Now showing items 1-20 of 1770

    Cognitive challenges in captive chimpanzees: behavioral and welfare implications and influence of personality 

    Padrell Dalmau, Maria (Date of defense: 2024-05-29)

    The majority of chimpanzees living in captivity will remain in this situation for life. Reintroducing them to their natural habitats is extremely challenging, even in rescue and rehabilitation centers in their countries ...

    High-volume manufacturing of advanced composite parts: reducing waste and curing time while maintaining high performance 

    González Ruiz, Jose Antonio (Date of defense: 2024-05-27)

    Historically, the manufacture of advanced composite parts has been characterised by low-volume production, but is increasingly moving towards mass production. This new scenario, where competitiveness is on the rise, requires ...

    Operation and control of high rate activated sludge process in urban wastewater treatment plants 

    Canals Tuca, Joan (Date of defense: 2024-05-21)

    This doctoral thesis focuses on the High Rate Activated Sludge (HRAS) process, which emerges as an alternative to the primary clarifier in activated sludge systems (CAS) to reduce energy consumption, analysing its effects ...

    Oriented external electric fields in chemistry: development and application of new methods to simulate molecular response properties and reactivity 

    Besalú Sala, Pau (Date of defense: 2024-05-20)

    In this PhD thesis, we explore the fundamental properties of molecules and materials that shape their behavior and potential applications in science and technology. Specifically, we focus on developing advanced computer ...

    Exploring the boundaries of aromaticity through computational analysis of excited states and complex molecular topologies 

    Escayola Gordils, Sílvia (Date of defense: 2024-05-14)

    Aromaticity is a widely used concept in the prediction, design, and understanding of key aspects related to reactivity, structure, and properties of molecules. Linked to cyclic or three-dimensional molecular systems, it ...

    Eclipse chasing and sustainable tourism development. Case study: three solar eclipses in Spain in 2026/27/28 

    Soltanolkotabi, Mohammad (Date of defense: 2024-04-24)

    A total solar eclipse is one of the most spectacular nature’s shows and a significant motivation for many people to travel and see the totality as a once in a lifetime experience. Host communities within the path of totality ...

    Polimorfismos de los genes moduladores de la respuesta inmune como predictores de recaída en los pacientes con mieloma múltiple 

    Gonzalez Montes, Yolanda (Date of defense: 2024-04-12)

    Multiple myeloma (MM) remains an incurable disease despite the incorporation of new therapies. The natural history of disease is of the relapse following treatments due to the re-emergence of the tumour from residual disease ...

    On the generation of design allowables of composite coupons accounting for defects using a multi-fidelity approach 

    Vallmajó Martín, Oriol (Date of defense: 2024-04-12)

    Composite structures play a crucial role in lightweight applications due to their exceptional mechanical performance and low density. However, their anisotropic behavior and susceptibility to uncertainties, such as ...

    Protección y conservación de especies animales: responsabilidad del Estado Colombiano 

    Monsalve Mantilla, Milton Duban (Date of defense: 2024-04-05)

    This research studies the main paradigms that arise in the relationship between human and non-human animals in the Colombian legal system and the national and international legal instruments that are used for the categorization ...

    Historia del inicio y desarrollo del teatro moderno en Barcelona (1579-1606) 

    Moreno Jimenez, Sergio (Date of defense: 2023-11-03)

    The present work gathers, classifies, orders and contextualizes more than two hundred documents found in various archives and libraries and unknown up until now, related to the first stage of development of the modern drama ...

    Food safety evaluation and management approaches in dry-cured meat products 

    Austrich i Comas, Anna (Date of defense: 2024-04-03)

    This doctoral thesis focuses on the study of the behavior of foodborne pathogens during the production process and/or storage of dry-cured meat products, including chicken-based fermented sausages and pork dry-cured ham. ...

    Una ecoética para el siglo XXI: la preocupación de José Ferrater Mora por la naturaleza 

    Molina Olivencia, Esther (Date of defense: 2024-03-21)

    José Ferrater Mora has been recognized as one of the most original and difficult to categorize thinkers of the 20th century. A tireless and restless intellectual, he was interested in a multitude of fields of knowledge ...

    Electro bioremediation of nitrate contaminated groundwater: from laboratory to on site pilot plant 

    Ceballos-Escalera Lopez, Alba (Date of defense: 2024-03-20)

    Water stands out as the most essential resource currently under serious threat. The combination of water scarcity and increasing pollution of available water poses significant challenges to governance and society. Typically, ...

    Avaluació de l'efecte d'una estimulació auditiva rítmica sobre els paràmetres de la marxa i equilibri en persones amb ictus 

    Gonzalez-Hoelling, Samira (Date of defense: 2024-03-18)

    Stroke is the leading cause of functional motor disorders in adults and, in most cases, alters gait patterns and balance when standing and walking. Rhythmic techniques are recommended to improve gait and balance, since ...

    Síndrome de l’espai gluti profund (deep gluteal syndrome). Bases anatòmiques de la seva fisiopatologia i indicacions quirúrgiques 

    Servitja Tormo, Ramon (Date of defense: 2024-03-15)

    Pain in the buttock region without lumbar pathology will lead us to focus the study on the region of the subgluteal space. This is defined as the deep gluteal syndrome. The deep gluteal syndrome is a condition with a very ...

    Balance or imbalance? The interplay of hydrology and nutrient dynamics in Mediterranean coastal lagoons 

    Meredith, Warren (Date of defense: 2024-03-14)

    Coastal wetlands and lagoons are some of the most fluctuating and productive ecosystems in the world. As transition zones between marine and continental environments, they provide numerous ecosystem services, including the ...

    La conectividad marítima en el occidente mediterráneo durante la República Romana (ss. III-I a.C.) 

    Cabezas Guzmán, Gerard (Date of defense: 2024-03-13)

    Maritime connectivity played a pivotal role in the expansion of the Roman Republic in the Western Mediterranean. In this PhD thesis, I aim to address the study of such a connectivity from a multidisciplinary perspective, ...

    Morphometric seagrass thresholds for hydrodynamics and sediment capture 

    Barcelona Arbat, Aina (Date of defense: 2024-03-11)

    Seagrass meadows are globally extensive nearshore ecosystems known as coastal engineers that provide key ecological services in coastal areas such as attenuating wave and turbulence and promoting sediment deposition. ...

    Air pollutants and mental health of children in a rural region using compositional spatio-temporal models 

    Mota Bertran, Anna (Date of defense: 2024-03-06)

    This doctoral thesis addresses the relationship between the air pollutants particulate matter (PM10), nitrogen dioxide (NO2), ozone (O3), sulphur dioxide (SO2), carbon monoxide (CO), and mental disorders in children and ...

    Multisectoral models for water management under droughts and climate change 

    Ortuzar Fernández, Iban (Date of defense: 2024-03-04)

    The escalating conflicts and competition for freshwater resources are widely acknowledged. The demand for water is on the rise due to rapid population growth and socioeconomic development, while climate change is disrupting ...