NASA Space Radiation Transport Code Development Consortium.

abstract：:The indoor workplace environment was evaluated for exposure to radon and its decay products at two Universities in two metropolises of Japan. The mean radon concentrations in Nagoya University (NU) and Hokkaido University (HU) were 16.7 Bq m(-3) and 18.0 Bq m(-3), respectively. Activity median aerodynamic diameter (AM...

journal_title：Radiation protection dosimetry

authors： Rahman NM,Iida T,Yamazawa H,Yokoyama S,Moriizumi J,Saito F,Ito T

更新日期：2007-01-01 00:00:00

abstract：:Zircon contains small amounts of uranium, thorium and radium in its crystalline structure. The ceramic industry is one of the major consumers of zirconium compounds that are used as an ingredient at ∼10-20 % by weight in glaze. In this study, seven different ceramic factories have been investigated regarding the prese...

journal_title：Radiation protection dosimetry

authors： Fathabadi N,Farahani MV,Amani S,Moradi M,Haddadi B

更新日期：2011-06-01 00:00:00

abstract：:Monitoring of radon in underground mines is important in order to assess the radiological hazards to occupational workers. Radon concentration levels in three underground lignite mines (Tunçbilek, Omerler and Eynez) of Turkey were obtained in this study. For this reason, atmospheric radon level measurements were carri...

journal_title：Radiation protection dosimetry

authors： Cile S,Altinsoy N,Celebi N

更新日期：2010-01-01 00:00:00

abstract：:Recent development of CaF2:Cu (the most sensitive material for radiation dosimetry) exhibiting a TL glow peak around 270 degrees C similar to that of CaF2:Mn has made it attractive to study the influence of heating rate on the response of CaF2 based TLDs. Influence of heating rate on CaF2:Mn (known to reduce the respo...

journal_title：Radiation protection dosimetry

authors： Pradhan AS

更新日期：2002-01-01 00:00:00

abstract：:The outdoor gamma background of the historic center of Rome was studied by in situ measurements and average values of the outcropping geological formations. The survey resulted in two maps of dose equivalent rate, related to pre-anthropic and present conditions. Presently, the average of the dose equivalent rate from ...

journal_title：Radiation protection dosimetry

authors： Daniela G,Carloni S,Voltaggio M,Di Lisa GA

更新日期：2019-12-31 00:00:00

abstract：:The majority of the world's population relies on surface water or large public supply systems of groundwater, where radon is low and a guidance value for radon in drinking water is not necessary. However, the International Commission on Radiological Protection (ICRP) recently issued a dose coefficient for radon ingest...

journal_title：Radiation protection dosimetry

authors： Chen J

更新日期：2019-12-31 00:00:00

abstract：:Doses in radiology should be as low as reasonably achievable. In order to compare practice in different centres it is necessary to compare patient doses. This can only be undertaken if dosimetry studies are similar. In order to facilitate comparisons, the DIMOND consortium developed a patient dosimetry protocol. Refer...

journal_title：Radiation protection dosimetry

authors： Faulkner K

更新日期：2005-01-01 00:00:00

abstract：:Following a radiological or nuclear emergency, first responders and the public may become internally contaminated with radioactive materials, as demonstrated during the Goiânia, Chernobyl and Fukushima accidents. Timely monitoring of the affected populations for potential internal contamination, assessment of radiatio...

journal_title：Radiation protection dosimetry

authors： Li C,Ansari A,Etherington G,Jourdain JR,Kukhta B,Kurihara O,Lopez MA,Ménétrier F,Alves Dos Reis A,Solomon S,Zhang J,Carr Z

更新日期：2016-09-01 00:00:00

abstract：:During medical X-ray examinations of patients, humans as well as animals, voluntarily assisting persons are frequently needed in order to calm down the patient or animal. Typical exposure situations have been identified and measurements were performed in the fields of scattered X-rays. The personal dose equivalent H(p...

journal_title：Radiation protection dosimetry

authors： Hupe O,Ankerhold U

更新日期：2011-03-01 00:00:00

abstract：:The project 'Radiological Analysis of Environmental Samples in the Gulf of Mexico and the coast of Quintana Roo', had the aim of identifying and quantifying anthropogenic radionuclides in environmental samples consisting of silt, sand and sea water. This paper presents the results of the radiological analysis of these...

journal_title：Radiation protection dosimetry

authors： Salas Mar B

更新日期：2015-11-01 00:00:00

abstract：:A new quasi-monoenergetic neutron beam facility has been constructed at The Svedberg Laboratory (TSL) in Uppsala, Sweden. Key features include a neutron energy range of 11-175 MeV, high fluxes, user flux control, flexible neutron field size and shape, and spacious and easily accessible user area. The first results of ...

journal_title：Radiation protection dosimetry

authors： Prokofiev AV,Blomgren J,Byström O,Ekström C,Pomp S,Tippawan U,Ziemann V,Osterlund M

更新日期：2007-01-01 00:00:00

abstract：:In the event of a criticality accident, not only the maximal doses received by the victims must be determined but it is also crucial to evaluate the doses to the different organs. With a neutron component, morphology is a key parameter in the organ dose calculation. As the simulation tools can be time consuming to pro...

journal_title：Radiation protection dosimetry

authors： Chevallier MA,Pontier JB,Morin H,Duluc M,Evo S,Letang E,Trompier F

更新日期：2020-11-06 00:00:00

abstract：:The occupational annual dose levels, encountered at fabrication of emerging nuclear fuels, have been studied. Emerging fuels for the single and multiple recycling of Pu and MA have resulted in considerably higher gamma and neutron doses in comparison with commercial fuels. The occupational dose limit is exceeded at fa...

