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Ara es mostren els items 5539-5558 de 245839

    • A new method to obtain information about the pore size distribution in microporous polymeric membranes 

      Llorens, Joan; Marco, P.; Sabaté Reboll, José; Pujolà Cunill, Montserrat; Felip, I; Plumed, E (2008-03)
      Article
      Accés restringit per política de l'editorial
      Transport measurements of selected fluids through porous membranes provide information on precise statistical moments of the membrane pore-size distribution (PSD). It is assumed that membrane porosity, ~T,is distributed ...

    • A new methodology for datascience automation in javaKlass: PTDD 

      Varela Agrelo, Jordi (Universitat Politècnica de Catalunya, 2023-10-16)
      Projecte Final de Màster Oficial
      Accés obert
      Data science research is a multidisciplinary activity where people with different backgrounds and skills (mathematicians, physicists, computer scientists, etc.) often work together to design and build software that implements ...

    • A new methodology to characterise the radar bright band using doppler spectral moments from vertically pointing radar observations 

      Garcia Benadí, Albert; Bech, Joan; González Herrero, Sergi; Udina, Mireia; Codina Sánchez, Bernat (Multidisciplinary Digital Publishing Institute (MDPI), 2021-10-27)
      Article
      Accés obert
      The detection and characterisation of the radar Bright Band (BB) are essential for many applications of weather radar quantitative precipitation estimates, such as heavy rainfall surveillance, hydrological modelling or ...

    • A New methodology to identify supply chains sustainability bottlenecks 

      Pereda Pons, Eduardo (Universitat Politècnica de Catalunya / Instituto Superior Técnico, 2015)
      Treball Final de Grau
      Accés obert
      The world globalization has been creating a very strong competition amongst companies. To maintain their market position, companies need to guarantee that all their activities are performed with high efficacy and efficiency ...

    • A new microtitre plate screening method for evaluating the viability of aerobic respiring bacteria in high surface biofilms 

      Pérez, Leonardo Martín; Álvarez, B.L.; Codony Iglesias, Francesc; Fittipaldi Gustavino, Mariana; Adrados Ruiz, Barbara; Peñuela, Gustavo; Morató Farreras, Jordi (2010-07-04)
      Article
      Accés restringit per política de l'editorial

    • A new mimetic scheme for the acoustic wave equation 

      Solano, Freysimar; Guevara-Jordan, Juan; Rojas, Otilio; Otero Calviño, Beatriz; Rodriguez, R. (2016-03-15)
      Article
      Accés obert
      A new mimetic finite difference scheme for solving the acoustic wave equation is presented. It combines a novel second order tensor mimetic discretizations in space and a leapfrog approximation in time to produce an explicit ...

    • A new mode selection and resource reuse strategy for V2X in future cellular networks 

      Albonda, Haider Daami Resin; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés obert
      Recently, vehicle-to-vehicle (V2V) communications for future cellular systems have attracted considerable attention due to their potential benefits such as improved system capacity, spectral efficiency or delay reduction, ...

    • A new model for supply chain network design with integrated assembly line balancing decisions 

      Pereira Gude, Jordi; Vilà Bonilla, Mariona (Taylor & Francis, 2015-11-26)
      Article
      Accés obert
      Supply chain network design aims at the integration of the different actors of a supply chain within a single framework in order to optimise the total profit of the system. In this paper, we consider the integration of ...

    • A new model of Port Safety Management: The analysis and risk management based on the Formal Safety Assessment (FSA) 

      Rodrigo de Larrucea, Jaime (Universidad de Cantabria, 2017-06-06)
      Article
      Accés obert
      The present study aims to create a new model of port safety management in our country based on the analysis and assessment of the risk with the Formal Safety Assessment methodology to make it a first level instrument in ...

    • A new model to analyze corrugated steel web bridges 

      Lei, Jun; Xu, Dong; Turmo Coderque, José (Tongji University, 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The wide application of corrugated steel web bridges has led to a rising demand on accurate tools to analyze this type of structures. Current computational models for these analyses are mainly related to those models using ...

