DESIGN IMPROVEMENT OF A LIQUID-MODERATOR-BASED NEUTRON SPECTROMETER FOR BNCT.

abstract：:In this work, indoor radon radioactivity concentration levels have been measured in dwellings of Turkey within the frame of the National Radon Monitoring Programme. The (222)Rn concentrations were measured with time-integrating passive nuclear etched track detectors in 7293 dwellings in 153 residential units of 81 pro...

journal_title：Radiation protection dosimetry

authors： Celebi N,Ataksor B,Taskın H,Bingoldag NA

更新日期：2015-12-01 00:00:00

abstract：:In the United Kingdom it is a legal requirement that the radiation doses received by classified persons are measured using dosemeters that have been provided by an approved dosimetry service. The Health and Safety Executive (HSE) is the regulatory body responsible for approving these dosimetry services. Until recently...

journal_title：Radiation protection dosimetry

authors： Bevington LM

更新日期：2001-01-01 00:00:00

abstract：:Positron emission tomography (PET) is a non-invasive medical imaging technique normally used for diagnostic purposes to determine the location and concentration of physiologically active compounds in a human body. An unshielded cyclotron is used for PET at the Clinica Universitaria de Navarra to produce short-lived po...

journal_title：Radiation protection dosimetry

authors： Fernández F,Amgarou K,Domingo C,García MJ,Quincoces G,Martí-Climent JM,Méndez R,Barquero R

更新日期：2007-01-01 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：:The project 'Radiological Analysis of Environmental Samples in the Gulf of Mexico and the coast of Quintana Roo', had the aim of identifying and quantifying anthropogenic radionuclides in environmental samples consisting of silt, sand and sea water. This paper presents the results of the radiological analysis of these...

journal_title：Radiation protection dosimetry

authors： Salas Mar B

更新日期：2015-11-01 00:00:00

abstract：:Our debaters have agreed to defend positions that appear to be diametrically opposed; nevertheless, they have acknowledged some common ground. Although it was not explicitly stated, they would no doubt agree that workers and the public are adequately protected by our present system of radiation regulations. Our debate...

journal_title：Radiation protection dosimetry

authors： Edwards AA

更新日期：2003-01-01 00:00:00

abstract：:The relationship between the mean glandular dose (MGD) and the compressed breast thickness (CBT) is commonly used for the presentation of mammographic dose survey results and could also be useful for the assessment of individual breast doses retrospectively in case of lack of necessary dosimetric instrumentation. The ...

journal_title：Radiation protection dosimetry

authors： Bor D,Tukel S,Olgar T,Toklu T,Aydin E,Akyol O

更新日期：2008-01-01 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：:Absorbed fraction (AF) and specific absorbed fraction (SAF) are crucial values for the calculation of radionuclide S-values and consequently for internal dose estimates. The formalism of the Medical Internal Radiation Dose (MIRD) committee of the Society of Nuclear Medicine (SNM) has been utilised as a standard in the...

journal_title：Radiation protection dosimetry

authors： Lee C,Park S,Lee JK

更新日期：2007-01-01 00:00:00

abstract：:The study is aimed at optimising the glow curve structure of CaSO4:Dy phosphor for dosimetric purpose and also to understand the observed changes owing to thermal treatment in the thermoluminescence (TL) sensitivity and glow curve structure. The reversible changes in the intensities of the lower temperature satellite ...

journal_title：Radiation protection dosimetry

authors： Bakshi AK,Pradhan AS,Tyagi AK,Kher RK,Bhatt BC

更新日期：2006-01-01 00:00:00

abstract：:UVA wavelengths (320-400 nm) have been implicated in recent studies to contribute to melanoma induction and skin photoaging in humans and damage to plants. The use of smartphones in UVA observations is a way to supplement measurements made by traditional radiometric and spectroradiometric technology. Although the smar...

journal_title：Radiation protection dosimetry

authors： Igoe D,Parisi AV

更新日期：2015-12-01 00:00:00

abstract：:The aim of the present study was to investigate of a possible correlation between indoor radon and indoor gamma dose rates deduced by in situ gamma spectrometry measurements by using a portable HPGe detector. Indoor radon and high resolution in situ gamma spectrometry measurements were performed in 60 apartments in Th...

journal_title：Radiation protection dosimetry

authors： Clouvas A,Xanthos S,Antonopoulos-Domis M

更新日期：2003-01-01 00:00:00

abstract：:An assessment of multiple biomarkers from radiation casualties undergoing limited- or full-supportive care including treatment with filgrastim is critical to develop rapid and effective diagnostic triage strategies. The efficacy of filgrastim with full-supportive care was compared with results with limited-supportive ...

journal_title：Radiation protection dosimetry

authors： Ossetrova NI,Blakely WF,Nagy V,McGann C,Ney PH,Christensen CL,Koch AL,Gulani J,Sigal GB,Glezer EN,Hieber KP

更新日期：2016-12-01 00:00:00

abstract：:The radioisotopic content of 17 samples of natural and manufactured building materials collected in Tunisia have been analysed by using gamma spectrometry. From the measured gamma ray spectra, activity concentrations are determined for (232)Th, (226)Ra, (235)U and (40)K. The total effective dose and the activity conce...

