Variation in Elekta iView electronic portal imager pixel scale factor with gantry angle, and impact on multi‐leaf collimator quality assurance
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13661
Abstract: Abstract For Elekta Agility linear accelerators, the iViewGT electronic portal imaging device (EPID) is positioned at a nominal X‐Ray source‐to‐panel distance of 1600 mm. For display, image registration, and data processing purposes, the image pixels… read more here.
Keywords: electronic portal; leaf collimator; multi leaf; gantry ... See more keywords
Validation of pencil beam scanning proton therapy with multi‐leaf collimator calculated by a commercial Monte Carlo dose engine
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13817
Abstract: Abstract This study aimed to evaluate the clinical beam commissioning results and lateral penumbra characteristics of our new pencil beam scanning (PBS) proton therapy using a multi‐leaf collimator (MLC) calculated by use of a commercial… read more here.
Keywords: collimator; multi leaf; beam; beam scanning ... See more keywords
Reducing cardiac doses: a novel multi‐leaf collimator modification technique to reduce left anterior descending coronary artery dose in patients with left‐sided breast cancer
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Medical Radiation Sciences"
DOI: 10.1002/jmrs.191
Abstract: When irradiating the left breast, a small portion of the heart and left anterior descending coronary artery (LAD) are often included in the treatment field. Deep inspiration breath‐hold (DIBH) techniques reduce dose to coronary structures,… read more here.
Keywords: leaf collimator; multi leaf; coronary artery; descending coronary ... See more keywords
Multivariate log file analysis for multi-leaf collimator failure prediction in radiotherapy delivery
Sign Up to like & getrecommendations! Published in 2020 at "Physics and Imaging in Radiation Oncology"
DOI: 10.1016/j.phro.2020.07.011
Abstract: Background and Purpose Motor failure in multi-leaf collimators (MLC) is a common reason for unscheduled accelerator maintenance, disrupting the workflow of a radiotherapy treatment centre. Predicting MLC replacement needs ahead of time would allow for… read more here.
Keywords: multi leaf; analysis; log file; mlc replacement ... See more keywords
Numerical and experimental studies on the thermal and static characteristics of multi-leaf foil thrust bearing
Sign Up to like & getrecommendations! Published in 2021 at "Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology"
DOI: 10.1177/13506501211011019
Abstract: Foil bearing is considered to be a promising supporting technology in high-speed centrifugal machinery. Due to the high-speed shearing effect in the viscous lubricant film, heat generation could not be ignored. In this paper, a… read more here.
Keywords: foil thrust; leaf foil; bearing; foil ... See more keywords
Dynamics stand tests and numerical research of multi-leaf springs with regard to clearances and friction
Sign Up to like & getrecommendations! Published in 2019 at "Advances in Mechanical Engineering"
DOI: 10.1177/1687814019853353
Abstract: The article deals with investigations of a prototype single and double multi-leaf spring composed of a four-leaf main spring and a double-leaf supporting spring subjected to the cyclic loads. A methodology of a measurement conducted… read more here.
Keywords: clearances friction; multi leaf; research; spring ... See more keywords
Genetic Architecture of Heterophylly: Single and Multi-Leaf Genome-Wide Association Mapping in Populus euphratica
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Plant Science"
DOI: 10.3389/fpls.2022.870876
Abstract: Heterophylly is an adaptive strategy used by some plants in response to environmental changes. Due to the lack of representative plants with typical heteromorphic leaves, little is known about the genetic architecture of heterophylly in… read more here.
Keywords: multi leaf; populus euphratica; architecture heterophylly; single multi ... See more keywords
Effect of a Novel Dowel and Cramp on the In-Plane Behavior of Multi-Leaf Stone Masonry Walls Proposed for Modern Masonry Buildings
Sign Up to like & getrecommendations! Published in 2023 at "Buildings"
DOI: 10.3390/buildings13051235
Abstract: This study discusses the experimental assessment of the in-plane mechanical behavior of a multi-leaf stone masonry wall built from cut stone and reinforced with metal connectors (cramps and dowels). Inspired by conventional multi-leaf stone walls,… read more here.
Keywords: masonry; multi leaf; stone masonry; plane ... See more keywords