Ara es mostren els items 9526-9545 de 98505

  • Annuli for the zeros of a polynomial 

    Díaz Barrero, José Luis (2014-10)
    Article
    Accés restringit per política de l'editorial
  • Annuli for the zeros of a polynomial 

    Popescu, Pantelimon George; Díaz Barrero, José Luis (2015-12)
    Article
    Accés restringit per política de l'editorial
    In this paper, ring shaped regions containing all the zeros of a polynomial with complex coeffcients involving binomial coeffcients and Fibonacci-Pell numbers are given. Furthermore, bounds for strictly ...
  • Anode-supported SOFC Operated Under Single-chamber Conditions at Intermediate Temperatures 

    Morales, Miguel; Roa Rovira, Joan Josep; Capdevila, X.G.; Segarra, M.; Piñol, S. (2011-02-02)
    Article
    Accés restringit per política de l'editorial
    Anode-supported SOFC was fabricated using gadolinia doped ceria (GDC) as the electrolyte (15 lm of thickness), Ni-GDC as the anode and La0.5Sr0.5CoO3 – d-GDC as the cathode. Catalytic activities of the electrodes and ...
  • Anodic oxidation of titanium for implants and prothesis: processing characterization and potential improvement of osteointegration 

    Anglada Gomila, Marcos Juan; Pavon, Juan José; Galvis, Oscar; Echevarria, F; Castaño, J; Echeverry, M; Robledo, S; Jiménez Piqué, Emilio; Mestra Rodríguez, Álvaro Miguel (2011)
    Text en actes de congrés
    Accés obert
    Among all biomaterials used for bone replacement, it is recognized that both commercially pure titanium (Ti c.p.) and Ti6Al4V alloy are the materials that show the best in vivo performance due to their excellent balance ...
  • Anodización del titanio para la mejora ante la degración química de material quirúrgico. 

    Valentí, J.; Guasch, J.; Sevilla, P.; Gil, F.J. (Sociedad Ibérica de Biomecánica y Biomateriales, 2004-10)
    Article
    Accés obert
    The titanium alloys used in orthopaedic and dental implants are corrosion-resistant and compatible with the human body due to the titanium oxid film which forms spontaneously on the implant surface. However, the utilization ...
  • Anodización del titanio para la mejora ante la degradación química de material quirúrgico 

    Valentí, J.; Guash, J.; Sevilla, P.; Gil, F.J. (2008-11-14T16:58:30Z)
    Article
    Accés obert
    The titanium alloys used in orthopaedic and dental implants are corrosion-resistant and compatible with the human body due to the titanium oxid film which forms spontaneously on the implant surface. However, the utilization ...
  • Anodización en implantes dentales defcon para la mejora ante la degradación química 

    García-Sabán, F. J.; Gil, F. J.; Planell Estany, Josep Anton (Sociedad Ibérica de Biomecánica y Biomateriales, 1998)
    Article
    Accés obert
    El objetivo de este trabajo de investigación es la obtención de una capa de anodizado, que sea homogénea en toda la superficie del implante de titanio. Esta capa de óxido de titanio tendrá unas propiedades beneficiosas ...
  • Anomalies de la visió del color en preescolars: validesa dels resultats obtinguts amb el test d'Ishihara 

    Ramon Clar, Clara (Universitat Politècnica de Catalunya, 2015-06-30)
    Treball Final de Grau
    Accés obert
    Aquest treball pretén determinar la prevalença de les Deficiències de la Visió del Color (DVC) en tres grups d’edat: nens preescolars, escolars i una mostra de subjectes entre 18-35 anys, que s’utilitzarà com a grup ...
  • Anomalies of oxygen measurements performed with aanderaa optodes 

    lo Bue, N.; Vangriesheim, A.; Khripounoff, A.; Soltwedel, T. (SARTI, 2011)
    Article
    Accés obert
  • Anomalías superficiales en pavimentos de mosaico hidráulico: el caso CMG 

