Results 31 to 40 of about 415,480 (301)

Electrodiagnostic profile of conduction slowing in amyotrophic lateral sclerosis

open access: yesHeliyon, 2023
Objective: Since motor nerve conduction slowing can occur due to loss of large axons, we investigate the conduction slowing profile in amyotrophic lateral sclerosis (ALS) and identify the limits beyond which the diagnosis of exclusive axonal loss is ...
Nizar Souayah   +6 more
doaj   +1 more source

AC vs. DC Boost Converters: A Detailed Conduction Loss Comparison [PDF]

open access: yes, 2019
Studies have shown the efficiency benefits of DC dis- tribution systems are largely due to the superior performance of DC/DC converters. Nonetheless, these studies are often based on product data that differs widely in manufacturer and operating voltage.
Gerber, Daniel, Musavi, Fariborz
core   +3 more sources

Gentamicin‐induced sensorineural auditory loss in healthy adult horses

open access: yesJournal of Veterinary Internal Medicine, 2021
Background Irreversible sensorineural auditory loss has been reported in humans treated with aminoglycosides but not in horses. Objective Investigate if auditory loss occurs in horses treated using the recommended IV daily dosage of gentamicin for 7 ...
Monica R. Aleman   +5 more
doaj   +1 more source

Modeling Inverter Losses for Circuit Simulation [PDF]

open access: yes, 2004
Transformer-like inverter models can represent a very good alternative to common switch-diode models for simulation, reducing convergence problems and/or calculation time.
Fratta, Antonino, Scapino, Federico
core   +1 more source

A Model of Heat Conduction

open access: yes, 2008
We define a deterministic ``scattering'' model for heat conduction which is continuous in space, and which has a Boltzmann type flavor, obtained by a closure based on memory loss between collisions.
C.T. Ionescu Tulcea   +5 more
core   +2 more sources

Investigation on filter requirements and stability effects of SiC MOSFET-based high-frequency grid-connected converters

open access: yesThe Journal of Engineering, 2019
The new era of power semiconductor devices is exploiting the high potential of wide bandgap device-based high-frequency power converters. The advanced capabilities of Silicon carbide (SiC) semiconductors allow the power converters to switch at higher ...
Blessy John   +3 more
doaj   +1 more source

Electron Energy-Loss Spectroscopy: A versatile tool for the investigations of plasmonic excitations

open access: yes, 2014
The inelastic scattering of electrons is one route to study the vibrational and electronic properties of materials. Such experiments, also called electron energy-loss spectroscopy, are particularly useful for the investigation of the collective ...
Büchner, Bernd   +4 more
core   +1 more source

Influence of Conduction Angles on Single Layer Switched Reluctance Machines [PDF]

open access: yes, 2016
This paper investigates the influence of conduction angles on the performances of two 3-phase 12-slot/8-pole short pitched switched reluctance machines (SRMs): single layer SRM with conventional winding (SL-CSRM), and single layer SRM with mutually ...
Jewell, G.W.   +4 more
core   +1 more source

Plasmons on the edge of MoS2 nanostructures [PDF]

open access: yes, 2014
Using ab initio calculations we predict the existence of one-dimensional (1D), atomically confined plasmons at the edges of a zigzag MoS2 nanoribbon. The strongest plasmon originates from a metallic edge state localized on the sulfur dimers decorating ...
Andersen, Kirsten   +2 more
core   +2 more sources

Power loss investigation in HVDC for cascaded H-bridge multilevel inverters (CHB-MLI) [PDF]

open access: yes, 2015
In the last decade, the use of voltage-source multilevel inverters in industrial and utility power applications has been increased significantly mainly due to the many advantages of multilevel inverters, compared to conventional two level inverters ...
Alamri, B, Darwish, M
core   +1 more source

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