Mostrando ítems 541-560 de 5604

    Recovery of polyphenols by extraction and purification technologies from orange and spinach processing residues 

    Montenegro Landivar, María Fernanda (Fecha de defensa: 2022-09-21)

    The residues resulting from orange and spinach processing, composed mainly by peels and seeds; and leaves, respectively, contain relevant amounts of polyphenols, so they can be used as raw material for recovery natural ...

    El recorrido en espacios de baja intensidad lumínica 

    Espinoza Cateriano, Edgard Eduardo (Fecha de defensa: 2022-09-05)

    The research focuses on how to illuminate low light intensity spaces. Different uses of those spaces serve as the start point for rethinking lighting design. The characteristics of light, surface and vision are essential ...

    Estudiantes universitarios brasileños en España: motivaciones y factores de decisión 

    Kingeski, Luciano (Fecha de defensa: 2021-07-15)

    Introduction: The mobility of international students is a phenomenon of increasing importance in the higher education scene. In recent years the number of studies in the literature and investigations has increased. Objective: ...

    São Paulo, ciudad de ciudades: de los proyectos de vivienda pública a los sistemas urbanos residenciales de interés social 

    Van Sluys, Christine (Fecha de defensa: 2022-09-12)

    The subject of this doctoral thesis is the production of social housing in Brazil, studied from the diverse legacy built specifically in the city of São Paulo over the last hundred years. The main objective of this thesis ...

    Deriving vertical total electron content maps from SMOS full polarimetric data to compensate the Faraday rotation effect 

    Rubino, Roselena (Fecha de defensa: 2022-09-16)

    The Faraday rotation is a geophysical effect that causes a rotation of the electromagnetic field components emitted by the Earth when it propagates through the ionosphere. It depends on the vertical total electron content ...

    Contribution to reliable end-to-end communication over 5G networks using advanced techniques 

    Poorzare, Reza (Fecha de defensa: 2022-09-05)

    5G cellular communication, especially with its hugely available bandwidth provided by millimeter-wave, is a promising technology to fulfill the coming high demand for vast data rates. These networks can support new use ...

    Constitutive model for fibre-reinforced composite materials exposed to high temperature 

    Pacheco Blázquez, Rafael (Fecha de defensa: 2022-09-06)

    The high strength-weight ratio of composite materials have made them one of the best materials for the design of light-weight structures. However, its special complexity has made them not suitable for the design of structures ...

    Energy-driven techniques for massive machine-type communications 

    Liesegang Maria, Sergi (Fecha de defensa: 2022-11-07)

    In the last few years, a lot of effort has been put into the development of the fifth generation of cellular networks (5G). Given the vast heterogeneity of devices coexisting in these networks, new approaches have been ...

    Vegetable Fiber Reinforced Calcium Aluminate Cement based composites for construction materials VFRCCs 

    Gorgani, Nourjemal (Fecha de defensa: 2022-09-15)

    Vegetable Fiber Reinforced Cement Composite Materials (VFRCC) have emerged as a potential construction material, providing adequate load-bearing capacity and ductility for non-structural applications. VFRCC have good ...

    Barocaloric effects at first-order phase transitions 

    Aznar Luque, Araceli (Fecha de defensa: 2021-04-15)

    Current refrigeration devices, based on vapour-compression cycles, employ refrigerants such as HFCs, which exhibit a global warming potential a thousand times higher than the one produced by CO2,. Furthermore, the increasing ...

    Hydro-mechanical behaviour of pellet/powder mixture of bentonite and impact of gas migration 

    Mesa Alcantara, Arisleidy (Fecha de defensa: 2021-07-02)

    The hydro-mechanical behaviour of MX80 bentonite pellet-based mixture (80% high-density pellets in dry mass and crushed granular powder) has been explored in this thesis within the context of the French ‘Vertical Sealing ...

    Development of acrylic pressure-sensitive adhesives for the labelling of glass bottles 

    Márquez Fibla, Irene (Fecha de defensa: 2022-09-14)

    Labels misplacement in the bottles are currently causing problems in wine cellar's labelling lines. According to data provided by Codorníu and Torres cellars, 1% of the bottles present this issue. Once the wine or cava ...

    Contribution to multi-domain network slicing : resource orchestration framework and algorithms 

    Kibalya, Godfrey Mirondo (Fecha de defensa: 2022-07-26)

    5G/6G services and applications, in the context of the eMBB, mMTC and uRLLC network slicing framework, whose network infrastructure requirements may span beyond the coverage area of a single Infrastructure Provider (InP), ...

    Use of advanced analytics for health estimation and failure prediction in wind turbines 

    Beretta, Mattia (Fecha de defensa: 2022-07-21)

    The energy sector has undergone drastic changes and critical revolutions in the last few decades. Renewable energy sources have grown significantly, now representing a sizeable share of the energy production mix. Wind ...

    Anàlisi de patrons funcional i estructurals en la regulació del calci en les cèl·lules cardíaques 

    Nolla Colomer, Carme (Fecha de defensa: 2021-05-28)

    In 2019 the data published by the World Health Organization showed that the cardiac ischemia is the first cause of death worldwide. These diseases are caused by irregularities of the contractile mechanism’s function, ...

    Computational and experimental thermo-mechanics of metal additive manufacturing : stress, warpage, cracks and properties 

    Lu, Xufei (Fecha de defensa: 2022-07-15)

    The objectives of this thesis are (i) to understand the thermal, metallurgical and mechanical behavior during AM, (ii) to shed light on the generation of residual stresses and the stress-induced deformations and cracks, ...

    Biomedical applications of hybrid polymer-based materials 

    Enshaei, Hamidreza (Fecha de defensa: 2022-04-24)

    Polymers have been widely used in biomedical applications for drug delivery purposes in the last decades. However, ordinary long­ term drug delivery systems are sometimes associated with undesired side effects if the ...

    L'experiència acadèmica i el benestar de l'estudiantat en situació de risc en estudis STEM 

    Baltà Salvador, Rosó (Fecha de defensa: 2022-06-29)

    One of the main goals of the 2030 Agenda for sustainable development is to guarantee quality education for all students, especially the most vulnerable. Engineering studies are a key element in educating and training future ...

    Development of scaffolds by thermally-induced phase separation from biodegradable poly(3-hydroxybutyrate-co-3-hydroxyvalerate) and poly(butylene succinate) 

    Zeinali, Reza (Fecha de defensa: 2021-11-22)

    TIPS process followed by freeze-dtying was used to prepare blodegradable and biocompatible matrices from poly(3- hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) containing 5 and 12 wt% of 3-hydroxyvalerate (HV) and poly(butylene ...

    Design of a hysteresis predictive control strategy with engineering application cases 

    Ponce de León Puig, Nubia Ilia (Fecha de defensa: 2021-12-10)

    This doctoral thesis exposes the development of a redesigned Predictive Control strategy that uses hysteresis to improve the performance of the controlled systems in different fields of application. The approach may use ...