Occupational exposure to dial painters and assemblers of radioluminous timepieces.

abstract：:The analysis of uranium in water samples can be very helpful for providing guidelines to the general public regarding necessary remedial measures. A fission-track technique has been applied for the estimation of the uranium concentration in drinking water collected from natural springs of Muzaffarabad and hilly areas ...

journal_title：Health physics

authors： Akram M,Khattak NU,Qureshi AA,Iqbal A,Tufail M,Qureshi IE

更新日期：2004-03-01 00:00:00

abstract：:The present study was undertaken to assess the contribution of phosphate feed supplements to the radiation exposure of the population in Israel. The phosphates usually contain appreciable quantities of U and its daughters and the actual exposure of human consumers depends, to a very large extent, on the degree of equi...

journal_title：Health physics

authors： Izak-Biran T,Schlesinger T,Weingarten R,Even O,Shamai Y,Israeli M

更新日期：1989-03-01 00:00:00

abstract：:Thorium lung burdens have been measured in workers in the dry separation plants operated by the mineral sands industry in Western Australia. The data have been compared with historical employment records of the worker's exposure to thorium-bearing airborne dusts in order to assess the reliability of personal air sampl...

journal_title：Health physics

authors： Terry KW,Hewson GS

更新日期：1995-08-01 00:00:00

abstract：:The application of occupational limits (ELs) in the outdoor laser environment requires an understanding of the radiometric methods required to evaluate field exposures with respect to the ELs. The limiting aperture required to adequately specify the EL must always be kept in mind. Since all exposure limits are defined...

journal_title：Health physics

authors： Sliney DH

更新日期：1989-05-01 00:00:00

abstract：:Assumptions supporting a chronic aqueous release methodology are inappropriate for estimating dose from accidental discharges. A method of modeling acute or accidental releases is being developed for predicting maximum individual dose. Standardization of consumption rates and usage factors for acute aqueous releases i...

journal_title：Health physics

authors： Hamby DM

更新日期：1992-06-01 00:00:00

abstract：:The deployment of a radiological dispersal device (RDD) is likely to result in relatively low radiation exposure of the targeted population, insufficient to cause a severe radiation detriment. Nevertheless, due to atmospheric dispersion of the radioactive material, an urban area equaling several city blocks could be a...

journal_title：Health physics

authors： Steinhausler F

更新日期：2005-11-01 00:00:00

abstract：:Conversion factors for the dose rate 1 m above the ground level from the measured activities for different gamma-ray emitters in soil are calculated using the Monte Carlo method. The calculations are based on the GEANT system developed at CERN, Geneva. Results for the uniform and surface distribution of the emitters i...

journal_title：Health physics

authors： Likar A,Vidmar T,Pucelj B

更新日期：1998-08-01 00:00:00

abstract：:The PATHWAY model results were used, in conjunction with a hypothetical major nuclear attack on the U.S., to arrive at the ratio of internal to external dose for humans from early (48 h) fallout. Considered were the four nuclides (137Cs, 89Sr, 90Sr, 131I) that account for most of the reconstructed whole-body committed...

journal_title：Health physics

authors： Peterson KR,Shapiro CS

更新日期：1992-01-01 00:00:00

abstract：:Ecological and evolutionary considerations suggest that radiation hormesis is made up of two underlying components. The first (a) is background radiation hormesis based upon the background exposure to which all organisms are subjected throughout evolutionary time. The second and much larger component (b) is stress-der...

journal_title：Health physics

authors： Parsons PA

更新日期：2002-04-01 00:00:00

abstract：:Quantification of the biologically relevant dose is required for the establishment of cause-and-effect between radiation detriment or burden and important biological outcomes. Most epidemiological studies of unanticipated radiation exposure fail to establish cause and effect because of an inability to construct a vali...

journal_title：Health physics

authors： Pass B,Baranov AE,Kleshchenko ED,Aldrich JE,Scallion PL,Gale RP

更新日期：1997-03-01 00:00:00

abstract：:A rugged resin concentration method followed by gamma counting was developed for measuring 226Ra and 228Ra in drinking water. Using typical distribution system pressure, 310 kPa (45 psig), radium in a 20-L sample was concentrated 100-fold onto 200 mL of ion-exchange resin beads that were then sealed in a glass jar for...

