Results 101 to 110 of about 2,461,604 (426)

Ionizing Radiation [PDF]

open access: yes, 2010
Non
Brent, Robert L, Dr.
core   +2 more sources

Does Occupational Exposure of Shahid Dastghieb International Airport Workers to Radiofrequency Radiation Affect Their Short Term Memory and Reaction Time?

open access: yesJournal of Biomedical Physics and Engineering, 2015
Background: Airport workers are continuously exposed to different levels of radiofrequency microwave (RF/MW) radiation emitted by radar equipments. Radars are extensively used in military and aviation industries.
Jarideh S.   +10 more
doaj  

18F‐FDG PET/CT imaging of several asymptomatic skeletal muscle metastases of mixed germ cell ovarian cancer

open access: yesClinical Case Reports, 2023
Key Clinical Message Metastasis to muscles caused by ovarian cancer is very rare and has a poor prognosis. Performing a whole‐body F18‐FDG PET/CT scan makes it possible to examine the whole body in one study and detected lesions in unexpected places.
Maryam Abdinejad, Mehrosadat Alavi
doaj   +1 more source

Evaluation of the effect of metal stents on dose perturbation in the carbon beam irradiation field

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Propose Carbon ion therapy is indicated for cases in which stents have been inserted, such as bile ducts, but the effect of metal stents on carbon ion therapy is unclear. In this study, the dose perturbation of carbon ion therapy caused by metallic bile duct stents was evaluated by dosimetry. Materials and methods Five different types of metal
Yuya Miyasaka   +8 more
wiley   +1 more source

Effect of ionizing radiation towards human health: a review [PDF]

open access: yes, 2018
This paper reviews the properties, process and effect of ionizing radiation towards human health. Ionizing radiation is a radiation that carries enough energy to liberate electrons from atoms or molecules, thereby ionizing them. Ionizing radiation is
Abu Bakar, Nurul Fathihah   +3 more
core  

Lower Redshift Analogues of the Sources of Reionization

open access: yes, 2012
Known populations of QSOs appear to fall short of producing the ionizing flux required for re-ionizing the universe. The alternative, galaxies as sources of ionizing photons, suffers from the problem that known types of galaxies are almost completely ...
Rauch, Michael
core   +1 more source

Commissioning of Halcyon enhanced leaf model in the Eclipse treatment planning system: Focus on simple slit fields and VMAT dose calculation

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose The dual‐layer multileaf collimator (MLC) in Halcyon adds complexities to the dose calculation process owing to the variability of dosimetric characteristics with leaf motion. Recently, an enhanced leaf model (ELM) was developed to refine the MLC model in the Eclipse treatment planning system. This study investigates the performance of
Ryohei Miyasaka   +6 more
wiley   +1 more source

Inside-out or Outside-in: The topology of reionization in the photon-starved regime suggested by Lyman-alpha forest data [PDF]

open access: yes, 2008
We use a set of semi-numerical simulations based on Zel'dovich approximation, friends-of-friends algorithm and excursion set formalism to generate reionization maps of high dynamic range with a range of assumptions regarding the distribution and luminosity of ionizing sources and the spatial distribution of sinks for the ionizing radiation.
arxiv   +1 more source

Photometry of ionizing radiations

open access: yesNuclear Energy and Technology, 2015
AbstractPossibility to develop telemetry system for remote control of radiation environment in the preset points in space was examined and practically implemented. The system is based on the capability of certain media to emit visible-light photons under ionizing radiation.
Vladimir Alekseevich Talalaev   +2 more
openaire   +3 more sources

Dose rate correction of a diode array for universal wedge field dosimetric verification

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose To study the performance of MapCHECK 3 (MC3) in measuring universal wedge fields and propose a dose rate correction strategy to improve MC3 measurement accuracy. Materials and methods Universal wedge fields with different wedge angles and field sizes were measured at different depths using MC3.
Linyi Shen   +6 more
wiley   +1 more source

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