Dose assessment from activated sodium within a body in criticality accidents.

abstract：:Poly(acrylate-co-acrylamide) was a synthesis by chemical oxidation polymerization of an aqueous binary mixture of acrylate/acrylamide (1:1 mole ratio) using ammonium persulphate as an initiator at 70°C under the nitrogen atmosphere. The obtained copolymer was introduced for grafting with polyaniline. The grafting proc...

journal_title：Radiation protection dosimetry

authors： Abd El-Mageed HR,Abd El-Salam HM,Eissa MF

更新日期：2018-03-01 00:00:00

abstract：:The new recommendation issued by the International Commission on Radiological Protection (ICRP) introducing a 20-mSv annual dose limit for the eye lens stimulated an interesting debate among the radiation protection community. In the present work the problem of estimating Hp(3) for neutron realistic workplace spectra ...

journal_title：Radiation protection dosimetry

authors： Ferrari P,Gualdrini G,Tanner R,Fantuzzi E

更新日期：2014-10-01 00:00:00

abstract：:Potassium-40 constitutes the main natural source of potassium present in the body, which influences the effective dose received by people. With the aim of assessing the contribution of this component to the doses received by the Cuban population, a study intended to assess the doses was developed. For this purpose, a ...

journal_title：Radiation protection dosimetry

authors： Zerquera JT,Alonso MP,Bejerano GL,López JO,Rodríguez NA

更新日期：2003-01-01 00:00:00

abstract：:The E. coli catabolite gene activator protein (CAP)-DNA complex with 125I located at the position of the H5 atom of the cytosine near the centre was incorporated into the PARTRAC track structure code. DNA strand breaks due to irradiation were calculated by track structure and radical attack simulations; strand breaks ...

journal_title：Radiation protection dosimetry

authors： Li W,Friedland W,Jacob P,Paretzke HG,Panyutin I,Neumann RD

更新日期：2002-01-01 00:00:00

abstract：:The natural radionuclide (226Ra, 232Th and 40K) contents of building materials commonly used in South Korea have been determined by a gamma ray spectroscopy system using a high purity germanium detector. The radon exhalation rates and emanation coefficients of building materials have also been studied. The average con...

journal_title：Radiation protection dosimetry

authors： Lee SC,Kim CK,Lee DM,Kang HD

更新日期：2001-01-01 00:00:00

abstract：:Beginning in the 16th century, what was later found to be radon was thought to be causing sickness among miners. During the first decades of the 20th century, exposure to radon was seen as being healthy. During the 1940s, 1950s and 1960s researchers thought that the gamma radiation in residences could produce genetic ...

journal_title：Radiation protection dosimetry

authors： Swedjemark GA

更新日期：2004-01-01 00:00:00

abstract：:Spectrum deconvolution is an important task in ionizing radiation measurements, as the pulse height spectra, or, in general, the measured data from spectrometers or other measuring instruments are usually determined by the convolution of the response function with the fluence spectra. The method presented here for obt...

journal_title：Radiation protection dosimetry

authors： Behrens R,Reginatto M

更新日期：2019-12-23 00:00:00

abstract：:The purpose of this work is to compare different methods for shielding calculation in computed tomography (CT). The BIR-IPEM (British Institute of Radiology and Institute of Physics in Engineering in Medicine) and NCRP (National Council on Radiation Protection) method were used for shielding thickness calculation. Sca...

journal_title：Radiation protection dosimetry

authors： Ciraj-Bjelac O,Arandjic D,Kosutic D

更新日期：2011-09-01 00:00:00

abstract：:The hybrid cell line CGL1 is the only cell line which allows quantitation of neoplastic transformation in human cells. Hybrid cells were exposed to 3.4 MeV alpha particles or to mammography X rays (29 kV(p)) and both survival and neoplastic cell transformation were assayed. For comparison, previously published data ob...