    • A new modelling approach for unsaturated soils using independent stress variables 

      Sheng, Daichao; Fredlund, Delwyn G.; Gens Solé, Antonio (2008-04)
      Article
      Accés restringit per política de l'editorial
      Although a number of constitutive models for unsaturated soils exist in the literature, some fundamental questions have not been fully answered. There are questions related to (i) the change of the yield stress with soil ...

    • A new morphodynamic instability associated with cross-shore transport in the nearshore 

      Falqués Serra, Albert; Ribas Prats, Francesca; Mujal Colilles, Anna; Puig i Polo, Càrol (2021-07-16)
      Article
      Accés obert
      The existing theory for shore-transverse rhythmic sand bars relies on morphodynamic instabilities involving the wave-driven longshore current and rip currents. Intriguingly, transverse finger bars are common on coasts with ...

    • A new MPPT method for low-power solar energy harvesting 

      López Lapeña, Oscar; Penella López, María Teresa; Gasulla Forner, Manuel (2010-09)
      Article
      Accés obert
      This paper describes a new maximum-power-pointtracking (MPPT) method focused on low-power (< 1 W) photovoltaic (PV) panels. The static and dynamic performance is theoretically analyzed, and design criteria are provided. ...

    • A new multi-criteria optimization strategy for shared control in wheelchair assisted navigation 

      Sandoval, Francisco; Caltagirone, Carlo; Annicchiarico, Roberta; Cortés García, Claudio Ulises; Urdiales García, Cristina; Peula, José Ma.; Fernández-Carmona, Manuel; Barrué Subirana, Cristian; Pérez, Eduardo J.; Sánchez-Tato, Isabel; del Toro, J.C.; Galluppi, F. (2011-02-01)
      Article
      Accés restringit per política de l'editorial
      In todays aging society, many people require mobility assistance, that can be provided by robotized assistive wheelchairs with a certain degree of autonomy when manual control is unfeasible due to disability. Robot ...

    • A new multicast opportunistic routing protocol for wireless mesh networks 

      Darehshoorzadeh, Amir; Cerdà Alabern, Llorenç (Springer, 2011)
      Text en actes de congrés
      Accés obert
      Opportunistic Routing (OR) has been proposed to improve the efficiency of unicast protocols in wireless networks. In contrast to traditional routing, instead of preselecting a single specific node to be the next-hop ...

    • A new multiscale model for methane flow in shale gas reservoirs including adsorption in organic nanopores and on clay surfaces 

      Dung Le, Tien; Murad, Marcio A. (Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica, 2015-06-02)
      Text en actes de congrés
      Accés obert

    • A new multisymplectic unified formalism for second order classical field theories 

      Prieto Martínez, Pedro Daniel; Román Roy, Narciso (American Institute of Mathematical Sciences, 2015-06-01)
      Article
      Accés obert
      We present a new multisymplectic framework for second-order classical field theories which is based on an extension of the unified LagrangianHamiltonian formalism to these kinds of systems. This model provides a straightforward ...

    • A new NMVOC speciated inventory for a reactivity-based approach to support ozone control strategies in Spain 

      Oliveira, Kevin de; Guevara Vilardell, Marc; Jorba Casellas, Oriol; Querol Carceller, Xavier; Pérez García-Pando, Carlos (Elsevier, 2023-04-01)
      Article
      Accés obert
      Ozone (O3) pollution is a persistent problem in many regions of Spain, so understanding O3 precursor emissions and trends is essential to design effective control strategies. We estimated the impact of Non-Methane Volatile ...

    • A new non-linear system for estimating and suppressing narrowband interference in PN spread spectrum modulation 

      Pérez Neira, Ana Isabel; Lagunas Hernandez, Miguel A. (1998)
      Text en actes de congrés
      Accés obert
      This work develops a novel dynamic fuzzy logic system that, based on a fuzzy basis function expansion, successfully solves the non-linear problem of narrowband interference prediction and rejection in DS-SS. A fuzzy basis ...

    • A new nonlinear compliant mechanism for harvesting energy from ocean waves 

      Liang, Haitong; Carandell Widmer, Matias; Olszewski, Oskar Z.; Hao, Guangbo (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Comunicació de congrés
      Accés obert
      Traditonal linear oscillators, such as cantilevers or pendulums, are only sensitive to specific resonant frequencies. They have then very narrow frequency bandwidths when harvesting energy from ocean waves. In order to ...