Results 61 to 70 of about 955 (265)

Programação da produção em sistemas flow shop utilizando um método heurístico híbrido algoritmo genético-simulated annealing Production scheduling in flow shop systems by using a hybrid genetic algorithm-simulated annealing heuristic

Gestão & Produção, 2000
Este artigo trata do problema de programação de tarefas flow shop permutacional. Diversos métodos heurísticos têm sido propostos para tal problema, sendo que um dos tipos de método consiste em melhorar soluções iniciais a partir de procedimentos de busca
Walther Rogério Buzzo, João Vitor Moccellin   +1 more
doaj   +1 more source

Energy-orientated Machine Scheduling for Hybrid Flow Shops

Procedia CIRP, 2015
Abstract Due to the expansion of renewable energies in Germany, the electrical energy supply is shifting to a complex and volatile system. Therefore, supply and demand need to be synchronized in an efficient way. Companies can profit from capacity based supply conditions and price volatility of the market by implementing the concept of energy ...
Keller, Fabian, Schönborn, Christina, Reinhart, Gunther   +2 more
openaire   +1 more source

Engineering Porous Hollow Metal‐Poly(Heptazine Imide) Spheres: An Optimized Synthetic Strategy for Controlling Surface, Morphology, and Properties

Advanced Functional Materials, EarlyView.
Hollow poly(heptazine imide) spheres are prepared through a novel approach that integrates hard templating with ionothermal synthesis. This method enables precise control over surface area, pore volume, hydrophilicity, light absorption, band position, and metal composition. These tunable properties facilitate the customized design of semiconductors for
Lingli Ni, Erik Troschke, Henrik Vorwerk, Shiva Shahbazi Avarvand, Andreas Stihl, Nadzeya Brezhneva, Marius Hermesdorf, Desirée Leistenschneider, Felix H. Schacher, Jacob Schneidewind, Martin Oschatz   +10 more
wiley   +1 more source

Prospects of Electric Field Control in Perpendicular Magnetic Tunnel Junctions and Emerging 2D Spintronics for Ultralow Energy Memory and Logic Devices

Advanced Functional Materials, EarlyView.
Electric control of magnetic tunnel junctions offers a path to drastically reduce the energy requirements of the device. Electric field control of magnetization can be realized in a multitude of ways. These mechanisms can be integrated into existing spintronic devices to further reduce the operational energy.
Will Echtenkamp, Brahmdutta Dixit, Yifei Yang, Deyuan Lyu, Thomas Peterson, Qi Jia, Yu‐Chia Chen, Jian‐Ping Wang   +7 more
wiley   +1 more source

Bimetallic Nanoparticles as Cocatalysts for Photocatalytic Hydrogen Production

Advanced Functional Materials, EarlyView.
Recent developments have introduced bimetallic nanoparticles as effective cocatalysts for photocatalytic systems. This review explores the rapidly expanding research on bimetallic cocatalysts for photocatalytic production of hydrogen, emphasizing the creation of carrier‐selective contacts, localized surface plasmon resonance effects, methodologies for ...
Yufen Chen, Asier Agrelo‐Lestón, Ignasi Burgués‐Ceballos, Jordi Llorca, Lluís Soler   +4 more
wiley   +1 more source

Multi-attribute bottleneck identification method for hybrid flow shops in panel furniture intelligent manufacturing

Complex & Intelligent Systems
With the widespread application of theory of constraints (TOC) in the workshop, bottleneck machines are seen as a positive element in manufacturing system performance improvement.
Xinyi Yue, Xianqing Xiong, Mei Zhang, Xiutong Xu   +3 more
doaj   +1 more source

Lot Processing in Hybrid Flow Shop Scheduling Problem [PDF]

, 2012
The scheduling problem in manufacturing systems, where the product components are processed by means of lot units (pallets, containers, boxes) of many identical items, has been recently subject of intense research in modern industry. Most of the common examples in production per lots can be found in serial production like digital devices manufacturing,
Burtseva, Larysa, Romero, Rainier, Ramirez, Salvador, Yaurima, Victor, González-Navarro, Félix F., Perez, Pedro Flores   +5 more
openaire   +2 more sources

Near‐Infrared Emitting Lanthanide Catecholate Giant Single Crystals – Morphology Control and Photon Down‐Conversion

Advanced Functional Materials, EarlyView.
Controlled syntheses of lanthanide coordination polymers based on the dihydroxybenzoquinone (DHBQ) organic linker afforded large single crystals of Ln‐DHBQ CPs (Ln = Yb, Nd). A novel structural variant of Yb‐DHBQ is identified by means of single crystal diffraction analysis.
Marina I. Schönherr, Alexander Biewald, Andre Mähringer, Thaddäus J. Koller, Peter Mayer, Markus Döblinger, Achim Hartschuh, Dana D. Medina   +7 more
wiley   +1 more source

Tuning the Dielectric Properties of Individual Clay Nanosheets by Interlayer Composition: Toward Nano‐Electret Materials

Advanced Functional Materials, EarlyView.
The dielectric properties of clays are studied on the level of individual monolayers and functional double stacks. The material breakdown characteristics and charge storage performance are analyzed. For illustration, a defined charge pattern representing a cuneiform character is produced, written into a microscopic clay tile, referencing the origins of
Sebastian Gödrich, Paul Markus, Matthias Stöter, Bernhard Biersack, Rainer Schobert, Josef Breu, Georg Papastavrou   +6 more
wiley   +1 more source

Exploiting the Functionality of Cerium Oxide‐Modified Carbon Nanohorns Catalysts Toward Enhanced CO2 Reduction Performance

Advanced Functional Materials, EarlyView.
A cerium oxide‐carbon nanohybrid catalyst is synthesized via two distinct routes and is integrated into H‐type cells and gas diffusion layers (GDLs) to enhance electrochemical performance. Structural variations significantly affect performance, with the solvothermal sample exhibiting higher current densities.
Alessia Pollice, Michele Cacioppo, Miriam Marchi, Miriam Moro, Francesco Paolucci, Marcella Bonchio, Maurizio Prato, Giovanni Valenti, Michele Melchionna, Paolo Fornasiero   +9 more
wiley   +1 more source