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Ara es mostren els items 10084-10103 de 245791

    • Adding value to the measurements of an X-band radar on Catalonian coast 

      Berenguer Ferrer, Marc; Sempere Torres, Daniel (2012-08)
      Article
      Accés obert
      Rainscanner@Barcelona is an experiment assessing the hydrological value of a small X-band radar in urban areas.

    • Adding X-security to Carrel: security for agent-based healthcare applications 

      Cabanillas Barbacil, David Conrado; Willmott, Steven; Cortés García, Claudio Ulises (2003-06)
      Report de recerca
      Accés obert
      The high growth of Multi-Agent Systems (MAS) in Open Networks with initiatives such as Agentcities1 requires development in many different areas such as scalable and secure agent platforms, location services, directory ...

    • Addition of microencapsulated PCM into single layer mortar: physical and thermal properties and fire resistance 

      Bosch González, Montserrat; Haurie Ibarra, Laia; Cabeza Fabra, Luisa Fernanda; Serrano, Susana; Fernández, Ana Inés (2014)
      Text en actes de congrés
      Accés obert
      The energy consumption in buildings has increased in the last years due to the energy demand for thermal comfort. The improvement of thermal properties in building materials is one of the key points to achieve a reduction ...

    • Additional constraints in variational procedures for ARMA Spectral Estimation 

      Lagunas Hernandez, Miguel A. (1986)
      Text en actes de congrés
      Accés obert
      A new variational ARMA power spectral estimation procedure is proposed. The resulting is a generalization of the ARMA estimation method proposed by Lagunas et al. [1] which used correlation and cepstral constraints. The ...

    • Additioning alfa fibres in cement mortar 

      Bernat Masó, Ernest; Puigvert Cobos, Francesc; Abdelmoulac, Hichem; Gil Espert, Lluís (Universidad Católica de Chile (UC), 2018)
      Article
      Accés obert
      Cement mortar is a broadly used construction material. Adding fibres into the fresh mortar is an effective reinforcing technique to overcome the drawbacks related with the little tensile and flexural strength. Using natural ...

    • Additive manufacturing and supply chain configuration: Modelling and performance evaluation 

      Rinaldi, Marta; Caterino, Mario; Macchiaroli, Roberto (OmniaScience, 2022)
      Article
      Accés obert
      Purpose: the aim of the study is to compare the performance of different supply chain configurations adopting Additive Manufacturing. Five input factors have been varied with the aim of testing the response of the supply ...

    • Additive manufacturing in the automotive industry : A review of the current state and future prospects 

      Nilsson, Josefin (Universitat Politècnica de Catalunya, 2023-01-25)
      Treball de recerca tutelat
      Accés obert
      The purpose of the study is to research AM’s future prospects. Some of the most commonly used AM technologies will be assessed based on how their being used and what benefits they bring when compared to traditional ...

    • Additive manufacturing in the automotive industry : A review of the current state and future prospects 

      Sandgren, Jens (Universitat Politècnica de Catalunya, 2023-01-25)
      Treball de recerca tutelat
      Accés obert
      The purpose of the study is to research AM’s future prospects. Some of the most commonly used AM technologies will be assessed based on how their being used and what benefits they bring when compared to traditional ...

    • Additive manufacturing in the engineering and construction industry: Development and potentiality 

      Issa, Muhanad (Universitat Politècnica de Catalunya, 2021-05)
      Projecte Final de Màster Oficial
      Accés obert
      Aquesta investigació analitza el desenvolupament de la impressió ِ3 D al sector de la construcció, les dificultats a què s’enfronta i els experiments realitzats en la creació de nous materials / tecnologies per superar ...

    • Additive manufacturing of a topology optimized lightweight part of a humanoid robot 

      Junk, Stefan; Klerch, Benjamin; Hochberg, Ulrich (CIMNE, 2019)
      Text en actes de congrés
      Accés obert
      Due to its high design freedom and flexibility, Additive Manufacturing is often used as an alternative to the conventional manufacturing. In order to be competitive, as many advantages of additive manufacturing as possible ...

