A study on radon absorption efficiencies of edible oils produced in India.

abstract：:Reduction of dose to exposed personnel during positron emission tomography (PET) installation usually relies on physical shielding. While the major contribution of shielding is unquestioned, it is usually the only method applied. Other methods of reduction, such as working procedure optimization, the position of the f...

journal_title：Health physics

authors： Perez ME,Verde JM,Montes C,Ramos JA,García S,Hernandez J

更新日期：2014-11-01 00:00:00

abstract：INTRODUCTION:Following critiques of multiple personal contamination events from entries into the Oak Ridge National Laboratory's Spallation Neutron Source Transfer Bay, it was considered that the most likely causes for contamination were personal protective clothing doffing errors or moisture (sweat) allowing contamina...

journal_title：Health physics

authors： Schwahn SO,Foster ND

更新日期：2020-08-01 00:00:00

abstract：:In situ recovery or in situ leach (ISR/ISL) uranium facilities, also referred to in the past as "uranium solution mining" have operated since the late 1960s in the US and in recent years have accounted for over 70% of US production and, internationally, approximately half of worldwide uranium supplies. Note that throu...

journal_title：Health physics

authors： Brown SH

更新日期：2019-07-01 00:00:00

abstract：:This paper provides a review and reanalysis of data relating to gastrointestinal (GI) uptake of uranium in humans. Estimates of GI uptake of uranium in adult humans have been derived from results of three controlled experimental studies involving short-term oral intake of an elevated quantity of uranium in fluids, fro...

journal_title：Health physics

authors： Leggett RW,Harrison JD

更新日期：1995-04-01 00:00:00

abstract：:The National Ignition Facility (NIF) at the Lawrence Livermore National Laboratory (LLNL) in California is currently in operation with the goal to demonstrate fusion energy gain for the first time in the laboratory-also referred to as "ignition." Based on these demonstration experiments, the Laser Inertial Fusion Ener...

journal_title：Health physics

authors： Reyes S,Dunne M,Kramer K,Anklam T,Havstad M,Mazuecos AL,Miles R,Martinez-Frias J,Deri B

更新日期：2013-06-01 00:00:00

abstract：:Nuclear weapons testing was conducted in the atmosphere at numerous sites worldwide between 1946 and 1980, which resulted in exposures to local populations as a consequence of fallout of radioactive debris. The nuclear tests were conducted by five nations (United States, Soviet Union, United Kingdom, France, and China...

journal_title：Health physics

authors： Simon SL,Bouville A

更新日期：2002-05-01 00:00:00

abstract：:The importance of the ingestion dose pathways in collective effective dose due to severe reactor accidents is evaluated by studying two different radioactive accidental releases. A short description of the ingestion dose pathway model is also given. Typically, exposure via contaminated food without countermeasures cau...

journal_title：Health physics

authors： Partanen JP,Savolainen I

更新日期：1986-02-01 00:00:00

abstract：:Signal processing within a radiation detector affects detection efficiency. Currently, organizations such as private industry, the U.S. Navy, Army, and Air Force are coupling some detector systems with data collection devices to survey large land areas for radioactive contamination. As detector technology has advanced...

journal_title：Health physics

authors： Marianno CM

更新日期：2015-07-01 00:00:00

abstract：:The sorption of tin ions on human teeth from water and other drinks has been studied by the radioactive tracer technique using the isotope 113Sn (T(1/2) = 115.1 d) as a tracer. The tooth holds a minimum amount of tin from coffee and a maximum amount is held from water and from tea with sugar. The same technique was al...

journal_title：Health physics

authors： Helal AA,Alian GA,Madbouly HA

更新日期：2002-01-01 00:00:00

abstract：:Study of the sorption of 99mTc radiopharmaceutical compounds by soils has assessed the fate of these compounds in the event of a surface spill and examined the potential of these compounds as hydrologic tracers. Sorption from deionized water, filtered Missouri River water, and artificial seawater by five surface soils...

journal_title：Health physics

authors： Jurisson S,Gawenis J,Landa ER

更新日期：2004-10-01 00:00:00

abstract：:The thermoluminescent (TL) response to ultraviolet irradiation of CaF2:Tm phosphor is affected by pre-irradiation high-temperature treatment. The experimental results indicate that the maximum intrinsic TL output is about 2000 times higher for 1000 degrees C treatment than when not treated. TL stability for this phosp...

journal_title：Health physics

authors： Li SH,Hsu PC,Weng PS

更新日期：1991-12-01 00:00:00

abstract：:Development and implementation of non-ionizing radiation safety programs differ from ionizing radiation safety programs primarily due to the absence of prescriptive state and federal regulations. Industry consensus standards and research publications provide the basis for non-ionizing radiation safety program developm...

journal_title：Health physics

authors： Lewandowski MA,Hinz MW,Entwistle FB

更新日期：2004-08-01 00:00:00

abstract：:With possibilities for radiation terrorism and intensified concerns about nuclear accidents since the recent Fukushima Daiichi event, the potential exposure of large numbers of individuals to radiation that could lead to acute clinical effects has become a major concern. For the medical community to cope with such an ...

journal_title：Health physics

authors： Swartz HM,Flood AB,Williams BB,Dong R,Swarts SG,He X,Grinberg O,Sidabras J,Demidenko E,Gui J,Gladstone DJ,Jarvis LA,Kmiec MM,Kobayashi K,Lesniewski PN,Marsh SD,Matthews TP,Nicolalde RJ,Pennington PM,Raynolds T,Sal

