Nationwide survey of radon levels in Korea.

abstract：:An empirical expression of cavity theory for electron fields is developed in a fashion similar to Burlin's general theory of cavity ionization for photons. It incorporates a term that relates the absorbed dose ratio in the cavity and material medium to the differences in electron scattering. This new expression correl...

journal_title：Health physics

authors： Ogunleye OT,Paliwal BR

更新日期：1985-11-01 00:00:00

abstract：:Following the tragic events of 11 September 2001, the nation has made significant strides in preparing for disasters and emergencies of all types. Federal funding to state, local, territorial, and tribal public health and healthcare systems has required an all-hazards preparedness approach with special focus on those ...

journal_title：Health physics

authors： Herrmann J

更新日期：2018-02-01 00:00:00

abstract：:A severe radiological accident involving an industrial radiography source containing Ir occurred in China. A worker was seriously exposed, which resulted in acute radiation syndrome. Initial whole-body dose was estimated at 1.51 Gy (95% Confidence Interval: 1.40-1.61 Gy) using biological dosimetry. This work performed...

journal_title：Health physics

authors： Lu W,Wu Z,Qiu R,Li C,Yang B,Gao S,Ren L,Li J

更新日期：2017-11-01 00:00:00

abstract：:During an invited visit to the University of Pittsburgh Medical Center (UPMC) gamma knife facility, officials from the Nuclear Regulatory Commission (NRC) observed what they considered as an apparent violation of the physical presence requirements specified in 10 CFR 35.615(f)(3). This event initiated an inspection an...

journal_title：Health physics

authors： Sheetz M,Swanson D,Yates B

更新日期：2009-02-01 00:00:00

abstract：:The "radon emanation" method of analysis for Rn and Ra in natural waters has been used by scientists for more than 30 years. We have examined the use of a new plastic bottle design as a viable option and improvement to traditional glass designs. The advantages of the new design over that used previously in our laborat...

journal_title：Health physics

authors： Stringer CE,Burnett WC

更新日期：2004-12-01 00:00:00

abstract：:Consideration of the equilibrium factor F between the concentration of the radon daughters and the concentration of radon is a part of the evaluation of the measurements of radon daughter concentrations in dwellings when applying limits. Measurements of radon, radon daughters and air exchange rates have been carried o...

journal_title：Health physics

authors： Swedjemark GA

更新日期：1983-08-01 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：: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：: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 Federal Radiological Emergency Response Plan (FRERP) directs the Department of Energy (DOE) to maintain a viable, timely, and fully documented response option capable of supporting the responsible Lead Federal Agency in the event of a radiological emergency impacting any state or United States territory (e.g., CON...

journal_title：Health physics

authors： Tighe RJ,Riland CA,Hopkins RC

更新日期：2000-02-01 00:00:00

abstract：:The concentrations of natural alpha-emitting isotopes of thorium (228Th, 230Th and 232Th) have been determined in 22 sets of human tissue samples obtained at autopsy from Grand Junction, CO and in 10 sets from Washington, DC. Tissues included lung, pulmonary lymph nodes, liver, kidney, bone, a few gonads, spleen and t...

journal_title：Health physics

authors： Ibrahim SA,Wrenn ME,Singh NP,Cohen N,Saccomano G

更新日期：1983-01-01 00:00:00

abstract：:The analysis of uranium in water samples can be very helpful for providing guidelines to the general public regarding necessary remedial measures. A fission-track technique has been applied for the estimation of the uranium concentration in drinking water collected from natural springs of Muzaffarabad and hilly areas ...

journal_title：Health physics

authors： Akram M,Khattak NU,Qureshi AA,Iqbal A,Tufail M,Qureshi IE

更新日期：2004-03-01 00:00:00

abstract：:Calculations of Committed Effective Dose Equivalent (CEDE) due to inhalation using four of the five methods suggested in the United States Nuclear Regulatory Commission Regulatory Guide 8.34 (1992a) were performed to determine if any significant differences in the calculated value of the CEDE exist for typical power p...

journal_title：Health physics

authors： Windham JR,Kearfott KJ,Mis FJ

更新日期：1994-11-01 00:00:00

abstract：:Clinical efficacy and safety may be compromised if output from ultrasonic therapy transducers differs significantly from the indicated value. Space-averaged effective intensities selected for treatment are a ratio of the emitted ultrasonic power to the effective radiating area (ERA). In this study, ERA measurements fo...

