A method of discriminating transuranic radionuclides from radon progeny using low-resolution alpha spectroscopy and curve-fitting techniques.

abstract：:The technique of electron paramagnetic resonance dosimetry using tooth enamel was established in the late 1960s, and considerable research has been conducted to learn more about the benefits of using human teeth as dosimeters for the purpose of retrospective dose reconstruction. Comparatively few studies have been don...

journal_title：Health physics

authors： Harshman A,Johnson T

更新日期：2018-11-01 00:00:00

abstract：:Accidents involving exposure to radiation or radioactive materials may involve an unusual degree of emotional trauma. Methods that may be employed in dealing with such trauma are discussed in relation to a specific accident in which a radiation worker was injured and seriously contaminated with 241Am. ...

journal_title：Health physics

authors： Brown WR

更新日期：1983-10-01 00:00:00

abstract：:Radon progeny are positively charged immediately after formation. A negatively charged electret collects radon progeny atoms which are produced in the diffusion chamber. The detector sensitivity may be increased by using an electret in front of solid state nuclear track detector. Dependence of detection sensitivity on...

journal_title：Health physics

authors： Nikezić D,Krstić D

更新日期：1995-12-01 00:00:00

abstract：:The U.S. National Oceanic and Atmospheric Administration's Field Research Division uses the HYRad-HYSPLIT dispersion model to assess hypothetical accidental releases of airborne radioactive materials at the Idaho National Laboratory in southeastern Idaho. The State of Idaho Department of Environmental Quality Idaho Na...

journal_title：Health physics

authors： Abbott ML

更新日期：2018-10-01 00:00:00

abstract：:Panasonic UD-801 thermoluminescent dosimeters ( TLDs ) containing two calcium sulfate phosphors were tested under Performance Specification 3.1 established by the American National Standard Institute ( ANSI75 ) and in the U.S. Nuclear Regulatory Commission's Regulatory Guide 4.13 ( NRC77 ). The specific qualifying tes...

journal_title：Health physics

authors： Toke LF,Carson BH,Baker GG,McBride MH,Plato PA,Miklos JA

更新日期：1984-05-01 00:00:00

abstract：:Internationally, the upper limit of acceptable individualized risk from occupational exposure for nuclear industry workers is determined by the death probability 10(-3) y(-1). The same risk value of 10(-3) y(-1) is established by the radiation safety standards currently in force in Russia. The United Nations Scientifi...

journal_title：Health physics

authors： Ivanov VK,Tsyb AF,Panfilov AP,Agapov AM,Kaidalov OV,Korelo AM,Maksioutov A,Chekin SY,Kashcheyeva PV

更新日期：2009-08-01 00:00:00

abstract：:A new 241Am lung monitoring system without shielding was devised by using an imaging plate system. The Lawrence Livermore National Laboratory's realistic torso phantom containing a 241Am lung was covered by imaging plates sealed in lightproof bags. The imaging plate system displayed 241Am lung images characteristic of...

journal_title：Health physics

authors： Hirota M,Kurihara O,Takada C,Takasaki K,Momose T,Deji S,Ito S,Saze T,Nishizawa K

更新日期：2007-07-01 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：:A model system was developed previously for disposal of solid laboratory waste that is both radioactive and heat sensitive, e.g., HIV. A double polypropylene bag with charcoal vent filter and absorbent was designed to meet requirements for both steam sterilization and disposal as solid radioactive waste. Earlier work ...

journal_title：Health physics

authors： Stinson MC,Green BL,Marquardt CJ,Ducatman AM

更新日期：1991-07-01 00:00:00

abstract：:The fusion research conducted at the Laboratory for Laser Energetics requires large amounts of tritium and generates brief but very high, neutron fluxes. This raises a number of radiological concerns that have been satisfactorily addressed via a combination of engineering controls, training, and administrative control...

journal_title：Health physics

authors： Karam PA,Pien G

更新日期：2001-11-01 00:00:00

abstract：:The U.S. Environmental Protection Agency (EPA) operates an environmentally controlled chamber for purposes of exposing various radon and decay product measurement equipment to known (222)Rn concentrations. Exposure durations range from 1 h to several months, and (222)Rn concentrations vary between 37 and 4,440 Bq m(-3...

journal_title：Health physics

authors： Ronca-Battista M,Budd G,McLemore S

更新日期：2013-02-01 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

authors： Hamby DM

更新日期：1992-06-01 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：: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：:Beagle dogs were given subcutaneous implants of plutonium in their forepaws to mimic hand wounds received by workers accidentally contaminated with plutonium. Ten dogs received 9.46 +/- 0.43 mu Ci of plutonium oxide, and eight dogs received 1.25 +/- 0.60 mu Ci of plutonium nitrate. Surviving dogs were sacrificed at 8 ...

