Ara es mostren els items 17333-17352 de 97188

  • Characterization of coastal upwelling events during the generation of the water column stratification in spring (Vilanova i la Geltrú, NW Mediterranean) 

    Antonijuan Rull, Josefina; Guillem, Jorge; Simarro, Gonzalo; Nogueras Cervera, Marc; Río Fernandez, Joaquín del (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Text en actes de congrés
    Accés obert
    This article presents some preliminary results on the characterization of inputs of offshore waters (upwelling events) in the coast off Vilanova i la Geltrú (NW Mediterranean) in the spring of the years 2010, 2012 and 2014. ...
  • Characterization of concept lattices for ordered contexts 

    Casas Garriga, Gemma (2003-05)
    Report de recerca
    Accés obert
    The discovery of frequent sequential patterns in an ordered collection of data, such as sequential databases or time-series data, is an important issue in several contexts. In this paper, we employ formal concept analysis ...
  • Characterization of concrete by calibrating thermo-hydraulic multiphase flow models 

    Chaparro Sánchez, Maria Carme; Saaltink, Maarten Willem; Villar Galicia, María Victoria (2015-08-01)
    Article
    Accés obert
    Evaporation tests in concrete columns have been analysed by numerical models to characterize the thermo-hydraulic properties and the processes in concrete. Two evaporation tests were performed: a column heated by a lamp ...
  • Characterization of conducted emission at high frequency under different temperature 

    Berbel Artal, Néstor; Fernández García, Raúl; Gil Galí, Ignacio (2013)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    Download Citation Email Print Request Permissions Save to Project In this paper, the characterization of the EMC conducted emissions of integrated circuits under different temperature stress condition, ...
  • Characterization of cutting parameters in the minimum quantity lubricant (MQL) machining process of a gearbox 

    Travieso Rodriguez, Jose Antonio; Gómez Gras, David; García Vilana, Silvia; Mainau Noguer, Ferran; Jerez Mesa, Ramón (IGI Global, 2015-02-09)
    Article
    Accés restringit per política de l'editorial
    This paper aims to find the key process parameters for machining different parts of an automobile gearbox, commissioned by a company that needs to replace with the MQL lubrication system their current machining process ...
  • Characterization of cyclical phases in the manufacturing industry in Spain 

    Sala, Mercè; Torres, Teresa; Farré, Mariona (OmniaScience, 2014-10)
    Article
    Accés obert
    Purpose: The purpose of this paper is to characterize the cyclical phases of the manufacturing industry in Spain and detect which industries have more influence on the Spanish business cycle. We assume that economic growth ...
  • Characterization of database dependencies with FCA and pattern structures 

    Baixeries i Juvillà, Jaume; Kaytoue, Mehdi; Napoli, Amedeo (Springer International Publishing, 2014-04-12)
    Capítol de llibre
    Accés restringit per política de l'editorial
    In this review paper, we present some recent results on the characterization of Functional Dependencies and variations with the formalism of Pattern Structures and Formal Concept Analysis. Although these dependencies ...
  • Characterization of daytime sleepiness by time-frequency measures of EEG signals 

    Guaita, Marc; Melia, Umberto Sergio Pio; Vallverdú Ferrer, Montserrat; Caminal Magrans, Pere; Vilaseca, Isabel; Monserrat, Josep; Gaig, Carlos; Clarià Sancho, Francesc; Salamero, Manuel; Santamaria, Joan (2015-06-01)
    Article
    Accés obert
    Excessive daytime sleepiness (EDS) is one of the main symptoms of several sleep-related disorders with a great impact on patient lives. While many studies have been carried out in order to assess daytime sleepiness, automatic ...
  • Characterization of degradation and evaluation of model parameters of amorphous silicon photovoltaic modules under outdoor long term exposure 

    Kichou, Sofiane; Silvestre Bergés, Santiago; Nofuentes Garrido, Gustavo; Torres Ramirez, Miquel; Chouder, Aissa; Guasch Murillo, Daniel (2016-02-01)
    Article
    Accés restringit per política de l'editorial
    The analysis of the degradation of thin-film single junction a-Si photovoltaic (PV) modules and its impact on the output power of a PV array under outdoor long term exposure located in Jaén (Spain), a relatively dry and ...
  • Characterization of dielectric charging in MEMS using Diffusive Representation 

    Atienza García, María Teresa; Gorreta Mariné, Sergio; Pons Nin, Joan; Domínguez Pumar, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2016-09-22)
    Article
    Accés obert
  • Characterization of dielectric spheres by spiral imaging 

