Patient dose in neonatal units.

abstract：:One encouraging way, at present, to put the investigation of ionisation-yield formation in sub-cellular structures or, at least, in nanometric volumes of liquid water on an experimental basis is the use of highly sophisticated counters filled with gases at low operating pressure to simulate target volumes a few nm in ...

journal_title：Radiation protection dosimetry

authors： Grosswendt B

更新日期：2002-01-01 00:00:00

abstract：:Habit surveys were carried out around four licensed nuclear sites to identify people who collect foodstuffs from the wild (so-called 'free foods'). In total, around 800 collectors were readily identified, most of whom collected more than one free food. The data indicated that estimates of higher than average doses cou...

journal_title：Radiation protection dosimetry

authors： Green N,Wilkins BT,Hammond DJ,Davidson MF,Richmond S,Brooker S

更新日期：2001-01-01 00:00:00

abstract：:In this work, indoor radon radioactivity concentration levels have been measured in dwellings of Turkey within the frame of the National Radon Monitoring Programme. The (222)Rn concentrations were measured with time-integrating passive nuclear etched track detectors in 7293 dwellings in 153 residential units of 81 pro...

journal_title：Radiation protection dosimetry

authors： Celebi N,Ataksor B,Taskın H,Bingoldag NA

更新日期：2015-12-01 00:00:00

abstract：:Data on the daily urinary excretion of thorium (Th) was obtained from 15 non-exposed adult German subjects. A radiochemical neutron activation analysis method was developed and standardised especially for this purpose. The daily urinary excretion of 232Th was found to be in the range 1.9-14.9 microBq d(-1) with a mean...

journal_title：Radiation protection dosimetry

authors： Höllriegl V,Li WB,Oeh U,Röhmuss M,Roth P

更新日期：2005-01-01 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：: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

authors： Harrison J,Moreno B,Van Hoey O,Mihailescu LC,Vanhavere F,Million M,Fomenko V,Akselrod M

更新日期：2018-08-01 00:00:00

abstract：:To assess occupational exposure to electromagnetic fields, 11 microwave (MW), 4 short-wave diathermy and 15 magneto therapy devices were analysed in eight physiotherapy departments. Measurements taken at consoles and environmental mapping showed values above European Directive 2004/40/EC and ACGIH exposure limits at a...

journal_title：Radiation protection dosimetry

authors： Maccà I,Scapellato ML,Carrieri M,Pasqua di Bisceglie A,Saia B,Bartolucci GB

更新日期：2008-01-01 00:00:00

abstract：:One of the topics which forms part of CONRAD project addresses the problems related to the dosimetry of complex-mixed radiation fields at workplaces. This topic was included in work package (WP) 6. WP 6 was established to co-ordinate research activities in two areas:the development of new techniques and the improvemen...

journal_title：Radiation protection dosimetry

authors： Spurny F,Silari M

更新日期：2008-01-01 00:00:00

abstract：:Planning and preparation in advance for radiological emergencies can help to minimise potential public health and environmental threats if and when an actual emergency occurs. During the planning process, emergency response organisations think through how they would respond to each type of incident and the resources t...

journal_title：Radiation protection dosimetry

authors： Yusof MA,Ali HM

更新日期：2011-07-01 00:00:00

abstract：:Dose response effects of diodes due to the high atomic number of silicon relative to water are investigated. While quality chances in the primary component of a megavoltage beam with depth are minimal. Compton scattered photons are shown to have a substantial effect on the quality leading to their enhanced absorption ...

journal_title：Radiation protection dosimetry

authors： Yin Z,Hugtenburg RP,Beddoe AH

更新日期：2002-01-01 00:00:00

abstract：:The Workshop on Emergency Preparedness for Vulnerable Population Groups was held on 2 and 3 March 2009 in Ottawa, ON, Canada. The purpose of the workshop was to enhance communications within the emergency community response network and to identify the needs and gaps of emergency preparedness against chemical, biologic...

journal_title：Radiation protection dosimetry

authors： Chen J,Wilkinson D,Richardson RB,Waruszynski B

更新日期：2009-06-01 00:00:00

abstract：:The effect of an automatic wedge filter on photon and photoneutron spectra of a medical linac was evaluated using the Monte Carlo method. The head of an Elekta SL75/25 was simulated using the MCNPX Monte Carlo code. The photon and photoneutron spectra for open and wedged beams were calculated at the isocentre with a s...

journal_title：Radiation protection dosimetry

authors： Ghavami SM,Mesbahi A,Mohammadi E

更新日期：2010-02-01 00:00:00

abstract：:Thorium is used in many different industrial technologies and is widely found in nature. Internal contamination with thorium is considered as highly hazardous because of its radiological and chemical toxicities, which depend on the chemical form in which thorium appears. The assessment of the thorium body burden is th...

journal_title：Radiation protection dosimetry

authors： Genicot JL,Bruggeman M

更新日期：2001-01-01 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 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：:The concentration and distribution of natural radionuclides in marble around Igbeti marble mines, Nigeria, were measured to evaluate the environmental radioactivity and health effects which the marble samples may posses. The concentration of radionuclides was determined using gamma-ray spectrometry with NaI (Tl) detec...