journal_title：Health physics

authors： Clifford DA,Higgins EA

更新日期：1992-05-01 00:00:00

abstract：:The Trinity nuclear test, conducted in 1945, exposed residents of New Mexico to varying degrees of radioactive fallout. Companion papers in this issue have detailed the results of a dose reconstruction that has estimated tissue-specific radiation absorbed doses to residents of New Mexico from internal and external exp...

journal_title：Health physics

authors： Cahoon EK,Zhang R,Simon SL,Bouville A,Pfeiffer RM

更新日期：2020-10-01 00:00:00

abstract：:A general method for solving first-order compartmental models (recycling and nonrecycling) with any number of radioactive progeny is described and a heuristic proof of the method is provided. The method can be applied to any system where the progeny are assumed to behave isokinetically with the parent, as is the case ...

journal_title：Health physics

authors： Birchall A,James AC

更新日期：1994-08-01 00:00:00

abstract：:Several soil samples of Bangalore region were analyzed for the concentrations of Ra, Th, and K by gamma ray spectrometry. The concentration of Ra varied in the range 7.7-111.6 Bq kg with a mean value of 26.2 Bq kg, Th in the range 16.7-98.7 Bq kg with a mean of 53.1 Bq kg, and that of K in the range 151.8-1424.2 Bq kg...

journal_title：Health physics

authors： Prasad NG,Nagaiah N,Ashok GV,Karunakara N

更新日期：2008-03-01 00:00:00

abstract：:The distribution of 239Pu in a human whole body is reported. The body contained 246 Bq of 239Pu of which 130 Bq (52.8%) was found in the lungs and associated lymph nodes. Of the remaining 116 Bq (47.2%) that constituted the systemic deposition, 51.2 Bq (44%) were in the skeleton, 48.6 Bq (42%) in the liver, and the re...

journal_title：Health physics

authors： McInroy JF,Kathren RL,Voelz GL,Swint MJ

更新日期：1991-03-01 00:00:00

abstract：:One of the steps that has been taken to expedite the radiation dose reconstruction process is the development of "site profiles." These reports, one of which has been prepared for each of the major U.S. Department of Energy nuclear sites, include detailed assessments of the dose rates at a given site due to on-site ex...

journal_title：Health physics

authors： Rollins EM

更新日期：2008-07-01 00:00:00

abstract：:The longterm behavior of 137Cs in milk of a Bavarian farm (farm A) deposited as a consequence of the Chernobyl accident has been followed from April 1986 until August 1994. On the basis of activity measurements in milk and feed, transfer coefficients for the different seasons have been estimated in order to see any ch...

journal_title：Health physics

authors： Voigt G,Rauch F,Paretzke HG

更新日期：1996-09-01 00:00:00

abstract：:The purpose of this paper is to present data gathered in the evaluation of the BD-100R neutron bubble dosimeter done at the University of Maryland and the Naval Research Lab. The performance of 12 dosimeters has been followed over 15 exposure-recharge cycles under a wide range of exposure conditions. Included in this ...

journal_title：Health physics

authors： Millett M,Munno F,Ebert D,Nelson M

更新日期：1991-03-01 00:00:00

abstract：:A simple passive sampler for 222Rn with up to 24-hr integration times can be constructed by using a diffusion barrier to regulate the effective sampling rate of an ambient temperature activated carbon bed. The diffusion element serves to make sampler performance relatively independent of the properties of the type of ...

journal_title：Health physics

authors： Prichard HM,Mariën K

更新日期：1985-06-01 00:00:00

abstract：:Environmental releases of tritium oxide at a number of Department of Energy nuclear weapons facilities contribute to a significant portion of environmental dose. Several conversion factors are utilized in the estimation of human impact from these releases, e.g., dispersion coefficients, consumption rates, uptake facto...

