A follow-up study on indoor 222Rn, 220Rn their decay product concentrations in a mineralised zone of Himachal Pradesh, India.

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：:To evaluate the environmental contamination and contributory external exposure after the accident at the Fukushima Nuclear Power Plant (FNPP), the concentrations of artificial radionuclides in soil samples from each area were analysed by gamma spectrometry. Six artificial radionuclides ((131)I, (134)Cs, (137)Cs, (129m...

journal_title：Radiation protection dosimetry

authors： Taira Y,Hayashida N,Yamashita S,Kudo T,Matsuda N,Takahashi J,Gutevitc A,Kazlovsky A,Takamura N

更新日期：2012-09-01 00:00:00

abstract：:With the widespread introduction of extra high voltage power transmission lines in the 1960s, and subsequent to early reports from Soviet Union scientists about health risks for transformer station personnel, public concern regarding the effects of electromagnetic fields (EMFs) on biological function has given rise to...

journal_title：Radiation protection dosimetry

authors： Cooper PJ,Garny A,Kohl P

更新日期：2003-01-01 00:00:00

abstract：:Radiation dose was measured with set of TL dosimeters during checkout of neutron radiation hardness of the ORTEC preamplifier type 142A in the experiment at the MARIA nuclear reactor at the National Centre for Nuclear Research (NCBJ), Otwock-Świerk, Poland. Different types of LiF-based TL detectors have been used for ...

journal_title：Radiation protection dosimetry

authors： Obryk B,Malik K,Bilski P,Igielski A,Dankowski J,Kurowski A,Prokopowicz R,Pytel K

更新日期：2018-08-01 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：: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：:During the course of an intercomparison exercise it was possible to compare two JAERI phantoms with each other by using a multi-energy photon emitting lung set (241Am/152Eu). One belonged to the IAEA (Vienna), the other belonged to the Human Monitoring Laboratory (Ottawa). The intercomparison of the phantoms showed th...

journal_title：Radiation protection dosimetry

authors： Kramer GH,Hauck BM

更新日期：2001-01-01 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：:The model and development is described of a new generation of Monte Carlo track structure codes. The code LEPHIST simulates full slowing down of low-energy proton history tracks in the range 1 keV-1 MeV and the code LEAHIST simulates low-energy alpha particle history tracks in the range 1 keV-8 MeV in water. All prima...

journal_title：Radiation protection dosimetry

authors： Uehara S,Nikjoo H

更新日期：2002-01-01 00:00:00

abstract：:Crystalline rocks can produce dangerous radiation levels on the basis of their content in radioisotopes. Here, we report radiological data from 10 metamorphic and igneous rock samples collected from the crystalline basement of the Peloritani Mountains (southern Italy). In order to evaluate the radiological properties ...

journal_title：Radiation protection dosimetry

authors： Romano D,Caridi F,Di Bella M,Italiano F,Magazù S,Caccamo MT,Tripodo A,Faggio G,Grillo R,Triolo C,Messina G,Gattuso A,Sabatino G

更新日期：2020-11-18 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：: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：:CsBr phosphor ceramics doped with different luminescence centres such as In2O3, Eu2O3, EuCl3, SmCl3, TbCl3, GdCl3 or NdCl3 as the candidate for a new optically-stimulable phosphor for medical X-ray imaging sensor were prepared using a conventional ceramic fabrication process. It was found that X-ray-irradiated Eu-dope...

journal_title：Radiation protection dosimetry

authors： Kurata N,Kubota N,Takei Y,Nanto H

更新日期：2006-01-01 00:00:00

abstract：:Currently, teletherapy machines of cobalt and caesium are being replaced by linear accelerators. The maximum photon energy in these machines can vary from 4 to 25 MeV, and one of the great advantages of these equipments is that they do not have a radioactive source incorporated. High-energy (E > 10 MV) medical linear ...

journal_title：Radiation protection dosimetry

authors： Falcão RC,Facure A,Silva AX

更新日期：2007-01-01 00:00:00

abstract：:In order to provide reference fields for the ionising radiation, PTB operates the ion accelerator facility. Referring to high energy photons, reference fields according to International Organization for Standardization 4037 series are produced. The neutron component of the 6-7 MeV photon field (R-F), which is produced...

journal_title：Radiation protection dosimetry

authors： Röttger S,Heiske A,Nolte R

更新日期：2009-07-01 00:00:00

abstract：:The new RAMARN system for radon volume activity measurement was developed in 2003 and has been in use since then. RAMARN system consists of a plastic chamber that is conically cylindrical in shape and about 0.5 l in volume; a bare Kodak LR 115 is located on the bottom of this diffusion chamber. The size was chosen to ...

journal_title：Radiation protection dosimetry

authors： Thinová L,Burian I

更新日期：2008-01-01 00:00:00

abstract：:Albedo dosemeters remain the most used dosemeters in neutron individual monitoring. In Brazil, most of the neutron occupational fields are from radionuclide sources, often without any moderation, where albedo dosemeters have poor energy response. The purpose of this work is to compare the HP(10) energy response of the...

