A fast response and gamma-insensitive neutron detector based on parallel-plate avalanche counter.

abstract：:A theoretical evaluation of the properties and processes affecting the radon transport from subsurface soil into buildings is presented in this work. The solution of the relevant transport equation is obtained using the explicit finite difference method (EFDM). Results are compared with analytical steady-state solutio...

journal_title：Radiation protection dosimetry

authors： Savović S,Djordjevich A,Ristić G

更新日期：2012-06-01 00:00:00

abstract：:Radioactive liquid wastes of low-medium activity level are generated in radio immune assay (RIA) laboratories, which are also potentially infectious because of the pathogens from patient blood. The most common way of managing these wastes consists of a temporal storage, for partial radioactivity decay, followed by man...

journal_title：Radiation protection dosimetry

authors： Sancho M,Arnal JM,Villaescusa JI,Campayo JM,Verdú G

更新日期：2005-01-01 00:00:00

abstract：:The aim of the present study was to compare image quality and patient dose in cardiac computed tomography angiography (CTA) in terms of volume computed tomography dose index (CTDI vol), dose length product (DLP) and effective dose, when changing from filtered back projection (FBP) to adaptive iterative dose reduction ...

journal_title：Radiation protection dosimetry

authors： Dyakov I,Stoinova V,Groudeva V,Vassileva J

更新日期：2015-07-01 00:00:00

abstract：:The emerging 5 G wireless devices working at frequencies above 6 GHz are expected to have antenna arrays formed by dipoles, slots, patches or their combination. At lower frequencies, the accepted criteria for exposure compliance is stated in terms of specific absorption rate. IEEE and ICNIRP are adopting epithelial or...

journal_title：Radiation protection dosimetry

authors： Carrasco E,Colombi D,Foster KR,Ziskin M,Balzano Q

更新日期：2019-06-01 00:00:00

abstract：:A Japanese voxel phantom in upright posture, JM2, has been developed on the basis of CT images of a healthy Japanese adult male. Body characteristics of JM2 were compared with those of the supine voxel phantom, JM, previously developed using CT images of the same person. Differences were found in the shapes of the spi...

journal_title：Radiation protection dosimetry

authors： Sato K,Noguchi H,Endo A,Emoto Y,Koga S,Saito K

更新日期：2007-01-01 00:00:00

abstract：:Radon measurements, as do any measurements, include errors in their readings. The relative values of such errors depend principally on the measurement methods used, the radon concentration to be measured and the duration of the measurements. Typical exposure times for radon surveys using passive detectors [nuclear tra...

journal_title：Radiation protection dosimetry

authors： Janik M,Łoskiewicz J,Tokonami S,Kozak K,Mazur J,Ishikawa T

更新日期：2012-11-01 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：:A device based on a single silicon detector of special converter/detector design optimised for the determination of the neutron dose equivalent is also used for the determination of the photon dose equivalent. While the neutron dose is determined on the basis of signals corresponding to energy depositions above 1.5 Me...

journal_title：Radiation protection dosimetry

authors： Luszik-Bhadra M

更新日期：2002-01-01 00:00:00

abstract：:A series of magnesium sulphate phosphors MgSO4:RE3+,X ( RE = Dy, Tm, Eu and X = P, Mn) have been prepared and studied. Based on the experimental results of thermoluminescence (TL) emission spectra and dose responses studies, it is proposed that in these phosphors large defect complexes are formed, which include intrin...

journal_title：Radiation protection dosimetry

authors： Luo DL,Tang Q,Zhang CX

更新日期：2006-01-01 00:00:00

abstract：:238U, 234U and 235U were determined in tap water from municipal water pipes that drew their supply from surface water or ground water in various locations in Poland. Average activity concentrations of 238U, 234U and 235U in tap water from surface water were 9.6 +/- 7.1, 12.8 +/- 9.7 and 0.41 +/- 0.31 Bq m(-3), respect...

journal_title：Radiation protection dosimetry

authors： Pietrzak-Flis Z,Kaminska I,Chrzanowski E

更新日期：2005-01-01 00:00:00

abstract：:Bonner sphere spectrometers (BSSs) are employed in neutron spectrometry and dosimetry since many years. Recent developments have seen the addition to a conventional BSS of one or more detectors (moderator plus thermal neutron counter) specifically designed to improve the overall response of the spectrometer to neutron...

