Inhalation and intravenous studies of UF6/UO2F2 in dogs.

abstract：:Design and associated good practices are described for a modular glovebox connector to improve control of radioactive and chemically toxic materials. The connector consists of an anodized aluminum circular port with a mating spacer, gaskets, and retaining rings for joining two parallel ends of commercially available o...

journal_title：Health physics

authors： Hoover MD,Mewhinney CJ,Newton GJ

更新日期：1999-01-01 00:00:00

abstract：:The escaping radioactivity from Greek coal power plants (CPP) was studied. For the case studied the radioactivity is due to the uranium series. The major part (99%) escapes as very fine particles, while the rest is fly ash. The total escaping 226Ra activity is of the order of 40 Ci/yr. The particulate dispersion of fl...

journal_title：Health physics

authors： Papastefanou C,Charalambous S

更新日期：1984-02-01 00:00:00

abstract：:In Western Canada, there are many plants that process natural gas to remove impurities (CO2, H2S, H2O) and recover natural gas liquids (propane, butane, etc.). Trace quantities of 222Rn present in the inlet stream are concentrated in streams rich with propane. Potential hazards to plant operators include direct inhala...

journal_title：Health physics

authors： Drummond I,Boucher P,Bradford B,Evans H,McLean J,Reczek E,Thunem H

更新日期：1990-07-01 00:00:00

abstract：:The U.S. Department of Energy initiated the Radiation Exposure Review Project to provide a critical reexamination of radiation doses to people resulting from testing nuclear devices at the Nevada Test Site. One part of this effort focused on the dose resulting from the ingestion of contaminated food. The PATHWAY radio...

journal_title：Health physics

authors： Kirchner TB,Whicker FW,Anspaugh LR,Ng YC

更新日期：1996-10-01 00:00:00

abstract：:RESRAD-RECYCLE is a computer code designed by Argonne National Laboratory (ANL) to be used in making decisions about the disposition of radioactively contaminated materials and scrap metals. It implements a pathway analysis methodology to evaluate potential radiation exposures resulting from the recycling of contamina...

journal_title：Health physics

authors： Cheng JJ,Kassas B,Yu C,Amish J,LePoire D,Chen SY,Williams WA,Wallo A,Peterson H

更新日期：2004-11-01 00:00:00

abstract：:Radon-222 diffusion length has been measured for 28 Danish soils and sediments. Samples were placed in a diffusion column connected to a 222Rn reservoir and the transport of 222Rn through the column was measured. The diffusion length was found by comparing the measured data to time-dependent diffusion theory. Dry silt...

journal_title：Health physics

authors： Søgaard-Hansen J,Damkjaer A

更新日期：1987-11-01 00:00:00

abstract：:The Normalised Specific Activity (NSA), a quantity which relates the concentration of a contaminant per unit mass of vegetation to its daily rate of ground deposition, has been used as the basis for determining interception factors and retention half-lives for radioactive contaminants deposited on grain and leafy vege...

journal_title：Health physics

authors： Simmonds JR,Linsley GS

更新日期：1982-11-01 00:00:00

abstract：:To validate a model for radon transport in soil, measurements of diffusive radon transport under well-defined and controlled conditions have been made in a homogeneous column of dry sand with an air-filled volume on top. This volume simulates a crawl space. The measurements concern time-dependent diffusive transport w...

journal_title：Health physics

authors： van der Spoel WH,van der Graaf ER,de Meijer RJ

更新日期：1997-05-01 00:00:00

abstract：:To establish a strategy for a rapid screening survey of surface contamination among a large number of people after nuclear power plant (NPP) accidents, the authors analyzed the measured surface contamination of subjects. From 12 March through 25 March 2011, a screening survey was conducted in a hospital on 336 subject...

journal_title：Health physics

authors： Ohba T,Miyazaki M,Sato H,Hasegawa A,Sakuma M,Yusa T,Shishido F,Ohtsuru A

更新日期：2014-07-01 00:00:00

abstract：:After a nuclear attack it may be necessary for emergency workers, such as firemen, utility workers and medical personnel, to perform urgent tasks in areas highly contaminated by radioactive fallout. To assist the control of radiation exposure of these workers, it will be useful to provide means to forecast radiation e...