journal_title：Radiation protection dosimetry

authors： Nicolaou G

更新日期：2014-12-01 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：:This study aimed to reveal the effect of X-irradiation on mitochondrial function in terms of mitochondrial membrane potential (ΔΨm) and ATP productivity. At the cellular level, ΔΨm was quantified using JC-1, a mitochondrial probe that emits red or green fluorescence at high or low ΔΨm sites, respectively. The fluoresc...

journal_title：Radiation protection dosimetry

authors： Hamada R,Kaminaga K,Suzuki K,Yokoya A

更新日期：2019-05-01 00:00:00

abstract：:In France, natural sources account for most of the population exposure to ionising radiation. This exposure varies widely with area. Radon and gamma-ray exposure data come from national measurement campaigns; cosmic doses were calculated from city altitude. These data were corrected for season of measurement, housing ...

journal_title：Radiation protection dosimetry

authors： Billon S,Morin A,Caër S,Baysson H,Gambard JP,Backe JC,Rannou A,Tirmarche M,Laurier D

更新日期：2005-01-01 00:00:00

abstract：:The newsletter 'European Research in Radiological Sciences' is jointly published by the European Late Effects Project Group and the European Radiation Dosimetry Group to disseminate information about research projects and activities carried out under the EURATOM Framework Programme. Since May 2003, the Newsletter is o...

journal_title：Radiation protection dosimetry

authors： Pihet P,d'Errico F,Dörr W,Gruenberger M,Schofield P

更新日期：2004-01-01 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：: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：:The aim of this work is to calculate the absorbed dose to matter due to neutrons in the 5-150 MeV energy range. Materials involved in the calculations are Al2O3, CaSO4 and CaS, which may be used as dosemeters and have already been studied for their luminescent properties. The absorbed dose is assumed to be mainly due ...

journal_title：Radiation protection dosimetry

authors： Wrobel F,Benabdesselam M,Iacconi P,Lapraz D

更新日期：2004-01-01 00:00:00

abstract：:The aim of the study is to make a comparison of daily 238U excretion in urine among 115 active uranium miners and its modeled values obtained from inhalation intake of long-lived alpha emitters as measured by personal dosemeters and assessed by biokinetic models for different absorption parameters settings for inhaled...

journal_title：Radiation protection dosimetry

authors： Kotík L,Becková V,Malátová I,Tomasek L

更新日期：2017-12-01 00:00:00

abstract：:A range of techniques has been developed in conventional radiography for the chest, because of technical difficulties in imaging the wide variation of tissue densities. These techniques can differ significantly in tube potential selection, for scatter reduction and in application of manual or automatic exposure contro...

journal_title：Radiation protection dosimetry

authors： Doyle P,Martin CJ,Gentle D

更新日期：2005-01-01 00:00:00

abstract：:The present paper shows methods to suppress radon emanation from artificial porous materials such as phosphorous fertiliser or diatomaceous earth with a small amount of radium. The basic concept of suppression is making the radon emanation mechanism 'null', which comes from the fact that recoil is the main mechanism o...

journal_title：Radiation protection dosimetry

authors： Sasaki T,Gunji Y,Okuda T

更新日期：2007-01-01 00:00:00

abstract：:The purpose of the research is to develop an integrated technique for determining the effective dose (E) of external and internal exposure by different sources of ionizing radiation. The proposing technique for determining the total effective dose is based on three methods of calculation. The first one is multiplying ...

journal_title：Radiation protection dosimetry

authors： Kudryashev VA,Kim DS

更新日期：2019-12-31 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：:Hydrogen-filled proportional counters perform well as neutron spectrometers in the energy region from a few tens of keV up to ∼1.5 MeV. Unfortunately, gamma rays also generate signals in these detectors. It is possible in principle to distinguish the two types of event via the rise time of their respective signal puls...

journal_title：Radiation protection dosimetry

authors： Hawkes NP,Roberts NJ

更新日期：2014-10-01 00:00:00

abstract：:With the introduction of continuous-energy heavy charged particle transport in MCNP5, the need for tracking charged particles in a magnetic field becomes increasingly important. Two methods for including magnetic field effects on charged particles are included in the proton transport version of the code. The first tec...

journal_title：Radiation protection dosimetry

authors： Bul JS,Hughes HG,Walstrom PL,Zumbro JD,Mokhov NV

更新日期：2005-01-01 00:00:00

abstract：:Gamma spectrometry of well water was done to measure the activity concentrations of gamma-emitters 226Ra and 228Ra from 238U and 232Th series, respectively, and 40K in their waters. Measurements were done using high-purity (HPGe) co-axial detectors (Canberra, GC 2018-7500 ) coupled to Canberra Multichannel Analyser sy...

journal_title：Radiation protection dosimetry

authors： Ajayi OS,Owolabi TP

更新日期：2008-01-01 00:00:00

abstract：:The article summarizes the most recent results from the cohorts of uranium miners, particularly the risks at low exposures and the risk models with modifying effects of exposure rate, age and time since exposure, which are used for the calculation of lifetime risks (LRs). The excess relative risks per unit exposure (E...

journal_title：Radiation protection dosimetry

authors： Tomasek L

更新日期：2020-11-27 00:00:00

abstract：:Monte Carlo simulations were performed to evaluate treatment doses with wide spread used radionuclides 133Xe, 99mTc and 81mKr. These different radionuclides are used in perfusion or ventilation examinations in nuclear medicine and as indicators for cardiovascular and pulmonary diseases. The objective of this work was ...

journal_title：Radiation protection dosimetry

authors： Jovanovic Z,Krstic D,Nikezic D,Ros JMG,Ferrari P

更新日期：2018-03-01 00:00:00