Results 21 to 30 of about 76,266 (294)

Model of AlGaN/GaN based on High Electron Mobility Transistors using SILVACO ATLAS™ [PDF]

open access: yesE3S Web of Conferences
Since the introduction of semiconductors, the world has undergone numerous profound transformations during the past few decades. With advancements in technology, semiconductor products' performance requirements keep rising.
El-Yazami Chaimae   +2 more
doaj   +1 more source

MAX-DOAS measurements of tropospheric NO2 and HCHO in Munich and the comparison to OMI and TROPOMI satellite observations [PDF]

open access: yesAtmospheric Measurement Techniques, 2020
We present two-dimensional scanning Multi-AXis Differential Optical Absorption Spectroscopy (MAX-DOAS) observations of nitrogen dioxide (NO2) and formaldehyde (HCHO) in Munich.
K. L. Chan   +8 more
doaj   +1 more source

MIM waveguide structure consisting of a semicircular resonant cavity coupled with a key-shaped resonant cavity.

open access: yesOptics Express, 2020
We describe the optical transmission properties of a surface plasmon polariton waveguide structure consisting of a metal-insulator-metal (MIM) waveguide and a semicircular resonant cavity coupled with a key-shaped resonant cavity.
Jun Zhu, Na Li
semanticscholar   +1 more source

Higher performance enhancement of direct torque control by using Space Vector Modulation for doubly fed induction machine [PDF]

open access: yesE3S Web of Conferences
This research work aims at current literature review and extensive performance improvement in Direct Torque Control using Space Vector Modulation (DTC-SVM) by considering Doubly Fed Induction Machines.
Gouaamar Radouan   +3 more
doaj   +1 more source

Mathematical Model for Production Plan Optimization—A Case Study of Discrete Event Systems

open access: yesMathematics, 2020
This paper proposes an optimal scheduling model under production and maintenance constraints for a real case of a discrete event system. The intent was to use the rich mathematical theory and algorithms of optimization in the study of this important ...
Sadok Rezig   +3 more
doaj   +1 more source

Software compatibility analysis for quantitative measures of [18F]flutemetamol amyloid PET burden in mild cognitive impairment

open access: yesEJNMMI Research, 2023
Rationale Amyloid-β (Aβ) pathology is one of the earliest detectable brain changes in Alzheimer’s disease pathogenesis. In clinical practice, trained readers will visually categorise positron emission tomography (PET) scans as either Aβ positive or ...
Hugh G. Pemberton   +11 more
doaj   +1 more source

Mim-Width I. Induced path problems

open access: yesDiscrete Applied Mathematics, 2020
We initialize a series of papers deepening the understanding of algorithmic properties of the width parameter maximum induced matching width (mim-width) of graphs.
L. Jaffke, O-joung Kwon, J. A. Telle
semanticscholar   +1 more source

Compute Optimization of Petri Net Controllers Using the Algebraic Method

open access: yesApplied Sciences, 2019
This study attempted to calculate an optimal Petri net supervisor able to respect the control specifications imposed for a flexible manufacturing system. There are several theories around the control synthesis of discrete event systems.
Sadok Rezig, Sadok Turki, Nidhal Rezg
doaj   +1 more source

Optimal Manufacturing-Reconditioning Decisions in a Reverse Logistic System under Periodic Mandatory Carbon Regulation

open access: yesApplied Sciences, 2020
Due to environmental concerns, firms are under increasing pressure to comply with legislations and to take up environmental strategies. This leads researchers and firms to develop new sustainable supply chains, where a new area has emerged for a ...
Sadok Turki   +3 more
doaj   +1 more source

Working With Refugees' Health During COVID-19—The Experience of Health- and Social Care Workers in Sweden

open access: yesFrontiers in Public Health, 2022
IntroductionIn Sweden, often seen as one of the most egalitarian countries, the COVID-19 pandemic exposed high levels of health inequality, especially harming people with a refugee background.
Elisabeth Mangrio   +5 more
doaj   +1 more source

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