Equations for modeling of grab samples of radon decay products.

abstract：:Delayed gamma spectrum is the fingerprint of uranium materials in arms control verification technology. The decay chain is simplified into basic state linear chain and excitation state linear chain to calculate and analyze the delayed gamma spectra of fission products. Formulas of the changing rule for nuclide number ...

journal_title：Health physics

authors： Guo H,Tian C,Wang X,Lv N,Ma M,Wei Y

更新日期：2016-07-01 00:00:00

abstract：:Mixed radioactive and chemical wastes generated by biomedical research were characterized, and various treatment methods for reducing their volume were evaluated. These wastes consist primarily of organic solvents used in the extraction and purification of radiolabeled biomolecules that are contaminated with low level...

journal_title：Health physics

authors： Linins I,Klein RC,Gershey EL

更新日期：1991-09-01 00:00:00

abstract：:More than 380 Chinese adults of both sexes were studied for their total body K and 40K using the National Tsing Hua University whole-body counter. The K values were found to have an average of 1.75 +/- 0.4 g K kg-1 body weight for males and 1.41 +/- 0.1 g K kg-1 body weight for females. The average K value for both se...

journal_title：Health physics

authors： Lan CY,Weng PS

更新日期：1989-11-01 00:00:00

abstract：:There has been concern that living near nuclear installations might increase the risk of cancer, including childhood leukemia, in surrounding communities. Such concern has been voiced by residents in Armstrong and Westmoreland Counties in Western Pennsylvania in conjunction with the operation of two former nuclear mat...

journal_title：Health physics

authors： Boice JD Jr,Bigbee WL,Mumma MT,Blot WJ

更新日期：2003-12-01 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：:A survey of the 222Rn concentrations in 106 homes in the four main towns of the Central Asturias region was carried out over three years. A total of 1,014 measurements was obtained using passive radon charcoal canisters. The 222Rn concentrations fit a log-normal distribution law, with a geometric mean of 23 Bq m(-3). ...

journal_title：Health physics

authors： Pérez Iglesias JM,Alvarez Alvarez MC,Dopico Vivero MT,Garzón Ruipérez L

更新日期：1996-05-01 00:00:00

abstract：:South Africa contains some of the world's largest mineral deposits, which include uranium. Uranium is mined as a by-product of gold production. The uranium content of the surface soil and groundwater in South Africa has been measured and shows marked variation, depending on location. Herbal remedies are collected by t...

journal_title：Health physics

authors： Steenkamp V,Stewart MJ,Chimuka L,Cukrowska E

更新日期：2005-12-01 00:00:00

abstract：:Accidental exposure to depleted or enriched uranium may occur in a variety of circumstances. There is a need to quantify such exposure, with the possibility that the testing may post-date exposure by months or years. Therefore, it is important to develop a very sensitive test to measure precisely the isotopic composit...

journal_title：Health physics

authors： Parrish RR,Thirlwall MF,Pickford C,Horstwood M,Gerdes A,Anderson J,Coggon D

更新日期：2006-02-01 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：:At least 350,000 workers at U.S. radiation facilities are being followed up to monitor their mortality experience, with particular reference to cancer. Although these studies are expensive, they are needed from the standpoint of public health and radiation protection; they also provide a useful check that the risk ext...

journal_title：Health physics

authors： Shore RE

更新日期：1990-07-01 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：:Occupational exposure to ionizing radiation from medical practices in China has been collected for a 7 y period between 2010 and 2016 from roughly 220 individual monitoring service providers through the Chinese Registry of Radiation Workers. Statistical dose distributions and characteristic tendencies are presented ba...

journal_title：Health physics

authors： Deng J,Fan S,Wang T,Hao S,Liu X,Guo W,Sun Q

更新日期：2019-12-01 00:00:00

abstract：:Aerosol samples were collected and analyzed to characterize the spatial and temporal variations in the concentrations of plutonium and selected inorganic substances in the atmosphere around the Waste Isolation Pilot Plant (WIPP). High-volume aerosol sampling was conducted at three sites: (1) On Site, (2) Near Field, a...

journal_title：Health physics

authors： Arimoto R,Kirchner T,Webb J,Conley M,Stewart B,Schoep D,Walthall M

更新日期：2002-10-01 00:00:00

abstract：:Ionizing radiation is a known and well-quantified human cancer risk factor, based on a remarkably consistent body of information from epidemiological studies of exposed populations. Typical examples of risk estimation include use of Japanese atomic bomb survivor data to estimate future risk from radiation-related canc...

journal_title：Health physics

authors： Land CE

更新日期：2009-11-01 00:00:00

abstract：:This paper presents an analysis of the implications of some recent studies performed to characterize uranium products from modern uranium recovery facilities important for worker protection. Assumptions about the solubility (related to the molecular species being produced) of these materials in humans are critical to ...

journal_title：Health physics

authors： Brown SH,Chambers DB

更新日期：2014-11-01 00:00:00

abstract：:Plane shields made of Pb with a water tank behind them were irradiated by 2.5-GeV bremsstrahlung. The longitudinal distribution of the absorbed dose in water was measured using a scintillation counter. The results are compared with Monte Carlo calculations and published depth dose tables. ...

