Mostrando ítems 31-40 de 47
Martín Vilardell, Anna (Fecha de defensa: 2017-01-25)
The Cold Spray (CS) is a novelty technique for the production of coatings within the field of Thermal Spray. The use of low work temperatures (under the melting point of the material) is what makes it ...
Mamani Challapa, Verónica Lisbeth (Fecha de defensa: 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 ...
Svobodova, Adela (Fecha de defensa: 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 ...
Biserova Tahchieva, Alisiya (Fecha de defensa: 2021-01-22)
Los diferentes grados de aceros inoxidables dúplex (DSS) se caracterizan por sus atractivas propiedades de resistencia mecánica y resistencia a la corrosión, debido a su microestructura equilibrada de ...
Alcón Rovira, Isaac (Fecha de defensa: 2018-03-14)
In this PhD thesis I have studied through state-of-the-art quantum simulations (mainly within the density functional theory approach, DFT) triarylmethyl (TAM) based systems with potential for future ...
Posada Pérez, Sergio (Fecha de defensa: 2018-03-12)
Our society has a problem with the use of fossil fuels, due to the vast and exceeding emissions derived from human activities. Two ways could be consider to mitigate these harmful effects. On the one ...
Lamiel Garcia, Josep Oriol (Fecha de defensa: 2017-09-27)
En aquesta tesi s’han realitzat càlculs DFT per tal d’estudiar els sistemes TiO2 i ZnO i poder analitzar-ne les característiques de l’estructura electrònica, geometria i estabilitat energètica principalment. ...
Escobar Romero, Ana Maria (Fecha de defensa: 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 ...
Macià Escatllar, Antoni (Fecha de defensa: 2020-09-04)
The research presented in this thesis contributes to the understanding of both titania and silicate nanosystems by providing new information on energetic stability and properties of nanometer sized ...
Cortijos i Aragonès, Albert (Fecha de defensa: 2017-05-22)
Inspired by the proposal that single molecules will be functional elements of future nanoelectronic and Spintronics devices, there exists considerable interest in understanding charge transport in ...