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Now showing items 7630-7649 of 41729
Contribution to the Optimization and Flexible Management of Chemical Processes
La industria química ha experimentado en las últimas décadas un aumento en la competencia por la cual las empresas se ven obligadas a adaptarse a un mercado cambiante y cada vez más exigente. Aunque la globalización ha ...
Contribution to the optimization of 4G mobile communications by means of advanced carrier aggregation strategies
Mobile broadband subscriptions and data traffic have increasingly grown in the past years with the deployment of the 3G and 4G technologies and the massive use of mobile devices. In this sense, LTE-A has been presented as ...
Contribution to the publish/subscribe communication model for the development of ubiquitous services in wireless sensor networks
Advances in wireless technologies and the rapid development of integrated electronics have made wireless sensor networks (WSN) one of the key technologies of the Internet of Things (IoT). Thanks to the ability of these ...
Contribution to the qualitative study of planar differential systems
Aquesta tesi es situa en el marc de la teoria qualitativa dels sistemes diferencials en el pla. Cada capítol conté un aspecte diferent. A la introducció, es dóna un resum dels resultats més coneguts i s'hi introdueix la ...
Contribution to the risk assessment of ciguatera poisoning in europe (the balearic and Canary Islands and Madeira archipelago)
Actualment, la intoxicació alimentaria de la ciguatera (CP) es considera una malaltia emergent a les zones temperades d'Europa. La present tesi contribueix a l'avaluació del risc d'intoxicació per ciguatera a les Illes ...
Contribution to the study and design of advanced controllers : application to smelting furnaces
In this doctoral thesis, contributions to the study and design of advanced controllers and their application to metallurgical smelting furnaces are discussed. For this purpose, this kind of plants has been described in ...
Contribution to the study of alliances in graphs
Contribution to the study of alliances in graphs.<br/><br/>Resumen<br/><br/><br/>En este trabajo se estudian propiedades matemáticas de las alianzas (defensivas, ofensivas y duales) en grafos. Entre los temas tratados se ...
Contribution to the study of boiling liquid expanding vapor explosions and their mechanical effects
Boiling Liquid Expanding Vapor Explosions keep occurring from time to time in process plants, storage areas and transportation by road or rail, often with severe effects. There is no doubt that a better knowledge of their ...
Contribution to the Study of Fourier Methods for Quasi-Periodical Functions and the Vicinity of the Collinear Libration Points
This works has been organized in three parts. The first (Chapter 1 to 5) is dedicated to the development and study of a procedure for the accurate computation of frequencies, as well ans the related Fourier coefficients, ...
Contribution to the Study of Heterogeneous Catalytic Reactions in SCFs: Hydrogenation of Sunflower Oil in Pd Catalysts at Single‐Phase Conditions.
La hidrogenación es uno de los procesos químicos industriales más importantes. Una amplia variedad de productos químicos es obtenida mediante la hidrogenación catalítica. <br/>Uno de los procesos típicos de hidrogenación ...
Contribution to the study of invariant manifolds and the splitting of separatrices of parabolic points
In general, when beginning to explore any scientific field, one focuses on the generic situations; that is, one centers on the behaviours that appear in “most” of the cases encountered in practice. This methodology ...
Contribution to the study of the mechanisms of action and neuropsychopharmacological effects of MDMA and new β-ketoamphetamines
Drugs of abuse are a matter of great concern, as their use is widespread in all stratums of society, and can entail both acute and long-term negative consequences. For this reason, our research group is devoted to investigating ...
Contribution to the Study of the Role of Arachidonic Acid Metabolism in Airway Inflammatory Diseases (Nasal polyps, Asthma and Cystic Fibrosis)
Eicosanoids are derived from the fatty acids that make up the cell membrane and nuclear membrane. They begin as a single poly unsaturated fatty acid, the arachidonic acid. (AA) is produced from membrane phospholipids and ...
Contribution to the system architecture design for electromagnetic nano-network communications
(English) A nano-network is a communication network at the nano-scale between nano-devices. Nanodevices face certain challenges in functionalities, because of limitations in their processing capabilities and power management ...
Contribution to the traffc engineering in wireless mesh networks
Nowadays, we live in a modern society in which people and devices are interconnected anywhere and anytime. Under this premise, both the infrastructure and the services offered have evolved and diversified in a drastic way. ...
A contribution to the understanding of compression after impact of composite laminates
The threat of impact on laminated composite structures has been a serious concern in the aerospace industry and scientific community because the compression load-carrying capacity of the structures, namely Compression 1/2 After ...
Contribution to the validation of best estimate plus uncertainties coupled codes for the analysis of NK-TH nuclear transients
The calculations that allow the operating license of the nuclear reactors are usually made using conservative methods. This conservatism, often excessive, limits the actual capabilities of the industry to increase energy ...
A contribution to unobtrusive measurement methods for sleep monitoring based on magnetic induction technique
Sleep monitoring is of major importance for various medical areas such as the detection and treatment of sleep disorders, assessment of different medical conditions or medications' effects over sleep quality, and mortality ...
A contribution to unobtrusive video-based measurement of respiratory signals
Due to the growing popularity of video-based methods for physiological signal measurement, and taking into account the technological advancements of these type of devices, this work proposes a series of new novel methods ...
Contribution to wireless access optimization and dynamic enhancement of WCDMA networks
El despliegue de las redes celulares 3G/3.5G plantea un reto a las estrategias de planificación y optimización radio tradicionales. A diferencia de los sistemas 2G FDMA, cobertura y capacidad están estrechamente ligadas y ...
