Ara es mostren els items 20530-20549 de 244456

    • Anodización del titanio para la mejora ante la degradación química de material quirúrgico 

      Valentí, J.; Guash, J.; Sevilla, P.; Gil, F.J. (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 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 detection in the infrared spectrum of Plasma Physics at Weldenstein 7-X 

      Palacios Corral, Aina (Universitat Politècnica de Catalunya, 2019-06-27)
      Treball Final de Grau
      Accés obert
      Las energías renovables son el futuro, y el estudio de estas todavía está en investigación y desarrollo. Los reactores de fusión pueden dar paso a un nuevo mundo dentro de la energía nuclear, muy diferente del que conocemos ...
    • Anomalies manifestades en el junt de dilatació dels sostres d’un aparcament soterrani en una plaça pública 

      Zamora i Mestre, Joan-Lluís; Gimferrer Vilaplana, Xavier (2019)
      Text en actes de congrés
      Accés obert
      Uns anys després de l’execució de l’obra d’aquest aparcament soterrani es va detectar un trencament lineal i un descens relatiu generalitzat a tot el junt de dilatació del sostre de la primera planta. Immediatament es va ...
    • Anomalies of oxygen measurements performed with aanderaa optodes 

      lo Bue, N.; Vangriesheim, A.; Khripounoff, A.; Soltwedel, T. (SARTI, 2011)
      Article
      Accés obert
    • Anomalies study in VTEC from SMOS data 

      Roura Garcés, Sergi (Universitat Politècnica de Catalunya, 2023-07-06)
      Treball Final de Grau
      Accés obert
      The main goal is to analyze the SMOS measurements and determine if there is any sign on them that could determine the possible effects of these natural phenomena on the ionosphere.
    • Anomalías constructivas en la edificación residencial 

      Díaz Gómez, César; Cornadó Bardón, Còssima; Arribas Amo, Jesús Ángel; Guma Esteve, Ramon; Martín García, Estefanía; Santamaria Garcia, Pere; Seguí Pié, Marc; Vima Grau, Sara (Iniciativa Digital Politècnica. Oficina de Publicacions Acadèmiques Digitals de la UPC, 2021-10)
      Llibre
      Accés restringit a la comunitat UPC
      El término Anomalía admite un amplio abanico de significados, todos ellos relacionados con algo que no es normal, que no se aviene a la regla, que es defectuoso. En el libro se describen y comentan las situaciones anómalas ...
    • 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 behavior of thermal conductivity at high temperatures for molecular crystals composed of flexible molecules 

      Horbat¿nko, Yuliia V.; Romantsova, Olesia O.; Korolyuk, Oksana A.; Jezowski, Andrzej; Szewczyk, Daria; Tamarit Mur, José Luis; Krivchikov, Alexander (2019-04-01)
      Article
      Accés obert
      The temperature dependence of thermal conductivity ¿(¿) of selected molecular polycrystals consisting of flexible molecules was investigated within 20–260¿K. The materials were para-chloronitrobenzene, pentachloronitrobenzene ...
    • Anomalous diffusion : from life to machines 

      Muñoz Gil, Gorka (Universitat Politècnica de Catalunya, 2020-11-09)
      Tesi
      Accés obert
      Diffusion refers to numerous phenomena, by which particles and bodies of all kinds move throughout any kind of material, has emerged as one of the most prominent subjects in the study of complex systems. Motivated by the ...
    • Anomalous diffusion in axismmetric photonic crystals 

      Sardà Ventosa, Meritxell (Universitat Politècnica de Catalunya, 2014-12-09)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      In the proposed work such structures are to be numerically simulated in order to justify the expected behaviour, as well as measured experimentally. The samples for the experimental part of the study are being fabricated ...
    • 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 ...
    • Anomalous scaling in the Zhang model 

      Pastor Satorras, Romualdo; Vespignani, Alessandro (Springer, 2000-10-04)
      Article
      Accés obert
      We apply the moment analysis technique to analyze large scale simulations of the Zhang sandpile model. We find that this model shows different scaling behavior depending on the update mechanism used. With the standard ...
    • Anomalous structural evolution and glassy lattice in mixed-halide hybrid perovskites 

      Shahrokhi, Shamim; Dubajic, Milos; Zhan Dai, Zhi; Bhattacharyya, Saroj; Mole, Richard; Rule, Kirrily C.; Bhadbhade, Mohan; Tian, Ruoming; Mussakhanuly, Nursultan; Guan, Xinwei; Yin, Yuewei; Nielsen, Michael P.; Hu, Long; Lin, Chun-Ho; Chang, Shery L.Y; Wang, Danyang; Kabakova, Irina V.; Conibeer, Gavin; Bremner, Stephen; Guang Li, Xiao; Cazorla Silva, Claudio; Wu, Tom (2022-04-28)
      Article
      Accés obert
      Hybrid halide perovskites have emerged as highly promising photovoltaic materials because of their exceptional optoelectronic properties, which are often optimized via compositional engineering like mixing halides. It is ...
    • Anomalous subduction initiation: young under old oceanic lithosphere 

      Zhang, Lulu; Zlotnik, Sergio; Li, Chun-Feng (2021-05-17)
      Article
      Accés obert
      When subduction initiates along a transform fault, it is often interpreted that the older and therefore denser oceanic lithosphere should evolve into the downgoing plate. However, in the western Pacific, several geological ...
    • Anomalous transient blueshift in the internal stretch mode of CO/Pd(111) 

      Bombín Escudero, Raul; Sánchez Muzas, Alberto Pablo; Novko, Dino; Juaristi Oliden, Joseba Iñaki; Alducin, Maite (American Physical Society (APS), 2023-03-10)
      Article
      Accés obert
      In time-resolved pump-probe vibrational spectroscopy the internal stretch mode of polar molecules is utilized as a key observable to characterize the ultrafast dynamics of adsorbates on surfaces. The adsorbate nonadiabatic ...
    • Anomaly detection for fault detection in wireless community networks using machine learning 

      Cerdà Alabern, Llorenç; Iuhasz, Gabriel; Gemmi, Gabriele (Elsevier, 2023-03-15)
      Article
      Accés obert
      Machine learning has received increasing attention in computer science in recent years and many types of methods have been proposed. In computer networks, little attention has been paid to the use of ML for fault detection, ...
    • Anomaly detection in electromechanical systems by means of deep-autoencoder 

      Arellano Espitia, Francisco; Delgado Prieto, Miquel; Martínez Viol, Víctor; Fernández Sobrino, Ángel; Osornio Rios, Roque A. (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés obert
      Anomaly detection in manufacturing processes is one of the main concerns in the new era of the Industry 4.0 framework. The detection of uncharacterized events represents a major challenge within the operation monitoring ...