Now showing items 1-12 of 12
Maldonado Alameda, Alex (Date of defense: 2021-06-28)
Municipal solid waste incineration (MSWI) is the most widely used solution in those countries where landfilling areas are limited. Incineration allows reducing the total volume of waste (up to 90%) and generating energy ...
Macías Benalcázar, Jenifer Gabriela (Date of defense: 2022-05-20)
Los sulfuros metálicos tienen un papel fundamental en los materiales de fricción, en los que actúan como aditivos que estabilizan el coeficiente de fricción y reducen el desgaste a alta temperatura. Estas propiedades de ...
Barcelona Pons, Pol (Date of defense: 2023-01-27)
[cat] La estereolitografia (SLA) és la primera de les tecnologies de fabricació additiva desenvolupada. Aquesta consisteix en la fotopolimerització d’una resina líquida per capes mitjançant la irradiació selectiva de l’àrea ...
Rius Ayra, Oriol (Date of defense: 2019-10-30)
A la natura existeixen diferents animals o plantes com ara els sabaters (Gerris remigis), la flor de lotus (Nelumbo nucifera) o les fulles d’arròs (Oriza sativa) que presenten propietats extraordinàries com ara l’auto-neteja ...
Mamani Challapa, Verónica Lisbeth (Date of defense: 2019-07-05)
Los sistemas de almacenamiento de energía termoquímica presentan la ventaja de usar materiales que almacenan una alta densidad energética por un tiempo ilimitado, características importantes para ser aprovechadas para ...
Ferrer, Josep Mª (Date of defense: 2023-09-06)
[spa] Esta tesis está enfocada en la búsqueda de hitos y nuevos conceptos que permitan la mejora de un producto que actualmente está dominando el mercado en su nicho de negocio español: las tuberías de PP-RCT. La empresa ...
Escobar Romero, Ana Maria (Date of defense: 2018-12-09)
La modificació de les superfícies dels materials permet obtenir propietats diferents a les que presenta el substrat prèviament o preservar-lo del medi que l’envolta. Les tècniques emprades amb aquest objectiu són molt ...
Calvo de la Rosa, Jaume (Date of defense: 2019-10-25)
This doctoral Thesis has been focused on the preparation of magnetic materials by different methods, the characterization of their structural characteristics, and the understanding of their mechanical and magnetic properties. ...
Oriol López, Roger (Date of defense: 2023-10-23)
[eng] Groundwater has been traditionally considered a reliable source of freshwater. However, the low replenishment rates and the increasing contamination due to different anthropogenic activities, such as the use of ...
Svobodova, Adela (Date of defense: 2022-07-19)
For the development of more compact and efficient thermal systems, nanofluids are presented as a promising option to replace conventional heat transfer fluids. Nanofluids are a suspension of low concentration of nanoparticles ...
Garcia Cardona, Júlia (Date of defense: 2023-12-04)
[eng] Conventional catalysts for polymer electrolyte fuel cells are based on Pt supported on porous carbons, generally carbon blacks. However, Pt is expensive and scarce and is poisoned by CO, which is present in the ...
Calderón Díaz, Alejandro (Date of defense: 2019-10-24)
Renewable energies have a major role in today’s energy systems development, energy security and climate change fight. Thermal Concentrating Solar Power (CSP) has the potential to get up to 11.3% of world’s electricity ...