journal_title：Radiation protection dosimetry

authors： Ademola AK,Hammed OS,Adejumobi CA

更新日期：2008-01-01 00:00:00

abstract：:This study aims to provide more insight in attenuation characteristics and corresponding lead (Pb) equivalences of a broad range of commercially available lead composite and nonlead protective garments. Thirty garments of five manufacturers (listed as 0.25-0.35-0.50 mm Pb equivalent) were tested. Transmission values w...

journal_title：Radiation protection dosimetry

authors： Peters SMB,Zweers D,de Lange F,Mourik JEM

更新日期：2017-08-01 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

authors： Campi F,Caresana M,Ferrarini M,Garlati L,Palermo M,Rusconi R

更新日期：2004-01-01 00:00:00

abstract：:In this study, the thermoluminescence properties of natural calcite samples were examined in detail. The glow curve of the sample irradiated with beta radiation shows two main peaks, P1 (at 115 °C) and P4 (at 254 °C). The additive dose, variable heating rate, computer glow curve deconvolution, peak shape and three poi...

journal_title：Radiation protection dosimetry

authors： Yildirim RG,Kafadar VE,Yazici AN,Gün E

更新日期：2012-09-01 00:00:00

abstract：:To assess the frequency of examination, image quality (IQ) and establishment of local diagnostic reference levels (LDRLs) in paediatric radiographic examinations. The X-ray device performance, film reject rate and IQ grading were assessed at Radiology Department of a referral and teaching children's hospital in Kenya....

journal_title：Radiation protection dosimetry

authors： Wambani JS,Korir GK,Korir IK,Kilaha S

更新日期：2013-05-01 00:00:00

abstract：:A newly developed thermoluminescence dosemeter system is presented that is suitable for application in fields where personal monitoring of a large number of users is required. The system presented here is intended to be used as the upcoming main dosemeter for whole body dosimetry at the dosimetry service of the MPA NR...

journal_title：Radiation protection dosimetry

authors： Walbersloh J,Busch F

更新日期：2016-09-01 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

abstract：:This paper describes the findings of the radiation situation analysis on-site near Sysoeva and Razbojnik Bays. The results of radiation monitoring performed by radiological laboratory of DalRAO and studies performed by the experts from the Burnasyan Federal Medical Biophysical Centre have been used in the course of an...

journal_title：Radiation protection dosimetry

authors： Shandala NK,Kiselev SM,Lucyanec AI,Titov AV,Seregin VA,Isaev DV,Akhromeev SV

更新日期：2011-07-01 00:00:00

abstract：:Design principles for sub-slab depressurisation systems recently used in the Czech Republic for remediating existing buildings are described. Results of an efficiency analysis performed on the basis of data from >60 single-family houses are presented. It was found out that the efficiency varies between 70 and 98 %, wh...

journal_title：Radiation protection dosimetry

authors： Jiránek M

更新日期：2014-11-01 00:00:00

abstract：:This study presents the seasonal variations of indoor radon levels in dwellings located in the Ramallah province and East Jerusalem suburbs, Palestine. The measurements were performed during the summer and winter of the year 2006/2007 using CR-39 solid-state-nuclear-track detectors. The total number of investigated bu...

journal_title：Radiation protection dosimetry

authors： Leghrouz AA,Abu-Samreh MM,Shehadeh AK

更新日期：2012-01-01 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

authors： Hu P,Kong Y,Chen B,Liu Q,Zhuo W,Liu H

更新日期：2017-04-20 00:00:00

abstract：:Over the past few years, the Institute for Radiation Protection and Nuclear Safety (IRSN) has been studying a personal electronic neutron dosemeter and an ambient electronic neutron dosemeter based on experimental microdosimetric principles using low pressure proportional counters. The results obtained in 2000 and in ...

journal_title：Radiation protection dosimetry

authors： Ménard S,Chau Q,Lahaye T

更新日期：2002-01-01 00:00:00

abstract：:Recently, NASA established a consortium involving the University of Tennessee (lead institution), the University of Houston, Roanoke College and various government and national laboratories, to accelerate the development of a standard set of radiation transport computer codes for NASA human exploration applications. T...

journal_title：Radiation protection dosimetry

authors： Townsend LW

更新日期：2005-01-01 00:00:00

abstract：:A wire patch cell (WPC) operating at the uplink frequency band of GSM 1800 MHz has been designed for in vitro experiments with the aim of investigating the possible biological effects of electromagnetic radiation associated with cellular phones. The 1800 MHz WPC design is a direct descendant of the original 900 MHz WP...

journal_title：Radiation protection dosimetry

authors： Ardoino L,Lopresto V,Mancini S,Pinto R,Lovisolo GA

更新日期：2004-01-01 00:00:00

abstract：:Between 1952 and 1957, the UK exploded a total of 12 nuclear devices in Australia, and also conducted about 600 'minor trials' that did not involve a nuclear explosion. Over 16 000 Australian servicemen and civilians were involved in the UK tests in Australia. This paper reports the estimation of doses that the Austra...

journal_title：Radiation protection dosimetry

authors： Crouch P,Robotham FR,Williams G,Wise K

更新日期：2009-09-01 00:00:00