Results 31 to 40 of about 1,327,251 (363)
Two-way tuning of structural order in metallic glasses
Nature Communications, 2020 While metallic glasses are expected to have tunable structures, these have rarely been demonstrated. Here, the authors combine temperature and pressure to show a two-way structural tuning in rare earth-based metallic glasses beyond the nearest-neighbor ...
Hongbo Lou +14 more
doaj +1 more source
Treatment planning with a 2.5 MV photon beam for radiation therapy
Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022 Abstract Purpose The shallow depth of maximum dose and higher dose fall‐off gradient of a 2.5 MV beam along the central axis that is available for imaging on linear accelerators is investigated for treatment of shallow tumors and sparing the organs at risk (OARs) beyond it.
Navid Khaledi +5 more
wiley +1 more source
Extragalactic X-ray discrete sources
Вісник Астрономічної школи, 2020 Extra-galactic X-ray research with the launch of XMM-Newton has become the forefront of X-ray astronomy. X-ray sources outside our galaxy are the other galaxies – normal galaxies, radio galaxies, quasars, blazars, Seyfert galaxies, as well as extended ...
L. V. Zadorozhna +2 more
doaj +1 more source
Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022 Abstract Purpose The aim of this work was to evaluate the SunCHECK PerFRACTION, the software for in vivo monitoring using EPID images. Materials/Methods First, the PerFRACTION ability to detect errors was investigated simulating two situations: (1) variation of LINAC output and (2) variation of the phantom thickness.
Samuel Ramalho Avelino +3 more
wiley +1 more source
Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022 Abstract This study aims to investigate the effects of the position correction of size‐specific dose estimates (SSDE) on patient dose estimation in cone beam computed tomography (CBCT). The relationship between the phantom position and absorbed dose in the right breast was studied using optically stimulated luminescence dosimeters and a simulated human
Hiroyuki Ueno +3 more
wiley +1 more source
Long-term X-ray Variability of Ultraluminous X-ray Sources [PDF]
, 2015 Long-term X-ray modulations on timescales from tens to hundreds of days have been widely studied for X-ray binaries located in the Milky Way and the Magellanic Clouds.
Chou, Y. +5 more
core +2 more sources
Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022 Abstract The present study was conducted as part of a comprehensive work to establish National Diagnostic Reference Levels (NDRLs) in Sri Lanka for the first time. DRLs can be used as an effective optimization tool for identifying unusually high or low patient doses during X‐ray examinations.
Sachith Welarathna +3 more
wiley +1 more source
The novel high-pressure/high-temperature compound Co12P7 determined from synchrotron data
Acta Crystallographica Section E: Crystallographic Communications, 2020 The structural properties of cobalt phosphides were investigated at high pressures and temperatures to better understand the behavior of metal-rich phosphides in Earth and planetary interiors. Using single-crystal X-ray diffraction synchrotron data and a
Claire Zurkowski +5 more
doaj +1 more source
Extragalactic X-ray Sources and the X-ray Background [PDF]
Monthly Notices of the Royal Astronomical Society, 1975 M. Rowan-Robinson, A. C. Fabian
openalex +3 more sources
Local structure of liquid gallium under pressure
Scientific Reports, 2017 In situ high energy X-ray pair distribution function (PDF) measurements, microtomography and reverse Monte Carlo simulations were used to characterize the local structure of liquid gallium up to 1.9 GPa.
Renfeng Li +10 more
doaj +1 more source