Evaluation of the performance of two LiF:Mg,Ti and LiF:Mg,Cu,P dosemeters for extremity monitoring.

abstract：:The novel DIS-1 dosemeter developed by RADOS is based on ionisation chambers with so-called Direct Ion Storage (DIS). The dosemeter can measure Hp(10) and Hp(0.07) of photon and Hp(0.07) of beta irradiation. The characteristics of the commercially available DIS-1 dosemeter were studied at the Paul Scherrer Institute, ...

journal_title：Radiation protection dosimetry

authors： Boschung M,Fiechtner A,Wernli C

更新日期：2002-01-01 00:00:00

abstract：:Chips of a radiophotoluminescence glass dosemeter (RPLG) were used for measurements of space radiation during a 9.8 d Shuttle-Mir mission (STS-91) at an altitude of 400 km and an inclination of 51.65 degrees. Two of RPLG chips were put into each of 59 positions in or on a life-size human phantom. The RPLG values equiv...

journal_title：Radiation protection dosimetry

authors： Yasuda H,Fujitaka K

更新日期：2002-01-01 00:00:00

abstract：:Within the framework of a joint research project on natural radiation exposure and its health effects in Cameroon from 2014 to 2017, the Institute of Geological and Mining Research and the Hirosaki University worked together to carry out natural radiation survey in mining and ore bearing regions of Cameroon. Air kerma...

journal_title：Radiation protection dosimetry

authors： Tokonami S,Hosoda M,Joseph Emmanuel NNI,Akata N,Flore TSY,Modibo OB,Samuel BG,Didier TSS

更新日期：2019-10-01 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：:A 'moving-target' method for characterising background in a counting measurement in which the instantaneous background count rate is a function of time, rather than being fixed, is proposed. This model treats the average Poisson mean in observation period P as coming from a gamma distribution with parameters αP and βP...

journal_title：Radiation protection dosimetry

authors： Klumpp J,Miller G,Brandl A

更新日期：2015-04-01 00:00:00

abstract：:Radiation protection in medicine is becoming more and more important with increasing wider use of X-rays, documentation of effects besides the potential for long-term carcinogenic effects. With computed tomography (CT) likely to become sub-mSv in coming years, positron emission tomography (PET), single photon emission...

journal_title：Radiation protection dosimetry

authors： Rehani MM

更新日期：2015-07-01 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：:New paradigms for parallel programming have been devised to simplify software development on multi-core processors and many-core graphical processing units (GPU). Despite their obvious benefits, the parallelisation of existing computer programs is not an easy task. In this work, the use of the Open Multiprocessing (Op...

journal_title：Radiation protection dosimetry

authors： Örtenberg A,Magnusson M,Sandborg M,Alm Carlsson G,Malusek A

更新日期：2016-06-01 00:00:00

abstract：:An autonomous unmanned helicopter (AUH) survey is a useful tool for monitoring the distribution of ambient dose equivalent rates. However, the AUH survey method was developed for plane permeable fields such as agricultural land, and its applicability to urban areas is unclear. In this study, the applicability was inve...

journal_title：Radiation protection dosimetry

authors： Yoshimura K,Fujiwara K,Nakama S

更新日期：2019-10-01 00:00:00

abstract：:Between 2001 and 2003 a 3.2 kJ dense plasma focus (DPF) device has been built at the Montecuccolino Laboratory of the Department of Energy, Nuclear and Environmental Control Engineering (DIENCA) of the University of Bologna. A DPF is a pulsed device in which deuterium nuclear fusion reactions can be obtained through t...

journal_title：Radiation protection dosimetry

authors： Frignani M,Mostacci D,Rocchi F,Sumini M

更新日期：2005-01-01 00:00:00

abstract：:A comparative analysis of radiation doses determined by tooth enamel electron paramagnetic resonance (EPR) spectroscopy and by an acknowledged analytical method is performed for individual doses and for average doses in population of some settlements of the Bryansk region (Russia), which have been contaminated after t...

journal_title：Radiation protection dosimetry

authors： Ivannikov AI,Skvortsov VG,Stepanenko VF,Zhumadilov KSh

更新日期：2014-06-01 00:00:00

abstract：:The concentration and distribution of natural radionuclides in marble around Igbeti marble mines, Nigeria, were measured to evaluate the environmental radioactivity and health effects which the marble samples may posses. The concentration of radionuclides was determined using gamma-ray spectrometry with NaI (Tl) detec...

journal_title：Radiation protection dosimetry

authors： Ademola AK,Hammed OS,Adejumobi CA

更新日期：2008-01-01 00:00:00

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：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：: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

abstract：:The radiation doses to patient in computed tomography (CT) in Syria have been investigated and compared with similar studies in different countries. This work surveyed 30 CT scanners from six different manufacturers distributed all over Syria. Some of the results in this paper were part of a project launched by the In...