更新日期：2012-09-01 00:00:00

abstract：:Scientific data are reviewed to evaluate the risks of radioiodine uptake and to compare those risks with the benefits and risks of low milligram doses of stable potassium iodide (KI). The limit of 25 rad to the thyroid due to radioiodine uptake is adopted as the "break-even" point above which 130-mg KI doses should be...

journal_title：Health physics

authors： Meck RA,Chen MS,Kenny PJ

更新日期：1985-02-01 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 movement through the environment and the toxicity to plants of 99Tc have been studied. However, information is scanty on 99Tc toxicity to mammals even though this is the decisive criterion for assessing the consequences of releases of Tc. A critical tissue could be the thyroid because of its preferential accumulat...

journal_title：Health physics

authors： Gerber GB,Hegela M,Vankerkom J,Kirchmann R,Maisin JR,Lambiet-Collier M

更新日期：1989-08-01 00:00:00

abstract：:The dose reconstruction of populations potentially affected by the accident at the Fukushima Daiichi nuclear power plant in March 2011 is of great importance. However, it has been difficult to assess internal thyroid doses to Fukushima residents (mainly from their intake of I) due to the lack of direct measurements. F...

journal_title：Health physics

authors： Kim E,Yajima K,Hashimoto S,Tani K,Igarashi Y,Iimoto T,Ishigure N,Tatsuzaki H,Akashi M,Kurihara O

更新日期：2020-01-01 00:00:00

abstract：:The new dose limits recently adopted in Canada (and elsewhere in the world) have made it more difficult to detect some radionuclides by in vivo counting at the average dose limit of 20 mSv. This is particularly true for natural uranium. Two techniques have been developed by the Human Monitoring Laboratory to reduce th...

journal_title：Health physics

authors： Kramer GH,Hauck BM,Allen SA,Dantas BM,Dantas AL,Azeredo AM

更新日期：2003-08-01 00:00:00

abstract：:The aim of this paper is to evaluate the risks and doses for the internal contamination of the radiochemistry staff in a high workload medical cyclotron facility. The doses from internal contamination derive from the inhalation of radioactive gas leakage from the cells by personnel involved in the synthesis processes ...

journal_title：Health physics

authors： Calandrino R,del Vecchio A,Savi A,Todde S,Belloli S

更新日期：2009-10-01 00:00:00

abstract：:To determine the volume reduction potential for incineration of radioactivity in low-level radioactive waste, an incineration experiment was performed at the Okayama University Radioisotope Center (OURIC). Solid low-level radioactive samples (LLRS) were prepared for 15 routinely used radionuclides (45Ca, 1251, 32p, 33...

journal_title：Health physics

authors： Yumoto Y,Hanafusa T,Nagamatsu T,Okada S

更新日期：2000-08-01 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：:Eleven years after the accidental loss of nuclear weapons in 1968, the fourth scientific expedition to Thule occurred. The estimated inventory of 1 TBq 239,240Pu in the marine sediments was unchanged when compared with the estimate based on the 1974 data. Plutonium from the accident had moved further away from the imp...

journal_title：Health physics

authors： Aarkrog A,Dahlgaard H,Nilsson K,Holm E

更新日期：1984-01-01 00:00:00

abstract：:The process of nuclear fission, which was discovered in 1938, opened the door to the production of nuclear weapons, which were used in 1945 by the United States against Japan in World War II, and to the detonation of >500 nuclear weapons tests in the atmosphere by the United States, the former Soviet Union, the United...

journal_title：Health physics

authors： Bouville A

更新日期：2020-04-01 00:00:00

abstract：:Radiation doses to workers at the Manhattan Engineer District (MED) and Atomic Energy Commission (AEC) sites due to external irradiation during 1940-1960 are reviewed. Categorized radiation dose data were available from AEC annual reports for some years. Annual individual radiation dose data for nine MED/AEC sites for...

journal_title：Health physics

authors： Strom DJ,Smith MH,Swinth KL,Pettengill HJ

更新日期：1996-07-01 00:00:00

abstract：:Exposure to spark discharges may occur beneath high voltage transmission lines when contact is initiated with a conductive object (such as a motor vehicle) with the spark discharge mediated by the ambient electric field from the line. The objective of this study was to assess whether such exposures could interfere wit...

journal_title：Health physics

authors： Korpinen L,Kuisti H,Tarao H,Virtanen V,Pääkkönen R,Dovan T,Kavet R

更新日期：2016-01-01 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 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：:Three statistical control chart methods were investigated to determine the one with the highest detection probability and the best average run length (ARL). The three control charts include the Shewhart control chart of count data, cumulative sum (CUSUM) analysis of count data (Poisson CUSUM), and CUSUM analysis of ti...

journal_title：Health physics

authors： Luo P,Devol TA,Sharp JL

更新日期：2012-06-01 00:00:00

abstract：:Count rates were measured as a function of distance from a planar concrete reflector for a set of eight Bonner-sphere detectors and four isotopic neutron sources. These data can be used to determine the contributions of scattered neutrons to the response of moderated detectors used in environments bounded by concrete....

journal_title：Health physics

authors： Sun RK

更新日期：1990-09-01 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