Now showing items 2931-2950 of 5527

    Integrated photonic transmitters for secure space quantum communication 

    Jofre Cruanyes, Marc (Date of defense: 2013-04-15)

    An important issue in today's information society is the security of data transmission against potential intruders, which always put at risk the confidentiality. Current methods to increase security require that the two ...

    Integrated scheduling decision making in enterprise wide optimization 

    Capón García, Elisabet (Date of defense: 2011-06-28)

    In the current environment of markets globalization and fierce competition, process industries must strive to remain competitive. In this sense, companies pursue decision integration among the different space and time ...

    Integrated solutions for the energy and seismic retrofit of existing buildings 

    Lops, Camilla (Date of defense: 2020-12-15)

    European building stock is characterised by low energy efficiency and high structural vulnerability with respect to earthquakes, especially in seismic prone areas like Italy. In fact, the vast majority of buildings has ...

    Integrated support system for planning and scheduling of batch chemical plants 

    Cantón Padilla, Jorge (Date of defense: 2003-06-17)

    La planificación de la producción en plantas de proceso discontinuo es uno de los problemas más complejos e importantes para una amplia variedad de procesos industriales. A pesar de esta importancia la planificación de la ...

    Integration and electrical manipulation of single-photon sources in 2-dimensional devices 

    Ciancico, Carlotta (Date of defense: 2021-12-09)

    Quantum nanophotonics aims at studying the interaction between matter and single photons at the nanoscale. Nanoscopic solid state light sources can be placed in near proximity to other photonic elements to engineer their ...

    Integration of advanced off-line and on-line systems for the monitoring of surface and drinking water quality 

    López Roldán, Ramón (Date of defense: 2015-07-10)

    An optimal strategy for monitoring water quality should be based on a combination of different technologies depending on the particularities of the system being observed. The final solution will be a combination of laboratory ...

    Integration of electrically driven membrane separation processes for water treatment and resources recovery 

    Reig i Amat, Mònica (Date of defense: 2016-12-19)

    Nowadays, due to the growing fresh water demand, several processes are used to purify seawater by means of desalination or industrial brackish water by different treatment processes. The main limitation of these techniques ...

    Integration of nanofiltration and diffusion dialysis for the sustainable management of acidic liquid wastes 

    López Rodríguez, Julio (Date of defense: 2019-12-17)

    Nowadays mining and hydrometallurgical industries generate a considerable amount of acidic liquid wastes (ALWs), which are characterised by a low pH and the presence of metals (e.g. Fe, Cu, Zn and Rare Earth Elements (REEs) ...

    Integration of sensors on 3D-printed zirconia ceramics to be used in structural applications 

    Zhang, Junhui (Date of defense: 2023-06-22)

    (English) Zirconia-based ceramics present unique combination of mechanical, thermal and chemical properties, making them a preferred choice in automotive, aerospace, heavy machinery, defence and healthcare sectors. However, ...

    Integration Techniques of Fault Detection and Isolation Using Interval Observers 

    Meseguer Amela, Jordi (Date of defense: 2009-06-30)

    An interval observer has been illustrated to be a suitable approach to detect and isolate faults affecting complex dynamical industrial systems. Concerning fault detection, interval observation is an appropriate passive ...

    Integro-differential equations : regularity theory and Pohozaev identities 

    Ros, Xavier (Date of defense: 2014-06-19)

    The main topic of the thesis is the study of Elliptic PDEs. It is divided into three parts: (I) integro-differential equations, (II) stable solutions to reaction-diffusion problems, and (III) weighted isoperimetric and ...

    Inteligencia competitiva para la innovación en PYMEs : identificación de factores clave 

    Gallardo Rodríguez, Javier (Date of defense: 2015-12-04)

    The study focuses on SMEs in the industrial sector in Catalonia, with the aim of identifying competitive intelligence systems suitable for SMEs, the areas with the greatest potential impact with the implementation of a ...

    Intelligent condition monitoring of structures through data-driven process and machine learning methods 

    Leon Medina, Jersson Xavier (Date of defense: 2023-10-06)

    (English) In the last years, the condition monitoring of structures has evolved and improved using technologies such as artificial intelligence, sensor networks, and industry 4.0 because of the multiple advantages these ...

    Intelligent instrumentation techniques to improve the traces information-volume ratio 

    Llort Sánchez, Germán M. (Date of defense: 2015-11-03)

    With ever more powerful machines being constantly deployed, it is crucial to manage the computational resources efficiently. This is important both from the point of view of the individual user, who expects fast results; ...

    Intelligent secondary control for energy management in a micro-grid by using multi-agent system 

    Selseleh Jonban, Mansour (Date of defense: 2023-06-09)

    (English) Nowadays, distributed energy resources are widely used to supply demand in micro grids especially in green buildings. These resources are usually connected by using power electronic converters, which act as ...

    Interacciones microorganismo-hormigón: métodos de evaluación y posibles soluciones 

    Vaquero Martínez, José M. (Date of defense: 2013-02-22)

    La interacción microorganismo–hormigón es un proceso que, debido a la naturaleza porosa del hormigón, lo hace susceptible de ser colonizado por los microorganismos presentes en prácticamente todos los hábitats. Esta ...

    Interacció Paramètrica no Lineal en Materials amb Nano-Estructuració Ordenada 

    Maymó Camós, Marc (Date of defense: 2007-11-29)

    Les interaccions no lineals de segon ordre són, probablement, uns dels processos de l'òptica no lineal més utilitzats i rellevants en quant a les seves aplicacions. Aquestes interaccions només són eficients en materials ...

    Interacción en sistemas biológicos mediante nuevos índices basados en la dinámica no lineal 

    Alonso López, Joan Francesc (Date of defense: 2011-09-29)

    Most biological systems are complex and consist of several interconnected parts whose links can contain additional information which can be hidden from the observer. As a result of the interactions between elements, emergent ...

    Interaction between groundwater and TBM (Tunnel Boring Machine) excavated tunnels 

    Font Capó, Jordi (Date of defense: 2012-09-26)

    A number of problems, e.g. sudden inflows are encountered during tunneling under the piezometric level, especially when the excavation crosses high transmissivity areas. These inflows may drag materials when the tunnel ...

    Interaction between groundwater and underground constructions 

    Pujades Garnes, Estanislao (Date of defense: 2013-11-27)

    Underground constructions below the water table may be problematic if the role of groundwater is not properly acknowledged. Difficulties worsen in urban environments. Two aspects should be taken into account in the interaction ...