SCOPING ANALYSIS OF MATERIAL ACTIVATION AT A BORON NEUTRON CAPTURE THERAPY FACILITY BASED ON THE Be(p,xn) REACTION WITH 30 MeV PROTONS.

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：:The amazing feature of ionising radiation (IR) as a DNA damaging agent is the range of lesions it induces. Such lesions include base damage, single strand breaks (SSBs), double strand breaks (DSBs) of varying complexity and DNA cross links. A range of DNA damage response mechanisms operate to help maintain genomic sta...

journal_title：Radiation protection dosimetry

authors： Jeggo P,Löbrich M

更新日期：2006-01-01 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：:The goal of this study was to develop a method to quantitatively assess the structural shielding performance of computed tomography (CT) rooms in Switzerland. The method was based on the comparison between calculated maximum allowed ambient dose rate (DR) and measured ambient DR in adjacent spaces. If the measured DR ...

journal_title：Radiation protection dosimetry

authors： Treier R,Landis R,Theiler T,Stritt N,Trueb PR,Baechler S

更新日期：2017-04-25 00:00:00

abstract：:Diamond is a material with extreme physical properties. Its radiation hardness, chemical inertness and tissue equivalence qualify it as an ideal material for radiation dosimetry. In the present work, the optically stimulated luminescence (OSL) and thermoluminescence (TL) characteristics of a 10 microm thick CVD diamon...

journal_title：Radiation protection dosimetry

authors： Preciado-Flores S,Schreck M,Meléndrez R,Chernov V,Bernal R,Cruz-Vázquez C,Cruz-Zaragoza E,Barboza-Flores M

更新日期：2006-01-01 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：:The personnel dosimetry department of the Greek Atomic Energy Commission (GAEC) assures the individual monitoring of almost 8000 occupationally exposed workers. Thermoluminescence dosimetry systems will replace the existing photographic dosimetry system for the individual monitoring with the joint support of IAEA and ...

journal_title：Radiation protection dosimetry

authors： Carinou E,Drikos G,Hourdakis C,Hyvönen H,Kamenopoulou V

更新日期：2001-01-01 00:00:00

abstract：:Realising that the major part of radiation protection efforts had been directed for over half a century at radiation protection of workers, and that there are major issues in relation to medical exposure, which contributes to over 95 % of the dose to the global population from man-made sources, with increasing individ...

journal_title：Radiation protection dosimetry

authors： Rehani MM,Holmberg O,Ortiz López P,Mettler F

更新日期：2011-09-01 00:00:00

abstract：:An optical fibre radiation dosemeter has been developed that utilises optically stimulated luminescence and scintillation to provide independent, remote, real-time dose measurements. The radiation sensitive element consists of a 1 mm long, 0.4 mm diameter piece of copper-ion-doped fused quartz that is attached to a 1 ...

journal_title：Radiation protection dosimetry

authors： Huston AL,Justus BL,Falkenstein PL,Miller RW,Ning H,Altemus R

更新日期：2002-01-01 00:00:00

abstract：:Instead of conventional Ge semiconductor detectors and NaI(Tl) scintillation spectrometers, an application of a CdZnTe semiconductor (CZT) whose crystal has the dimension of 1 cm cubic to the in situ environmental radioactivity measurement was attempted in deeply affected areas in Fukushima region. Results of depositi...

journal_title：Radiation protection dosimetry

authors： Kowatari M,Kubota T,Shibahara Y,Fujii T,Fukutani S,Takamiya K,Mizuno S,Yamana H

更新日期：2015-11-01 00:00:00

abstract：:Optically stimulated luminescence (OSL) 'dot' dosemeters (manufactured by Landauer®) are reported to have a high degree of environmental stability, high level of sensitivity and provide wide range of dose measuring capabilities from 0.05 mGy to 100 Gy. The optical read out method is fast and relatively simple and perm...

journal_title：Radiation protection dosimetry

authors： Timilsina B,Gesell TF

更新日期：2011-01-01 00:00:00

abstract：:To find appropriate substitutions for the expensive plastics of A-150 and rexolite used in the construction of thick gas electron multiplier (THGEM)-based tissue-equivalent proportional counters, in the present work, the responses of a THGEM-based microdosimetric detector made of A-150 and rexolite and three others co...

journal_title：Radiation protection dosimetry

authors： Moslehi A,Raisali G,Lamehi M

更新日期：2017-04-15 00:00:00

abstract：:The use of high-energy linear electron accelerators (LINACs) for medical cancer treatments is widespread on an international scale. The associated bremsstrahlung X rays may produce neutrons as a result of subsequent photonuclear reactions with the different materials constituting the accelerator head. The generated ne...

journal_title：Radiation protection dosimetry

authors： Fernández F,Domingo C,Amgarou K,Castelo J,Bouassoule T,Garcia MJ,Luguera E

更新日期：2007-01-01 00:00:00

abstract：:In environmental radiation monitoring, the time-variable natural gamma radiation background complicates the nuclide identification and analysis of a gamma spectrum. A full spectrum analysis based on the noise adjusted singular value decomposition method for the description of the time-variable background and adjustmen...

journal_title：Radiation protection dosimetry

authors： Reinhardt S

更新日期：2014-08-01 00:00:00

abstract：:The time variation of the radon equilibrium factor F was measured every four hours in the Nuclear Technology Laboratory of the Aristotle University of Thessaloniki (in northern Greece) during October 1998-April 1999. The time dependence of the mean weekly value of radon equilibrium factor F is relatively small. During...

journal_title：Radiation protection dosimetry

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

更新日期：2003-01-01 00:00:00

abstract：:Magnetic resonance imaging (MRI) is one of the most common sources of electromagnetic (EM) fields as a diagnostic technique widely used in medicine. MRI staff during the working day is constantly exposed to static and spatially heterogeneous magnetic field. Also, moving around the MRI room to perform their functions, ...

