Exploració per títol

Ara es mostren els items 5052-5071 de 245897

    • A million-microchannel multifuel steam reformer for hydrogen production 

      Jiménez Divins, Nuria; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Llorca Piqué, Jordi (2020-05-05)
      Article
      Accés obert
      A functionalized silicon micromonolith of 7 mm in diameter and 210 μm-thick was evaluated for the production of hydrogen from the steam reforming (SR) of various fuels, containing different functional groups, such as ...

    • A MILP model for enhancing wastewater networks by introducing reclaimed wastewater usage 

      Lechtenberg, Fabian; Somoza Tornos, Ana; Graells Sobré, Moisès; Espuña Camarasa, Antonio (2020)
      Text en actes de congrés
      Accés obert
      Wastewater treatment plants (WWTPs) are an example of available but underutilized waste-to-resource processes. Economic benefit opportunities can be generated through the design and operation of WWTPs following a circular ...

    • A MILP Model for the Long Term Academic Staff Size and Composition Planning in Public Universities 

      Torre Martínez, María del Rocío de la; Lusa García, Amaia; Mateo Doll, Manuel (2015-10)
      Article
      Accés obert
      This paper proposes a model for dealing with the long term staff composition planning in public universities. University academic staff is organized in units (or departments) according to their field of expertise. The staff ...

    • A MILP model for the teacher assignment problem considering teachers’ preferences 

      Domenech Léga, Bruno; Lusa García, Amaia (Elsevier, 2016)
      Article
      Accés obert
      The Teacher Assignment Problem is part of the University Timetabling Problem and involves assigning teachers to courses, taking their preferences into consideration. This is a complex problem, usually solved by means of ...

    • A MILP model to design hybrid wind-photovoltaic isolated rural electrification projects in developing countries 

      Ferrer Martí, Laia; Domenech Léga, Bruno; García Villoria, Alberto; Pastor Moreno, Rafael (Elsevier, 2013-04-16)
      Article
      Accés restringit per política de l'editorial
      Electrification systems based on the use of renewable energy sources are a suitable option for providing electricity to isolated communities autonomously. Wind and hybrid wind–photovoltaic (PV) systems are increasingly ...

    • A MILP scheduling model for multi-stage batch plants 

      Kopanos, Georgios; Puigjaner Corbella, Lluís (Elsevier, 2009-06-15)
      Comunicació de congrés
      Accés obert
      In the current work, a new precedence-based mixed integer linear programming (MILP) scheduling framework, based on a continuous-time representation, is developed for the scheduling in multi-stage batch plants. Advantages ...

    • A mimetic wave equation discretization with absorbing boundary condition: Formulation and application 

      Solano-Feo, Freysimar; Guevara-Jordan, Juan; Rojas_Ulacio, Otilio; González-Ramirez, Carlos; Otero Calviño, Beatriz (2016)
      Text en actes de congrés
      Accés obert
      The cornerstone of mimetic finite differentiation (FD) is that discrete gradients and divergences, in combination with a novel boundary flux operator satisfies an approximation to the Gauss–Divergence theorem. In this ...

    • A Mimic Model Approach for Impact Assessment of Mining Activities on Sustainable Development Indicators 

      Dehghani, Hesam; Bascompta Massanes, Marc; Asghar Khajevandi, Ali; Afshar Farnia, Kiana (Multidisciplinary Digital Publishing Institute (MDPI), 2023-02-02)
      Article
      Accés obert

    • A miniaturized 3d heat flux sensor to characterize heat transfer in regolith of planets and small bodies 

      Domínguez Pumar, Manuel; Rodríguez Manfredi, José Antonio; Jiménez Serres, Vicente; Bermejo Broto, Sandra; Pons Nin, Joan (Multidisciplinary Digital Publishing Institute (MDPI), 2020-08-01)
      Article
      Accés obert
      The objective of this work is to present the first analytical and experimental results obtained with a 3D heat flux sensor for planetary regolith. The proposed structure, a sphere divided in four sectors, is sensible to ...