journal_title：Radiation protection dosimetry

authors： Kharita MH,Khazzam S

更新日期：2010-09-01 00:00:00

abstract：:The measurement of air samples may be used to assess risks of internal exposures, either by the use of workplace static air samplers (SAS) or personal air samplers (PAS). These measurements need to incorporate information on the physical and chemical nature of the aerosol, and the relationship between the sampled and ...

journal_title：Radiation protection dosimetry

authors： Roberts GA,Bull RK

更新日期：2007-01-01 00:00:00

abstract：:The aim of biological dosimetry is to estimate the dose and the associated uncertainty to which an accident victim was exposed. This process requires the use of the maximum-likelihood method for fitting a calibration curve, a procedure that is not implemented in most statistical computer programs. Several laboratories...

journal_title：Radiation protection dosimetry

authors： Deperas J,Szluinska M,Deperas-Kaminska M,Edwards A,Lloyd D,Lindholm C,Romm H,Roy L,Moss R,Morand J,Wojcik A

更新日期：2007-01-01 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：:During the European Concerted Action SENTINEL 'Safety and Efficacy for New Techniques and Imaging using New Equipment to Support European Legislation', protocols for commissioning and constancy tests for dynamic digital flat detectors angiography units have been developed in order to harmonise practice among the Europ...

journal_title：Radiation protection dosimetry

authors： Tsapaki V,Padovani R,Vano E,Schreiner A,Molfetas M,Neofotistou V,Kottou S

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：:The HTR method, developed for determination of absorbed dose and average LET of mixed radiation fields in space, was applied during several space missions on space station MIR, space shuttles and satellites. The method utilises the changes of peak height ratios in the glow curves in dependence on the linear energy tra...

journal_title：Radiation protection dosimetry

authors： Vana N,Schoner W,Noll M,Fugger M,Akatov Y,Shurshakov V

更新日期：1999-01-01 00:00:00

abstract：:Breast and prostatic cancer as well as leukaemia in childhood have remarkably increased over some decades in the Federal Republic of Germany as well as in several other highly developed industrial nations. Such increase was much less or not observable in East Germany between 1960 and 1989 where diagnostic exposures we...

journal_title：Radiation protection dosimetry

authors： Schmitz-Feuerhake I,Pflugbeil S

更新日期：2011-09-01 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：:During atmospheric thermal inversions, dew and hoarfrost concentrate gamma emitting radionuclides of the short-lived (222)Rn progeny ((214)Pb and (214)Bi), causing an increase in the total natural gamma background from the ground. To highlight this phenomenon, a volcanic zone of high (222)Rn flux was studied during th...

journal_title：Radiation protection dosimetry

authors： Voltaggio M

更新日期：2012-07-01 00:00:00

abstract：:When neutron survey metres are calibrated in neutron fields, the results for room- and air-scattered neutrons vary according to the distance from the source and the size, shape and construction of the neutron calibration room. ISO 8529-2 recommends four approaches for correcting these effects: the shadow-cone method, ...

journal_title：Radiation protection dosimetry

authors： Lee SK,Kim SI,Lee J,Chang I,Kim JL,Kim H,Kim MC,Kim BH

更新日期：2018-08-01 00:00:00

abstract：:Thermoluminescence (TL) dose responses to gamma radiation in the dose range from 0.1 Gy to 20 kGy in MgSO4:Dy, MgSO4:Dy,Mn, MgSO4:Dy,P and MgSO4:Dy,P,Cu phosphors were obtained and fitted by the composite action dose response function to obtain non-linear characteristic parameters, one-hit factor R and characteristic ...

journal_title：Radiation protection dosimetry

authors： Zhang CX,Luo DL

更新日期：2002-01-01 00:00:00

abstract：:The present study concerns measurements of radon emissions from soil carried out during March to July 2013 at Chite fault in Aizawl district, Mizoram, India. In this study, continuous radon monitoring in soil was done by using LR-115 type II nuclear track detector (Kodak-Pathe, France make), and the exposed films were...

journal_title：Radiation protection dosimetry

authors： Singh S,Jaishi H,Tiwari RP,Tiwari RC

更新日期：2014-11-01 00:00:00

abstract：:The counting efficiency and detection limit of an in vivo thyroid 131I monitoring system using an imaging plate (IP) were estimated using an anthropomorphic thyroid neck phantom. The counting efficiency of the IP system was approximately constant for thyroid volumes between 11.7 and 20 ml and neck diameters between 10...

journal_title：Radiation protection dosimetry

authors： Hirota M,Saze T,Nishizawa K

更新日期：2002-01-01 00:00:00

abstract：:The physics foundations of hadronic interactions as implemented in most Monte Carlo codes are presented together with a few practical examples. The description of the relevant physics is presented schematically split into the major steps in order to stress the different approaches required for the full understanding o...

journal_title：Radiation protection dosimetry

authors： Ferrari A,Sala PR

更新日期：2002-01-01 00:00:00