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Wake-up radio systems : design, development, performance evaluation and comparison to conventional medium access control protocols for wireless sensor networks

Oller i Bosch, Joaquim (Date of defense: 06-03-2015)

During the recent years, the research related to Wake-up Radio (WuR) systems has gained noticeable interest. In WuR systems, a node initiating a communication first sends a Wake-up Call (WuC) by means of its Wake-up ...

Walking art: Práctica, experiencia y proceso generadores de paisaje y pensamiento

Corvo Ponce, Joaquín (Date of defense: 18-10-2013)

El caminar, como medio de actuación humano en el paisaje, apareció con el levantamiento del menhir en el neolítico y, a través de sus pasos, se empezaron a instaurar vínculos con el territorio. A lo largo de la historia, ...

Walking a tightrope: Understanding and managing tensions in social enterprises

Hai, Solange Jeanouce (Date of defense: 04-07-2017)

Les emprenedories socials, organitzacions que persegueixen tant una missió social com comercial, han experimentat un augment tant en la investigació com en la pràctica durant les últimes dues dècades. Diversos grups de ...

Walking for transportation : estudio de los factores individuales y contextuales que influyen en el caminar como medio de transporte y de sus implicaciones en salud

Olabarria Saenz de Viguera, Marta, 1982- (Date of defense: 08-05-2013)

Desplazarse a pie es una actividad física moderada, rutinaria e integrada en la vida diaria que podría convertirse en una herramienta para disminuir la tendencia creciente del sedentarismo de la población. El objetivo ...

Walking the line between survival and death

Heres, Ana-Maria (Date of defense: 22-11-2013)

La presente tesis doctoral se centra en el estudio de la mortalidad inducida por la sequía del pino silvestre (Pinus sylvestris L.) en dos sitios, Prades y Arcalís, situados en el noreste de la Península Ibérica, donde ...

Walter Benjamin: infancia y politización

Lanfranconi, Ana (Date of defense: 26-09-2017)

El presente trabajo de investigación traza un recorrido por ciertos momentos de la producción textual de Walter Benjamin siguiendo el hilo trenzado entre nuestro autor y las nociones de infancia y politización. Nuestro ...

Wassily kandinsky y la evolución de la forma: fundamentos teóricos para presenciar el espacio y el tiempo

Maltas i Mercader, Antoni

¿Es posible abordar cuestiones pictóricas en Kandinsky en función del tiempo más bien que del espacio?, ¿cómo puede el tiempo ser la medida de un trabajo de Kandinsky cuando lo pictórico se manifiesta básicamente por una ...

Water and clean energy services in developing countries: Regulation and evaluation of universal service policies

Sanz Fernández, Àlex (Date of defense: 11-01-2016)

In this thesis I analyze access problems to basic services like water and energy in developing countries. The objective of the thesis is to show how to improve access to water services and clean energies in rural communities ...

Water flows to multiple stsakeholders: an ecosystem services-based approach to conflicts in the Ter River basim

Jordà Capdevila, Dídac (Date of defense: 18-07-2016)

Els conflictes relacionats amb la gestió dels cabals han sigut objecte d’abundant estudi. Tanmateix, manquen anàlisis que considerin l’apropiació d’aquells serveis ecosistèmics (SE) que depenen dels cabals circulants. Tal ...

Water-in-Water Emulsions for Obtaining Enzyme-Loaded Microgels and Encapsulated Emulsions

Beldengrün, Yoran (Date of defense: 20-07-2018)

Encapsulation of enzymes into protective matrices is of interest in drug delivery or industrial processes, to control the release of the enzyme or protect it from harsh environments. We are studying the encapsulation of ...

Water mass variability in the eastern South Pacific and the ventilation of the oxygen minimum zone

Llanillo del Río, Pedro José (Date of defense: 29-10-2014)

This dissertation aims at extending our knowledge of the ESP OMZ through two main approaches. The first approach is based on tracer analysis and inverse modeling techniques. Such techniques are applied to hydrographic ...

Water oxidation with mononuclear ru complexes. Below the tip of the iceberg: the oxo-bridge scenario

López Marín, Isidoro (Date of defense: 16-10-2013)

La conversión de la energía solar en combustibles limpios como el H2 o el MeOH representa uno de los candidatos más prometedores para la sustitución de fuentes de energía basadas en combustibles fósiles. Las celdas solares ...

Water pollution, cancer and molecular mechanisms

Salas Díaz, Lucas Andrés, 1980- (Date of defense: 09-07-2015)

Disinfection by-products (DBP) are complex mixtures of toxicants derived from drinking water treatment. Trihalomethanes (THM) and haloacetic acids (HAA) are the most prevalent DBP in chlorinated waters, which are used as ...

Water resources assessment in cold regions: the Upper Tuul River basin, Mongolia

Dandar, Enkhbayar (Date of defense: 23-06-2017)

Groundwater withdrawals are growing in most developing countries, including Mongolia, where freshwater resources are limited and unevenly distributed, and most surface waters are frozen during winter. Groundwater represents ...

Water service delivery solutions in rural and peri-urban areas in developing countries : are public-public partnerships a valuable alternative to private sector participation?

Avolio, Ciro (Date of defense: 18-11-2016)

This dissertation will focus on the analysis of water and sanitation service delivery solutions in the context of peri-urban and rural areas. In particular, it will investigate if public-public partnerships (PuPs) can ...

Water stress measurements in fruit trees under different regulated deficit irrigation regimes

Marsal Vila, Jordi

L'aplicació de Reg Deficitari Controlat (RDC) en parcel·les comercials d'arbres fruiters s'enfronta a unaproblemàtica variada. En primer lloc cal buscar una metodologia fiable que permeti caracteritzar l'estrèsen la planta ...

Water use patterns and physiological interactions in Submediterranean mixed forests: methodological challenges and implications for ecohydrology

Martín Gómez, Paula (Date of defense: 16-06-2017)

En aquesta tesi hem estudiat el comportament fisiològic i els patrons de l’ús de l’aigua en relació a la sequera en pins i roures submediterranis, tant en experiments de laboratori com en condicions de camp. El nostre ...

Wavelet approach in computational finance

Colldeforns Papiol, Gemma (Date of defense: 23-02-2018)

En el món de les finances computacionals, tant els preus de derivats com la gestió de riscos han atret molt d'interès entre els professionals i l'acadèmia. Aquesta tesi pretén proporcionar tècniques basades en ondetes a ...

Wave propagation in metamaterials mimicking spacetime geometry: black holes and cosmic strings

Fernández Núñez, Isabel (Date of defense: 19-07-2018)

In physics, it is common to find different phenomena being described by similar equations. A good analogy can make us look at a problem from a different point of view. In that way, ideas may be transferred from one field ...

Wave propagation problems with aeroacoustic applications

Espinoza Román, Héctor Gabriel (Date of defense: 08-05-2015)

The present work is a compilation of the research produced in the field of wave propagation modeling. It contains in-depth analysis of stability, convergence, dispersion and dissipation of spatial, temporal and spatial-temporal ...

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