journal_title：Health physics

authors： Bly SH,Hussey RG,Kingsley JP,Dickson AW

更新日期：1989-10-01 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：:Ionizing radiation is a known, well-documented, and reasonably well-quantified human cancer risk factor based on a remarkably consistent body of dose-response information from epidemiological studies of exposed populations supported by experimental studies using animal and cellular models. This fact is largely ascriba...

journal_title：Health physics

authors： Land CE

更新日期：2011-11-01 00:00:00

abstract：:This study was motivated by the efforts to evaluate radiation risk for leukemia incidence in the Techa River cohort, where the main bone marrow dose contributors were Sr (bone-seeking beta emitters). Energy deposition in bone marrow targets was evaluated by simulating radiation particle transport using computational p...

journal_title：Health physics

authors： Shishkina EA,Timofeev YS,Volchkova AY,Sharagin PA,Zalyapin VI,Degteva MO,Smith MA,Napier BA

更新日期：2020-01-01 00:00:00

abstract：:In the summers of 1990 and 1991, outdoor 222Rn detectors were installed for 3 mo in 78 communities across Canada. The 1990 measurements showed large regional variations with the average outdoor levels for the provinces of Manitoba (59 Bq m-3) and Saskatchewan (61 Bq m-3) exceeding the average indoor levels of 55 Bq m-...

journal_title：Health physics

authors： Grasty RL

更新日期：1994-02-01 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：: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 of dispo...

journal_title：Health physics

authors： Barroso J,Roberts S

更新日期：2003-02-01 00:00:00

abstract：:Data on occupational radiation exposure from nuclear medicine procedures for the time period of the 1950s through the 1970s is important for retrospective health risk studies of medical personnel who conducted those activities. However, limited information is available on occupational exposure received by physicians a...

journal_title：Health physics

authors： Drozdovitch V,Brill AB,Mettler FA Jr,Beckner WM,Goldsmith SJ,Gross MD,Hays MT,Kirchner PT,Langan JK,Reba RC,Smith GT,Bouville A,Linet MS,Melo DR,Lee C,Simon SL

更新日期：2014-10-01 00:00:00

abstract：:Radiopharmaceutical therapy involves the use of radionuclides that are either conjugated to tumor-targeting agents (e.g., nanoscale constructs, antibodies, peptides, and small molecules) or that concentrate in tumors through natural physiological mechanisms that occur predominantly in neoplastic cells. In the latter c...

journal_title：Health physics

authors： Sgouros G

更新日期：2019-02-01 00:00:00

abstract：:Facing the challenge from terrorism, separatism, and extremism, China spared no effort to be prepared for every possible threat in order to host a safe Olympic Games. According to its statutory role, the Ministry of Health (MOH) is in charge of medical preparedness and response for radiological and nuclear emergencies...

journal_title：Health physics

authors： Liu Y,Lei C,Qin B,Chen H,Su X

更新日期：2010-06-01 00:00:00

abstract：:Increasing audience knowledge is often set as a primary objective of risk communication efforts. But is it worthwhile focusing risk communication strategies solely on enhancing specific knowledge? The main research questions tackled in this paper were: (1) if prior audience knowledge related to specific radiation risk...

journal_title：Health physics

authors： Perko T,Zeleznik N,Turcanu C,Thijssen P

更新日期：2012-06-01 00:00:00

abstract：:Recent work involving the decommissioning of a former ceramic manufacturing facility licensed by the Nuclear Regulatory Commission for activities involving depleted uranium oxide has uncovered the presence of unexpected high levels of natural radioactivity in non-licensed zirconium oxide powders also used in the same ...

journal_title：Health physics

authors： Lischinsky J,Vigliani MA,Allard DJ

更新日期：1991-06-01 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：: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：:The objectives of this research were (1) to analyze the transfers of 137Cs and 60Co in a retention pond, with emphasis on aquatic insects and (2) to determine if detectable concentrations of these radionuclides are exported by emerging aquatic insects. We analyzed the radionuclide concentrations in the following compo...

journal_title：Health physics

authors： Voshell JR Jr,Eldridge JS,Oakes TW

更新日期：1985-11-01 00:00:00

abstract：:Mechanic workers are exposed to exhaust fumes when controlling vehicle engines in motion inside repair shops. To assess radiation doses due to radon short-lived progeny from the inhalation of exhaust fumes by mechanic workers, concentrations of these radionuclides were measured in petrol (gasoline) and gas-oil exhaust...

journal_title：Health physics

authors： Misdaq MA,Chaouqi A,Ouguidi J,Touti R,Mortassim A

更新日期：2015-06-01 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