journal_title：Radiation protection dosimetry

authors： Hartwig V,Virgili G,Ferrante Vero LF,De Marchi D,Landini L,Giovannetti G

更新日期：2018-12-01 00:00:00

abstract：:Estimation of the surface dose is very important for patients undergoing radiation therapy. The purpose of this study is to investigate the dose at the surface of a water phantom at a depth of 0.007 cm as recommended by the International Commission on Radiological Protection and International Commission on Radiation U...

journal_title：Radiation protection dosimetry

authors： Alashrah S,Kandaiya S,Maalej N,El-Taher A

更新日期：2014-12-01 00:00:00

abstract：:A passively safe small reactor for a distributed energy system, PSRD, is an integral type of light-water reactor with a thermal output of 100 or 300 MW aimed to be used for supplying district heat, electricity to small grids, and so on. Candidate locations for the PSRD as a distributed energy source are on-ground, dee...

journal_title：Radiation protection dosimetry

authors： Odano N,Ishida T

更新日期：2005-01-01 00:00:00

abstract：:In 2008, the German Childhood Cancer Registry published the results of the Kinderkrebs in der Umgebung von Kernkraftwerken (KiKK) study of childhood cancer and leukaemia around German nuclear power stations. The positive findings appeared to conflict with the results of a recent British analysis carried out by the Com...

journal_title：Radiation protection dosimetry

authors： Bithell JF,Keegan TJ,Kroll ME,Murphy MF,Vincent TJ

更新日期：2008-01-01 00:00:00

abstract：:The Christian ethical tradition introduces a number of key values into the clinical context. Moreover, although some denominational differences exist, these are essentially differences of emphasis rather than of substance. Among the central values which the Christian tradition promotes are: the dignity of the person, ...

journal_title：Radiation protection dosimetry

authors： Hogan L

更新日期：2009-07-01 00:00:00

abstract：:An improvement in the clinical results obtained using total body irradiation (TBI) with photon beams requires precise TBI treatment planning, reproducible irradiation, precise in vivo dosimetry, accurate documentation and careful evaluation. In vivo dosimetry using LiF Harshaw TLD-100 chips was used during the TBI tre...

journal_title：Radiation protection dosimetry

authors： Palkosková P,Hlavata H,Dvorák P,Novotný J,Novotný J Jr

更新日期：2002-01-01 00:00:00

abstract：:The theoretical basis for comparing risks from short- and long-term exposures is developed aiming at implementing long-term exposures into a unique and consistent system of radiation protection. Based on system-analytical considerations, the equivalence of population-averaged risk rates due to prolonged exposures and ...

journal_title：Radiation protection dosimetry

authors： Beck TR

更新日期：2016-12-01 00:00:00

abstract：:At least 10% of inhabitants in the Czech Republic are supplied with water from private sources (private wells, boreholes). With the increasing cost of water, the number of people using their own sources of drinking water will be likely to increase. According to the Decree of the State Office for Nuclear Safety about t...

journal_title：Radiation protection dosimetry

authors： Otahal P,Merta J,Burian I

更新日期：2014-07-01 00:00:00

abstract：:In this work, the MCNP4B code has been employed to calculate conversion coefficients from air kerma to the ambient dose equivalent, H*(10)/Ka, for monoenergetic photon energies from 10 keV to 50 MeV, assuming the kerma approximation. Also estimated are the H*(10)/Ka for photon beams produced by linear accelerators, su...

journal_title：Radiation protection dosimetry

authors： Lima MA,Silva AX,Crispim VR

更新日期：2004-01-01 00:00:00

abstract：:Simultaneous indoor radon, radon-thoron progeny and high-resolution in situ gamma spectrometry measurements, with portable high-purity Ge detector were performed in 26 dwellings of Thessaloniki, the second largest town of Greece, during March 2003-January 2005. The radon gas was measured with an AlphaGUARD ionisation ...

journal_title：Radiation protection dosimetry

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

更新日期：2006-01-01 00:00:00

abstract：:In a previous paper, conversion coefficients for the personal dose equivalent, H(p)(d), for photons were reported. This note reports values for electrons calculated using similar techniques. The personal dose equivalent is the quantity used to approximate the protection quantity effective dose when performing personal...

journal_title：Radiation protection dosimetry

authors： Veinot KG,Hertel NE

更新日期：2012-04-01 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：:To aid in protecting patients from unnecessary exposures and to reduce radiation burdens to the public, a system for tracking a patient's medical exposure history and related radiation doses would be a useful tool. A patient-centred exposure registry, the Patient Exposure Registry (PER), is a mechanism that provides t...

journal_title：Radiation protection dosimetry

authors： Chen J,Moir D,Cornett J

更新日期：2010-12-01 00:00:00

abstract：:In the light of a growing awareness of the risks of inducing skin injuries as a consequence of fluoroscopically guided interventional procedures (FGIPs), this paper reports measurements of ESDs made during the period August 1998 to June 1999 on 137 patients undergoing cardiac, neurological and general FGIPs in the Sou...

journal_title：Radiation protection dosimetry

authors： Waite JC,Fitzgerald M

更新日期：2001-01-01 00:00:00

abstract：:Earlier measurements have revealed that active electronic dosemeters have deficiencies in pulsed fields of ionising radiation due to the counting technique used. The DIS-1 dosemeter uses a promising technology, which should be basically suitable for measurements in pulsed fields. In this paper, first measurements with...

journal_title：Radiation protection dosimetry

authors： Zutz H,Hupe O

更新日期：2013-05-01 00:00:00