    Pineda, Wueldin (Universitat Politècnica de Catalunya, 2014-12)
    Projecte Final de Màster Oficial
    Accés obert
    El redescubrimiento y la recuperación de las baldosas de mosaico hidráulico como material de pavimento tienen, en consecuencia, la recuperación de su proceso de producción, ya que conserva características esencialmente ...
  • Anomalous dynamics of Darcy flow and diffusion through heterogeneous media 

    Russian, Anna (Universitat Politècnica de Catalunya, 2013-03-01)
    Tesi
    Accés obert
    This thesis studies diffusion phenomena in heterogeneous media, which includes Darcy flow and diffusive solute transport in geological media. Natural media are heterogeneous at different scales, which induces complexity ...
  • Anomalous group velocity at the high energy range of real 3D photonic nanostructures 

    Botey Cumella, Muriel; Martorell Pena, Jordi (SPIE-The International Society for Optical Engineering, 2010-04-12)
    Text en actes de congrés
    Accés obert
    We perform a theoretical study on the group velocity for finite thin artificial opal slabs made of a reduced number of layers in the spectral range where the light wavelength is on the order of the lattice parameter. The ...
  • Anomaly detection on large data flows 

    Cayuela Ràfols, Marc (Universitat Politècnica de Catalunya, 2015-02)
    Treball Final de Grau
    Accés obert
    [ANGLÈS] This project studies the anomaly detection problem and proposes two solution approaches for the unsupervised detection problem. These two solutions are based on the fitting of an autoregressive model and the ...
  • Anonymizing data via polynomial regression 

    Nin Guerrero, Jordi; Pont Tuset, Jordi; Medrano Gracia, Pau; Larriba Pey, Josep; Muntés Mulero, Víctor (2007)
    Text en actes de congrés
    Accés obert
    The amount of confidential information accessible through the Internet is growing continuously. In this scenario, the improvement of anonymizing methods becomes crucial to avoid revealing sensible information of individuals. ...
  • Anonymous subscription schemes : a flexible fonstruction for on-line services access 

    González Vasco, Maria Isabel; Heidarvand, Somayed; Villar Santos, Jorge Luis (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In traditional e-cash systems, the tradeoff between anonymity and fraud-detection is solved by hiding the identity of the user into the e-coin, and providing an additional triggering mechanism that opens this identity in ...
  • Anonymous yes-no voting with abstention and multiple levels of approval 

    Freixas Bosch, Josep; Zwicker, William S. (Academic Press, 2009-11)
    Article
    Accés obert
    Els jocs simples simètrics (3, 2) serveixen de models per a sistemes de votació anònims en els quals cada votant pot votar "sí", abstenir-se, o votar "no", el resultat és "sí" o "no", i els votants juguen papers intercanviables. ...
  • Anotaciones de las bases de datos 

    Mindan, Pere J.; Raventós, Arnau; Mur, Olga; Tarrés Ruiz, Francisco; Torres Urgell, Lluís (2011-11-30)
    Report de recerca
    Accés restringit per acord de confidencialitat
    Entregable 1.2.2
  • Anotaciones de Merlín, comportamiento de universos y semántica algebraica 

    Nivela Alós, M. Pilar Brígida; Orejas Valdés, Fernando (E.T.S.I. de Telecomunicación, 1985)
    Text en actes de congrés
    Accés obert
    En este trabajo se presentan las ideas básicas seguidas para el diseño de un lenguaje de anotaciones para el lenguaje de programación Merlín. En concreto, las anotaciones se prevén en forma de especificaciones ecuacionales ...
  • Another fully abstract graph semantics for the ambient calculus 

    Mylonakis Pascual, Nicolás; Orejas Valdés, Fernando (2007-06)
    Report de recerca
    Accés obert
    The long-term aim of this work is the definition of a framework for the modelling and development of distributed mobile component-based applications. As a first step we provide a fully abstract graph semantics for the ...
  • Another look at principal curves and surfaces 

    Delicado Useros, Pedro Francisco (2001-03)
    Article
    Accés obert
    Principal curves have been defined as smooth curves passing through the “middle” of a multidimensional data set. They are nonlinear generalizations of the first principal component, a characterization of which is the basis ...