Transfer of 137Cs and 60Co in a waste retention pond with emphasis on aquatic insects.

abstract：:Risk assessment of exposure to sources of radiation is an important tool for national governments in regulating radionuclide emissions and thus reducing radiation doses for the general public. For this reason radiation doses from sources throughout The Netherlands have been analyzed. For sources with well-defined loca...

journal_title：Health physics

authors： Janssen MP,Blaauboer RO,Pruppers MJ

更新日期：1998-06-01 00:00:00

abstract：:ISO standard 4037 specifies that for calibrating protection level dosimeters, scattered radiation should contribute less than 5% of the exposure. In previous work, the authors reported the results of an MCNP analysis of the shadow shield technique that was performed for a calibration range with a Cs irradiator. This p...

journal_title：Health physics

authors： Petrie CM,Blue TE,Herminghuysen K

更新日期：2012-01-01 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

authors： Yamamoto M,Oikawa S,Sakaguchi A,Tomita J,Hoshi M,Apsalikov KN

更新日期：2008-09-01 00:00:00

abstract：:In the assessment of risk, several factors affect predictions: selection of reactive agent, selection of tumor incidence data, modeling of dose, scaling across species, adjustment for differences in duration and frequency of exposure, and selection of the most suitable risk extrapolation model. If the endpoints, expos...

journal_title：Health physics

authors： Beliles RP,Parker JC

更新日期：1989-01-01 00:00:00

abstract：:The Marshall Islands were the site of numerous tests of nuclear weapons by the United States. From 1946 to 1958, nuclear devices were detonated at Enewetak and Bikini Atolls. Following the inadvertent contamination of the northern islands downwind of the 1954 Bravo Test, Brookhaven National Laboratory became involved ...

journal_title：Health physics

authors： Sun LC,Clinton JH,Kaplan E,Meinhold CB

更新日期：1997-07-01 00:00:00

abstract：:Nineteen UF6/UO2F2 inhalation studies were undertaken in purebred, female beagle dogs (N = 16) to examine inter alia, (a) the possible relations of exposure, whole body, lung and renal uranium levels to excretion rates; (b) the threshold U6+ dose and renal concentration for renal injury; (c) the distribution and reten...

journal_title：Health physics

authors： Morrow P,Gelein R,Beiter H,Scott J,Picano J,Yuile C

更新日期：1982-12-01 00:00:00

abstract：:In the last 50 years several radiation accidents occurred in which industrial radiographers and others suffered severe radiation injuries from inadvertent contact with radiation sources. Such accidents involving acute localized injuries are characterized by a severe initial reaction progressing through erythema to ski...

journal_title：Health physics

authors： Lefaix JL,Daburon F

更新日期：1998-10-01 00:00:00

abstract：:The aims of this study were to develop and improve the sensitivity of an electron spin resonance (ESR) spectrometer and to demonstrate its functionality for dosimetry in measuring ESR signals from radiation-exposed fingernails. The newly-developed spectrometer was a lightweight (22 kg) one-box ESR device with a resona...

journal_title：Health physics

authors： Suzuki H,Tamukai K,Yoshida N,Ohya H,Kato K,Anzai K,Swartz HM

更新日期：2010-02-01 00:00:00

abstract：:Depleted uranium (DU) is an alpha particle emitter and radioactive heavy metal used in military applications. Due to internalization of DU during military operations and the ensuing chronic internal exposure to DU, there are concerns regarding its potential health effects. Preconceptional paternal irradiation has been...

journal_title：Health physics

authors： Miller AC,Stewart M,Rivas R

更新日期：2010-09-01 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：: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：:Instrumentation and application methodologies for rapidly and accurately estimating individual ionizing radiation dose are needed for on-site triage in a radiological/nuclear event. One such methodology is an in vivo X-band, electron paramagnetic resonance, physically based dosimetry method to directly measure the rad...

journal_title：Health physics

authors： Swarts SG,Sidabras JW,Grinberg O,Tipikin DS,Kmiec MM,Petryakov SV,Schreiber W,Wood VA,Williams BB,Flood AB,Swartz HM

更新日期：2018-07-01 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：:This paper summarizes an environmental radionuclide baseline study undertaken for the Department of National Defence in Canada. The purpose of the project was to establish levels of radionuclides present in the environment around areas where nuclear propelled vessels may be berthed. Specifically, this report describes...