    • Additive Manufacturing of Dental Prosthesis Based on 3Y-ZrO2 

      Cabrera Vilalta, Jan (Universitat Politècnica de Catalunya, 2021-05-20)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   Straumann Group
      Tetragonal polycrystalline zirconia doped with 3 mol.% yttria (3Y-ZrO2) has become one of the most popular dental ceramics. Thanks to its outstanding mechanical properties (including high hardness, toughness and wear ...

    • Additive manufacturing of mode converters in Ku and Q bands by selective laser sintering: experience and results 

      Montejo-Garai, José R.; González-Calvo, Miguel; Ruiz-Cruz, Jorge A.; Rebollar, Jesús (Universitat Politècnica de Catalunya. Remote Sensing, Antennas, Microwaves and Superconductivity Group (CommSensLab), 2022)
      Text en actes de congrés
      Accés obert
      In recent years, Additive Manufacturing (AM) has turned out as a disruptive technology [1]. Fast production, rapid prototyping or adaptability, are essential concepts in sectors such as automotive, aerospace, biotech, ...

    • Additive manufacturing of Ni-free Ti-based shape memory alloys: A review 

      Vilella i Crosas, Tània; Rodríguez Rius, Daniel; Fargas Ribas, Gemma (Elsevier, 2024-04-01)
      Article
      Accés obert
      Ni-free Ti-based Shape Memory Alloys composed of non-toxic elements have been studied as promising candidates for biomedical applications. However, high tool wear makes them complex to manufacture with conventional techniques. ...

    • Additive manufacturing per alliatges de titani 

      Coves Xamena, Josep Lluís (Universitat Politècnica de Catalunya, 2018-06-26)
      Treball Final de Grau
      Accés obert
      Aquest projecte en concret, té com a objectiu estudiar l’efecte que provoquen sobre les propietats i microestructura de provetes de Ti-6Al-4V els canvis en els paràmetres de la seva elaboració per deposició directa d’energia. ...

    • Additive MDS codes 

      Ball, Simeon Michael; Adriaensen, Sam (2022)
      Text en actes de congrés
      Accés obert
      We prove that an additive code over a finite field which has a few projections which are equivalent to a linear code is itself equivalent to a linear code, providing the code is not too short.

    • Additive MDS Codes 

      Gamboa Quintero, Guillermo Andres (Universitat Politècnica de Catalunya, 2020-10)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      In this master thesis, we present examples of additive nonlinear MDS codes over nonprime fields. Moreover, we prove the MDS conjecture for additive nonlinear codes for the alphabets F9 and F16, preserving linearity over ...

    • Additive structures and randomness in combinatorics 

      Spiegel, Christoph (Universitat Politècnica de Catalunya, 2020-07-03)
      Tesi
      Accés obert
      Arithmetic Combinatorics, Combinatorial Number Theory, Structural Additive Theory and Additive Number Theory are just some of the terms used to describe the vast field that sits at the intersection of Number Theory and ...

    • Additive volume of sets contained in few arithmetic progressions 

      Freiman, Gregory A.; Serra Albó, Oriol; Spiegel, Christoph (De Gruyter, 2019-03-06)
      Article
      Accés obert
      A conjecture of Freiman gives an exact formula for the largest volume of a finite set A of integers with given cardinality k=|A| and doubling T=|2A|. The formula is known to hold when T=3k-4, for some small range over 3k-4 ...

    • Address Prediction and Recovery Mechanisms 

      Morancho Llena, Enric (Universitat Politècnica de Catalunya, 2002-07-11)
      Tesi
      Accés obert
      Uno de los mayores retos que debe ser afrontado por los diseñadores de micro-procesadores es el de mitigar la gran latencia de las instrucciones de carga de datos en registros. Esta tesis analiza una de las posibles ...

    • Addressing efficiency issues during the process of integrity maintenance (extended version) 

      Mayol Sarroca, Enric; Teniente López, Ernest (1999-07)
      Report de recerca
      Accés obert
      An important problem that arises when updating a deductive database is that of integrity maintenance. That is, given a consistent database and an update request, to obtain all possible updates of base facts such that ...