journal_title：Radiation protection dosimetry

authors： Frankenberg-Schwager M,Spieren S,Pralle E,Frankenberg D

更新日期：2006-01-01 00:00:00

abstract：:Namie Town in Fukushima Prefecture, the majority of which was an evacuation area as a result of the effects of the Fukushima Daiichi Nuclear Power Plant accident, carried out a 'temporal stay' in September 2016 so that residents could check their houses. Therefore, in cooperation with the town authorities, the authors...

journal_title：Radiation protection dosimetry

authors： Tsujiguchi T,Shiroma Y,Suzuki T,Tamakuma Y,Yamaguchi M,Iwaoka K,Hosoda M,Tokonami S,Kashiwakura I

更新日期：2019-10-01 00:00:00

abstract：:Soil 222Rn concentration, CO2 and CH4 flux measurements were conducted around the Jwalamukhi area of North-West Himalayas, India. During this study, around 37 soil gas points and flux measurements were taken with the aim to assure the suitability of this method in the study of fault zones. For this purpose, RAD 7 (Dur...

journal_title：Radiation protection dosimetry

authors： Kumar A,Walia V,Yang TF,Fu CC,Singh S,Bajwa BS,Arora V

更新日期：2016-10-01 00:00:00

abstract：:Microbeam facilities provide a unique opportunity to investigate the effects of ionising radiation on living biological cells with a precise control of the delivered dose. This paper describes dosimetry calculations performed at the single-cell level in the microbeam irradiation facility available at the Centre d'Etud...

journal_title：Radiation protection dosimetry

authors： Incerti S,Seznec H,Simon M,Barberet P,Habchi C,Moretto P

更新日期：2009-01-01 00:00:00

abstract：:This paper presents an efficient algorithm for estimating the unknown emission rate of radionuclides in the atmosphere following a nuclear accident. The algorithm is based on assimilation of gamma dose rate measured data in a Lagrangian atmospheric dispersion model. Such models are used in the framework of nuclear eme...

journal_title：Radiation protection dosimetry

authors： Tsiouri V,Kovalets I,Andronopoulos S,Bartzis JG

更新日期：2012-01-01 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：: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

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：:Patients are exposed to significant radiation doses during diagnostic and interventional urologic procedures. This study aimed to measure patient entrance surface air kerma (ESAK) and to estimate the effective dose during intravenous urography (IVU), extracorporeal shock-wave lithotripsy (ESWL), and ascending urethogr...

journal_title：Radiation protection dosimetry

authors： Sulieman A,Barakat H,Zailae A,Abuderman A,Theodorou K

更新日期：2015-07-01 00:00:00

abstract：:It has been reported recently that the A-bomb gamma ray spectra received by the colon of the average Japanese survivor of Hiroshima and Nagasaki may be experimentally simulated using a hospital-based Philips SL15 linear accelerator. The simulated A-bomb gamma radiation may be used in radiobiology experiments to determ...

journal_title：Radiation protection dosimetry

authors： Pattison JE,Payne LC,Hugtenburg RP,Beddoe AH,Charles MW

更新日期：2004-01-01 00:00:00

abstract：:The thermoluminescence (TL) of LiF:Mg,Ti has been studied using a high resolution CCD spectrophotometer, which simultaneously measures the emission intensity and the emission spectrum as a function of sample temperature. Computerised deconvolution was used to resolve the emission spectrum into individual Gaussian band...

journal_title：Radiation protection dosimetry

authors： Biderman S,Horowitz Y,Oster L

更新日期：2002-01-01 00:00:00

abstract：:The microdosimetric one hit detector model was applied to calculate the dose response, energy response and relative thermoluminescence (TL) efficiency, eta, of high sensitive LiF:Mg,Cu,P and Al(2)O(3):C detectors after their irradiations by X rays, gamma rays, beta electrons and heavy charged particles (HCP). Microdos...

journal_title：Radiation protection dosimetry

authors： Olko P,Bilski P,Budzanowski M,Czopyk L,Swakon J,Waligorski MP

更新日期：2006-01-01 00:00:00

abstract：:Due to releases of radionuclides in the Fukushima Daiichi Nuclear Power Plant accident, radiocesium ((134)Cs and (137)Cs) has been incorporated into large varieties of plant species and soil types. There is a possibility that radiocesium taken into plants is being diffused by pollen. Radiocesium concentrations in ceda...