journal_title：Health physics

authors： Dagle GE,Bristline RW,Lebel JL,Watters RL

更新日期：1984-07-01 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：:Experiments were performed with 30 11 cm × 42.5 cm × 5.5 cm NaI(Tl) detectors to better understand their positional response. Spectra were collected using 0.02 to 0.15 MBq point sources of Am, Cs, Co, and Ba positioned on lines parallel and perpendicular to the long axis of the crystal along both the narrow and wide d...

journal_title：Health physics

authors： Noey JD,Xiao JB,DiFulvio A,Sulieman NA,Carmona MA,Chung LK,El-Amir IN,Frank SJ,Liu K,Schiefer K,Seekamp JM,Sosa CS,Trimas DJ,Vyas AP,Kearfott KJ

更新日期：2019-10-01 00:00:00

abstract：:A comparison of the risk coefficients for 239Pu- or 226Ra-induced bone cancer in two canine breeds, one with a relatively low (beagle) and the other with a very high (St. Bernard) natural incidence, indicated only slightly higher risk in the giant breed. The differences in risk for skeletal malignancy in 239Pu and 226...

journal_title：Health physics

authors： Taylor GN,Lloyd RD,Mays CW,Miller SC,Jee WS,Mori S,Shabestari L,Li XJ

更新日期：1997-10-01 00:00:00

abstract：:Experimental measurements of velocity and tracer gas concentration are taken in a straight tube to evaluate the effectiveness of mixing in achieving conditions as required by ANSI N13.1-1999 for single point extractive sampling from stacks and ducts of nuclear facilities. Mixing is evaluated for inlet turbulent intens...

journal_title：Health physics

authors： Anand M,McFarland AR,Rajagopal KR

更新日期：2003-01-01 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：:This study provides a retrospective assessment of doses to 13 organs for the most common radiographic examinations conducted between the 1930s and 2010, taking into account typical technical parameters used for radiography during those years. This study is intended to be a resource on changes in medical diagnostic rad...

journal_title：Health physics

authors： Melo DR,Miller DL,Chang L,Moroz B,Linet MS,Simon SL

更新日期：2016-09-01 00:00:00

abstract：:Fallout 137Cs levels in soil were measured at 11 diverse sites throughout Montana. Concentrations in near-surface samples ranged from 20-200 mBq g-1 (0.51-5.41 pCi g-1). Most of the 137Cs was in the top 10 cm of soil. Deeper occurrences were attributed to disturbances by animals and to interstitial flow of small sedim...

journal_title：Health physics

authors： Arnalds O,Cutshall NH,Nielsen GA

更新日期：1989-12-01 00:00:00

abstract：:A study on absorption of radon by different edible oils of plant origins produced and used in India was conducted in order to identify efficient radon-absorbing oils. A comparative study of radon absorption by edible oils of India with that of olive oil, which is known as a good absorber of radon, was also carried out...

journal_title：Health physics

authors： Karunakara N,Al-Azmi D

更新日期：2010-04-01 00:00:00

abstract：:Environmental releases of tritium oxide at a number of Department of Energy nuclear weapons facilities contribute to a significant portion of environmental dose. Several conversion factors are utilized in the estimation of human impact from these releases, e.g., dispersion coefficients, consumption rates, uptake facto...

journal_title：Health physics

authors： Hamby DM

更新日期：1999-09-01 00:00:00

abstract：:In 1980, the NCRP formed Scientific Committee 66 with an assignment to address the subject of "biological effects of ultrasound and exposure criteria." It was recognized that the primary source of exposure to ultrasound was through medical applications and, especially, through procedures employing diagnostic ultrasoun...

journal_title：Health physics

authors： Nyborg WL

更新日期：2002-05-01 00:00:00

abstract：:We have simulated the head geometry of a Varian Clinac 2100C/2300C medical accelerator in a Monte Carlo calculation to produce photoneutrons and transport them through the head shielding into a typical therapy room (modeled by a test cell at Varian Associates). The fast neutron leakage fluence and energy spectra have ...

journal_title：Health physics

authors： Kase KR,Mao XS,Nelson WR,Liu JC,Kleck JH,Elsalim M

更新日期：1998-01-01 00:00:00

abstract：:In November 2007, the Wisconsin Division of Public Health Hospital Disaster Preparedness Program State Expert Panel on Radiation Emergencies issued a report titled The Management of Patients in a Radiological Incident. Gundersen Lutheran Health System was selected to conduct a demonstration project to implement the re...

journal_title：Health physics

authors： Jafari ME

更新日期：2010-08-01 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：:Following the 1986 Chernobyl event, large amounts of radioactive materials were deposited in nearby areas. Concentrations of various radionuclides were measured in air and surface soil. To study the resuspension of radioactive particulate, three different exposure situations were developed on the basis of the collecte...

journal_title：Health physics

authors： Nair SK,Miller CW,Thiessen KM,Garger EK,Hoffman FO

更新日期：1997-01-01 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