Trends and Distribution Analysis of Occupational Exposure From Medical Practices in China (2010-2016).

abstract：:An analysis and evaluation of 241Am in the whole body of a donor to the U.S. Transuranium Registry (USTR) is presented in five parts. The USTR donor's pertinent medical history, autopsy findings and antemortem evaluations of intake and systemic burden are described in Parts I and II. The donor was a 49-yr-old male Cau...

journal_title：Health physics

authors：

更新日期：1985-10-01 00:00:00

abstract：:This paper describes the various activities involved with opening a sealed legacy "Seventeen-inch" concrete vault and the health physics challenges and solutions employed. As part of a legacy waste stream that was removed from the former Hazardous Waste Management Facility at Brookhaven National Laboratory, the "Seven...

journal_title：Health physics

authors： Sullivan PT,Pizzulli M

更新日期：2005-05-01 00:00:00

abstract：:This paper presents the WNA's worldwide nuclear industry overview on the anticipated growth of the front-end nuclear fuel cycle from uranium mining to conversion and enrichment, and on the related key health, safety, and environmental (HSE) issues and challenges. It also puts an emphasis on uranium mining in new produ...

journal_title：Health physics

authors： Saint-Pierre S,Kidd S

更新日期：2011-01-01 00:00:00

abstract：:Radio frequency currents in the human body, induced by high-frequency and medium-frequency high-power broadcast antennas, were studied theoretically and experimentally. An analytical formula was derived to calculate the foot currents in a grounded semispheroidal model of the human body. The model agrees within 30% wit...

journal_title：Health physics

authors： Jokela K,Puranen L,Gandhi OP

更新日期：1994-03-01 00:00:00

abstract：:Findings of the Life Span Study (LSS) cohort of atomic-bomb survivors are a primary source for quantitative risk estimates that underlie radiation protection. Because of the size and length of follow-up, the LSS provides considerable information on both the nature of the dose response and on how radiation-associated e...

journal_title：Health physics

authors： Preston DL,Pierce DA,Shimizu Y,Ron E,Mabuchi K

更新日期：2003-07-01 00:00:00

abstract：:The dicentric chromosome assay (DCA) has been regarded as the gold standard of radiation biodosimetry. The assay, however, requires a 2-d peripheral blood lymphocyte culture before starting metaphase chromosome analyses to estimate biological doses. Other biological assays also have drawbacks with respect to the time ...

journal_title：Health physics

authors： Suto Y,Gotoh T,Noda T,Akiyama M,Owaki M,Darroudi F,Hirai M

更新日期：2015-03-01 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：:Medical health physics is the profession dedicated to the protection of healthcare providers, members of the public, and patients from unwarranted radiation exposure. Medical health physicists must be knowledgeable in the principles of health physics and in the applications of radiation in medicine. Advances in medica...

journal_title：Health physics

authors： Vetter RJ

更新日期：2004-05-01 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：:An evaluation of available personnel monitoring data and radium body burden records of dial painters handling an annual average of 1.5 Ci of radium indicates that they received an average of about 2 rem/person whole body exposure, 3 rem to the lungs from radon inhalation and 0.2 rad to the bone from radium body burden...

journal_title：Health physics

authors： Simpson RE,Shuman FG,Moghissi AA,Blackburn JA,Bailey ED

更新日期：1983-05-01 00:00:00

abstract：:This study was carried out to assess the possible radiological hazard resulting from the use of zircon in glaze applied to tiles used in buildings. The 226Ra content of various stains and glazing compounds was measured using gamma spectroscopy and the 222Rn exhalation rates for these materials were measured using adso...

journal_title：Health physics

authors： O'Brien RS,Aral H,Peggie JR

更新日期：1998-12-01 00:00:00

abstract：:Annual internal radiation doses resulting from both acute and chronic intakes of all important dose-contributing radionuclides occurring in fallout from nuclear weapons testing at Bikini and Enewetak from 1946 through 1958 have been estimated for the residents living on all atolls and separate reef islands of the Mars...

journal_title：Health physics

authors： Simon SL,Bouville A,Melo D,Beck HL,Weinstock RM

更新日期：2010-08-01 00:00:00

abstract：:The electret passive environmental 222Rn monitor (E-PERM) is an extension of electret dosimeters used for measurement of x and gamma radiation. An E-PERM consists of a small cup or canister, having an electret at the bottom, and a filtered inlet at the top. The 222Rn gas entering through the filter and the decay produ...

journal_title：Health physics

authors： Kotrappa P,Dempsey JC,Hickey JR,Stieff LR

更新日期：1988-01-01 00:00:00

abstract：:Indoor Rn concentrations and Rn in adjacent karst terrains were studied at four houses with crawlspaces in Huntsville, AL. In warm summertime weather, Rn-rich air may vent through limestone solution cavities exposed as holes at the surface of the properties. A probable interrelated-finding is that the indoor levels of...

