Abstract:
:Prompt gamma emission data from the International Atomic Energy Agency's Prompt Gamma-ray Neutron Activation Analysis database are analyzed to determine the absorbed dose rates in tissue to be expected when natural elements are exposed in a near-thermal neutron environment.
journal_name
Health Physjournal_title
Health physicsauthors
Schwahn SOdoi
10.1097/HP.0000000000000288subject
Has Abstractpub_date
2015-10-01 00:00:00pages
319-22issue
4eissn
0017-9078issn
1538-5159pii
00004032-201510000-00007journal_volume
109pub_type
杂志文章相关文献
HEALTH PHYSICS文献大全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
pub_type: 杂志文章
doi:10.1097/00004032-198607000-00007
更新日期:1986-07-01 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
pub_type: 杂志文章
doi:10.1097/HP.0b013e3182588d92
更新日期:2012-09-01 00:00:00
abstract::The Trinity nuclear test, conducted in 1945, exposed residents of New Mexico to varying degrees of radioactive fallout. Companion papers in this issue have detailed the results of a dose reconstruction that has estimated tissue-specific radiation absorbed doses to residents of New Mexico from internal and external exp...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/HP.0000000000001333
更新日期:2020-10-01 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
pub_type: 杂志文章,评审
doi:10.1097/00004032-200205000-00016
更新日期:2002-05-01 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
pub_type: 杂志文章
doi:10.1097/HP.0000000000001118
更新日期:2019-12-01 00:00:00
abstract::The PATHWAY model results were used, in conjunction with a hypothetical major nuclear attack on the U.S., to arrive at the ratio of internal to external dose for humans from early (48 h) fallout. Considered were the four nuclides (137Cs, 89Sr, 90Sr, 131I) that account for most of the reconstructed whole-body committed...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/00004032-199201000-00004
更新日期:1992-01-01 00:00:00
abstract::With the aim of developing genetic tests for elevated and reduced radiation sensitivity, the authors studied the correlations between various genotypes and frequencies of spontaneous and radiation-induced chromosome aberrations in human lymphocytes. Cytogenetic analysis and genotyping (19 sites of detoxification and D...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/HP.0b013e3182231a9d
更新日期:2012-07-01 00:00:00
abstract::Fractal analysis is introduced in the field of environmental health physics. In particular, it is applied to the complex and inhomogeneous deposition pattern of radioactivity after the Chernobyl accident. The patchiness of 137Cs hot spots is quantified by a fractal dimension as low as 1. The problem of finding hot spo...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/00004032-199108000-00013
更新日期:1991-08-01 00:00:00
abstract::Continuously repeated or frequent periodic measurements of the radiation environment in the absence of an identified source of ionizing radiation provide large data sets on the ambient background. Statistical evaluation of these data allows for the identification and quantification of the relevant background distribut...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/HP.0b013e318279f3a5
更新日期:2013-03-01 00:00:00
abstract::Elsewhere in this issue, Robin Elliott outlined a successful program for performing annual radiation safety management program audits. The results of such audits provide a useful means of evaluating and correcting deficiencies or weaknesses in a radiation safety program. At our institution we also perform an annual au...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/00004032-199911001-00003
更新日期:1999-11-01 00:00:00
abstract::Information on the 240Pu/239Pu isotope ratios in human tissues for people living around the Semipalatinsk Nuclear Test Site (SNTS) was deduced from 9 sets of soft tissues and bones, and 23 other bone samples obtained by autopsy. Plutonium was radiochemically separated and purified, and plutonium isotopes (239Pu and 24...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/01.HP.0000314807.29873.71
更新日期:2008-09-01 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
pub_type: 杂志文章,评审
doi:10.1097/00004032-200307000-00010
更新日期:2003-07-01 00:00:00
abstract::Spreadsheet macro programs for calculations of exact hazard and probability of having contracted cancer were used to study the implications of the lung cancer model of Moolgavkar et al. Excess lifetime risk ELR and loss of life expectancy LLE were calculated from the annual values of hazard and probability, using publ...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/00004032-199904000-00007
更新日期:1999-04-01 00:00:00
abstract::Experimental data are given on the content of genetically related pairs of radionuclides (226Ra and 222Rn; 224Ra and 220Rn) in soils and the above-ground phytomass of plants growing on plots with differing genesis of the higher concentrations of natural radionuclides in soils. Methods for determining gaseous radionucl...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/00004032-198605000-00002
