DOSIMETRIC ASPECTS OF OPTIMIZATION OF PROTECTION IN IRAN INDUSTRIAL RADIOGRAPHY PRACTICE.

abstract：:This paper describes the objectives and reviews the progress of EULEP Working Party 5, convened under the auspices of the European Union's Fifth Framework Programme, to 'cluster' two EU-supported contracts, Biokinetics and Dosimetry of Internal Contamination (BIODOS (EU Contract FIS5-1999-00214)) and Radionuclide Biok...

journal_title：Radiation protection dosimetry

authors： Taylor DM,Stradling GN,Ménétrier F

更新日期：2003-01-01 00:00:00

abstract：:In order to estimate typical radio frequency exposures from indoor used wireless communication technologies applied in homes and offices, WLAN, Bluetooth and Digital Enhanced Cordless Telecommunications systems, as well as baby surveillance devices and wireless headphones for indoor usage, have been investigated by me...

journal_title：Radiation protection dosimetry

authors： Schmid G,Lager D,Preiner P,Uberbacher R,Cecil S

更新日期：2007-01-01 00:00:00

abstract：:This paper presents the results obtained for thoron concentration in 50 single-family dwellings in normal occupancy conditions (open house conditions), measured by a passive electret system (type E-PERM, SSTB configuration) in a 2001-2002 monitoring survey in the Metropolitan Zone of Mexico City. The results show the ...

journal_title：Radiation protection dosimetry

authors： Martinez T,Navarrete M,Gonzalez P,Ramírez A

更新日期：2004-01-01 00:00:00

abstract：:Some areas of the world, called high background radiation areas (HBRAs), have anomalously high levels of natural background radiation and the population residing in the areas is exposed to higher levels of radiation doses than other parts of the world where the natural radioactivity contents are normal. In the present...

journal_title：Radiation protection dosimetry

authors： Pereira CE,Vaidyan VK,Chougaonkar MP,Mayya YS,Sahoo BK,Jojo PJ

更新日期：2012-07-01 00:00:00

abstract：:The ICRP Publication 66 Human Respiratory Tract Model (HRTM) has been applied to calculate dose coefficients and bioassay functions using default values of parameters relating to the material and the subjects. The ICRP Task Group on Internal Dosimetry (INDOS) has developed a guidance document on application of the HRT...

journal_title：Radiation protection dosimetry

authors： Bailey MR,Ansoborlo E,Guilmette RA,Paquet F

更新日期：2003-01-01 00:00:00

abstract：:Continuous observation of radioactivity ratio of (214)Bi to (214)Pb as tracers in rainwater was carried out with 15-min cyclic measurement at Nagoya, Japan, from August 2011 to July 2012 to characterise wet deposition. The ratio ranged from 0.55 to 3.82. Based on the observation and a simplified time evolution model o...

journal_title：Radiation protection dosimetry

authors： Moriizumi J,Kondo D,Kojima Y,Liu H,Hirao S,Yamazawa H

更新日期：2015-11-01 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：:Protons are the dominant particles both in galactic cosmic rays and in solar particle events and, furthermore, proton irradiation becomes increasingly used in tumour treatment. It is believed that complex DNA damage is the determining factor for the consequent cellular response to radiation. DNA plasmid pBR322 was irr...

journal_title：Radiation protection dosimetry

authors： Pachnerová Brabcová K,Štěpán V,Karamitros M,Karabín M,Dostálek P,Incerti S,Davídková M,Sihver L

更新日期：2015-09-01 00:00:00

abstract：:An international programme of work is currently under way to develop methods for calculating doses to infants from ingestion of radionuclides present in mothers' milk. This paper considers the special case of the alkaline earth elements. Models have been developed for 45Ca, 90Sr and 226Ra and the sensitivity of result...

journal_title：Radiation protection dosimetry

authors： Smith TJ,Phipps AW,Fell TP,Harrison JD

更新日期：2003-01-01 00:00:00

abstract：:The radiation dose to workers at nuclear power stations (NPSs) in Japan was drastically reduced between the late-1970s and the early-1990s by continuous dose-reduction programmes. The total collective dose of radiation workers in FY 2008 was 84.04 person Sv, while the average collective dose was 1.5 person Sv per reac...

journal_title：Radiation protection dosimetry

authors： Suzuki A,Hori S

更新日期：2011-07-01 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：: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：:A secondary standard for ambient dose equivalent, H*(10), is necessary for the dissemination of the unit Sievert (Sv), but there is no such standard commercially available currently. Furthermore, the measurement of H*(10) instead of calculating H*(10) from air kerma and conversion coefficients is needed for unknown ra...

journal_title：Radiation protection dosimetry

authors： Bairlein K,Behnke B,Hupe O

更新日期：2020-06-24 00:00:00

abstract：:A new method was developed to determine HT deposition velocity and to investigate how environmental factors affect the deposition processes including the diffusion into soil and the biochemical conversion by microorganisms to HTO in soil. This method, using a chamber and two tritium samplers, enables determination of ...

journal_title：Radiation protection dosimetry

authors： Koarashi J,Amano H,Andoh M,Iida T,Koma T

更新日期：2001-01-01 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：:The use of solid tissue substitutes is a well-accepted and common practice in dosimetric studies and in the production of counting standards for radiological protection. However, only a few solid tissue substitutes simulating a particular body tissue with respect to a set of physical characteristics are commercially a...

