Wear mechanisms in press hardening of boron steel : identification and laboratory study 

    Pujante Agudo, Jaume (Fecha de defensa: 2015-12-21)

    Press hardening, also known as hot stamping, is a hot sheet metal forming technique which allows producing lightweight components with complex geometry and outstanding mechanical properties. For this reason, use of press ...

    Web 2.0 aplicat a la recuperació de patrimoni històric arquitectònic: una aportació metodològica a la restitució virtual d'edificis històrics 

    Voltas Aguilar, Jordi (Fecha de defensa: 2012-02-03)

    El WEB 2.0 ha implicat compartir coneixement a un nivell sense precedents. S'han realitzat diversos models teòrics, i el fet de recollir i guardar el coneixement ha esdevingut quelcom estratègic. Una de les estructures que ...

    Web crippling and local buckling response of stainless steel sections 

    Bock Montero, Marina (Fecha de defensa: 2015-02-06)

    This thesis examines the response of stainless steel members when subjected to transverse and normal forces triggering the instability phenomena called web crippling and local buckling, respectively. Currently, the part ...

    WETWALL : an innovative design concept for the treatment of urban wastewaters 

    Castellar da Cunha, Joana Amèrica (Fecha de defensa: 2020-02-17)

    The development of society has led to a global concern regarding the improvement of resources performance, especially water. The design of nature-based solutions (NBS) for the treatment and reuse of wastewaters, in accordance ...

    What groups of factors do senior executives believe affect their use of executive information systems? 

    Cano Giner, Josep Lluís (Fecha de defensa: 2013-02-18)

    In a highly competitive and turbulent environment, executives need more efficient ways to analyze their companies, markets and competitors. The aim is to help their organizations become more competitive and, as a result, ...

    Whispering gallery microresonator for second harmonic light generation 

    Domínguez Juárez, Jorge Luís (Fecha de defensa: 2014-07-22)

    In recent years, it has been proposed that circular microresonators may become an important element in the core of many photonic devices. The high Q-factors seen in fused silica micro-spheres and micro-toroids for light ...

    White dwarf dynamical interactions 

    Aznar Siguan, Gabriela (Fecha de defensa: 2015-04-30)

    Merging white dwarfs is a promising channel to trigger Type Ia supernovae, known as the double degenerate scenario. Supernovae are stellar explosions that radiate as much energy as any ordinary star is expected to emit ...

    Wideband cognitive radio: monitoring, detection and sparse noise subspace communication 

    Font Segura, Josep (Fecha de defensa: 2014-07-24)

    We are surrounded by electronic devices that take advantage of wireless technologies, from our computer mice, which require little amounts of information, to our cellphones, which demand increasingly higher data rates. ...

    WIM-based modelling of traffic load scenarios for extreme load effects in long-span bridges 

    Wang, Xuejing (Fecha de defensa: 2023-11-28)

    (English) During the lifetime of long-span bridges, the traffic conditions are affected by the surroundings and will typically vary and also unpredictably change. In this thesis, a prior site-specific traffic load spatial ...

    Wind-driven currents in the coastal and equatorial upwelling regions 

    Castellanos Ossa, Paola (Fecha de defensa: 2012-11-12)

    During the last two decades the scientific community has recognised the importance of the tropical Atlantic Ocean and the upwelling regions on the Earth's climate. This recognition has opened new questions such as: ¿What ...

    Wireless multimedia sensor networks, security and key management 

    Almalkawi, Islam (Fecha de defensa: 2013-07-23)

    Wireless Multimedia Sensor Networks (WMSNs) have emerged and shifted the focus from the typical scalar wireless sensor networks to networks with multimedia devices that are capable to retrieve video, audio, images, as well ...

    Wireless power transfer : fueling the dots 

    Bou Balust, Elisenda (Fecha de defensa: 2017-07-17)

    Resonant Inductive Coupling Wireless Power Transfer (RIC-WPT) has been proven to provide very high power transfer efficiencies (above 80%) for moderate distances, and is hence foreseen as a key technology to enable wireless ...

    Wireless sensors embedded in high permittivity lossy media 

    González López, Giselle (Fecha de defensa: 2021-06-29)

    The design of wireless sensors for operation embedded in a medium with high losses creates a series of additional constraints that should be taken into consideration at design stage to enhance sensor performance. In such ...

    Witnessing non-Markovian evolutions 

    De Santis, Dario (Fecha de defensa: 2021-06-22)

    The formulation of quantum physics stands among the most revolutionary theories of the twentieth century. During the first decades of this century, many phenomena concerning the microscopic world were unexplained or had ...

    Wladimiro Acosta y la vivienda colectiva (1928 - 1935) : su aporte a la innovación arqueológica y tipológica en América Latina 

    Ranzini, Marcelo (Fecha de defensa: 2015-07-21)

    VVladimiro Acosta (WA) was a Russian architect with centro-european modem studies. His moving to Latin America in 1928 he meant one of the most significant contributions to Argentinian architecture. Since his arrival until ...

    World-wide analysis and modelling of the ionospheric and plasmaspheric electron contents by means of radio occultations 

    Shao, Yixie (Fecha de defensa: 2019-02-25)

    The research of this dissertation is studying the ionosphere by GPS radio occultation (RO) techniques. It is mainly divided into two parts. The first part focuses on the methodology in electron density profile retrievals ...

    WTEA : Millores de la metodologia per al desenvolupament d’auditories energètiques 

    García-Almiñana, Daniel (Fecha de defensa: 2015-09-01)

    This PhD thesis shows the results of 10 years of energy audits for buildings as a proposal for a methodological improvement in the energy audit process itself. The main findings are referred to the three key points of any ...

    WWW.CIUDAD.CONSUMO.El impacto de las redes de consumo en la reorganización del espacio urbano contemporáneo del área metropolitana de Lisboa. 

    García Louro do Nascimento e Oliveira, Margarida Maria (Fecha de defensa: 2005-04-19)

    Tanto las problemáticas de la actual urbanística metropolitana, así como su confrontación con las nuevas temáticas que caracterizan la ciudad contemporánea se han convertido en el principal campo de reflexión de la presente ...

    Xarxa ferroviària i sistema de ciutats 

    Álvarez Palau, Eduard (Fecha de defensa: 2015-12-18)

    The relationship between the railway network and the city system has been the subject of numerous studies in recent decades. The railway has assumed great importance as a key element of transport infrastructure for the ...

    Xarxes neuronals per a la generació de dissenys en blocs 

    Bofill Soliguer, Pau (Fecha de defensa: 1997-11-04)