journal_title：Health physics

authors： Hamby DM

更新日期：1999-09-01 00:00:00

abstract：:The standard mathematical treatment of the buildup and decay of airborne radionuclides on a filter paper uses the solutions of the so-called Bateman equations adapted to the sampling process. These equations can be interpreted as differential equations for the expectation of an underlying stochastic process, which des...

journal_title：Health physics

authors： Groer PG,Lo Y

更新日期：1996-12-01 00:00:00

abstract：:For decades, radiation protection philosophy and practice have been the domain of professionals trained in the physical and medical sciences. Radiation protection policy was formulated and implemented largely without consultation with or participation by other professional disciplines or the general public. Although, ...

journal_title：Health physics

authors： Florig HK

更新日期：2001-04-01 00:00:00

abstract：:Positron emission tomography (PET) and single-photon emission computed tomography (SPECT) are well- established and indispensable imaging modalities in modern medicine. State-of-the-art computed tomography (CT) scanners have now been integrated into multi-modality PET-CT and SPECT-CT devices, and these devices, partic...

journal_title：Health physics

authors： Zanzonico P,Dauer L,St Germain J

更新日期：2008-11-01 00:00:00

abstract：:In this statement, the International Commission on Non-Ionizing Radiation Protection (ICNIRP) presents its principles for protection against adverse health effects from exposure to non-ionizing radiation. These are based upon the principles for protection against ionizing radiation of the International Commission for ...

journal_title：Health physics

authors：

更新日期：2020-05-01 00:00:00

abstract：:The yield of chromosome aberrations (dicentric and ring chromosomes) was determined for five patients who had been extensively exposed to diagnostic x rays. Remarkably high aberration yields were obtained for each of them leading to correspondingly high equivalent whole body doses ("biological dosimetry"). The contrib...

journal_title：Health physics

authors： Weber J,Scheid W,Traut H

更新日期：1995-02-01 00:00:00

abstract：:A method is presented to determine the uncertainties in the reported dose due to incorporated plutonium for the Mayak Worker Cohort. The methodology includes errors generated by both detection methods and modeling methods. To accomplish the task, the method includes classical statistics, Monte Carlo, perturbation, and...

journal_title：Health physics

authors： Krahenbuhl MP,Bess JD,Wilde JL,Vostrotin VV,Suslova KG,Khokhryakov VF,Slaughter DM,Miller SC

更新日期：2005-07-01 00:00:00

abstract：:In vivo L-band electron paramagnetic resonance tooth dosimetry is a newly developed and very promising method for retrospective biodosimetry in individuals who may have been exposed to significant levels of ionizing radiation. The present study aimed to determine the relationships among enamel thickness, enamel area, ...

journal_title：Health physics

authors： Umakoshi M,Yamaguchi I,Hirata H,Kunugita N,Williams BB,Swartz HM,Miyake M

更新日期：2017-10-01 00:00:00

abstract：:The novel technique for measuring the water content in lungs based on the slowing down of fast neutrons has been improved making possible its clinical use on patients. This goal has been reached by performing computer simulations that closely mimic the experimental setup and by acquiring a new set of measurements obta...

journal_title：Health physics

authors： Campi F,Dionigi F

更新日期：2001-12-01 00:00:00

abstract：:On 20 September 1999, a urine sample submitted by a University of Rochester radiation worker was noted to have a count rate of about 759,500 disintegrations per minute (dpm) per milliliter as analyzed on the Radiation Safety Unit (RSU) Packard liquid sintillation counter. The sample was recounted that day with variabl...

journal_title：Health physics

authors： Karam PA

更新日期：2000-05-01 00:00:00

abstract：:A severe radiological accident involving an industrial radiography source containing Ir occurred in China. A worker was seriously exposed, which resulted in acute radiation syndrome. Initial whole-body dose was estimated at 1.51 Gy (95% Confidence Interval: 1.40-1.61 Gy) using biological dosimetry. This work performed...

journal_title：Health physics

authors： Lu W,Wu Z,Qiu R,Li C,Yang B,Gao S,Ren L,Li J

更新日期：2017-11-01 00:00:00