journal_title：Health physics

authors： Haaland CM

更新日期：1986-06-01 00:00:00

abstract：:Treatment of diseases with x rays began within months of Roentgen's discovery, and within four years x rays were being used successfully for the treatment of skin cancers. Deep-seated cancers began to be treated successfully in the 1920's with the advent of "deep" x-ray units and, especially, once supervoltage therapy...

journal_title：Health physics

authors： Orton CG

更新日期：1995-11-01 00:00:00

abstract：:Radiation exposure of the biota in the shoreline area of the Chernobyl Nuclear Power Plant Cooling Pond was assessed to evaluate radiological consequences from the decommissioning of the Cooling Pond. This paper addresses studies of radioactive contamination of the terrestrial faunal complex and radionuclide concentra...

journal_title：Health physics

authors： Oskolkov BY,Bondarkov MD,Gaschak SP,Maksimenko AM,Hinton TG,Coughlin D,Jannik GT,Farfán EB

更新日期：2011-10-01 00:00:00

abstract：:The (90)Sr and (137)Cs activities of soil, plant, and milk samples from the village of Dolon, located close to the Semipalatinsk Nuclear Test Site in Kazakhstan, were determined. The areal deposition at the nine sampling sites is in the range of <500 to 6,100 Bq m(-2) and 300 to 7,900 Bq m-2 for (90)Sr and (137)Cs, re...

journal_title：Health physics

authors： Gastberger M,Steinhäusler F,Gerzabek MH,Hubmer A,Lettner H

更新日期：2000-09-01 00:00:00

abstract：:A dose reconstruction was carried out on a case in which a worker was exposed to soft x rays using time motion studies, an ionization chamber for low energy photon measurements, and CdZnTe (CZT) spectrometry. The worker estimated his dose to be over 600 mSv. However, the doses to the skin and testes were evaluated to ...

journal_title：Health physics

authors： Suzuki T,Matsumoto M,Kim E,Yajima K,Akashi M,Fujimoto K

更新日期：2006-08-01 00:00:00

abstract：:Concentration factors (CFs) for 27 radionuclides in marine and freshwater fish were reviewed, as were factors that may influence the dose commitment to man resulting from the consumption of fish. These factors include environmental partitioning, ecological trophic level discrimination and specific tissue accumulation ...

journal_title：Health physics

authors： Poston TM,Klopfer DC

更新日期：1988-11-01 00:00:00

abstract：:Emergency responders from the Department of Energy are trained regularly to assess the environmental consequences of a radiological or nuclear incident. While drills and exercises are highly effective tools in rehearsing for an emergency, the accidents at the Fukushima Daiichi Nuclear Power Plants presented real-world...

journal_title：Health physics

authors： Musolino SV,Clark H,McCullough T,Pemberton W

更新日期：2012-05-01 00:00:00

abstract：:A low-background phoswich detector is used to detect small amounts of 147Pm--a pure beta-emitting nuclide--present in the liver of an occupational worker. The assessment was based on the measurement of bremsstrahlung radiation produced by the beta particles in the tissue. Computer programs based on Monte Carlo techniq...

journal_title：Health physics

authors： Bhati S

更新日期：1993-06-01 00:00:00

abstract：:As part of the UK Ministry of Agriculture Fisheries and Food Directorate of Fisheries Research (MAFF/DFR) post-Chernobyl monitoring program, a detailed study was carried out of the change over time in dissolved-phase 137Cs concentrations in a number of lakes in Cumbria, UK. These measurements have been combined with p...

journal_title：Health physics

authors： Smith JT,Leonard DR,Hilton J,Appleby PG

更新日期：1997-06-01 00:00:00

abstract：:The Human Monitoring Laboratory, which is the Canadian National Calibration Reference Centre for In-Vivo Measurements, has been conducting an annual intercomparison program for whole body counting facilities since 1989. Each year a number of phantoms are prepared for participants to measure the accuracy, precision, si...

journal_title：Health physics

authors： Kramer GH

更新日期：1995-10-01 00:00:00

abstract：:Data were obtained from the literature for gonad and body weights and for the Pu or Ce content of the gonads and body at death for several laboratory animal species, five human Pu injection cases, and 731 human adults exposed environmentally to Pu in fallout. Data for Pu concentration in gonads, liver, and bone sample...

