Modular glovebox connector and associated good practices for control of radioactive and chemically toxic materials.

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

authors： Shyr LJ,Herrera H,Haaker R

更新日期：1997-11-01 00:00:00

abstract：:This work was directed towards an assessment of alpha/beta separation, alpha detection efficiency, energy resolution, quench sensitivity, and background count rate for four commercially available liquid scintillation cocktails using a Wallac 1415 liquid scintillation counter. The four cocktails were Wallac Oy OptiPhas...

journal_title：Health physics

authors： DeVol TA,Brown DD,Leyba JD,Fjeld RA

更新日期：1996-01-01 00:00:00

abstract：:The concentrations of various trace elements and radionuclides have been measured in marine protein concentrates prepared from surface feeding fishes. As with concentrates prepared from benthic fishes, the 210Pb-210Po pair are the most significant radionuclides present. Concentrations of stable Pb, Co and Ag in certai...

journal_title：Health physics

authors： Beasley TM,Jokela TA,Eagle RJ

更新日期：1971-12-01 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 Pantex Plant significantly revised its Radiological Control Manual to improve its usability, streamline plant procedures, and clarify conflicting guidance. This article overviews the process used to develop the new Radiological Control Manual. ...

journal_title：Health physics

authors： Farrell LM

更新日期：2002-02-01 00:00:00

abstract：:Radio frequency currents in the human body, induced by high-frequency and medium-frequency high-power broadcast antennas, were studied theoretically and experimentally. An analytical formula was derived to calculate the foot currents in a grounded semispheroidal model of the human body. The model agrees within 30% wit...

journal_title：Health physics

authors： Jokela K,Puranen L,Gandhi OP

更新日期：1994-03-01 00:00:00

abstract：:Röntgen's description of his discovery of x rays was convincing and comprehensive. The response of the scientific community and public was immediate and intense. In contrast, the discovery of radioactivity was a muddled affair that excited little interest. While it would prove far more revolutionary than that of x ray...

journal_title：Health physics

authors： Frame PW

更新日期：1996-05-01 00:00:00

abstract：:Quantification of the biologically relevant dose is required for the establishment of cause-and-effect between radiation detriment or burden and important biological outcomes. Most epidemiological studies of unanticipated radiation exposure fail to establish cause and effect because of an inability to construct a vali...

journal_title：Health physics

authors： Pass B,Baranov AE,Kleshchenko ED,Aldrich JE,Scallion PL,Gale RP

更新日期：1997-03-01 00:00:00

abstract：:Bovine thyroid glands from different countries in Europe and human thyroid glands from Lower Saxony (Federal Republic of Germany) show isotopic 129I/127I ratios of 2.1 X 10(-9) to 8.2 X 10(-8) for cattle and 2.1 X 10(-9) to 8 X 10(-8) in humans. These values give information about the concentration of fallout 129I in ...

journal_title：Health physics

authors： Handl J,Pfau A,Huth FW

更新日期：1990-05-01 00:00:00

abstract：:The destruction of the Unit 4 reactor at the Chernobyl Nuclear Power Plant resulted in the generation of radioactive contamination and radioactive waste at the site and in the surrounding area (referred to as the Exclusion Zone). In the course of remediation activities, large volumes of radioactive waste were generate...

journal_title：Health physics

authors： Napier BA,Schmieman EA,Voitsekovitch O

更新日期：2007-11-01 00:00:00

abstract：:Multiple planar high-purity Ge detectors have been used for the past year to detect, localize and quantify several radionuclides in radiation workers. The advantages of these detectors over NaI(Tl), phoswich, and arrays of planar Ge detectors attached to a single cryostat are illustrated by the results of the measurem...

journal_title：Health physics

authors： Palmer HE,Rieksts G

更新日期：1984-10-01 00:00:00

abstract：:Low-dose radiation is widely used across the world for the diagnosis of many diseases by means of a variety of imaging technologies. However, the harmful effects of exposure to low-dose radiation during medical examination remain controversial. The authors studied the effects of medical diagnostic low-dose x rays (i.e...

journal_title：Health physics

authors： Tungjai M,Phathakanon N,Rithidech KN

更新日期：2017-05-01 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：:A system for evaluating quality factors, Q, based on the microdosimetric distribution of the radiation field of interest has been set up; it makes use of a specific quality function (SQF) to obtain--given microdosimetric spectra--values for Q. The advantages of a system based on lineal energy are well recognized. Furt...

journal_title：Health physics

authors： Zaider M

更新日期：1996-06-01 00:00:00

abstract：:Concentration factors (CFs) for 27 radionuclides in marine and freshwater fish were reviewed, as were factors that may influence the dose commitment to man resulting from the consumption of fish. These factors include environmental partitioning, ecological trophic level discrimination and specific tissue accumulation ...

