Abstract:
:The W values of protons in liquid water were calculated for energies from 0.1 keV to 10 MeV using the continuous slowing down approximation as well as three models for the calculation of the differential ionisation cross-sections of water for protons published in recent years. The W values determined by means of the three models differ only marginally from each other and lie between 25 and 26 eV at proton energies >5 MeV. This high-energy W value is approximately 3 eV lower than that in water vapour.
journal_name
Radiat Prot Dosimetryjournal_title
Radiation protection dosimetryauthors
Baek WY,Grosswendt Bdoi
10.1093/rpd/ncm019subject
Has Abstractpub_date
2007-01-01 00:00:00pages
93-6issue
1-4eissn
0144-8420issn
1742-3406pii
ncm019journal_volume
126pub_type
杂志文章abstract::Neutron therapy beams are obtained by accelerating protons or deuterons on Beryllium. These neutron therapy beams present comparable dosimetric characteristics as those for photon beams obtained with linear accelerators; for instance, the penetration of a p(65)+Be neutron beam is comparable with the penetration of an ...
journal_title:Radiation protection dosimetry
pub_type: 指南,杂志文章,实务指引,评审
doi:10.1093/rpd/nch221
更新日期:2004-01-01 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
pub_type: 杂志文章
doi:10.1093/rpd/ncq564
更新日期:2011-03-01 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
pub_type: 杂志文章
doi:10.1093/rpd/ncw071
更新日期:2016-10-01 00:00:00
abstract::Radionuclides that have entered the environment through nuclear weapon tests, nuclear accidents or other human activities represent an ecological hazard. Many decontamination techniques are technically and financially demanding and often not environmentally beneficial. A suitable alternative is bioremediation techniqu...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncz221
更新日期:2019-12-31 00:00:00
abstract::Instead of conventional Ge semiconductor detectors and NaI(Tl) scintillation spectrometers, an application of a CdZnTe semiconductor (CZT) whose crystal has the dimension of 1 cm cubic to the in situ environmental radioactivity measurement was attempted in deeply affected areas in Fukushima region. Results of depositi...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncv277
更新日期:2015-11-01 00:00:00
abstract::For accurate measurements of (220)Rn concentration with airflow-through scintillation cell method, a theoretical study was performed for discussing the influences of sampling flow rate, volumes of sampling tube and scintillation cell on the measurements. It is found that a high flow rate and a large inner volume of sc...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncq252
更新日期:2010-10-01 00:00:00
abstract::Cell storage in liquid nitrogen (LN) offers the most secure method of cell preservation even if cryopreserved cells are exposed to natural background of ionising radiation (IR). A lot of experiments have demonstrated that IR can induce damages in living cells, but only a little information regarding the response of cr...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncq541
更新日期:2011-02-01 00:00:00
abstract::Lead has recently been recognised as a source of environmental pollution, including the lead used for radiation shielding in radiotherapy. The bremsstrahlung radiation caused by the interaction between the electron beam and lead may reduce the accuracy of radiotherapy. To avoid the use of lead, a new material composed...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncp053
更新日期:2009-02-01 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
pub_type: 杂志文章
doi:10.1093/rpd/ncm006
更新日期:2007-01-01 00:00:00
abstract::STAC8 is a significant improvement upon its predecessor PHOTON and is a valuable analytical code for quick and conservative beamline shielding designs for synchrotron radiation (SR) facilities. In order to check the applicability, accuracy and limitations of STAC8, studies were conducted to compare the results of STAC...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/nci207
更新日期:2005-01-01 00:00:00
abstract::Lost wax casting is an industrial process which permits the transmutation into metal of models made in wax. The wax model is covered with a silicaceous shell of the required thickness and once this shell is built the set is heated and wax melted. Liquid metal is then cast into the shell replacing the wax. When the met...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/nci156
更新日期:2005-01-01 00:00:00
abstract::The purpose of this study was to assess the magnitude of radiation exposure during paediatric CT in Sudanese hospitals. Doses were determined from CT acquisition parameters using CT-Expo 2.1 dosimetry software. Doses were evaluated for three patient ages (0-1, 1-5 and 5-10 y) and two common procedures (head and abdome...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncu321
更新日期:2015-12-01 00:00:00
abstract::Fluorescent nuclear track detectors (FNTDs) as criticality dosimeters for both neutrons and gamma are further characterized in terms of angular dependence and quick dose assessment. The power spectrum integral depth profiles obtained from stacks of fluorescent images acquired within FNTDs exposed to a broad spectrum n...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncx236
更新日期:2018-08-01 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
pub_type: 杂志文章
doi:10.1093/rpd/ncz247
更新日期:2019-12-31 00:00:00
abstract::Anthropomorphic phantoms are used in nuclear medicine for imaging quality control, calibration of gamma spectrometry system for the study of internal contamination with radionuclides and for internal dosimetric studies. These are constructed of materials that have radiation attenuation coefficients similar to those of...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncu022
