Articles with "entrance" as a keyword



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Determination of the photon spectrum of a therapeutic linear accelerator near the maze entrance: Comparison of Monte Carlo modeling and measurements using scintillation detectors corrected for pulse pile-up.

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Published in 2020 at "Medical physics"

DOI: 10.1002/mp.14304

Abstract: PURPOSE The determination of X-ray spectra near the maze entrance of linear accelerator (LINAC) rooms is challenging due to the pulsed nature of the LINAC source. Mathematical methods to account for pulse pile-up have been… read more here.

Keywords: maze entrance; monte carlo; spectrum; scintillation detectors ... See more keywords
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Transonic flow instability in the entrance region of a channel with breaks of walls

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Published in 2017 at "Archive of Applied Mechanics"

DOI: 10.1007/s00419-017-1248-7

Abstract: We study numerically turbulent flow of the air in a channel with breaks of walls. The flow is supersonic downstream of the break section and in the free stream. Instability of shock waves formed in… read more here.

Keywords: flow instability; breaks walls; channel breaks; transonic flow ... See more keywords
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Analysis of sedimentation at the fishing harbor entrance: case study of El-Burullus, Egypt

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Published in 2018 at "Journal of Coastal Conservation"

DOI: 10.1007/s11852-018-0624-y

Abstract: Sedimentation in artificial ports and harbors is a common issue throughout the world. Based on an assessment of the coastal fishing harbors in Egypt, the El-Burullus fishing harbor has been found to suffer severely from… read more here.

Keywords: harbor; study; sedimentation; harbor entrance ... See more keywords
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Comparison of attraction, entrance and passage of downstream migrant American eels (Anguilla rostrata) through airlift and siphon deep entrance bypass systems

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Published in 2019 at "Ecological Engineering"

DOI: 10.1016/j.ecoleng.2018.10.011

Abstract: © 2018 Downstream migrating anguillid eels face many barriers including turbines and pumps at impoundments for water abstraction, power generation and water level control, when attempting to exit the freshwater catchment to reach spawning grounds.… read more here.

Keywords: bypass; airlift siphon; downstream; passage ... See more keywords
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Adenosine-sensitive atrial tachycardia originating from the para-Hisian region with the entrance of a slow conduction zone at the noncoronary aortic sinus

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Published in 2020 at "HeartRhythm Case Reports"

DOI: 10.1016/j.hrcr.2020.04.011

Abstract: In adenosine-sensitive AT cases, noncoronary aortic sinus (NCS) could be a target for ablation even if the NCS is not activated the earliest because there may be cases in which the NCS is located at… read more here.

Keywords: adenosine sensitive; sensitive atrial; aortic sinus; noncoronary aortic ... See more keywords
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Propagation of a height contained hydraulic fracture in turbulent flow regimes

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Published in 2017 at "International Journal of Solids and Structures"

DOI: 10.1016/j.ijsolstr.2016.12.029

Abstract: Abstract We investigate theoretically and numerically the impact of the transition from laminar to turbulent flow on the propagation of a height contained hydraulic fracture (i.e. PKN geometry). We account for the inertial terms in… read more here.

Keywords: transition; fracture; reynolds number; number ... See more keywords
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“All India AYUSH post graduation entrance exam - Right method to choose the right minds for Ayurveda?”

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Published in 2020 at "Journal of Ayurveda and Integrative Medicine"

DOI: 10.1016/j.jaim.2019.12.002

Abstract: We have read the review article entitled “What do Ayurveda Postgraduate Entrance Examinations actually assess?” Results of a five year period question paper analysis based on Bloom's taxonomy published in your journal [1]. What do… read more here.

Keywords: post graduation; graduation entrance; entrance exam; entrance ... See more keywords
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Are Multiple Choice Questions for Post Graduate Dental Entrance Examinations Spot On?-Item Analysis of MCQs in Prosthodontics in India.

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Published in 2018 at "Journal of the National Medical Association"

DOI: 10.1016/j.jnma.2017.11.001

Abstract: BACKGROUND Construction of appropriate test items is a challenge in preparing quality multiple choice questions. Item analysis provides valuable feedback data on validity of multiple choice questions. The present study was conducted to evaluate the… read more here.

Keywords: item analysis; choice questions; entrance; multiple choice ... See more keywords
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Structural Features and Energetics of the Periplasmic Entrance Opening of the Outer Membrane Channel TolC Revealed by Molecular Dynamics Simulation and Markov State Model Analysis

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Published in 2019 at "Journal of chemical information and modeling"

DOI: 10.1021/acs.jcim.8b00957

Abstract: TolC is a channel protein responsible for substrate translocation across the outer membrane, and it is also a part of the tripartite multidrug efflux pumps in Gram-negative bacteria. The crystal structure of TolC shows that… read more here.

Keywords: markov state; periplasmic entrance; outer membrane; tolc ... See more keywords
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Entrance Effects Induced Rectified Ionic Transport in a Nanopore/Channel.

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Published in 2018 at "ACS sensors"

DOI: 10.1021/acssensors.7b00793

Abstract: The nanofluidic diode, as one of the emerging nanofluidic logic devices, has been used in many fields such as biosensors, energy harvesting, and so on. However, the entrance effects of the nanofluidic ionic conductance were… read more here.

Keywords: ionic conduction; entrance effects; surface; model ... See more keywords
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Engineering the Entrance of a Flavonoid Glycosyltransferase Promotes the Glycosylation of Etoposide Aglycone.

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Published in 2022 at "ACS synthetic biology"

DOI: 10.1021/acssynbio.2c00032

Abstract: Enzyme entrances, which function as the first molecular filters, influence substrate selectivity and enzymatic activity. Because of low binding affinities, engineering enzyme entrances that recognize non-natural substrates is a major challenge for artificial biocatalyst design.… read more here.

Keywords: entrance flavonoid; flavonoid glycosyltransferase; etoposide aglycone; engineering ... See more keywords