by using eight active radon exposure meters recently developed by the Helmholtz Center in Munich, Germany. The two-phase measurements lasted from a week to a year. In...

journal_title：Radiation protection dosimetry

authors： Tanha MR,Vahlbruch JW,Riebe B,Irlinger J,Rühm W,Khalid FR,Storai A,Walther C

更新日期：2018-01-01 00:00:00

abstract：:In the framework of collaboration among the ENEA Radiation Protection Institute (Bologna), the ENEA Fusion Department (Frascati) and the INFN-LNF-Radiation Protection Group (Frascati), an experimental campaign was organised on the usage of thermoluminescence dosemeters (TLDs) for the dosimetric and spectrometric chara...

journal_title：Radiation protection dosimetry

authors： Bedogni R,Angelone M,Esposito A,Chiti M

更新日期：2006-01-01 00:00:00

abstract：:To test the blood tritium level as an estimate of free water tritium (FWT) and organically bound tritium (OBT) in human soft tissues, a tritiated amino acid mixture (TAA) and tritiated water (HTO) were injected or orally administered to mice. Relatively high tritium retention in the blood was found after TAA injection...

journal_title：Radiation protection dosimetry

authors： Saito M

更新日期：2003-01-01 00:00:00

abstract：:In Austria a comprehensive study on radiation exposure in waterworks was conducted. The aim of this study was to evaluate the risks for the affected employees. On the basis of geographical, geological and hydrological aspects, 21 waterworks were selected. A total of 85 passive short-term measurements and measurements ...

journal_title：Radiation protection dosimetry

authors： Michael S,Andreas B,Claudia S,Fabian R,Ringer W,Josef MF

更新日期：2014-07-01 00:00:00

abstract：:The goal of this study was to compare dose estimates from electron paramagnetic resonance (EPR) dosimetry with teeth and cytogenetic dosimetry with blood lymphocytes for 30 victims of radiation accidents. The whole-body exposures estimated by tooth enamel EPR dosimetry were ranging from 0.01 to 9.3 Gy. Study group com...

journal_title：Radiation protection dosimetry

authors： Khvostunov IK,Ivannikov AI,Skvortsov VG,Nugis VY,Golub EV

更新日期：2015-03-01 00:00:00

abstract：:Adequate dose management during computed tomography is important. In the present study, the dosimetric application software ImPACT was added to a functional calculator of the size-specific dose estimate and was part of the scan settings for the auto exposure control (AEC) technique. This study aimed to assess the prac...

journal_title：Radiation protection dosimetry

authors： Kobayashi M,Asada Y,Matsubara K,Suzuki S,Matsunaga Y,Haba T,Kawaguchi A,Daioku T,Toyama H,Kato R

更新日期：2017-05-01 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：:Particle accelerators and their surroundings are locations of residual radioactivity production that is induced by the interaction of high-energy particles with matter. This paper gives an overview of the principles of activation caused at proton accelerators, which are the main machines operated at Conseil Européen p...

journal_title：Radiation protection dosimetry

authors： Vincke H,Theis C,Roesler S

更新日期：2011-07-01 00:00:00

abstract：:Spectrum deconvolution is an important task in ionizing radiation measurements, as the pulse height spectra, or, in general, the measured data from spectrometers or other measuring instruments are usually determined by the convolution of the response function with the fluence spectra. The method presented here for obt...

journal_title：Radiation protection dosimetry

authors： Behrens R,Reginatto M

更新日期：2019-12-23 00:00:00

abstract：:Radiation shielding assessments may underestimate the expected dose if some isotopes at trace level are not considered in the isotopes inventory of the shielded radioactive materials. Indeed, information about traces is not often available. Nevertheless, the activation of some minor isotopic traces may significantly c...

journal_title：Radiation protection dosimetry

authors： Bonin A,Tsilanizara A

更新日期：2017-06-01 00:00:00

abstract：:Soil gas radon measurements are carried out in a pilot study in three municipalities in Upper Austria. The selected municipalities are characterised by a high radon potential. Sixty measuring sites--well distributed over the region and over the different geological areas--were selected. Additionally, the permeability ...

journal_title：Radiation protection dosimetry

authors： Seidel C,Baumgartner A,Ringer W,Gräser J,Friedmann H,Kaineder H,Maringer FJ

更新日期：2011-05-01 00:00:00

abstract：:A water-filled tissue equivalent phantom with a diameter of 35 cm was developed at the Institute for Biomedical Problems. Moscow. Russia. It contains four channels perpendicular to each other, where dosemeters can be exposed at different depths. Between May 1997 and February 1999 the phantom was installed at three dif...

