Ara mostrant els elements 1329-1348 de 1754

    Occurrence of antibiotic resistance genes in aquatic microbial communities exposed to anthropogenic activities 

    Marti Serrano, Elisabet (Data de defensa: 2014-03-07)

    The overuse of antibiotics has led to the selection of resistant strains. This thesis investigated the occurrence of antibiotic resistance genes (ARGs) in aquatic microbial communities influenced by anthropogenic activities. ...

    On intentional and social agents with graded attitudes 

    Casali, Ana (Data de defensa: 2008-12-16)

    La principal contribución de esta Tesis es la propuesta de un modelo de agente BDI graduado (g-BDI) que permita especificar una arquitetura de agente capaz de representar y razonar con actitudes mentales graduadas. ...

    On the use of energy decomposition analyses to unravel the origin of the relative stabilities of isomers 

    El Hamdi Lahfid, Majid (Data de defensa: 2013-10-15)

    Structural isomers are molecules that have the same number and type of atoms but arranged in different manner. The isomerization energy is the energy difference between two isomers, i.e. the energy cost corresponding to ...

    One-shot pattern projection for dense and accurate 3D reconstruction in structured light 

    Fernández Navarro, Sergio (Data de defensa: 2012-06-22)

    This thesis focuses on the problem of 3D acquisition using coded structured light (CSL). In CSL, a projected pattern impinges artificial texture onto the object surface, increasing the number of correspondences in the ...

    Online 3D view planning for autonomous underwater exploration 

    Vidal Garcia, Eduard (Data de defensa: 2019-11-28)

    Autonomous underwater vehicles are used nowadays in many applications. One of the applications is mapping of a particular area of the ocean. Quen the robot needs to cover the area of interest and no prior knowledge of ...

    Online acoustic localization methods for autonomous underwater vehicles 

    Vallicrosa Massaguer, Guillem (Data de defensa: 2018-11-15)

    Autonomous Underwater Vehicles (AUVs) true autonomy capabilities in complex unknown environments, have not yet been fully achieved because of the lack of online algorithms that can solve fundamental problems such as ...

    Online path planning for autonomous underwater vehicles under motion constraints 

    Hernández Vega, Juan David (Data de defensa: 2017-10-26)

    The most common applications of autonomous underwater vehicles (AUVs) include imaging and inspecting different kinds of structures on the sea. Most of these applications require a priori information of the area or structure ...

    Onomàstica osorenca. Toponímia pretèrita i present dels termes municipal i parroquial d'Osor (La Selva) 

    Bruguera i Ligero, Fèlix (Data de defensa: 2006-11-24)

    La present tesi consisteix en un recull toponímic pretèrit i present del terme d'Osor, comarca de la Selva a les Guilleries. S'hi recullen prop de 3600 noms de lloc recollits oralment o en documentació antiga sobre els ...

    Operation and control of SBR processes for enhanced biological nutrient removal from wastewater 

    Puig Broch, Sebastià (Data de defensa: 2008-01-15)

    In the last decades, the awareness of environmental issues has increased in society considerably. There is an increasing need to improve the effluent quality of domestic wastewater treatment processes. This thesis describes ...

    Operational strategies towards nitritation-anammox implementation for mainstream municipal wastewater treatment 

    Akaboci, Tiago Rogeiro Vitor (Data de defensa: 2019-07-15)

    Anammox-based processes have been commonly applied for the treatment of reject water (high nitrogen content and low C:N ratio), in the sidestream line of urban wastewater tretament plants (WWTP). However, in recent years, ...

    Optimal management of natural resources. Accounting for heterogeneity 

    Xabadia i Palmada, Àngels (Data de defensa: 2003-06-06)

    Dynamic optimization methods have become increasingly important over the last years in economics. Within the dynamic optimization techniques employed, optimal control has emerged as the most powerful tool for the theoretical ...

    Optimisation methods meet the smart grid. New methods for solving location and allocation problems under the smart grid paradigm 

    Torrent-Fontbona, Ferran (Data de defensa: 2015-06-23)

    The smart grid offers a new infrastructure for the management of energy demand and generation towards a sustainable future. Accordingly, there is the objective to provide consumers with a response capacity to stimuli of ...

    Optimització d'extracció de diluents no reactius en tintes / adhesius aplicats sobre substrats per a envasos flexibles 

    Ricart Ferrer, Josep (Data de defensa: 2019-02-07)

    The reason for the writing of this doctoral thesis arises from the commitment adopted by COMEXI in order to put its products in the market making his products more sustainable and environmentally friendly. Is in this ...

    Optimització del procés productiu d'engreixament porcí. Un enfocament operatiu 

    Castro Vila, Rodolfo de (Data de defensa: 2001-07-17)

    Aquest treball de tesis doctoral tracta de la Optimització de la fase d'engreix. L'objectiu és determinar les condicions d'enviament a sacrifici d'un lot d'animals des d'un punt de vista operatiu. En primer lloc es fa una ...

    Optimización del diseño de los filtros de arena utilizados en sistemas de riego por goteo 

    Bové Masmiquel, Josep (Data de defensa: 2018-04-27)

    To achieve a sand filter design that reduce its pressure loss, computational fluid dynamics (CFD) tecnique was used combined with laboratory tests in a scaled filter using different filter media. The CFD models allowed to ...

    Optimization of inverse reflector design 

    Mas Baixeras, Albert (Data de defensa: 2011-03-30)

    Aquesta tesi presenta un nou mètode pel disseny invers de reflectors. Ens hem centrat en tres temes principals: l’ús de fonts de llum reals i complexes, la definició d’un algoritme ràpid pel càlcul de la il•luminació del ...

    Orchestrating organisational transformation for business model innovation towards servitization in the automotive industry 

    Kukkamalla, Prasanna Kumar (Data de defensa: 2020-10-23)

    The objective of this dissertation is to present a firm’s business model innovation (BMI) and organisational change during the servitization process. It mainly aims to produce new knowledge on BMI and the factors that ...

    La organización política, administrativa y territorial del Protectorado de España en Marruecos (1912-1956). El papel de las Intervenciones 

    Villanova, José Luis (Data de defensa: 2003-06-27)

    This doctoral thesis analyses the political and administrative organization that was introduced by Spanish administrators in Morocco for the establishment of the Protectorate. The first part provides an overview of the ...

    Origin and fate of nitrite in model ecosystems: case studies in groundwater and constructed wetlands 

    Hernández del Amo, Elena (Data de defensa: 2019-10-04)

    Nitrogen pollution in water is common in our environment, especially in places affected by agriculture and livestock, industry or wastewater discharge areas. Ammonium and nitrate are the most common pollutants and can be ...

    Els orígens de la recerca arqueològica a la Vall d'Aro (Baix Empordà): de l'excursionisme científic a la consolidació de l'arqueologia franquista 

    Aicart i Hereu, Francesc (Data de defensa: 2013-10-10)

    Aquesta tesi analitza des de la perspectiva de la història de l'arqueologia, l'evolució de la recerca arqueològica en un territori concret, la vall d'Aro, en el nord-est de Catalunya, des de la dècada dels setanta del segle ...