Results 21 to 30 of about 67,614 (310)

A Joint Production and Maintenance Optimization of Closed-Loop Production System under Carbon Emission with a Switching Subcontractor Consideration

Applied Sciences, 2019
This study outlines a new forecasting problem of closed-loop production system under environmental aspect by proposing a new solution based on subcontracting.
Zied Hajej, Nidhal Rezg, Salim Bouslikhane   +2 more
doaj   +1 more source

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

E3S 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, Bri Seddik, El Fadl Adiba   +2 more
doaj   +1 more source

Multiscale Innovative Materials and Structures (MIMS) [PDF]

Nanomaterials, 2021
Increasing attention is growing towards advanced multiscale metamaterials and nanostructures, due to recent developments in nanoscience and nanotechnology [...]
Raffaele Barretta, Domenico De Tommasi, Fernando Fraternali   +2 more
openaire   +4 more sources

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

Atmospheric 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, M. Wiegner, J. van Geffen, I. De Smedt, C. Alberti, C. Alberti, Z. Cheng, S. Ye, M. Wenig   +8 more
doaj   +1 more source

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

E3S 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, El Fadl Adiba, Bri Seddik, Mekrini Zineb   +3 more
doaj   +1 more source

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

EJNMMI 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, Christopher Buckley, Mark Battle, Ariane Bollack, Vrajesh Patel, Petya Tomova, David Cooke, Will Balhorn, Katherine Hegedorn, Johan Lilja, Christine Brand, Gill Farrar   +11 more
doaj   +1 more source

Mtss1 promotes cell-cell junction assembly and stability through the small GTPase Rac1 [PDF]

, 2012
Cell-cell junctions are an integral part of epithelia and are often disrupted in cancer cells during epithelial-to-mesenchymal transition (EMT), which is a main driver of metastatic spread.
Susann Bruche, Machesky Laura M., Braga, VMM, Susann Bruche (175558), Machesky, LM, Vania M M Braga, Dawson, JC, John C Dawson, Heather J. Spence (175559), Machesky, L.M., Bruche Susann, Spence Heather J., Heather J Spence, Bruche, S., Vania M. M. Braga (175563), Braga, VM, John C. Dawson (175556), Braga Vania M. M., Spence, HJ, Spence, H.J., Laura M. Machesky (175567), Braga, V.M.M., Dawson, J.C., Laura M Machesky, Bruche, Susann, Bruche, S, Dawson John C.   +26 more
core   +1 more source

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

Mathematics, 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, Wajih Ezzeddine, Sadok Turki, Nidhal Rezg   +3 more
doaj   +1 more source

Compute Optimization of Petri Net Controllers Using the Algebraic Method

Applied 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

Applied 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, Soulayma Sahraoui, Christophe Sauvey, Nathalie Sauer   +3 more
doaj   +1 more source