environmental radiation dose rates
Radiology dose assessment of naturally occurring radioactive materials at petroleum gas separation stations in Rumaila, Iraq
... radiological dose from naturally occurring radioactive materials (NORMs) generated by petroleum gas separation stations remains ...unwanted radiation exposure, and minimization of environmental ...
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Determination of surface radiation dose-rate in the environment of Kelantan State, Malaysia
... of environmental surface radiation dose rate in Kelantan state, Malaysia was carried out using a portable hand held radiation survey meter and Global Positioning System ...surface ...
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Non-uniform radiation-induced biological responses at the tissue level involved in the health risk of environmental radiation: a radiobiological hypothesis
... the radiation type and dose ...in radiation track struc- tures [12]. This also impacts on the dose per cell deliv- ered by individual tracks at low doses which will be radiation quality ...
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Environmental radiology assessment in Lahad Datu, Sabah
... gamma radiation is crucial to prepare a baseline data for environmental radiological ...gamma radiation level in the area. We measure the terrestrial gamma radiation dose rates ...
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Assessment of Radiation Dose for Non Radiation Workers in the Medical Field Practices
... expanded radiation field, in the ICRU sphere at a depth d, on the radius vector op- posing the direction of radiation ...penetrating radiation it is d = 10 mm and H*(d) is written ...the ...
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Continuous hyperfractionated accelerated radiotherapy - Escalated dose (CHART-ED): A phase i study
... Lung cancer is the leading cause of cancer mortality worldwide with approximately 38,000 new cases diagnosed annually in the UK alone 2 . Non-Small Cell Lung Cancer (NSCLC) accounts for approximately 80% of all lung ...
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Abdominal irradiation modulates 5 Fluorouracil pharmacokinetics
... With abdominal RT, including intent-to-treat hepatic lesions, it is usually inevitable to irradiate part of the liver, the largest organ occupying at least one third of the upper abdomen. Since the liver is the major ...
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Proton therapy for early stage prostate cancer: is there a case?
... the physical properties of protons that confer a dosimetric advantage and make using PBT as a source of therapeutic radiation attractive. This physical property results in the majority of energy deposited at the ...
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Title: IDENTIFICATION OF HEAD AND NECK CANCER BY USING DECISION TREE CLASSIFIER
... [1] Q.Wu,M.Manning, R. Schmidt-Ullrich, and R. Mohan, ―The potential for sparing of parotids and escalation of biologically effective dose with intensity-modulated radiation treatments of head and neck ...
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Natural Radiation Dose and Geomagnetic Effect
... cosmic radiation N , distributed according to the measuring sites (some of the main meteorological stations in Croatia) marked on Figure ...neutron dose rate was as follows ...
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Radiation dose affected by mammographic composition and breast size: first application of a radiation dose management system for full field digital mammography in Korean women
... higher rates of dense breasts and small breasts as well as a younger age of breast cancer onset ...diation dose, including mammographic breast compos- ition and mammographic breast ...diation dose ...
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Lunar radiation environment and space weathering from the Cosmic Ray Telescope for the Effects of Radiation (CRaTER)
... atmosphere, GCRs directly bombard and chemically alter and erode the regolith. For planets and moons with atmo- spheres, the increased GCR fluxes will cause elevated energy deposition in the atmosphere, heating, and ...
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Radiation dose assessment : measurement, estimation and interpretation
... in dose calculations in this portfolio of work (Thompson et ...measured dose for that organ. However, as will be discussed, effective dose calculations do not account for male and female breast ...
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How Serious Is Threat of Radiological Terrorism?
... liberate use of radioactive material to cause destruction, contamination, and injury (18). Terrorists can employ a va- riety of active and passive methods to disseminate or expo- se people to the radioactive material. ...
5
Radiation field size and dose determine oncologic outcome in esophageal cancer
... a radiation oncologist and treated with Def-CRT (n = 49, 66 %) with no planned esopha- gectomy, and the second group comprised patients seen first by a thoracic surgeon and referred for Pre-CRT (n = 25, 34 ...
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Natural environmental radioactivity in the soil of Terengganu State, Malaysia
... gamma radiation dose rate (TGRD) of Kelantan State, Malaysia: Relationship between the geological formation and soil type to radiation dose ...
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Medical Management of Radiological Casualties pdf
... of radiation (20–40 ...of radiation required to cause this syndrome, person- nel close enough to a nuclear explosion to receive such high doses would generally be located well within the range of 100% ...
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Is Use of Radiation Hormesis the Missing Link to a Better Cancer Treatment?
... low-dose radiation before surgically replacing the tumor—50% of these mice would return to perfect health, whereas the other 50% had their cancers return, but slowed 5 times longer than the ...second ...
5
Assessment of Natural Radioactivity Levels and Radiation Dose Rate in Some Soil Samples from Historical Area, AL RAKKAH, Saudi Arabia
... The aim of the present work was to determine the activity concentrations of 226 Ra, 232 Th and 40 K in the soil samples from a historical area which was discovered in east of Saudi Arabia at 2009 G, Called Al-RAKKAH. In ...
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TWO TYPES OF DOSE-RATE DEPENDENCE OF RADIATION-INDUCED MUTATION RATES IN SPERMATOGONIA AND OÖGONIA OF THE SILKWORM
... and acute irradiation, i.e., between chronic 1 and the average of acute 1 and 2; and between chronic 2 and the average of acute 3 and 4 (Table 5 ) , one may again notice two r[r] ...
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