更新日期:1986-05-01 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
pub_type: 杂志文章
doi:10.1097/HP.0000000000000630
更新日期:2017-03-01 00:00:00
abstract::The prevalence of thyroid nodules and thyroid cancer was studied in the indigenous population residing on Ebeye Island, Kwajalein Atoll, in the Republic of the Marshall Islands. This island, centrally located in the nation, is home to about 25% of the nation's population, many who have migrated there from other atolls...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/00004032-199707000-00017
更新日期:1997-07-01 00:00:00
abstract::To reconstruct reliable nuclear medicine-related occupational radiation doses or doses received as patients from radiopharmaceuticals over the last five decades, the authors assessed which radiopharmaceuticals were used in different time periods, their relative frequency of use, and typical values of the administered ...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/HP.0000000000000261
更新日期:2015-05-01 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
pub_type: 杂志文章
doi:10.1097/00004032-198309000-00004
更新日期:1983-09-01 00:00:00
abstract::This article presents an optimization study for radiological protection in a U mine. The mathematical model of the alpha contamination associated with short-lived Rn daughters allows the comparison of various protection strategies through a cost-effectiveness analysis. Determining the optimal protection strategy is ca...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/00004032-198604000-00004
更新日期:1986-04-01 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
pub_type: 杂志文章
doi:10.1097/00004032-199711000-00012
更新日期:1997-11-01 00:00:00
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
pub_type: 杂志文章
doi:10.1097/HP.0000000000000521
更新日期:2016-07-01 00:00:00
abstract::The aim of this work was to evaluate the reproductive toxicological effects of uranium (U) at 2.5, 5, and 10 mgU/kg/d chronically administered in drinking water for 40 d. Swiss female control mice (n = 28) and mice chronically contaminated with uranyl nitrate in drinking water (n = 36) were tested. The number and qual...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/01.HP.0000342827.76950.b3
更新日期:2009-05-01 00:00:00
abstract::Voxelized geometry such as those obtained from medical images is increasingly used in Monte Carlo calculations of absorbed doses. One useful application of calculated absorbed dose is the determination of fluence-to-dose conversion factors for different organs. However, confusion still exists about how such a geometry...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/01.HP.0000234039.58356.de
更新日期:2006-11-01 00:00:00
abstract::Many reports discuss plant growth stimulation by exposure of seeds or plants to low doses of ionizing radiation. The reported effects include increased height, weight, growth rate, flowering and yield. The magnitude of the effect(s) is usually small, being about 10% of control values; and the effects often are not rep...
journal_title:Health physics
pub_type: 杂志文章,评审
doi:10.1097/00004032-198705000-00012
更新日期:1987-05-01 00:00:00
abstract::A Monte Carlo based method for the conversion of an in-situ gamma-ray spectrum obtained with a portable Ge detector to photon flux energy distribution is proposed. The spectrum is first stripped of the partial absorption and cosmic-ray events leaving only the events corresponding to the full absorption of a gamma ray....
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/00004032-199802000-00007
更新日期:1998-02-01 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
pub_type: 杂志文章
doi:10.1097/00004032-200408001-00010
更新日期:2004-08-01 00:00:00
abstract::Assumptions supporting a chronic aqueous release methodology are inappropriate for estimating dose from accidental discharges. A method of modeling acute or accidental releases is being developed for predicting maximum individual dose. Standardization of consumption rates and usage factors for acute aqueous releases i...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/00004032-199206000-00011
更新日期:1992-06-01 00:00:00
abstract::Two motivations for studying radiation risk are (1) to quantify the magnitude of risk as an aid to setting radiation protection standards and (2) to understand causality as an aid to assigning compensation for radiation exposed individuals whose disease or death may have been related to radiation exposure. Although it...
journal_title:Health physics
pub_type: 杂志文章,评审
doi:10.1097/HP.0b013e3181db29fd
更新日期:2010-11-01 00:00:00
abstract::The use of nuclear gauges for process control and elemental analysis in the mining industry in Ghana, West Africa, is wide spread and on the increase in recent times. The Ghana Radiation Protection Board regulates nuclear gauges through a system of notification and authorization by registration or licensing, inspectio...
journal_title:Health physics
pub_type: 杂志文章
doi:10.1097/HP.0b013e3181cd7c6f
更新日期:2010-05-01 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
pub_type: 杂志文章
doi:10.1097/00004032-200304000-00011
更新日期:2003-04-01 00:00:00