Dose rates for several organs in a human from contaminated soil and hot particles using the QAD computer code.

abstract：:The operational radiation protection issues associated with the Z-Machine accelerator located at Sandia National Laboratories are large: a variety of materials can be placed into the machine; these materials can be subjected to a variety of nuclear reactions, producing a variety of activation products. Without full un...

journal_title：Health physics

authors： Culp T

更新日期：2007-02-01 00:00:00

abstract：:Accidents or radiological attacks may lead to ingestion of Cs by large numbers of the public. This work models the efficacy of Prussian blue, the medical countermeasure for internal contamination with Cs, to prevent acute radiation syndrome as a function of the duration of treatment and the time that treatment starts ...

journal_title：Health physics

authors： Adams TG,Casagrande R

更新日期：2019-01-01 00:00:00

abstract：:Unlike detached or semi-detached houses, the main source of indoor radon in high-rise buildings is the building material. Radon released from the building material will be removed by ventilation, either forced or natural, so that its concentration, its progeny's concentration, and the equilibrium between the two will ...

journal_title：Health physics

authors： Leung JK,Tso MY,Ho CW

更新日期：1998-09-01 00:00:00

abstract：:The possibility of the occurrence of radiation accidents is increasing in the Asian region. However, training/education programs for medical professionals have not been established to improve the medical preparedness for radiation emergencies in the Asian region. As one of the activities for radiation emergency medica...

journal_title：Health physics

authors： Park KD,Jang M,Akashi M

更新日期：2010-06-01 00:00:00

abstract：:We present a theoretical study of the complex relation between radon and its long-lived progeny implanted in glass surfaces. The well known (extended) Jacobi room model, which is normally used to describe radon and its progeny in a room, was transformed into a two-parameter model revealing a linear correlation between...

journal_title：Health physics

authors： Cauwels P,Poffijn A,Mondelaers W,Lahorte P,Masschaele B,Meesen G,Van Deynse A

更新日期：2000-10-01 00:00:00

abstract：:Fallout 137Cs levels in soil were measured at 11 diverse sites throughout Montana. Concentrations in near-surface samples ranged from 20-200 mBq g-1 (0.51-5.41 pCi g-1). Most of the 137Cs was in the top 10 cm of soil. Deeper occurrences were attributed to disturbances by animals and to interstitial flow of small sedim...

journal_title：Health physics

authors： Arnalds O,Cutshall NH,Nielsen GA

更新日期：1989-12-01 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：: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：:The Nuclear Regulatory Commission's Regulatory Guide 8.39, "Release of Patients Administered Radioactive Materials," permits licensees to authorize the release of patients treated with 131I [(T 1/2)p = 8.04 d] if the total dose equivalent to another individual from the released individual is not likely to exceed 5 mil...

journal_title：Health physics

authors： DeSantis DM,Chabot GE

更新日期：2001-07-01 00:00:00

abstract：:Laser safety filter materials must be evaluated at various levels up to the maximum irradiances likely to be encountered, since the absorber may exhibit nonlinear properties. Extreme care is necessary around short-duration lasers due to extremely high peak irradiances in the beam. This is especially true for visible a...

journal_title：Health physics

authors： Lyon TL,Marshall WJ

更新日期：1986-07-01 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：:In 1992, the University of Texas Health Science Center at Houston (UTHSCH) Radiation Safety Program began assembling data on a monthly basis that described various program drivers and associated activities. At the end of calendar year 2002, a decade of data had been collected, so the information was summarized into a ...

journal_title：Health physics

authors： Emery RJ,Gutierrez JM

更新日期：2014-08-01 00:00:00

abstract：:Exposure to extremely low frequency electric and magnetic fields will induce electric fields and currents within the body, but these are almost always much lower than those that can stimulate peripheral nerve tissue. Guidance on exposure to such fields has been published by NRPB and ICNIRP, which is based on the avoid...

journal_title：Health physics

authors： Saunders RD,Jefferys JG

更新日期：2002-09-01 00:00:00

abstract：:Manipulations of lethally-irradiated animals, such as for administration of pharmaceuticals, blood sampling, or other laboratory procedures, have the potential to induce stress effects that may negatively affect morbidity and mortality. To investigate this in a murine model of the hematopoietic acute radiation syndrom...

journal_title：Health physics

authors： Plett PA,Sampson CH,Chua HL,Jackson W,Vemula S,Sellamuthu R,Fisher A,Feng H,Wu T,MacVittie TJ,Orschell CM

更新日期：2015-11-01 00:00:00

abstract：:The development of a spallation neutron source with a mercury target will lead to the production of rare radionuclides. The dose coefficients for many of these radionuclides have not yet been published. A collaboration of universities and national labs has taken on the task of calculating dose coefficients for the rar...

journal_title：Health physics

authors： Arndt A,Shanahan J,Gold C,Brey R,Gesell T,Patton P,Rudin M,Eckerman K,Rusetski V,Pagava S

更新日期：2006-01-01 00:00:00

abstract：:Results are presented from a statewide survey that measured annual 222Rn concentrations in over 2000 single-family, owner-occupied homes in New York state. The participants were selected by a random-digit-dialing telephone interview approach developed by Mitofsky-Waksberg which allows inferences to be made from the sa...