journal_title：Radiation protection dosimetry

authors： Agosteo S,Dimovasili E,Fassò A,Silari M

更新日期：2004-01-01 00:00:00

abstract：:The purpose of this article is to recommend positioning to reduce the effective and breast-absorbed-doses in paediatric scoliosis radiography. Effective and breast-absorbed-doses were evaluated using Monte Carlo simulations. Head directed towards the anode (HTA) positioning rather than head directed towards the cathod...

journal_title：Radiation protection dosimetry

authors： Ben-Shlomo A,Bartal G,Shabat S,Mosseri M

更新日期：2013-01-01 00:00:00

abstract：:A novel single cell irradiation system using carbon nanotube (CNT) based field emission technology is proposed. The system can produce electron microbeam at a large range of pulsation frequencies and dose rates with energy between 20 and 60 keV. Different from any existing single beam microbeam device, the CNT-based s...

journal_title：Radiation protection dosimetry

authors： Chang S,Zhang J,Bordelon D,Schreiber E,Cox A,Zhou O

更新日期：2006-01-01 00:00:00

abstract：:In Malaysia technologically enhanced naturally occurring radioactive materials (TENORM) wastes are mainly the product of the oil and gas industry and mineral processing. Among these TENORM wastes are tin tailing, tin slag, gypsum and oil sludge. Mineral processing and oil and gas industries produce large volume of TEN...

journal_title：Radiation protection dosimetry

authors： Ismail B,Teng IL,Muhammad Samudi Y

更新日期：2011-11-01 00:00:00

abstract：:To measure dose distribution for X- and gamma rays simply and accurately, a tissue-equivalent thermoluminescent (TL) sheet-type dosemeter and reader system were developed. The TL sheet is composed of LiF:Mg,Cu,P and ETFE polymer, and the thickness is 0.2 mm. For the TL reading, a square heating plate, 20 cm on each si...

journal_title：Radiation protection dosimetry

authors： Nariyama N,Konnai A,Ohnishi S,Odano N,Yamaji A,Ozasa N,Ishikawa Y

更新日期：2006-01-01 00:00:00

abstract：:In the framework of the ORAMED project (Optimization of RAdiation protection for MEDical staff), funded by the European Union Seventh Framework Programme, different studies were aimed at improving the quality of radiation protection in interventional radiology and nuclear medicine. The main results of the project were...

journal_title：Radiation protection dosimetry

authors： Gualdrini G,Bordy JM,Daures J,Fantuzzi E,Ferrari P,Mariotti F,Vanhavere F

更新日期：2013-05-01 00:00:00

abstract：:The energy responses for the KLT-300(LiF:Mg,Cu,Na,Si, Korea), GR-200(LiF:Mg,Cu,P, China) and MCP-N(LiF:Mg,Cu,P, Poland) thermoluminescence(TL) pellets were studied for a photon radiation with energies from 1.25 MeV(60Co) to 21 MV (Microtron) to verify the usefulness of the calibration for the radiotherapy beams. The I...

journal_title：Radiation protection dosimetry

authors： Kim JL,Lee JI,Ji YH,Kim BH,Kim JS,Chang SY

更新日期：2006-01-01 00:00:00

abstract：:This paper presents the finding of a study undertaken to determine natural radioactivity and associated hazards in local types of cement in Iran. A total of 42 samples were collected from various manufacturers and suppliers and analysed using a shielded HPGe gamma-ray spectrometer. The specific activities of 232Th, 22...

journal_title：Radiation protection dosimetry

authors： Fathivand AA,Amidi J

更新日期：2007-01-01 00:00:00

abstract：:There is a preoccupation with linearity and absorbed dose as the basic quantifiers of radiation hazard. An alternative is the fluence approach, whereby radiation hazard may be evaluated, at least in principle, via an appropriate action cross section. In order to compare these approaches, it may be useful to discuss th...

journal_title：Radiation protection dosimetry

authors： Waligórski MP

更新日期：2002-01-01 00:00:00

abstract：:A widely used method in the planning of protective actions is to establish a stakeholder network to generate a comprehensive set of generic protective actions. The aim is to increase competence and build links for communication and coordination. The approach of this work was to systematically evaluate protective actio...