journal_title：Health physics

authors： Poston TM,Klopfer DC

更新日期：1988-11-01 00:00:00

abstract：:This document was prepared as a review of the current knowledge of tritium metabolism and dosimetry. The physical, chemical, and metabolic characteristics of various forms of tritium are presented as they pertain to performing dose assessments for occupational workers and for the general public. For occupational worke...

journal_title：Health physics

authors： Hill RL,Johnson JR

更新日期：1993-12-01 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 many reports and other authoritative documents developed and published by the National Council on Radiation Protection and Measurements (NCRP) have been of great service to the nation and the radiation protection community since its Congressional charter was signed into law 50 y ago. There will be a continuing nee...

journal_title：Health physics

authors： Bushberg JT

更新日期：2015-02-01 00:00:00

abstract：:Discharges of radioactive materials from the nuclear fuel reprocessing plant at Sellafield in the United Kingdom give rise to 137Cs and 134Cs in fish caught in the Irish Sea. Measurements made on fish catches landed in the Irish Republic show average activities of 68 and 3 Bq/kg (wet) of 137Cs and 134Cs, respectively....

journal_title：Health physics

authors： McAulay IR,Doyle C

更新日期：1985-03-01 00:00:00

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_title：Health physics

authors： Schwahn SO

更新日期：2015-10-01 00:00:00

abstract：:The photon interaction parameters such as mass attenuation coefficient (μ/ρ), effective atomic number (Z eff) and effective electron density (N el) must be identical for the phantom material and their tissue. In the present study, the μ/ρ, Z eff, and N el for muscle, breast, lung tissue have been computed, and their s...

journal_title：Health physics

authors： Manjunatha HC

更新日期：2014-02-01 00:00:00

abstract：:Radiofrequency-induced hyperthermia has recently gained acceptance in cancer therapy. One of a few commercially available systems is the Magnetrode, a device operating at 13.56 MHz with an output power up to 1000 W. Heating of the prescribed part of the patient's body is accomplished by one of the coil electrodes. To ...

journal_title：Health physics

authors： Stuchly MA,Repacholi MH,Lecuyer DW

更新日期：1983-07-01 00:00:00

abstract：:The assessment of doses related to exposures to ionizing radiation is an essential part of all applications of ionizing radiation including radiation medicine, radiation protection, radiation biology, radiation epidemiology, and also industrial uses of radiation. Absorbed dose is generally considered to be the fundame...

journal_title：Health physics

authors： Menzel HG

更新日期：2019-02-01 00:00:00

abstract：:The standard mathematical treatment of the buildup and decay of airborne radionuclides on a filter paper uses the solutions of the so-called Bateman equations adapted to the sampling process. These equations can be interpreted as differential equations for the expectation of an underlying stochastic process, which des...

journal_title：Health physics

authors： Groer PG,Lo Y

更新日期：1996-12-01 00:00:00

abstract：:The 3H concentration in Japanese human tissue samples is reported in this paper. Four brain, 10 liver, and nine lung samples from 11 cases were collected from Akita Prefecture in northern Japan from January to July 1986. The median of free-water 3H concentration was similar in these tissues and agreed well with the co...

journal_title：Health physics

authors： Hisamatsu S,Takizawa Y,Itoh M,Ueno K,Katsumata T,Sakanoue M

更新日期：1989-10-01 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：: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：:The frequency of hypoxanthine-guanine phosphoribosyltransferase (hprt) mutations has been determined in the peripheral T-lymphocytes of 18 workers at the Sellafield nuclear reprocessing installation with cumulative recorded radiation doses of about 500 mSv or more in comparison with a matched control group of 18 worke...

journal_title：Health physics

authors： Cole J,Arlett CF,Green MH,Holdsworth D,Tawn EJ,Bridges BA

更新日期：1995-03-01 00:00:00

abstract：:A new method to trace back average radon concentrations in dwellings over several decades in time has been developed. This retrospective radon monitor is based on the measurement of the alpha activity of 210Po deposited in volume traps, e.g., spongy materials used for mattresses and cushions. Polyester samples with di...

journal_title：Health physics

authors： Oberstedt S,Vanmarcke H

更新日期：1996-02-01 00:00:00

abstract：:Sometimes the results of measurements in radioactivity are reported as less than MDA. Over the years there have been articles informing the reader that it is incorrect to express the results of measurements as less than MDA. A very brief review of past comments on expressing the results of measurements precedes a disc...

journal_title：Health physics

authors： Potter WE

更新日期：2001-02-01 00:00:00