更新日期:2014-12-01 00:00:00
abstract::Since 1995, requirements on energy-efficient building construction were established in Russian Building Codes. In the course of time, utilisation of such technologies became prevailing, especially in multi-storey building construction. According to the results of radon survey in buildings constructed meeting new requi...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncv319
更新日期:2015-06-01 00:00:00
abstract::There have been few studies on the secondary cancer after radiation treatment in Chinese hospitals. This study has measured out-of-field absorbed organ doses from intensity-modulated radiation therapy (IMRT) radiotherapy for esophageal cancer in a Chinese hospital and evaluated the risks of secondary cancer. The dose ...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncx057
更新日期:2017-12-01 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
pub_type: 杂志文章
doi:10.1093/rpd/ncu221
更新日期:2014-11-01 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
pub_type: 杂志文章
doi:10.1093/rpd/ncz176
更新日期:2019-10-01 00:00:00
abstract::The NPL simulated reactor neutron field facility provides neutron spectra similar to those found in the environs of UK gas-cooled reactors. Neutrons are generated by irradiating a thick lithium-alloy target with monoenergetic protons between 2.5 and 3.5 MeV (depending on the desired spectrum), and then moderated by a ...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncm018
更新日期:2007-01-01 00:00:00
abstract::This paper proposes a method for evaluating the standard uncertainty in the measurements with passive personal dosemeters using a numerical method (Monte Carlo). The paper builds on a previous paper where a two-stage measurement model for passive dosemeters was proposed. This model follows the course of events during ...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncv493
更新日期:2016-09-01 00:00:00
abstract::The accreditation of the Competent Incorporation Measuring Body at Jülich includes incorporation monitoring by means of direct measurements of the body activity as well as by means of indirect determination of the body activity by radiochemical analysis of excreta samples. In both testing areas, it proved to be very u...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncq360
更新日期:2011-03-01 00:00:00
abstract::Fluorescent in situ hybridisation analysis of stable translocations was performed for 26 residents living along the Techa River (Russia), who were predominantly (95%) exposed to ingested strontium radioisotopes ((89)Sr and (90)Sr) resulting in exposure of their red bone marrow (RBM). Analysis was conducted at the Ural...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncu131
更新日期:2014-06-01 00:00:00
abstract::To study the shielding effect of radiologists' eye lens with lead glasses of different equivalent thicknesses and sizes in interventional radiology procedures. Using the human voxel phantom with a more accurate model of the eye and MCNPX software, eye lens doses of the radiologists who wearing different kinds of lead ...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncw098
更新日期:2017-04-20 00:00:00
abstract::Boron neutron capture therapy is known to be an effective radiation cancer therapy that requires neutron irradiation. A neutron field generated by an accelerator-based neutron source has various energy spectra, and it is necessary to evaluate the neutron spectrum in the treatment field. However, the method used to mea...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncx237
更新日期:2018-08-01 00:00:00
abstract::Site-specific transfer coefficient from feed to cow's milk, for (137)Cs in the villages around Narora, a nuclear power station site in India, determined over a period of 17 y, is presented in this paper. In the transport model for the prediction of the concentration of (137)Cs in milk, the transfer coefficient from fe...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/nct058
更新日期:2013-09-01 00:00:00
abstract::Data collection and its analysis in the field of nuclear safety is an important task in the sense that it powers the improvement of safety as well as reliability of the plant. Thus, occupational exposure data analysis is presented to measure the safety or reliability of radiation protection of a given facility. It als...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncm483
更新日期:2008-01-01 00:00:00
abstract::To evaluate the uncertainties for nuclear track detectors used in radon measurements, a full understanding is required of the physical phenomena involved and the behaviour of the instruments utilised in the measuring process. As it concerns the LR115 nuclear track detector, an overall evaluation of uncertainty was giv...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/nch361
更新日期:2004-01-01 00:00:00
abstract::The frequencies and effective doses for the most common X-ray diagnostic examinations in Ukraine were assessed in the frame of the European Commission (EC) Study on European Population Doses from Medical Exposure (Dose Datamed 2). The average effective doses for all radiographic procedures were estimated using the ODS...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncv121
更新日期:2015-07-01 00:00:00
abstract::The localisation of an unknown neutron source in various bulky homogeneous media was studied. For the planar case two (3)He detectors on the opposite faces of a box were used. It is shown that the location of a single small neutron emitting source in a large box can be found to a better than 7% by using two neutron de...
journal_title:Radiation protection dosimetry
pub_type: 杂志文章
doi:10.1093/rpd/ncm048
更新日期:2007-01-01 00:00:00