journal_title：Radiation protection dosimetry

authors： Berger T,Hajek M,Schöner W,Fugger M,Vana N,Akatov Y,Shurshakov V,Arkhangelsky V,Kartashov D

更新日期：2002-01-01 00:00:00

abstract：:Since December 2006, approximately 3800 clinical chest tomosynthesis examinations have been performed at our department at Sahlgrenska University Hospital. A subset of the examinations has been included in studies of the detectability of pulmonary nodules, using computed tomography (CT) as the gold standard. Visibilit...

journal_title：Radiation protection dosimetry

authors： Johnsson AA,Vikgren J,Svalkvist A,Zachrisson S,Flinck A,Boijsen M,Kheddache S,Månsson LG,Båth M

更新日期：2010-04-01 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：:A monolithic silicon telescope, consisting of a DeltaE and an E stage-detector ( approximately 1.9 microm and 500 microm thick, respectively), was coupled to a polyethylene converter in order to investigate the feasibility of a solid state microdosimeter with respect to the field-funnelling effect. This work discusses...

journal_title：Radiation protection dosimetry

authors： Agosteo S,Colautti P,Fazzi A,Moro D,Pola A

更新日期：2006-01-01 00:00:00

abstract：:In recent major international intercomparison exercises on intake and internal dose assessments from monitoring data, the results calculated by different participants varied significantly. Based on this experience the need for harmonisation of the procedures has been formulated within an EU 5th Framework Programme res...

journal_title：Radiation protection dosimetry

authors： Doerfel H,Andrasi A,Bailey M,Blanchardon E,Cruz-Suarez R,Berkovski V,Castellani CM,Hurtgen C,LeGuen B,Malatova I,Marsh J,Stather J,Zeger J

更新日期：2007-01-01 00:00:00

abstract：:The variety of radiative models for solar UV radiation is discussed. For the evaluation of measured UV radiation at the ground the basic problem is the availability of actual values of the atmospheric parameters that influence the UV radiation. The largest uncertainties are due to clouds and aerosol, which are highly ...

journal_title：Radiation protection dosimetry

authors： Koepke P

更新日期：2009-12-01 00:00:00

abstract：:The technique of alpha spectrometry is used to detect alpha particles and to determine their energy. In this way the technique is able to provide simultaneously quantitative information (i.e. the activity) and qualitative information (the identity) on any radionuclide that emits an alpha particle. The longer-lived nat...

journal_title：Radiation protection dosimetry

authors： Gingell T

更新日期：2001-01-01 00:00:00

abstract：:The combination of fast neutron therapy and boron neutron capture therapy is currently being studied as a possible treatment for some radio-resistant brain tumours. In an attempt to design a boron-enhanced fast neutron therapy beam for the Fermilab Fast Neutron Therapy Facility, the use of moderating material surround...

journal_title：Radiation protection dosimetry

authors： Sweezy J,Hertel N,Lennox A

更新日期：2005-01-01 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：:Improved radiation protection of humans requires a better understanding of the mechanisms of radiation action and accurate estimates of radiation risk for both internal and external radiations. The Japanese atomic bomb survivors represent one of the most important sources of human data on the late carcinogenic effects...

journal_title：Radiation protection dosimetry

authors： Pattison JE,Hugtenburg RP,Charles MW,Beddoe AH

更新日期：2001-01-01 00:00:00

abstract：:Indoor radon concentration levels in a large number of dwellings in Al-Madinah Al-Munawarah Province have been measured. Al-Madinah Al-Munawarah is in the western region of Saudi Arabia. It is the second holiest city in Islam after Mecca, because it is the burial place of the Islamic Prophet Muhammad. The city was div...

journal_title：Radiation protection dosimetry

authors： Mohamed RI,Alfull ZZ,Dawood ND

更新日期：2014-01-01 00:00:00

abstract：:A sample is provided of the radiological safety issues particular to low energy proton accelerators. 'Low' energy in this context is taken to mean proton energies of less than about 1 GeV. Many of the radiation issues are common to all particle accelerators. Here, those issues are addressed that may require perhaps no...

journal_title：Radiation protection dosimetry

authors： Moritz LE

更新日期：2001-01-01 00:00:00

abstract：:Data collection and its analysis in the field of nuclear safety is an important task in the sense that it powers the improvement of safety as well as reliability of the plant. Thus, occupational exposure data analysis is presented to measure the safety or reliability of radiation protection of a given facility. It als...

journal_title：Radiation protection dosimetry

authors： Datta D,Singh S,Johnson BE,Kushwaha HS

更新日期：2008-01-01 00:00:00