Ara es mostren els items 1-10 de 3302

  • Enzymatic and chemical treatments to obtain pulps with high-cellulose content 

    Quintana Vilajuana, Elisabet (Universitat Politècnica de Catalunya, 2016-09-19)
    Tesi
    Accés obert
    La celulosa es el polímero más abundante en la Tierra y en los últimos años ha ganado un amplio interés como fuente de nuevos productos con requisitos de procesamiento y de calidad diferentes a los procesos convencionales ...
  • Definition and use of software requirement patterns in requirements engineering 

    Palomares Bonache, Cristina (Universitat Politècnica de Catalunya, 2016-10-04)
    Tesi
    Accés obert
    The final quality of software products and services depends on the requirements stated in the Software Requirements Specifications (SRSs). However, some problems like ambiguity, incompleteness and inconsistency have been ...
  • Earth remote sensing with SMOS, Aquarius and SMAP missions 

    Pablos Hernández, Miriam (Universitat Politècnica de Catalunya, 2016-10-03)
    Tesi
    Accés obert
    The first three of a series of new generation satellites operating at L-band microwave frequencies have been launch in the last decade. L-band is particularly sensitive to the presence of water content in the scene under ...
  • Self organisation for 4G/5G networks 

    Moysen, Jessica (Universitat Politècnica de Catalunya, 2016-10-07)
    Tesi
    Accés obert
    Nowadays, the rapid growth of mobile communications is changing the world towards a fully connected society. Current 4G networks account for almost half of total mobile traffic, and in the forthcoming years, the overall ...
  • Ecological study of benthic communities in the continental shelf and upper slope in the Menorca Channel (North Western Mediterranean) 

    Grinyó Andreu, Jordi (Universitat Politècnica de Catalunya, 2016-10-17)
    Tesi
    Accés obert
    Technological development and increased availability of remotely operated vehicles and manned submersibles have significantly increased accessibility to deep environments revealing the presence of rich and diverse macrobenthic ...
  • Estudio de la actividad antioxidante de diversas plantas aromáticas y/o comestibles 

    Gallego Iradi, María Gabriela (Universitat Politècnica de Catalunya, 2016-10-24)
    Tesi
    Accés obert
    Plants analyzed in this study, aromatic plants (Rosmarinus officinalis, Thymus vulgaris and Lavandula officinalis) and other plants (Caesalpinia decapetala, Caesalpinia spinosa (Tara) and Morinda citrifolia (Noni)) have ...
  • A coupled CFD-DEM model for sand production in oil wells 

    Climent Pera, Natalia (Universitat Politècnica de Catalunya, 2016-10-17)
    Tesi
    Accés obert
    During the oil recovery a hole is drilled, the sandstone is left unsupported next to the cavity and disloged sand grains can enter the oil recovery system. This process is called sand production and several problems may ...
  • High-order hybridizable discontinuous Galerkin method for viscous compressible flows 

    Javadzadeh Moghtader, Mostafa (Universitat Politècnica de Catalunya, 2016-11-04)
    Tesi
    Accés obert
    Computational Fluid Dynamics (CFD) is an essential tool for engineering design and analysis, especially in applications like aerospace, automotive and energy industries. Nowadays most commercial codes are based on Finite ...
  • New forms of entrepreneurship and innovation for developing smart cities 

    Grimaldi, Didier (Universitat Politècnica de Catalunya, 2016-11-11)
    Tesi
    Accés obert
    Cities are receiving more and more residents while the natural resources are getting scarce and scarce. As a possible answer, diverse streams of thoughts have emerged declaring that cities need to become intelligent, wired ...
  • Numerical techniques for non-linear analysis of structures combining discrete element and finite element methods 

    Santasusana Isach, Miquel (Universitat Politècnica de Catalunya, 2016-12-01)
    Tesi
    Accés obert
    This works encompasses a broad review of the basic aspects of the Discrete Element Method for its application to general granular material handling problems with special emphasis on the topics of particle-structure interaction ...