    • A miniaturized two axis sun sensor for attitude control of nano-satellites 

      Angulo, M.; Gras, Ana; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Ricart Campos, Jordi; Domínguez Pumar, Manuel; Castañer Muñoz, Luis María; Quero, J.M.; Tarrida, C. L.; Reina, M. (2010-10-10)
      Article
      Accés obert
      This paper describes the design, fabrication, characterization, and satellite integration of a miniaturized two axis sun sensor which has been used in the attitude control system of the Spanish nano-satellite NANOSAT-1B. ...

    • A minimal bound and divergence case on the elliptic curves over finite fields 

      Sota, Antonino (Universitat Politècnica de Catalunya, 2019-10)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      The main goal of this thesis is the study of elliptic curves over finite fields and the number of points of them. A study of interest is to analyze and find the cases when the difference #E(F_q^n )-#E(F_q) vanishes, where ...

    • A minimalistic distance-vector routing protocol for LoRa mesh networks 

      Pueyo Centelles, Roger; Freitag, Fèlix; Meseguer Pallarès, Roc; Navarro Moldes, Leandro (2021-06-15)
      Report de recerca
      Accés obert
      LoRa has gained traction in the Internet of Things (IoT) domain as a Low Power, Wide Area Network(LPWAN) radio technology, providing low-power and long-range communication in the sub-GHz band. Most often it is used as part ...

    • A minimally invasive microsensor specially designed for simultaneous dissolved oxygen and pH biofilm profiling 

      Guimerà Villalba, Xavier; Moya Lara, Ana; Dorado Castaño, Antonio David; Illa, Xavi; Villa, Rosa; Gabriel Buguña, David; Gamisans Noguera, Javier; Gabriel Buguña, Gemma (Multidisciplinary Digital Publishing Institute (MDPI), 2019-11-01)
      Article
      Accés obert
      A novel sensing device for simultaneous dissolved oxygen (DO) and pH monitoring specially designed for biofilm profiling is presented in this work. This device enabled the recording of instantaneous DO and pH dynamic ...

    • A MIP formulation of a Hybrid AC-DC offshore wind power plant topology 

      Homs Moreno, Josep (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2017-10)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   Department of Statistics and Operations Research - Research Group GNOM

    • A mis amigos de Barcelona 

      Parent, Claude (Escola Tècnica Superior d'Arquitectura de Barcelona. Departament de Composició Arquitectònica, 2012-07)
      Article
      Accés obert

    • A mitja veu : poesies 

      Via, Lluís, 1870-1940 (Ilustració Catalana, [192-?])
      Llibre
      Accés obert

    • A mixed algorithm for incremental elastoplastic analysis 

      Bilotta, A.; Leonetti, L.; Garcea, G. (CIMNE, 2011)
      Text en actes de congrés
      Accés obert
      A new method for the incremental analysis of elastoplastic associated materials is presented. The method fully retains all the equations and variables of the problems at the same level and uses a sequential quadratic ...

    • A mixed formulation for nonlinear analysis of cable structures 

      Crusells Girona, Miquel; Filippou, Filip; Taylor, Robert L. (2017-07)
      Article
      Accés obert
      This paper proposes a general finite-element procedure for the nonlinear analysis of cables based on a mixed variational formulation in curvilinear coordinates with finite deformations. The formulation accounts for nonlinear ...

    • A mixed integer programming approach for multi-action planning for threat management 

      Salgado Rojas, José; Alvarez Miranda, Eduardo; Hermoso López, Virgilio; Garcia Gonzalo, Jordi; Weintraub, Andrés (2020-02-15)
      Article
      Accés obert
      Planning for management actions that address threats to biodiversity is important for securing its long term persistence. However, systematic conservation planning (SCP) has traditionally overlooked this aspect and just ...

    • A mixed Lagrangian and Eulerian FSI approach for simulation of overtopping on embankment dams 

      Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (CIMNE (Centro Internacional de Métodos Numéricos en Ingeniería), 2009)
      Text en actes de congrés
      Accés obert
      The present work is concerned with some recent advances in FSI simulations with particular emphasis on the simulation of rockfill dams during extreme phenomena. The final objective is the study of the consequences of an ...