journal_title：Radiation protection dosimetry

authors： Kinase S,Kimura M,Noguchi H,Yokoyama S

更新日期：2005-01-01 00:00:00

abstract：:Theoretical models to calculate the indoor gamma and radon doses are reviewed, refined and applied. The model for gamma doses is built based on the relative effects of the different room elements that control the amount of radiation. The relative doses are calculated by the MCNP5 simulation software. The gamma sources...

journal_title：Radiation protection dosimetry

authors： Orabi M

更新日期：2019-12-31 00:00:00

abstract：:This paper presents the values of radon and thoron progeny concentrations for different seasons in the dwellings of Tehri Garhwal, India. The measurements have been carried out using LR-115 solid-state nuclear track detector-based passive time-integrated direct thoron progeny sensor/direct radon progeny sensor techniq...

journal_title：Radiation protection dosimetry

authors： Prasad M,Rawat M,Dangwal A,Yadav M,Gusain GS,Mishra R,Ramola RC

更新日期：2015-11-01 00:00:00

abstract：:In IR procedures, in order to evaluate the effective dose, the importance of the double dosemeter has been recognised, one worn above and one under the apron. Over the last few decades several algorithms have been developed to combine the readings of the dosemeters, however currently there is no international consensu...

journal_title：Radiation protection dosimetry

authors： Negri P,Campi F,De Crescenzo S,Garlati L,Tambussi O

更新日期：2019-12-31 00:00:00

abstract：:In Austria a comprehensive study on radiation exposure in waterworks was conducted. The aim of this study was to evaluate the risks for the affected employees. On the basis of geographical, geological and hydrological aspects, 21 waterworks were selected. A total of 85 passive short-term measurements and measurements ...

journal_title：Radiation protection dosimetry

authors： Michael S,Andreas B,Claudia S,Fabian R,Ringer W,Josef MF

更新日期：2014-07-01 00:00:00

abstract：:The use of a custom-made cylindrical graphite proportional counter (Cy-GPC) along with a cylindrical tissue equivalent proportional counter (TEPC) for neutron-gamma mixed-field dosimetry has been studied in the following steps: first, the consistency of the gamma dose measurement between the Cy-TEPC and the Cy-GPC was...

journal_title：Radiation protection dosimetry

authors： Forouzan F,Waker AJ

更新日期：2018-08-01 00:00:00

abstract：:The observation of anomalies in the radon concentration in soil gas and ground water before earthquakes initiated systematic investigations on earthquake precursor phenomena. The question what is needed for a meaningful earthquake prediction as well as what types of precursory effects can be expected is shortly discus...

journal_title：Radiation protection dosimetry

authors： Friedmann H

更新日期：2012-04-01 00:00:00

abstract：:Differences and similarities between LiF-based LiF:Mg,Ti and LiF:Mg,Cu,P are discussed, with respect to their dosimetric properties--sensitivity, non-linearity of dose response and heavy charged particle efficiency, as related to the concentration and the individual role of the Mg, Ti, Cu and P dopants. To study furth...

journal_title：Radiation protection dosimetry

authors： Bilski P

更新日期：2002-01-01 00:00:00

abstract：:For the purpose of radiation protection, the reference neutron field for calibration of neutron monitors was constructed using radioactive neutron sources-bare-(252)Cf, D(2)O-moderated (252)Cf and (241)Am-Be(alpha,n)-at Korea Research Institute of Standards and Science (KRISS). The well-specified neutron source with i...

journal_title：Radiation protection dosimetry

authors： Park H,Kim J,Choi KO

更新日期：2007-01-01 00:00:00

abstract：:A thermoluminescence (TL) study relevant to radiation dosimetry has been carried out for X-ray irradiated biotite mineral under un-annealed and different annealed (473, 573, 673 and 773 K) conditions. Some significant variations in dosimetric characteristics have been observed with annealing treatment. Due to generati...

journal_title：Radiation protection dosimetry

authors： Kalita JM,Wary G

更新日期：2015-04-01 00:00:00

abstract：:During the operation of high-energy accelerators, the interaction of radiation with matter can lead to the activation of the machine components and of the surrounding infrastructures. As a result of maintenance operation and during decommissioning of the installation, considerable amounts of radioactive waste are evac...

journal_title：Radiation protection dosimetry

authors： Ulrici L,Magistris M

更新日期：2009-11-01 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：:A model of radiation-induced bystander effects is presented that explicitly takes into account the transient nature of bystander signal emission post-irradiation, signal lifetime and the non-linear cellular response to the signals. Data are analysed on mutagenesis induced in human lymphoblasts in medium transfer exper...

journal_title：Radiation protection dosimetry

authors： Kundrát P,Friedland W

更新日期：2015-09-01 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：:Luminescence and optical features of chemical vapour deposition (CVD) diamond have been studied in view of the potential application of this material in ionising radiation dosimetry field. For this purpose, thermally stimulated luminescence (TSL) and optically stimulated luminescence (OSL) techniques have been used. A...

journal_title：Radiation protection dosimetry

authors： Benabdesselam M,Iacconi P,Trinkler L,Berzina B,Butler JE

更新日期：2006-01-01 00:00:00