journal_title：Health physics

authors： Wilson DL,Gammage RB,Dudney CS,Saultz RJ

更新日期：1991-02-01 00:00:00

abstract：:Assessing risk from manmade and naturally occurring radionuclides in the environment has long been of primary interest in radiation protection. Early investigations and decisions relied on direct measurements of radiation in environmental media; however, these techniques were inadequate for determining exposure to hum...

journal_title：Health physics

authors： Till JE

更新日期：1988-08-01 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：:Reported here are results of a 1982 national survey in France to establish the collective effective dose equivalent associated with the main types of radiological examinations practiced annually in this country (except nuclear medicine, C.T. scans, dental radiology and mass chest screening). This report describes the ...

journal_title：Health physics

authors： Maccia C,Benedittini M,Lefaure C,Fagnani F

更新日期：1988-04-01 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：:DOE facilities are required to conduct environmental surveillance to verify that facility operations are operated within the approved risk envelope and have not caused undue risk to the public and the environment. Given a reduced budget, a strategy for analyzing environmental surveillance data was developed to set pri...

journal_title：Health physics

authors： Shyr LJ,Herrera H,Haaker R

更新日期：1997-11-01 00:00:00

abstract：:Studies of laboratory animal retinal exposure to green monochromatic laser radiation show an increasing stability of tissue with increasing pulse duration up to 10(-1) s. This mechanism of biological response of the eye to light damage is fundamental to living systems. It does not manifest itself in animals under deep...

journal_title：Health physics

authors： Zheltov G,Glazkov V,Podol'tzef A,Linnik L,Privalov A

更新日期：1989-05-01 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：: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：:Following a radiation emergency, evacuated, sheltered or other members of the public would require monitoring for external and/or internal contamination and, if indicated, decontamination. In addition, the potentially-impacted population would be identified for biodosimetry/bioassay or needed medical treatment (chelat...

journal_title：Health physics

authors： Miller CW,Ansari A,Martin C,Chang A,Buzzell J,Whitcomb RC Jr

更新日期：2011-08-01 00:00:00

abstract：:The contributions of tritiated water (3HHO) and dietary tritiated amino acids to the steady-state specific activities of tissue water tritium and organically bound tritium in mice were essentially independent and additive. Following exposure (56 d), organically bound tritium clearance was resolved into two distinct co...

journal_title：Health physics

authors： Rodgers DW

更新日期：1992-09-01 00:00:00

abstract：:Sometimes the results of measurements in radioactivity are reported as less than MDA. Over the years there have been articles informing the reader that it is incorrect to express the results of measurements as less than MDA. A very brief review of past comments on expressing the results of measurements precedes a disc...

journal_title：Health physics

authors： Potter WE

更新日期：2001-02-01 00:00:00

abstract：:Beagle dogs were given subcutaneous implants of plutonium in their forepaws to mimic hand wounds received by workers accidentally contaminated with plutonium. Ten dogs received 9.46 +/- 0.43 mu Ci of plutonium oxide, and eight dogs received 1.25 +/- 0.60 mu Ci of plutonium nitrate. Surviving dogs were sacrificed at 8 ...

journal_title：Health physics

authors： Dagle GE,Bristline RW,Lebel JL,Watters RL

更新日期：1984-07-01 00:00:00

abstract：:Samples of bone containing cellular and fatty bone marrow were removed at autopsy from the body of a woman who, following an automobile accident, had been injected with approximately 25 mL of the radiographic contrast medium Thorotrast. The woman survived for 36 y after the accident and died at age 72 y following bone...

journal_title：Health physics

authors： Priest ND,Humphreys JA,Kathren RL,Mays CW

更新日期：1992-07-01 00:00:00

abstract：:Storage of radon-producing material in two silos and two waste pits is one of the major environmental and occupational issues at a former uranium production facility, now a Superfund site. In addition, up to 100 metric tons of thorium is stored on the northeast side of the site. Concentrations of radium up to 17,600 B...

journal_title：Health physics

authors： Merrill EA,Akbar-Khanzadeh F

更新日期：1998-05-01 00:00:00

abstract：:One of the main factors that affect the uncertainty in calculating the gamma-radiation absorbed dose rate inside a room is the variation in the degree of secular equilibrium of the considered radioactive series. A component of this factor, considered in this paper, is the release of radon (Rn) from building materials ...

journal_title：Health physics

authors： Orabi M

更新日期：2017-03-01 00:00:00

abstract：:The Human Monitoring Laboratory has replaced its lung counting system with four large area (85 mm x 30 mm) HPGe detectors, electronics, and software. The system has been calibrated with the same lung set and phantom that was used to calibrate the Human Monitoring Laboratory's previous lung counting system and the Came...

journal_title：Health physics

authors： Kramer GH,Hauck BM

更新日期：2005-10-01 00:00:00