journal_title：Health physics

authors： Perritt RL,Hartwell TD,Sheldon LS,Cox BG,Clayton CA,Jones SM,Smith ML,Rizzuto JE

更新日期：1990-02-01 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：:It is fundamental that a given cancer case cannot be attributed with absolute certainty to a prior ionizing radiation exposure, whatever the level of exposure. It is possible to estimate the probability of a causal relationship based on data and models that have been inferred from group statistics. Two types of inform...

journal_title：Health physics

authors： Breitenstein BD

更新日期：1988-08-01 00:00:00

abstract：:Rare earth intensifying screen material (Gd2O2S:Tb) was added to the standard Al filtration of an oral panoramic x-ray unit, resulting in a beam capable of achieving reductions in patient dose without a loss of image quality. The added rare earth filtration technique resulted in patient dose reductions of 21-56%, depe...

journal_title：Health physics

authors： Tyndall DA,Washburn DB

更新日期：1987-01-01 00:00:00

abstract：:This review/commentary addresses recent thermal and electromagnetic modeling studies that use image-based anthropomorphic human models to establish the local absorption of radiofrequency energy and the resulting increase in temperature in the body. The frequency range of present interest is from 100 MHz through the tr...

journal_title：Health physics

authors： Foster KR,Ziskin MC,Balzano Q,Bit-Babik G

更新日期：2018-08-01 00:00:00

abstract：:Bovine thyroid glands from different countries in Europe and human thyroid glands from Lower Saxony (Federal Republic of Germany) show isotopic 129I/127I ratios of 2.1 X 10(-9) to 8.2 X 10(-8) for cattle and 2.1 X 10(-9) to 8 X 10(-8) in humans. These values give information about the concentration of fallout 129I in ...

journal_title：Health physics

authors： Handl J,Pfau A,Huth FW

更新日期：1990-05-01 00:00:00

abstract：:Field surveys were carried out at sixteen pulp and paper mills in the United States--seven kraft process, two sulfite process, and seven recycling process mills--for the presence of naturally occurring radioactive material (NORM) in precipitates and scales. NORM was detected at three of the kraft mills, one sulfite mi...

journal_title：Health physics

authors： Fisher RP,Easty DB

更新日期：2003-04-01 00:00:00

abstract：:The use of 226Ra-activated markings was specific for military equipment some decades ago and the extent of possible internal exposure of former military personnel due to ingestion of 226Ra is an issue of discussion. Whole- or partial-body counts are not sensitive enough to trace an overexposure due to a possible 226Ra...

journal_title：Health physics

authors： Schirmer A

更新日期：2010-10-01 00:00:00

abstract：:Cohort-based dose-response analyses can be biased if based on a comparison group that is not comparable to the exposed persons with respect to uncontrolled factors related to disease incidence or mortality. When data exist over a range of doses including the very low dose region, internal regression standardized analy...

journal_title：Health physics

authors： Cologne JB,Preston DL

更新日期：2001-05-01 00:00:00

abstract：:In November 2007, the Wisconsin Division of Public Health Hospital Disaster Preparedness Program State Expert Panel on Radiation Emergencies issued a report titled The Management of Patients in a Radiological Incident. Gundersen Lutheran Health System was selected to conduct a demonstration project to implement the re...

journal_title：Health physics

authors： Jafari ME

更新日期：2010-08-01 00:00:00

abstract：:A group of workers internally contaminated with Am have been followed for about 12 years. The source of contamination was AmO2 powder used for production of AmBe neutron sources and other applications. The production of some radionuclide sources included chemical treatment of the original material, which transformed t...

journal_title：Health physics

authors： Malátová I,Vrba T,Becková V,Pospísilová H

更新日期：2010-10-01 00:00:00

abstract：:Panasonic UD-801 thermoluminescent dosimeters ( TLDs ) containing two calcium sulfate phosphors were tested under Performance Specification 3.1 established by the American National Standard Institute ( ANSI75 ) and in the U.S. Nuclear Regulatory Commission's Regulatory Guide 4.13 ( NRC77 ). The specific qualifying tes...

journal_title：Health physics

authors： Toke LF,Carson BH,Baker GG,McBride MH,Plato PA,Miklos JA

更新日期：1984-05-01 00:00:00

abstract：:The performance characteristics of sliced lung sets were compared to lung sets with activity homogeneously distributed throughout the lung tissue substitute material. The activity estimate from planar sources differs from the estimate from homogeneous sources by a factor of 0.88 to 1.09 depending on the photon energy....

journal_title：Health physics

authors： Kramer GH,Hauck BM,Lee TY,Chang SY

更新日期：1999-05-01 00:00:00

abstract：:This paper describes an analytically based method for modeling the time-dependent radionuclide areal densities of contaminated soil surface layers when the soil experiences simultaneous leaching, surface erosion and chain radioactive decay. The model is used to predict time-dependent radionuclide areal densities in a ...

journal_title：Health physics

authors： Jarzemba MS,Manteufel RD

更新日期：1997-12-01 00:00:00

abstract：:Determining the consumption of milk contaminated with 131I, resulting from atmospheric nuclear weapons tests conducted at the Nevada Test Site, by the United States population during the 1950s constitutes one part of the methodology used by the National Cancer Institute to assess radiation exposures to Americans. In o...

journal_title：Health physics

authors： Dreicer M,Bouville A,Wachholz BW

更新日期：1990-11-01 00:00:00