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Mostrando ítems 2376-2395 de 2397

    • Virtual sensor of surface electromyography in a new extensive fault-tolerant classification system 

      Moura, Karina de Oliveira Alves de; Balbinot, Alexandre (2018) [Artículo de periódico]
      A few prosthetic control systems in the scientific literature obtain pattern recognition algorithms adapted to changes that occur in the myoelectric signal over time and, frequently, such systems are not natural and ...

    • Visual management requirements to support design planning and control within digital contexts 

      Pedó, Bárbara; Formoso, Carlos Torres; Viana, Daniela Dietz; Tzortzopoulos, Patricia; Brandalise, Fernanda Marisa Pasinato; Whitelock-Wainwright, Andrew (2022) [Artículo de periódico]
      Difficulties in managing the construction design process are strongly related to its nature, as a large number of interdependent decisions are involved, which need to be made by many different stakeholders, in an environment ...

    • A voltage-based approach for series high impedance fault detection and location in distribution systems using smart meters 

      Vieira, Francinei Lucas; Santos, Pedro H. M. dos; Carvalho Filho, José Maria de; Leborgne, Roberto Chouhy; Leite, Marino Piazza (2019) [Artículo de periódico]
      High impedance faults (HIFs) have been a major concern for protecting distribution systems and public safety hazards when involving downed conductors. The deployment of smarter grids brings new technologies for smart ...

    • Vulnerabilidade ambiental, social e viária em acidentes com transporte de produtos perigosos : estudo de caso na BR-101 entre Osório e Torres, Rio Grande do Sul, Brasil 

      Tinoco, Maria Auxiliadora Cannarozzo; Nodari, Christine Tessele; Pereira, Kimberllyn Rosa da Silva (2016) [Artículo de periódico]
      O presente estudo objetiva avaliar a vulnerabilidade ambiental e social e identificar trechos críticos, na ocorrência de acidentes com o transporte de produtos perigosos na BR-101, entre os municípios de Osório e Torres, ...

    • Vulnerabilidade do Sistema Aquífero Serra Geral na região nordeste do estado do Rio Grande do Sul 

      Reginato, Pedro Antonio Roehe; Ahlert, Siclério (2013) [Artículo de periódico]

    • Waste generation in agate processing : use of SiO2 as a support matterial [sic] for Fe3O4 

      Folle, Daiane; Silva, Rodrigo de Almeida; Boita, Jocenir; Robaldo, Douglas Luis Carissimo; Schneider, Ivo Andre Homrich (2015) [Artículo de periódico]
      Brazil is one of the main producers of colored gemstones, and Rio Grande do Sul is the state with the greatest production of agates, amethysts and citrines. This sector is preponderant in the economy of the regions of the ...

    • Waste glass in porcelain 

      Braganca, Saulo Roca; Bergmann, Carlos Perez (2005) [Artículo de periódico]
      In this work, the feldspar used as a flux in typical porcelain was replaced by waste glass, and the resulting batch composition contained 50% kaolin, 25% quartz and 25% waste glass. The properties of this porcelain with ...

    • Wastewater treatment in a pilot-scale submerged membrane bioreactor : study of hydrodynamics under constant operating pressure 

      Cadore, Ígor Renz; Silva, Maurício Kipper da; Pollo, Liliane Damaris; Tessaro, Isabel Cristina (2018) [Artículo de periódico]
      A pilot-scale Submerged Membrane Bioreactor provided with PEI hollow fiber membranes was operated under constant pressure mode in order to evaluate the effects of hydrodynamic conditions on the process performance, such ...

    • Water dynamics, phytoplankton biomass and size structure of a shalow freshwater subtropical lake (Itapeva Lake, South of Brazil) 

      Becker, Vanessa; Marques, David Manuel Lelinho da Motta (2004) [Artículo de periódico]
      Regular tools used to characterize the phytoplankton community structure are taxonomic composition, diversity of species and the classification of organisms according to their size. The main objective of this study was to ...

    • Water-food-energy nexus tradeoffs in the São Marcos river basin 

      Bof, Pedro Henrique; Marques, Guilherme Fernandes; Tilmant, Amaury; Dalcin, Ana Paula; Olivares, Marcelo (2021) [Artículo de periódico]
      Given its potentialities and characteristics, energy generation, food production, and water availability have a strong interdependency and correlation. Water is needed to produce energy and food, while energy is required ...

    • Water hyacinth composting as a waste management strategy : a systematic review 

      Samuel, Paulo Robinson da Silva; Waskow, Régis Pereira; Kanno, Rodrigo; Tubino, Rejane Maria Candiota (2022) [Artículo de periódico]
      Macrophytes proliferation problem is worldwide know resulting in impacts on natural environment, human health and economic activities. These organisms have several parameters resilience, which ensures high rate of reproduction ...