journal_title：Radiation protection dosimetry

authors： Tsuruoka H,Inoue K,Sakano Y,Hamada M,Shimizu H,Fukushi M

更新日期：2015-11-01 00:00:00

abstract：:Organ doses and effective dose were calculated with the latest version of the Monte Carlo transport code FLUKA in the case of an anthropomorphic mathematical model exposed to monoenergetic narrow beams of protons, pions and electrons in the energy range 10-400 GeV. The target organs considered were right eye, thyroid,...

journal_title：Radiation protection dosimetry

authors： Pelliccioni M,Silari M,Ulrici L

更新日期：2001-01-01 00:00:00

abstract：:A small, specialised amplifier using commercial integrated circuits (ICs) was developed to measure radiation dose and quality in real time using a microdosimetric ion chamber and the variance method. The charges from a microdosimetric ion chamber, operated in the current mode, were repeatedly collected for a fixed per...

journal_title：Radiation protection dosimetry

authors： Hsu WH,Braby LA,Reece WD

更新日期：2008-01-01 00:00:00

abstract：:The SCK·CEN has carried out neutron field characterisation campaigns at several nuclear reactors. The main goal of these measurement campaigns was to evaluate the performance of different neutron personal dosemeters. To be able to evaluate the performance of neutron personal dosemeters in terms of Hp(10), knowledge of...

journal_title：Radiation protection dosimetry

authors： Cauwels V,Vanhavere F,Reginatto M

更新日期：2014-10-01 00:00:00

abstract：:The natural radionuclide contents of some concrete building blocks randomly sampled in the city of Ibadan have been determined using NaI(Tl) gamma ray spectrometry. The radionuclides 226Ra, 232Th and 40K were determined with city mean specific activities 47 +/- 21 Bq.kg-1, 52 +/- 21 Bq.kg-1, and 352 +/- 222 Bq.kg-1, r...

journal_title：Radiation protection dosimetry

authors： Farai IP,Ademola JA

更新日期：2001-01-01 00:00:00

abstract：:After an explosion of a radiological dispersal device, decision-makers need to implement countermeasures as soon as possible to minimise the radiation-induced risks to the population. In this work, the authors present a tool, which can help providing information about the approximate size of source term and radioactiv...

journal_title：Radiation protection dosimetry

authors： Urso L,Kaiser JC,Woda C,Helebrant J,Hulka J,Kuca P,Prouza Z

更新日期：2014-03-01 00:00:00

abstract：:South coast of India is known as the high-level background radiation area (HBRA) mainly due to beach sands that contain natural radionuclides as components of the mineral monazite. The rich deposit of monazite is unevenly distributed along the coastal belt of Tamil Nadu and Kerala. An HBRA site that laid in 2×7 m alon...

journal_title：Radiation protection dosimetry

authors： Matsuda N,Brahmanandhan GM,Yoshida M,Takamura N,Suyama A,Koguchi Y,Juto N,Raj YL,Winsley G,Selvasekarapandian S

更新日期：2011-07-01 00:00:00

abstract：:The performance of radiation dosemeters that are issued by approved individual monitoring services generally meet international standards, with typical results within a few tens of per cent of the reference value. Experienced dosimetry practitioners will understand the uncertainties and treat monitoring results with d...

journal_title：Radiation protection dosimetry

authors： Gilvin P,McWhan A

更新日期：2011-03-01 00:00:00

abstract：:We evaluated the performances of angiographic units equipped with a flat-panel (FP) detector and image intensifier (II) charge-coupled device (CCD) in the Interventional Cardiology (IC) Department. Entrance dose rate and dose per image, along with the dose at the II level were measured using 2 mm copper sheets to simu...

journal_title：Radiation protection dosimetry

authors： Tsapaki V,Kottou S,Kollaros N,Kyriakidis Z,Neofotistou V

更新日期：2005-01-01 00:00:00

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