journal_title：Radiation protection dosimetry

authors： Sinkko K,Hämäläinen RP,Hänninen R

更新日期：2004-01-01 00:00:00

abstract：:Individual genetic variation can influence susceptibility to the carcinogenic effects of many environmental carcinogens. In radiation-exposed populations those individuals with a greater genetically determined susceptibility would be at greater risk of developing cancer. To include this modification of risk into radia...

journal_title：Radiation protection dosimetry

authors： Rosemann M,Kuosaite V,Nathrath M,Atkinson MJ

更新日期：2002-01-01 00:00:00

abstract：:Amongst the dosemeters offered by the Health Protection Agency (HPA) Personal Dosimetry Service are finger rings, which use the Harshaw™ DXTRAD element. This paper describes restricted-type testing carried out by HPA on the previously untried combination of the LiF:Mg,Cu,P material and a thicker filter (42 mg cm(-2))....

journal_title：Radiation protection dosimetry

authors： Baker ST,Roberts GH,Gilvin PJ

更新日期：2011-03-01 00:00:00

abstract：:A module for proton track structure simulation in liquid water was implemented in the biophysical model PARTRAC. Simulated tracks of energy deposition events from the radiation under investigation were superimposed on a higher-order DNA target model describing the whole genome inside a human cell. The parameters contr...

journal_title：Radiation protection dosimetry

authors： Friedland W,Bernhardt P,Jacob P,Paretzke HG,Dingfelder M

更新日期：2002-01-01 00:00:00

abstract：:Methodological problems arise on the way of radiation carcinogenesis modelling with the incorporation of radiobiological and cancer biology mechanistic data. The results of biophysical modelling of different endpoints [DNA DSB induction, repair, chromosome aberrations (CA) and cell proliferation] are presented and app...

journal_title：Radiation protection dosimetry

authors： Andreev SG,Eidelman YA,Salnikov IV,Khvostunov IK

更新日期：2006-01-01 00:00:00

abstract：:This study aims to develop an Automatic Brain Dose Estimation (ABDE) methodology for head computed tomography examinations. The ABDE is to be applied first to an anthropomorphic Alderson phantom to obtain a Correction factor (Cf) between the ABDE and the direct absorbed brain dose using dosemeters positioned within th...

journal_title：Radiation protection dosimetry

authors： Gharbi S,Labidi S,Mars M

更新日期：2020-07-02 00:00:00

abstract：:Although numerous models have been developed for occupational and medical internal dosimetry, they may not be applicable to an accident situation. Published dose coefficients relate effective dose to intake, but if acute deterministic effects are possible, effective dose is not a useful parameter. Consequently, dose r...

journal_title：Radiation protection dosimetry

authors： Toohey RE

更新日期：2003-01-01 00:00:00

abstract：:An invited panel discussed with the participants of the Symposium their views on the impact of non-targeted effects on the relationship between microdosimetry and risk. The discussion was wide ranging and lively, with divergences of opinion. At one end was the view that understanding microscopic features and distribut...

journal_title：Radiation protection dosimetry

authors： Goodhead DT

更新日期：2011-02-01 00:00:00

abstract：:Dose and dose rate effectiveness factors (DDREF), in conjunction with other weighting factors, are commonly used to scale atomic bomb survivor data in order to establish limits for occupational radiation exposure, including radiation exposure in space. We use some well-known facts about the microscopic pattern of ener...

journal_title：Radiation protection dosimetry

authors： Schimmerling W,Cucinotta FA

更新日期：2006-01-01 00:00:00

abstract：:The radiation therapy carried out by means of heavy charged particles (such as carbon ions) and neutrons is rapidly becoming widespread worldwide. The success of these radiation therapies relies on the high density of energy released by these particles or by secondary particles produced after primary interaction with ...

journal_title：Radiation protection dosimetry

authors： Marrale M,Longo A,Barbon A,Brustolon M,Brai M

更新日期：2014-10-01 00:00:00

abstract：:Composite neutron scintillators consisting of neutron-insensitive fluorescent dopant particles (e.g. ZnS:Ag) embedded in a matrix material containing isotopes with high neutron cross sections that emit energetic charged particles (e.g. 6Li) are a popular method for neutron detection in a variety of applications. The s...

journal_title：Radiation protection dosimetry

authors： Stephan AC,Dai S,Wallace SA,Miller LF

更新日期：2005-01-01 00:00:00