Now showing items 1857-1876 of 5566

    Efectos de los huecos de tensión en las máquinas de inducción y en los transformadores trifásicos 

    Guasch Pesquer, Luis (Date of defense: 2006-01-15)

    Este trabajo se enmarca dentro de la calidad del suministro de energía eléctrica y, en concreto, en el efecto que producen los huecos de tensión en las máquinas de inducción y en los transformadores trifásicos.<br/>En ...

    Efectos genéticos, ambientales y de interacción sobre componentes químicos relacionados con el valor sensorial de las judias grano 

    Flórez Vergara, Alexy (Date of defense: 2008-02-08)

    Asistimos en la actualidad a una constante pérdida de la diversidad genética de los cultivos. Paralelamente en muchas zonas del mundo, especialmente en los países más desarrollados, se produce una regresión de la agricultura ...

    Effect of alkaline conditions on near-field processes of a spent nuclear fuel geological repository 

    Martínez Torrents, Albert (Date of defense: 2015-03-17)

    The contact ofthe spent nuclear fuel (SNF) with water dueto a failure in the canister would be a conservative but still plausible hypothesis in the safety assesment of a deep geologic repository (DGR). Concrete and ...

    Effect of deformation on the mechanical behavior of an advanced steel of high resistance with high manganese content 

    Lima, Marcos Natan da Silva (Date of defense: 2023-06-30)

    (English) Pre-salt oil exploration means a new development path for Brazil. This activity stimulates investments from national and foreign companies, boosts the production of technology, promotes greater professional ...

    Effect of design and operational factors on the removal of emerging organic contaminants in constructed wetlands for wastewater treatment 

    Ávila Martín, Cristina (Date of defense: 2013-12-09)

    Water of quality constitutes a scarce and essential resource for life and public health, and its sustainable management is of crucial importance. Thus, wastewater treatment, reuse and reclamation represent a key practice ...

    Effect of doping ions and organic molecules on the precipitation and biological interactions of nanostructured calcium phosphates 

    Zhao, Zhitong (Date of defense: 2015-11-20)

    From a chemical and structural point of view, hydroxyapatite (HA) is a strong candidate in biomedical applications owing to its similarity to the inorganic components of bones and teeth. HA nanoparticles (NPs) as colloidal ...

    Effect of microstructural and chemical cues on the in vitro cell response to calcium phosphates 

    Sadowska, Joanna Maria (Date of defense: 2018-07-24)

    Bone has a natural ability to regenerate. However, it cannot bridge large defects without the additional help of a supporting material. Among the different synthetic bone grafts, calcium phosphates (CaPs) are excellent ...

    Effect of precursors and thermal processing on acrylamide formation in synthetic potato models. Validation with potato cultivars 

    Bachir, Nivine (Date of defense: 2023-07-28)

    (English) Acrylamide is a toxic compound and is classified as a probable human carcinogen. In recent decades, international organizations have established levels of safety for ingestion due to its harmful effects endangering ...

    Effect of redox conditions on the fate of emergin organic micropollutants during artificial recharge of groundwater: batch experiment 

    Barbieri, Manuela (Date of defense: 2011-07-22)

    La recarrega artificial de les aigües subterrànies consisteix en infiltrar aigua als aqüífers per mitjà de les instal·lacions dissenyades per a tal fi i representa una eina important en la gestió dels recursos. A més de ...

    Effect of thermal cycles on rock massif stability 

    Villarraga Díaz, Claudia Juliana (Date of defense: 2018-02-28)

    The environmental conditions may play a relevant role in the stability of rock slopes. In fact, weathering can contribute to the reduction of strength of the material, while atmospheric actions may increase internal stresses ...

    The effectiveness of knowledge and technology transfer through university-business collaboration in science parks 

    Olvera, Caludia (Date of defense: 2019-09-17)

    Science and Technology Parks (STPs) facilitate the flow of knowledge and technology among universities; R&D institutions; companies and markets, and foster the creation and growth of innovation-based companies. Among the ...

    Effects of atmospheric deposition on microbial dynamics and composition in two anthropogenically-influenced contrasted coastal sites 

    Marín Beltrán, Isabel (Date of defense: 2017-07-21)

    The Mediterranean Sea is an oligotrophic basin, while the atmosphere above is affected by continuous emissions of anthropogenic aerosols and episodic Saharan dust events. These atmospheric inputs finally deposit (as wet ...

    Effects of climate change on wave climate and consequent coastal impacts : application to the Catalan coast (NW Mediterranean Sea) 

    Casas Prat, Mercè (Date of defense: 2014-01-20)

    Climate change is a hot research topic due to the consequent impacts on our environment in the near future. The last report of the International Panel on Climate Change' the leading international body for assessment of ...

    Effects of cold atmospheric plasmas on biomaterials: hydrogels and composites with calcium phosphates 

    Solé Martí, Xavier (Date of defense: 2023-07-13)

    (English) This PhD thesis is framed in the European Research Council starting grant project "Atmospheric Pressure plasma meets biomaterials far bone Cancer HEaling (APACHE)". The APACHE project is focused on the design of ...

    Effects of flow control on flow past bluff bodies 

    Mushyam, Aditya (Date of defense: 2016-11-23)

    The aim of this Ph.D. thesis, "Effects of flow control on flow past bluff bodies" is to study and analyzes the effects of Flow Control on various aspects and proverbs of flow past bluff bodies. Flow control techniques are ...

    Effects of long-term forest fire retardants on fire intensity, heat of combustion of the fuel and flame emissivity 

    Àgueda Costafreda, Alba (Date of defense: 2009-10-30)

    Cada any milers d'hectàrees forestals es destrueixen a causa dels incendis forestals. Investigar quins són els mecanismes que controlen la ignició i la propagació dels incendis forestals és necessari per planificar estratègies ...

    Effects of melt blended poss nanofillers on pom and ABS thermal stability 

    Vilà Ramírez, Narciso (Date of defense: 2014-02-28)

    This PhD thesis investigated the incorporation of Polyhedral Oligomeric Silsesquioxanes (POSS) in thermoplastic base materials via melt-blending procedures. Particularly, a focus is taken on the enhancement of the thermal ...

    Effects of vibrations applied to fluids at different gravity levels 

    Garcia Sabaté, Anna (Date of defense: 2016-06-20)

    Due to the increasing interest in space exploration, management of two-phase flows in the absence of gravity has become a key aspect in improving the efficiency of technological applications for space missions. Understanding ...

    Efficient algorithms for passive network measurement 

    Sanjuàs Cuxart, Josep (Date of defense: 2012-03-23)

    Network monitoring has become a necessity to aid in the management and operation of large networks. Passive network monitoring consists of extracting metrics (or any information of interest) by analyzing the traffic that ...

    Efficient algorithms for the realistic simulation of fluids 

    Ojeda Contreras, Jesús (Date of defense: 2013-05-28)

    Nowadays there is great demand for realistic simulations in the computer graphics field. Physically-based animations are commonly used, and one of the more complex problems in this field is fluid simulation, more so if ...