Theoretical study of the relation between radon and its long-lived progeny in a room.

abstract：:The concentrations of various trace elements and radionuclides have been measured in marine protein concentrates prepared from surface feeding fishes. As with concentrates prepared from benthic fishes, the 210Pb-210Po pair are the most significant radionuclides present. Concentrations of stable Pb, Co and Ag in certai...

journal_title：Health physics

authors： Beasley TM,Jokela TA,Eagle RJ

更新日期：1971-12-01 00:00:00

abstract：:A large-scale radiological incident would result in an immediate critical need to assess the radiation doses received by thousands of individuals to allow for prompt triage and appropriate medical treatment. Measuring absorbed doses of ionizing radiation will require a system architecture or a system of platforms that...

journal_title：Health physics

authors： Grace MB,Moyer BR,Prasher J,Cliffer KD,Ramakrishnan N,Kaminski J,Coleman CN,Manning RG,Maidment BW,Hatchett R

更新日期：2010-02-01 00:00:00

abstract：:In order to estimate the uncertainty of the radiation risk associated with the photon energy in epidemiological studies, photon-fluence-weighted LET values were quantified for photon radiation fields with the target organs and irradiation conditions taken into consideration. The photon fluences giving a unit absorbed ...

journal_title：Health physics

authors： Sasaki M

更新日期：2017-08-01 00:00:00

abstract：:A case of plutonium deposition in man within the range of 190 Bq by inhalation from about 12 yr ago is reported. An estimate of systemic burden was made based on analyses of urine and faeces and the models of Langham, Beach/Dolphin, and Durbin while the individual was alive. This estimate was compared with autopsy fin...

journal_title：Health physics

authors： Ohlenschlaeger L,Schieferdecker H,Schmidt-Martin W

更新日期：1984-04-01 00:00:00

abstract：:If a large radioactive cloud is produced, sampling may require that an airplane traverse the cloud. A method to predict the absorbed dose to the aircrew from penetrating the radioactive cloud is needed. Dose rates throughout spherically symmetric Gaussian clouds of various sizes, and the absorbed doses from traversing...

journal_title：Health physics

authors： Thompson JM,Poston JW Sr

更新日期：1999-06-01 00:00:00

abstract：:Coyote fecal samples were collected near a radioactive waste leaching pond and a solid radioactive waste disposal facility and analyzed for radioactivity. Elevated concentrations of 137Cs, 90Sr and 238Pu in the samples from the liquid radioactive waste leaching area were attributed to coyotes ingesting contaminated po...

journal_title：Health physics

authors： Arthur WJ 3rd,Markham OD

更新日期：1982-10-01 00:00:00

abstract：:Acute radiation syndrome represents the clinical response of radiation-sensitive key tissues (i.e., hematopoietic, gastrointestinal and neurovascular) following exposure to high doses of ionizing radiation. In this context, the hematopoietic syndrome remains the first therapeutic challenge. Today, identifying new drug...

journal_title：Health physics

authors： Drouet M,Hérodin F

更新日期：2014-06-01 00:00:00

abstract：:The purpose of this study was to determine the effect of contrast material and retrospective ECG-gating on radiation dose in an adult cardiac dual-energy computed tomography (DECT). Sixty-two patients underwent CT cardiac examination with a Somatom Definition Flash DECT using tube voltages of 100 kV without filter and...

journal_title：Health physics

authors： Paul J,Jacobi V,Bazrafshan B,Farshid P,Vogl T

更新日期：2013-08-01 00:00:00

abstract：:In June 2006, the Radiation Studies Branch of the Centers for Disease Control and Prevention held a workshop to explore rapid methods of facilitating radiological triage of large numbers of potentially contaminated individuals following detonation of a radiological dispersal device. Two options were discussed. The fir...

journal_title：Health physics

authors： Bolch WE,Hurtado JL,Lee C,Manger R,Burgett E,Hertel N,Dickerson W

更新日期：2012-03-01 00:00:00

abstract：:More than 150 data sets giving time-dependent concentrations of 131I and 137Cs in feed and milk of cows after the Chernobyl accident are evaluated using a minimal compartmental modeling approach. Transfer of cesium via the grass-cow-milk pathway is adequately described by a three-compartmental model. No unique model r...

journal_title：Health physics

authors： Kirchner G

更新日期：1994-06-01 00:00:00

abstract：:Data on nuclear medicine thyroid examinations performed in Manitoba (population 1 million) from 1981-1985 were collected, with more detailed demographic data obtained on 1,100 consecutive patients between June 1987 and January 1988. An average of 2,081 patients were examined per year, 81% female and 19% male, represen...

journal_title：Health physics

authors： Huda W,Gordon K,Greenberg ID

更新日期：1990-09-01 00:00:00

abstract：:This work summarizes the measurements and associated environmental dosimetry of reactor-released 137Cs and 134Cs and weapons-produced 137Cs in samples of water, shoreline sediment and fish collected from 1971 to 1980 in the Hudson River Estuary. Trends observed in annual mean concentrations and the resultant dose impl...

journal_title：Health physics

authors： Linsalata P,Hickman D,Cohen N

更新日期：1986-09-01 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：:This study was done to provide data useful for predicting the deposition, retention and radiation dose patterns for humans who might be exposed to an aerosol containing 106RuO4 and respirable particles. Ruthenium-106 tetroxide was introduced into air containing inert particles. The inert particles were monodisperse. 0...