    Petrov, Dimitri; Rahuel, Nicolás; Molina Terriza, Gabriel; Torner Sabata, Lluís (2012)
    Article
    Accés obert
    We study the spiral spectra scattered off transparent dielectric spheres when probed by different Laguerre–Gaussian light beams, carrying nested topological wavefront dislocations. We show that such scattering data may ...
  • Characterization of dynamics and power handling of RF MEMS using vector measurement techniques 

    Girbau Sala, David; Lázaro Guillén, Antoni; Pradell i Cara, Lluís (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2004-11-30)
    Article
    Accés obert
    This paper proposes a new method to measure dynamics and power handling of RF microelectromechanical systems (MEMS) devices based on a mobile membrane. The method uses in-phase/quadrature demodulation of an RF signal ...
  • Characterization of dynamics in RF-MEMS switches 

    Llamas Morote, Marco Antonio; Girbau Sala, David; Pradell i Cara, Lluís; Lázaro Guillén, Antoni; Giacomozzi, Flavio; Colpo, S (2009)
    Text en actes de congrés
    Accés obert
    This paper proposes a new method to measure dynamics and power handling of RF microelectromechanical systems (MEMS) devices based on a mobile membrane. The method uses in-phase/quadrature demodulation of an RF signal ...
  • Characterization of EMI filters based on metamaterials 

    Gil Galí, Ignacio; Fernández García, Raúl; Vives, Yolanda; Jauregui Tellería, Ricardo; Silva Martínez, Fernando (2009-06)
    Comunicació de congrés
    Accés obert
    This paper analyzes the behavior of EMI filters based on metamaterials. The filters are developed by means of sub-wavelength resonators and designed to have notch-type attenuation in the 2.45 GHz band. Two types of filters ...
  • Characterization of epoxi based composite with Carbon Nanotubes 

    Garrido Pacheco, Mariano (Universitat Politècnica de Catalunya, 2012-07-20)
    Projecte Final de Màster Oficial
    Accés restringit per decisió de l'autor
    This dissertation exposes the characterisation of a nanocomposite made of epoxy resin with carbon nanotubes. The project involves the production of the materials and the fabrication of the specimens to be tested thermally ...
  • Characterization of errors and noises in MEMS inertial sensors using Allan variance method 

    Barreda Pupo, Leslie (Universitat Politècnica de Catalunya, 2016)
    Projecte Final de Màster Oficial
    Accés obert
    This thesis work has addressed the problems of characterizing and identifying the noises inherent to inertial sensors as gyros and accelerometers, which are embedded in inertial navigation systems, with the purpose of ...
  • Characterization of façade fenestration for energy studies within the "Eixample" urban tissue of Barcelona 

    García Nevado, Elena; Beckers, Benoit; Coch Roura, Helena (Elsevier, 2017)
    Text en actes de congrés
    Accés obert
    This paper explores the possibility of characterising the degree of fenestration of a certain city by studying a limited building sample. For the case study of the Eixample district of Barcelona, window-to-wall ratio (WWR) ...
  • Characterization of façade fenestration for energy studies within the “Eixample” urban tissue of Barcelona 

    García Nevado, Elena; Beckers, Benoit; Coch Roura, Helena (2017-09)
    Article
    Accés obert
    This paper explores the possibility of characterising the degree of fenestration of a certain city by studying a limited building sample. For the case study of the Eixample district of Barcelona, window-to-wall ratio (WWR) ...
  • Characterization of fibrous polymer silver/cobalt nanocomposite with enhanced bactericide activity 

    Alonso González, Amanda; Muñoz Berbel, Xavier; Vigués, Núria; Macanás de Benito, Jorge; Muñoz Tapia, Maria; Mas i Gordi, Jordi; Muraviev, Dmitri N. (2012)
    Article
    Accés restringit per política de l'editorial
    This manuscript describes the synthesis (based on the intermatrix synthesis (IMS) method), optimization, and application to bacterial disinfection of Ag@Co polymer metal nanocomposite materials with magnetic and ...
  • Characterization of flame retardant polypropylene-magnesium hydroxide composite foams 

    Antunes, Marcelo de Sousa Pais; Haurie Ibarra, Laia; Velasco Perero, José Ignacio (2009)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    Magnesium hydroxide filled polypropylene foams have been prepared in order to analyze the foaming effects on the microstructure, flame and thermo-mechanical beaviour of the polypropylene composites. Several load percentages ...