journal_title：Radiation protection dosimetry

authors： Hizem N,Ben Fredj A,Ghedira L

更新日期：2005-01-01 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：: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：:To study the shielding effect of radiologists' eye lens with lead glasses of different equivalent thicknesses and sizes in interventional radiology procedures. Using the human voxel phantom with a more accurate model of the eye and MCNPX software, eye lens doses of the radiologists who wearing different kinds of lead ...

journal_title：Radiation protection dosimetry

authors： Hu P,Kong Y,Chen B,Liu Q,Zhuo W,Liu H

更新日期：2017-04-20 00:00:00

abstract：:The main objective of this comparative study was to evaluate the national quality assurance program for X-ray diagnostic radiology in Syrian governmental hospitals. Two periods were covered in this study, the first period was from 1986 to 1998 (52 hospitals and 149 X-ray machines were considered) and the second period...

journal_title：Radiation protection dosimetry

authors： Kharita MH,Khedr MS,Wannus KM

更新日期：2008-01-01 00:00:00

abstract：:International standards for radiation protection dosemeters are published by the International Electrotechnical Commission and the International Organization for Standardization. Several standards exist side by side, although they treat the same measuring task, and specify different requirements, so that dosemeters of...

journal_title：Radiation protection dosimetry

authors： Behrens R,Ambrosi P

更新日期：2008-01-01 00:00:00

abstract：:New imaging technologies utilising X rays and radiopharmaceuticals are continuously under development. The benefit of computed tomography (CT) has been so dramatic that there is a tendency to overuse it and not to place enough efforts into optimisation of the technique. It is also now more and more common to combine t...

journal_title：Radiation protection dosimetry

authors： Mattsson S,Söderberg M

更新日期：2011-09-01 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：:In radiotherapy involving thermal and epithermal neutrons, the knowledge of dose distributions, with separation of the contribution of each secondary radiation component, is of utmost importance. Layers of Fricke-Xylenol-Orange-infused gel dosemeters give the possibility of achieving such requirements because, owing t...

journal_title：Radiation protection dosimetry

authors： Gambarini G,Carrara M,Gay S,Tomatis S

更新日期：2006-01-01 00:00:00

abstract：:Extensive data have been gathered in the past on the response of different detectors, based on the registration of neutron-induced fissions in bismuth, gold, tantalum and thorium by the spark-replica counter and the thin film breakdown counter. These detectors make it possible to exploit the excellent characteristics ...

journal_title：Radiation protection dosimetry

authors： Tommasino L,Tripathy SP

更新日期：2004-01-01 00:00:00

abstract：:In recent years, international organisations involved in radiation protection and public health have produced new guidance, recommendations and requirements aiming better protection from radon exposure. These organisations have often worked in close collaboration in order to facilitate the establishment of harmonised ...

journal_title：Radiation protection dosimetry

authors： Bochicchio F

更新日期：2014-07-01 00:00:00

abstract：:This study presents the seasonal variations of indoor radon levels in dwellings located in the Ramallah province and East Jerusalem suburbs, Palestine. The measurements were performed during the summer and winter of the year 2006/2007 using CR-39 solid-state-nuclear-track detectors. The total number of investigated bu...

journal_title：Radiation protection dosimetry

authors： Leghrouz AA,Abu-Samreh MM,Shehadeh AK

更新日期：2012-01-01 00:00:00

abstract：:The occupational exposure incurred by the radiation workers due to the external radiation is estimated using personal dosemeter placed on the human body during the monitoring period. In certain situations, it is required to determine whether the dosemeter alone was exposed accidentally/intentionally in radiation field...

journal_title：Radiation protection dosimetry

authors： Srivastava K,Soin S,Sapra BK,Ratna P,Datta D

更新日期：2017-11-01 00:00:00

abstract：:An attempt towards an experimental set up which could provide the experimental data on correlation processes occurred simultaneously in two distanced DNA targets within a charged particle track is presented. A modified Jet Counter nanodosemeter was used in two experiments with carbon ions with mean energies of 52 and ...

journal_title：Radiation protection dosimetry

authors： Pietrzak M,Pszona S,Bantsar A

更新日期：2018-08-01 00:00:00

abstract：:Swedish hemangioma patients were treated in infancy mainly by external application of radium-226 starting from 1920. This work analysed the radiation risk among 17,158 women with a total of 678 breast cancer incidence cases with models of carcinogenesis and empirical excess relative risk models. Models incorporating e...

journal_title：Radiation protection dosimetry

authors： Eidemüller M,Holmberg E,Jacob P,Lundell M,Karlsson P

更新日期：2011-02-01 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：:One of the topics which forms part of CONRAD project addresses the problems related to the dosimetry of complex-mixed radiation fields at workplaces. This topic was included in work package (WP) 6. WP 6 was established to co-ordinate research activities in two areas:the development of new techniques and the improvemen...

journal_title：Radiation protection dosimetry

authors： Spurny F,Silari M

更新日期：2008-01-01 00:00:00