journal_title：Radiation protection dosimetry

authors： Freitas BM,da Silva AX,Pereira WW,Mauricio CLP

更新日期：2018-08-01 00:00:00

abstract：:A common problem in internal dosimetry occurs in routine monitoring, when it is required to estimate an intake from a measurement made at the end of a monitoring interval, and the time of intake is unknown. ICRP suggests that it should be assumed that the intake occurred in the middle of the monitoring period. However...

journal_title：Radiation protection dosimetry

authors： Birchall A,Puncher M,Marsh JW

更新日期：2007-01-01 00:00:00

abstract：:In 2000 and 2001 about 279 and 221 radiation workers, respectively, were monitored by the Federal Radiation Protection Service, University of Ibadan, in Nigeria. The distribution of the occupational doses shows that the majority of workers received doses below 4 mSv in each of the two years. The radiation workers in t...

journal_title：Radiation protection dosimetry

authors： Ogundare FO,Balogun FA

更新日期：2003-01-01 00:00:00

abstract：:The latest advances in the development of a fluorescent nuclear track detector (FNTD) for neutron and heavy charged particle dosimetry are described and compared with CR-39 plastic nuclear etched track detectors (PNTDs). The technique combines a new luminescent aluminium oxide single crystal detector (Al(2)O(3):C,Mg) ...

journal_title：Radiation protection dosimetry

authors： Sykora GJ,Akselrod MS,Salasky M,Marino SA

更新日期：2007-01-01 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 feasibility of large-geometry Metal Oxide Semiconductor Field Effect Transistor (MOSFET) devices has been assessed for both active and passive neutron dosimetry and use in radiotherapy environments. Neutron sensitivity has been enhanced with the use of polymeric cement surrounding the gate region. Neutron activati...

journal_title：Radiation protection dosimetry

authors： Price RA,Benson C,Joyce MJ,Kestell DJ,Silvie J

更新日期：2004-01-01 00:00:00

abstract：:Efficiency tracing with unquenched 14C and zero detection threshold with unquenched 3H as tracers are practical and simple techniques which have been implemented to quantify the activity of various beta emitters using liquid scintillation analyser. These techniques are used to study the influence of quench level on ac...

journal_title：Radiation protection dosimetry

authors： Reddy PJ,Bhade SP,Babu DA,Sharma DN

更新日期：2011-11-01 00:00:00

abstract：:Public opinion on the application of nuclear technology and radiation could change when a nuclear related event occurs. Japan Atomic Energy Relations Organization has tracked its variation through a nationwide opinion survey in Japan by almost the same way every year since FY 2006. We can identify a continuous long-te...

journal_title：Radiation protection dosimetry

authors： Iimoto T,Takashima R,Kimura H,Kawakami K,Endo H,Yasuda H,Nagata N,Sakai N,Kawasaki Y,Funakoshi M

更新日期：2019-10-01 00:00:00

abstract：:A multipurpose anthropomorphic neck phantom was designed and fabricated for use in medical applications. The designed neck phantom is composed of seven elliptic cylindrical slices with a semi-major axis of 14 cm and a semi-minor axis of 12.5 cm, each having the thickness of 2 cm. The thyroid gland, bony part of the ne...

journal_title：Radiation protection dosimetry

authors： Mehdizadeh Naderi S,Sina S,Karimipoorfard M,Lotfalizadeh F,Entezarmahdi M,Moradi H,Faghihi R

更新日期：2016-03-01 00:00:00

abstract：:In this study, a method to discriminate between natural and other γ-ray sources from environmental γ-ray dose rate monitoring data was developed, and it was successfully applied to actual monitoring data around nuclear facilities. The environmental dose rate is generally monitored by NaI(Tl) detector systems in the lo...

journal_title：Radiation protection dosimetry

authors： Kumagai K,Ookubo H,Kimura H

更新日期：2015-11-01 00:00:00

abstract：:A device able to trap a liquid droplet in a host liquid in a metastable (superheated) state was developed for a better understanding of the operational principles and for an extension of the application of superheated drop detectors (SDDs). Droplets of trans-2-butene in a metastable state were exposed to Am-Be neutron...

journal_title：Radiation protection dosimetry

authors： Sawamura T,Joji T,Homma A

更新日期：2003-01-01 00:00:00

abstract：:In the frame of the EU Coordination Action CONRAD (coordinated network for radiation dosimetry), WP4 was dedicated to work on computational dosimetry with an action entitled 'Uncertainty assessment in computational dosimetry: an intercomparison of approaches'. Participants attempted one or more of eight problems. This...

journal_title：Radiation protection dosimetry

authors： de Carlan L,Price R,Chartier JL,Kodeli I,Siebert B,Henninger J,Posselt J,Gualdrini G,Agosteo S,Bedogni R,Bordy JM,Cassette P,Ferrari P,Gomez Ros JM,Grosswendt B,Lacoste V,Pola A,Rollet S,Schultz F,Simakov SP,Tanne

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：: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