    • Water quality assessment of the Sinos River, Southern Brazil 

      Blume, Kamila Käfer; Macedo, Júlio César; Meneguzzi, Alvaro; Silva, Luciano Basso da; Quevedo, Daniela Müller de; Rodrigues, Marco Antonio Siqueira (2010) [Artículo de periódico]
      A Bacia Hidrográfica do Rio dos Sinos localizada a nordeste do Estado do Rio Grande do Sul, entre as coordenadas geográficas de 29° 20’ a 30°10’ de latitude Sul e de 50° 15’ a 51° 20’ de longitude Oeste. As províncias ...

    • Water storage variability across Brazil 

      Fontana, Rafael Barbedo; Fleischmann, Ayan Santos; Siqueira, Vinícius Alencar; Brêda, João Paulo Lyra Fialho; Fernandez, Gabriel Matte Rios; Santos, Leonardo Laipelt dos; Teixeira, Alexandre de Amorim; Araujo, Alexandre Abdalla; Fuckner, Marcus Andre; Meller, Adalberto; Fan, Fernando Mainardi; Collischonn, Walter; Ruhoff, Anderson Luis; Paiva, Rodrigo Cauduro Dias de (2022) [Artículo de periódico]
      Brazil hosts a large amount of freshwater. Knowing how this stored water is partitioned in space and time between surface and subsurface components is a crucial step towards a more correct depiction of the country’s water ...

    • Wave length and celerity downstream from a hydraulic jump 

      Gomes, Ana Paula; Marzec, Eduardo Pivatto; Endres, Luiz Augusto Magalhães (2019) [Artículo de periódico]
      It allows the estimation of other important wave characteristics such as the length and celerity. This study aims at describing the results of a relationship among the significant, mean, and peak periods of waves generated ...

    • WaveMIMO methodology : numerical wave generation of a realistic sea state 

      Machado, Bianca Neves; Oleinik, Phelype Haron; Kirinus, Eduardo de Paula; Santos, Elizaldo Domingues dos; Rocha, Luiz Alberto Oliveira; Gomes, Mateus das Neves; Conde, José Manuel Paixão; Isoldi, Liércio André (2021) [Artículo de periódico]
      This paper presents a methodology that allows the numerical simulation of realistic sea waves, called WaveMIMO methodology, which is based on the imposition of transient discrete data as prescribed velocity on a finite ...

    • Wear behaviour of electroless heat treated Ni-P coatings as alternative to electroplated hard chromium deposits 

      Goettems, Felipe Samuel; Ferreira, Jane Zoppas (2017) [Artículo de periódico]
      In this present study was evaluated the influence of heat treatment on the wear resistance of electroless high phosphorus nickel coating (9-10% P wt.). In addition, both untreated and treated Ni-P deposits were then compared ...

    • Welding cooling rate effects on microstructure of an API 5l x100 steel 

      Freitas, Diego Aires de; Machado, Ivan Guerra; Mazzaferro, Jose Antonio Esmerio; Gonzalez, Arnaldo Ruben; Mazzaferro, Cintia Cristiane Petry (2016) [Artículo de periódico]
      The aim of this work was to investigate the influence of five different cooling rates on properties of weld metal (WM) and heat affected zone (HAZ) of an API 5L X100 steel welded by GMAW. Bead on pipe (BOP) welds were made ...

    • Wind tunnel experiments with neutral and convective boundary layer stabilities 

      Degrazia, Gervasio Annes; Bodmann, Bardo Ernst Josef; Wittwer, Adrián Roberto; Dorado, Rodrigo Martins; Degrazia, Franco Caldas; Demarco, Giuliano; Roberti, Débora Regina; Loredo-Souza, Acir Mércio; Acevedo, Otávio Costa; Martins, Luis Gustavo Nogueira (2018) [Artículo de periódico]
      The present contribution reports on the status of the STROMA experiment. As a novelty a new experimental setup in a wind tunnel allows to simulate different stability regimes with vertical heat flux in either direction. ...

    • Wood-poly(furfuryl alcohol) prepreg : a novel, ecofriendly laminate composite 

      Acosta, Andrey Pereira; Esteves, Bruno; Cruz, Joziel Aparecido da; Aramburu, Arthur Behenck; Kairytė, Agnė; Członka, Sylwia; Ramos, Dionatan Orestes; Goularte, Matheus de Paula; Delucis, Rafael de Ávila; Gatto, Darci Alberto; Amico, Sandro Campos (2023) [Artículo de periódico]
      Prepregs are commonly fabricated with non-renewable petroleum-based materials. To reduce the impact of the manufacturing of these materials and to produce more sustainable prepregs, this research aims to manufacture ...

    • Woody debris characterization in a small basin with araucaria forest 

      Campagnolo, Karla; Kobiyama, Masato (2021) [Artículo de periódico]
      The effect that wood deposited in a river, woody debris (WD), causes on its hydrogeomorphic processes depends on the dimensions of the wood and the channel. Studies related to WD are still very rare in Brazil. Therefore, ...