journal_title：Health physics

authors： Waller EJ,Cole D

更新日期：1999-07-01 00:00:00

abstract：:In conventional radiation-therapy facilities, radiation doses to medical personnel originate from the leakage radiation of 60Co teletherapy systems or from photoneutrons produced during the operation of x-ray generators at energies over 10 MeV in unsuitably shielded therapy rooms. In neutron-therapy facilities, during...

journal_title：Health physics

authors： Rosenberg I,Awschalom M,Ten Haken RK,Bennett BR

更新日期：1984-02-01 00:00:00

abstract：:The possibility of the occurrence of radiation accidents is increasing in the Asian region. However, training/education programs for medical professionals have not been established to improve the medical preparedness for radiation emergencies in the Asian region. As one of the activities for radiation emergency medica...

journal_title：Health physics

authors： Park KD,Jang M,Akashi M

更新日期：2010-06-01 00:00:00

abstract：:An addition has been made to an existing software program for calculating shielding thicknesses of barriers for megavoltage radiation therapy beams. This addition calculates the shielding thicknesses required for the roof of a single-story building when adjacent, multi-level buildings are occupied. ...

journal_title：Health physics

authors： Biggs PJ

更新日期：1998-10-01 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：:The shaft portion of the left femur from an individual occupationally exposed to Pu was used to investigate the suitability of an ethylenediamine extraction technique to separate mineral bone from organic material. Marrow in the lumen was removed before the extraction technique was used and was analyzed separately for...

journal_title：Health physics

authors： Miglio JJ,Willis LC

更新日期：1987-06-01 00:00:00

abstract：:The Department of Health and Human Services (DHHS) was directed by Congress to assess the risk of thyroid cancer from 131I associated with fallout from the atmospheric testing of nuclear weapons at the Nevada Test Site. The National Cancer Institute (NCI) was requested by DHHS to address Public Law 97-414, Section 7 (...

journal_title：Health physics

authors： Wachholz BW

更新日期：1990-11-01 00:00:00

abstract：:The present study was undertaken to assess the contribution of phosphate feed supplements to the radiation exposure of the population in Israel. The phosphates usually contain appreciable quantities of U and its daughters and the actual exposure of human consumers depends, to a very large extent, on the degree of equi...

journal_title：Health physics

authors： Izak-Biran T,Schlesinger T,Weingarten R,Even O,Shamai Y,Israeli M

更新日期：1989-03-01 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

authors： Peterson KR,Shapiro CS

更新日期：1992-01-01 00:00:00

abstract：:In the past 25 years, nuclear and radiological emergencies have occurred that cover much of the range of causes and types that had been anticipated by experts. Experience from response to these emergencies has clearly demonstrated the importance of an efficient response system that includes, among other components, em...

journal_title：Health physics

authors： McKenna T,Buglova E,Kutkov V

更新日期：2007-11-01 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：:Experience gained during a field training exercise with a Medical Reserve Corps unit on the screening of large groups of individuals for possible contamination with radioactive material revealed that while exercise participants were generally attentive to the proper use of protective equipment and detectors, they tend...

journal_title：Health physics

authors： Emery RJ,Sprau DD,Morecook RC

更新日期：2008-11-01 00:00:00

abstract：:A group of workers internally contaminated with Am have been followed for about 12 years. The source of contamination was AmO2 powder used for production of AmBe neutron sources and other applications. The production of some radionuclide sources included chemical treatment of the original material, which transformed t...

journal_title：Health physics

authors： Malátová I,Vrba T,Becková V,Pospísilová H

更新日期：2010-10-01 00:00:00

abstract：:A mathematical model of the process of collecting and analyzing a grab sample of radon decay products in air can be useful for a number ofpurposes. Among them is predicting the observed counts of alpha particles and/or beta particles (1) under various conditions of radon decay product equilibrium; (2) for various samp...

journal_title：Health physics

authors： Jenkins PH

更新日期：2002-08-01 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：:To elucidate any connection between high radon concentrations and low-infiltration houses, we have concurrently measured the 222Rn concentration and the infiltration rate in U.S. houses. Three housing surveys have been undertaken: one in "energy-efficient" houses located throughout the U.S. and two in "conventional" h...

journal_title：Health physics

authors： Nero AV,Boegel ML,Hollowell CD,Ingersoll JG,Nazaroff WW

更新日期：1983-08-01 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

authors： Drozdovitch V,Brill AB,Callahan RJ,Clanton JA,DePietro A,Goldsmith SJ,Greenspan BS,Gross MD,Hays MT,Moore SC,Ponto JA,Shreeve WW,Melo DR,Linet MS,Simon SL

更新日期：2015-05-01 00:00:00