journal_title：Health physics

authors： Ban S,Hirayama H,Miura S

更新日期：1987-07-01 00:00:00

abstract：:Electric (E) and magnetic field (B) strengths or flux densities were measured at distances of 30 and 50 cm from the screen of video displays at a frequency range from 30 Hz to 1 MHz. The measurement system consisted of an optically coupled active dipole for E-fields, a magnetic field meter, a digital oscilloscope, a p...

journal_title：Health physics

authors： Jokela K,Aaltonen J,Lukkarinen A

更新日期：1989-07-01 00:00:00

abstract：:In 2005, the Health Physics Society celebrates its 50th anniversary. During its half century of existence, the Society has evolved from a small group of operationally oriented radiation protection scientists into an organization of several thousand with a recognized and respected peer reviewed journal. The bold decisi...

journal_title：Health physics

authors： Boerner AJ,Kathren RL

更新日期：2005-03-01 00:00:00

abstract：:It is pointed out that induction of lung cancer by exposure to Rn daughters, applied at high doses to miners and at low doses to exposures in homes, provides a very stringent and sensitive test of the linear, no-threshold dose-response relationship for high-LET radiation, because this relationship predicts that a subs...

journal_title：Health physics

authors： Cohen BL

更新日期：1987-05-01 00:00:00

abstract：:The variability in radiosensitivity across the human population is governed in part by genetic factors. The ability to predict therapeutic response, identify individuals at greatest risk for adverse clinical responses after therapeutic radiation doses, or identify individuals at high risk for carcinogenesis from envir...

journal_title：Health physics

authors： Story M,Ding LH,Brock WA,Ang KK,Alsbeih G,Minna J,Park S,Das A

更新日期：2012-11-01 00:00:00

abstract：:The aim of this study is to evaluate the application and accuracy of polymer gels for determining electron dose distributions in the presence of small heterogeneities made of bone and air. Different cylindrical phantoms containing MAGIC (Methacrylic and Ascorbic acid in Gelatin Initiated by Copper) normoxic polymer ge...

journal_title：Health physics

authors： Asl RG,Nedaie HA,Banaee N

更新日期：2017-12-01 00:00:00

abstract：:A method is presented to determine the uncertainties in the reported dose due to incorporated plutonium for the Mayak Worker Cohort. The methodology includes errors generated by both detection methods and modeling methods. To accomplish the task, the method includes classical statistics, Monte Carlo, perturbation, and...

journal_title：Health physics

authors： Krahenbuhl MP,Bess JD,Wilde JL,Vostrotin VV,Suslova KG,Khokhryakov VF,Slaughter DM,Miller SC

更新日期：2005-07-01 00:00:00

abstract：:Often, the radiation exposure levels around brachytherapy patient rooms exceed the limits allowed by Nuclear Regulatory Commission (NRC) regulations and National Council on Radiation Protection (NCRP) recommendations. Since a neighboring patient may be present in the radiation field from a brachytherapy patient, or pa...

journal_title：Health physics

authors： Thomadsen B,van de Geijn J,Buchler D,Paliwal B

更新日期：1983-09-01 00:00:00

abstract：:The acute and chronic effects of radiation on children have been and will continue to be of great social, public health, scientific, and clinical importance. The focus of interest on ionizing radiation and children has been clear for over half a century and ranges from the effects of fallout from nuclear weapons testi...

journal_title：Health physics

authors： Mettler FA Jr,Constine LS,Nosske D,Shore RE

更新日期：2013-11-01 00:00:00

abstract：:The world's first atomic bomb was tested in New Mexico on 16 July 1945. From 1999 through 2008, scientists working for the Centers for Disease Control and Prevention gathered information relevant to past releases from Los Alamos activities, including the Trinity test. Detonation on a 30.5 m tower enhanced radioactive ...

journal_title：Health physics

authors： Widner TE,Flack SM

更新日期：2010-03-01 00:00:00

abstract：:The Pakistan Research Reactor-I (PARR-I) is a swimming pool type research reactor originally designed and built for a thermal power of 5 MW using High Enriched Uranium (HEU) fuel. In 1990-1991 the reactor was redesigned, partially decommissioned and recommissioned to operate with Low Enriched Uranium (LEU) fuel at a t...

journal_title：Health physics

authors： Ali A,Orfi SD,Manzur H,Aslam M

更新日期：2001-05-01 00:00:00

abstract：:A high-pressure ion chamber filled with 2.5825 X 10(5) kg m-2 argon as used to measure the dose rates of several sites of interest in an attempt to evaluate the dose rates contributed by cosmic rays. Observation sites included two water reservoirs deeper than 110 m, Mount Ali which is higher than 2500 m, airliners fly...

journal_title：Health physics

authors： Weng PS,Chen CF

更新日期：1987-03-01 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：:Soils, vegetation, small mammals, and birds were measured for uranium series radionuclides at three sites near the operating Key Lake uranium mill in northern Saskatchewan. Sites, impacted by windblown tailings and mill dust, had significantly higher concentrations of uranium, 226Ra, 210Pb, and 210Po in soils, litter,...

journal_title：Health physics

authors： Thomas PA

更新日期：2000-06-01 00:00:00

abstract：:This document describes the attributes of an alpha spectroscopy counting and analysis system called Low Level Pulse Height Analysis (LLPHA). It was developed for multi-sample alpha spectroscopy analysis. The LLPHA system is controlled by a MIK-11/2 microcomputer with 28K of memory and uses a double-density, dual flopp...

journal_title：Health physics

authors： Guilmette RA,Archibeque FA

更新日期：1984-03-01 00:00:00