journal_title：Health physics

authors： Thomas RG,Durbin PW,McInroy JF,Healy JW

更新日期：1989-01-01 00:00:00

abstract：:Twenty-six white male workers who did the original plutonium research and development work at Los Alamos have been examined periodically over the past 50 y to identify possible health effects from internal plutonium depositions. Their effective doses range from 0.1 to 7.2 Sv with a median value of 1.25 Sv. As of the e...

journal_title：Health physics

authors： Voelz GL,Lawrence JN,Johnson ER

更新日期：1997-10-01 00:00:00

abstract：:One goal of this research was to reproduce the photon specific absorbed fraction calculations of Cristy and Eckerman using their gastrointestinal (GI) tract model. A second goal was to calculate photon specific absorbed fraction values for their GI tract model using electron tracking techniques. A final goal was to ca...

journal_title：Health physics

authors： Poston JW Jr,Kodimer KA,Bolch WE,Poston JW Sr

更新日期：1996-09-01 00:00:00

abstract：:In 193 cases autopsied between 1945 and 1980, all persons who had been intravascularly injected with Thorotrast in life, the authors found 131 malignant hepatic tumors, 20 liver cirrhoses, 6 myeloid leukemias, 4 erythroleukemias, 5 aplastic anemias, 4 lung cancers, 1 mesothelioma and 1 osteosarcoma. The causes of deat...

journal_title：Health physics

authors： Mori T,Kato Y,Aoki N,Hatakeyama S

更新日期：1983-01-01 00:00:00

abstract：:Software has been developed to aid in the management of a radiation safety quality control program in diagnostic radiology. The core of the system is a data base of radiation safety activities. Software design goals were the prioritization, scheduling, and reporting of these activities. Computerization has helped orga...

journal_title：Health physics

authors： David G,Price SC

更新日期：1992-01-01 00:00:00

abstract：:Ionizing radiation exposure to the lens of the eye is a known cause of cataractogenesis. Historically, it was believed that the acute threshold dose for cataract formation was 5 Sv, and annual dose limits to the lens were set at 150 mSv. Recently, however, the International Commission on Radiological Protection has re...

journal_title：Health physics

authors： Thome C,Chambers DB,Hooker AM,Thompson JW,Boreham DR

更新日期：2018-03-01 00:00:00

abstract：:Reconstructed meteorological data are often used in some form of long-term wind trajectory models for estimating the historical impacts of atmospheric emissions. Meteorological data for the straight-line Gaussian plume model are put into a joint frequency distribution, a three-dimensional array describing atmospheric ...

journal_title：Health physics

authors： Hamby DM

更新日期：2002-01-01 00:00:00

abstract：:High-order decay equations are often difficult to study without significant care taken with variables and assumptions. As parent and progeny activities evolve over time, the effects of uncertainties and approximations confound the quality and interpretation of results. Of particular concern is the situation when decay...

journal_title：Health physics

authors： Wilson CA 4th,Hendrickson KR,Hamideh AM,Matthews KL 2nd,Wang WH

更新日期：2018-12-01 00:00:00

abstract：:Power-frequency (50/60 Hz) magnetic fields produced by electric blankets are estimated from data on blanket design using a three-dimensional computer model. Maximum, minimum, and volume-average fields within human forms are presented as a function of blanket type and a number of geometric factors including body size, ...

journal_title：Health physics

authors： Florig HK,Hoburg JF

更新日期：1990-04-01 00:00:00

abstract：:Radon-222 concentrations in the air of 12 tourist caves in Slovenia, Yugoslavia were measured. In almost all the caves concentrations are higher than in the outdoor air, with the highest concentration in the Tabor Cave at about 6000 Bq m-3. From the 222Rn concentrations obtained, the activity of 222Rn inhaled by a vis...

journal_title：Health physics

authors： Kobal I,Smodis B,Burger J,Skofljanec M

更新日期：1987-04-01 00:00:00

abstract：:Small plastic chambers containing alpha track detectors are often used for measuring indoor concentrations of 222Rn. This paper reports an experimental assessment of sources of error in measurements made with alpha track detector-containing chambers. The results demonstrate the feasibility of a nondestructive test for...

journal_title：Health physics

authors： Dudney CS,Wilson DL,Bertini H,Gammage RB,Otten JA

更新日期：1995-10-01 00:00:00