journal_title：Health physics

authors： Snipes MB,Kanapilly GM

更新日期：1983-04-01 00:00:00

abstract：:Some preliminary considerations from the management of post-accident situations connected to large scale and high land contamination are presented. The return to normal, or at least acceptable living conditions, as soon as reasonably achievable, and the prevention of the possible emergence of a post-accident crisis is...

journal_title：Health physics

authors： Lochard J,Prêtre S

更新日期：1995-01-01 00:00:00

abstract：:Decisions on whether to start a therapeutic intervention for management of the Acute Radiation Syndrome (ARS) should be made early after exposure, and it should be based on readily available clinical signs and laboratory parameters. Here, the authors use the minipig to assess if early prediction of the later developin...

journal_title：Health physics

authors： Moroni M,Port M,Gulani J,Chappell M,Abend M

更新日期：2016-08-01 00:00:00

abstract：:Spreadsheet macro programs for calculations of exact hazard and probability of having contracted cancer were used to study the implications of the lung cancer model of Moolgavkar et al. Excess lifetime risk ELR and loss of life expectancy LLE were calculated from the annual values of hazard and probability, using publ...

journal_title：Health physics

authors： Castrén O

更新日期：1999-04-01 00:00:00

abstract：:In situ and laboratory gamma spectroscopy were used to characterize natural background levels of radiation in the soil at eight sites around the Yucca Mountain Range. The purpose of this practical field analysis was to determine if published empirical in situ calibration factors would yield accurate quantitative speci...

journal_title：Health physics

authors： Benke RR,Kearfott KJ

更新日期：1997-08-01 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 materials cycle for (137)Cs, a low-level radioactive material of interest from a security perspective (as a possible source for "dirty bombs") as well as for its extensive industrial and medical uses, has been characterized for the United States for the year 2000. The focus is on products utilizing the isotope rat...

journal_title：Health physics

authors： Okumura T,Graedel TE

更新日期：2006-06-01 00:00:00

abstract：:The former Apollo facility converted enriched uranium hexafluoride into uranium oxide for shipment to nuclear fuel fabrication plants from 1957 to 1983. This paper describes quantification of the source term from the Apollo facility in terms of quantities of uranium released, particle size, and solubility characterist...

journal_title：Health physics

authors： Caffrey EA,Voillequé PG,Rood AS,Grogan HA,Mohler HJ,Meyer KR,Till JE

更新日期：2020-12-11 00:00:00

abstract：:ABSTRACT A significant portion of the cost for D&D is related to low-level waste disposal, decontamination, and final radiological survey. For that reason, a careful cost-benefit analysis must be performed weighing the cost of decontaminating and radiologically surveying the building media for release against the cost...

journal_title：Health physics

authors： Barroso J,Roberts S

更新日期：2003-02-01 00:00:00

abstract：:A dosimetry system for computed tomography (CT) examinations, named WAZA-ARI, is being developed to accurately assess radiation doses to patients in Japan. For dose calculations in WAZA-ARI, organ doses were numerically analyzed using average adult Japanese male (JM) and female (JF) phantoms with the Particle and Heav...

journal_title：Health physics

authors： Takahashi F,Sato K,Endo A,Ono K,Ban N,Hasegawa T,Katsunuma Y,Yoshitake T,Kai M

更新日期：2015-08-01 00:00:00

abstract：:It seems obvious that if a significant increase in occupancy occurs in the immediate vicinity of any radiation room a reexamination of the adequacy of the shielding should be performed. We discuss a facility where a new building was constructed in close proximity to an existing medical linear accelerator and no consid...

journal_title：Health physics

authors： Barish RJ

更新日期：2012-02-01 00:00:00

abstract：:Following the 1986 Chernobyl event, large amounts of radioactive materials were deposited in nearby areas. Concentrations of various radionuclides were measured in air and surface soil. To study the resuspension of radioactive particulate, three different exposure situations were developed on the basis of the collecte...

journal_title：Health physics

authors： Nair SK,Miller CW,Thiessen KM,Garger EK,Hoffman FO

更新日期：1997-01-01 00:00:00

abstract：:For efficiently measuring ultraviolet transmission through clothing materials for a large number of samples, an automated measuring system with a broad-band method has been built and calibrated against a spectroradiometer based instrument. The apparatus can be used to test 60 samples in 25 min. A selection of clothing...

journal_title：Health physics

authors： Zhang Z,Thomas BW,Wong CF,Fleming RA

更新日期：1997-02-01 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：:The development of medical countermeasures against the acute gastrointestinal subsyndrome of the acute radiation syndrome in humans requires well characterized and validated animal models. These models must adhere to the criteria of the U.S. Food and Drug Administration's Animal Rule and consider the natural history a...

journal_title：Health physics

authors： MacVittie TJ,Farese AM,Bennett A,Gelfond D,Shea-Donohue T,Tudor G,Booth C,McFarland E,Jackson W 3rd

更新日期：2012-10-01 00:00:00

abstract：:The purpose of this report is to compare the whole-body retention and tissue distribution in rats of 60Co administered by gavage as inorganic 60CoCl2 or in a form incorporated into freshwater fish. Orizias latipes were placed in vessels containing 21. of tap water with radioactive cobalt. Periodically thereafter the f...

journal_title：Health physics

authors： Inaba J,Nishimura Y,Kimura K,Ichikawa R

更新日期：1982-08-01 00:00:00

abstract：:The many reports and other authoritative documents developed and published by the National Council on Radiation Protection and Measurements (NCRP) have been of great service to the nation and the radiation protection community since its Congressional charter was signed into law 50 y ago. There will be a continuing nee...

journal_title：Health physics

authors： Bushberg JT

更新日期：2015-02-01 00:00:00