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Resultados 1631-1650 de 2397
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On the identification of the contribution of several pollutant sources from local
(2016) [Artigo de periódico]In the present article we discuss the pollution dispersion problem from a mixed juridical scientific technological point of view, where the principal interest lies in the pertinent question, how to transform model simulation ... -
On the microstructure of Si coimplanted with H+ and He+ ions at moderate energies
(2010) [Artigo de periódico]We report on the microstructure of silicon coimplanted with hydrogen and helium ions at moderate energies. X-ray diffraction investigations in as-implanted samples show the direct correlation between the lattice strain and ... -
On the reconstruction of concentration distributions form comparison of deterministic predictions to observational data
(2016) [Artigo de periódico]The dispersion of pollutants in the atmospheric boundary layer is a stochastic process but many approaches make use of deterministic models, such as the advection-diffusion equation, that determines average values. Comparison ... -
On the sources of hydrological prediction uncertainty in the Amazon
(2012) [Artigo de periódico] -
On the sources of hydrological prediction uncertainty in the Amazon
(2012) [Artigo de periódico] -
On the validation of a numerical model for the analysis of soil-structure interaction problems
(2016) [Artigo de periódico]Modeling and simulation of mechanical response of structures, relies on the use of computational models. Therefore, verification and validation procedures are the primary means of assessing accuracy, confidence and credibility ... -
On the winding pattern influence for filament wound cylinders under axial compression, torsion, and internal pressure loads
(2023) [Artigo de periódico]An intrinsic characteristic of components manufactured by the filament winding process is a winding pattern formation during the processing. This paper aims at unlocking and understanding how the winding pattern influences ... -
Open database for accurate upper-limb intent detection using electromyography and reliable extreme learning machines
(2019) [Artigo de periódico]Surface Electromyography (sEMG) signal processing has a disruptive technology potential to enable a natural human interface with artificial limbs and assistive devices. However, this biosignal real-time control interface ... -
OpenET : filling a critical data gap in water management for the western United States.
(2022) [Artigo de periódico]The lack of consistent, accurate information on evapotranspiration (ET) and consumptive use of water by irrigated agriculture is one of the most important data gaps for water managers in the western United States (U.S.) ... -
Opening and tuning of band gap by the formation of diamond superlattices in twisted bilayer graphene
(2013) [Artigo de periódico]We report results of first-principles density functional theory calculations, which introduce a new class of carbon nanostructures formed due to creation of covalent interlayer C-C bonds in twisted bilayer graphene (TBG). ... -
Operação de um reservatório com múltiplos usos com base na previsão de curto prazo de vazão
(2005) [Artigo de periódico]Os reservatórios operados para atender demandas de água para abastecimento, irrigação e geração de energia são, normalmente, mantidos em níveis tão altos como possível para garantir uma reserva de água que será utilizada ... -
Operational conditions of an electrostatic separator for concentrate copper from electronic waste
(2018) [Artigo de periódico]Interest in recycling for the recovery of valuable substances, such as precious metals from electric and electronic waste has been increasing year after year due to the large amount present in such waste compared to primary ... -
Optimal placement of piezoelectric macro fiber composite patches on composite plates for vibration suppression
(2015) [Artigo de periódico]This work presents a new methodology for the parametric optimization of piezoelectric actuators installed in laminated composite structures, with the objective of controlling structural vibrations. Problem formulation is ... -
Optimization for drilling process of metal-composite aeronautical structures
(2021) [Artigo de periódico]Metal-composite laminates and joints are applied in aircraft manufacturing and maintenance (repairing) using aluminum alloys (AA) and glass fiber-reinforced polymer (GFRP). In these applications, drilling has a prominent ... -
Optimization of a reinforced concrete structure subjected to dynamic wind action
(2022) [Artigo de periódico]This work proposes a methodology to optimize a reinforced concrete structure. For this, the Whale Optimization Algorithm (WOA) algorithm was used, an algorithm from the group of metaheuristic algorithms, which presents an ... -
Optimization of cutting parameters for finish end milling CFRP under vortex-cooled compressed air
(2022) [Artigo de periódico]Carbon fiber reinforced plastics (CFRP) offer several advantages in the aeronautical and automotive industry due to their combination of lightweight, high strength, and corrosion resistance. CFRP parts are usually produced ... -
Optimization of elastic structures using boundary elements and a topological-shape sensitivity formulation
(2008) [Artigo de periódico]The objective of this work is to present the implementation of a hard kill material removal algorithm in a standard BEM formulation. A topological-shape sensitivity approach is used to select the points showing the lowest ... -
Optimization of features to classify upper-limb movements through sEMG signal processing
(2016) [Artigo de periódico]This paper presents the development of a computational intelligence method based on Regularized Logistic Regression to classify 17 distinct upper-limb movements through surface electromyography (sEMG) signal processing. ... -
Optimization of laminated composite plates and shells using genetic algorithms, neural networks and finite elements
(2011) [Artigo de periódico]Structural optimization using computational tools has become a major research field in recent years. Methods commonly used in structural analysis and optimization may demand considerable computational cost, depending on ... -
Optimization of location and forces of friction dampers
(2017) [Artigo de periódico]Damper optimization is a new area which has been investigated in recent years. There are various methods employed in optimization, among which are highlighted the classic and the most recent that are functioning with ...