Results 121 to 130 of about 245,253 (373)
Journal of Applied Clinical Medical Physics, EarlyView.Abstract Purpose Single‐isocenter multitarget (SIMT) radiosurgery has become increasingly popular as advancement in planning and delivery systems have made this approach clinically viable. With targets varying in size and distance from isocenter, SIMT plans are highly complex with dynamic multileaf collimator (MLC) motion.
Hem Moktan +3 more
wiley +1 more source
Escuela Abierta, 2019 El autor compara el esplendor de la poesía y los poetas en el reinado de al-Mutamid de Sevilla y su posterior decadencia con "otro eclipse" -el del último cuarto de este siglo- en el que, según su opinión, la poesía no tiene el valor de antaño y los ...
Juan Andivia Gómez
doaj +2 more sources
Journal of Applied Clinical Medical Physics, EarlyView.Abstract Background To assess the dose‐sparing capabilities of a yaw‐limited volumetric modulated arc therapy (YL_VMAT) beam setup for adjacent organs at risk (OAR) in comparison with 3D‐conventional radiation therapy (3D‐CRT), intensity‐modulated radiation therapy (IMRT) and conventional VMAT for radiation therapy in left‐sided breast cancer patients.
Gerhard Pollul +4 more
wiley +1 more source
Ionospheric response over Europe during the solar eclipse of March 20, 2015
, 2016 The solar eclipse on March 20, 2015 was a fascinating event for people in Northern Europe. From a scientific point of view, the solar eclipse can be considered as an in situ experiment on the Earth’s upper atmosphere with a well-defined switching off and
M. M. Hoque +9 more
semanticscholar +1 more source
Journal 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
IX. A determination of the deflection of light by the sun's gravitational field, from observations made at the total eclipse of May 29, 1919 [PDF]
, 1920 Frank Watson Dyson +2 more
openalex +1 more source
Nature, 1872 IT does not happen more than once in a lifetime to see such a glorious and magnificent sight as that from which I have just returned; that is, the total eclipse of the sun. I have seen many eclipses before, but never anything to equal this. I was engaged to go with the Morgans to the top of the hill to see it.
openaire +2 more sources
Closing the gap in plan quality: Leveraging deep‐learning dose prediction for adaptive radiotherapy
Journal of Applied Clinical Medical Physics, EarlyView.Abstract Purpose Balancing quality and efficiency has been a challenge for online adaptive therapy. Most systems start the online re‐optimization with the original planning goals. While some systems allow planners to modify the planning goals, achieving a high‐quality plan within time constraints remains a common barrier.
Sean J. Domal +9 more
wiley +1 more source
The Eclipsing Cataclysmic Variables PHL 1445 and GALEX J003535.7+462353 [PDF]
arXiv, 2011 PHL 1445 is found to be an eclipsing cataclysmic variable with an orbital period of 76.3 minutes. GALEX J003535.7+462353 is a new eclipsing dwarf nova with an orbital period of 4.13 hours. Both objects show deep eclipses with an amplitude of more than two magnitudes.
arxiv