Now showing items 41571-41590 of 41754

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

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

    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: 2016-11-18)

    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 Splitting Electrocatalysts in Acidic Media: in the Search of Non-noble Metal Alternatives 

    Yu, Jiahao (Date of defense: 2023-03-23)

    L'electròlisi de membrana d'intercanvi de protons (PEM) és una tecnologia comercialment madura i sostenible per a la producció d'hidrogen en àcid, però la manca de materials basats en metalls no nobles tant a l'ànode com ...

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

    Marsal Vila, Jordi (Date of defense: 1997-03-06)

    L'aplicació de Reg Deficitari Controlat (RDC) en parcel·les comercials d'arbres fruiters s'enfronta a una<br/>problemàtica variada. En primer lloc cal buscar una metodologia fiable que permeti caracteritzar l'estrès<br/>en ...

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

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

    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 ...

    The water-energy-food nexus to tackle climate change in Morocco 

    Barbarà Mir, Laia (Date of defense: 2020-11-12)

    The water, energy and food nexus is a theoretical approach to better understand and systematically examine the interactions between the natural environment and human activities, and to work towards a more organized management ...

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

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

    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 ...

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

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

    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: 2015-05-08)

    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 ...

    Waveform modelling of binary black holes in the advanced ligo era 

    García Quirós, Cecilio (Date of defense: 2020-07-22)

    [eng] The focus of this thesis is the development of accurate and computationally efficient waveform models for the description of the signal of non-precessing and precessing blackhole binary systems detected by the ...

    Wavelet approach in computational finance 

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

    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 ...

    Wavelet-based spatial audio framework : from ambisonics to wavelets: a novel approach to spatial audio 

    Scaini, Davide (Date of defense: 2019-12-16)

    Ambisonics is a complete theory for spatial audio whose building blocks are the spherical harmonics. Some of the drawbacks of low order Ambisonics, like poor source directivity and small sweet-spot, are directly related ...

    Waves and turbulence on submerged and emergent aquatic vegetation 

    Pujol Company, M. Dolors (Date of defense: 2013-04-16)

    Coastal zones are governed by physical forces originating from tidal currents, waves, winds and night convection, amongst others, and are characterized by the presence of canopy meadows. This thesis studies the hydrodynamic ...

    Wàsi, ver entre los Iku. Etnografía de las Imágenes en la Sierra Nevada de Santa Marta, Colombia 

    Gómez Ruiz, Sebastián (Date of defense: 2019-12-03)

    La Sierra Nevada de Santa Marta de Colombia, ha estado amenazada por el conflicto armado, proyectos de desarrollo, explotación de hidrocarburos, minería, narcotráfico y turismo, poniendo en riesgo la sobrevivencia de los ...

    WDM/TDM PON bidirectional networks single-fiber/wavelength RSOA-based ONUs layer 1/2 optimization 

    López Pastor, Eduardo Tommy (Date of defense: 2013-09-12)

    This Thesis proposes the design and the optimization of a hybrid WDM/TDM PON at the L1 (PHY) and L2 (MAC) layers, in terms of minimum deployment cost and enhanced performance for Greenfield NGPON. The particular case of ...

    We didn´t get nuffin': subtitled film as a tool in the teaching of markers of orality 

    Rolph, Deborah (Date of defense: 2014-12-10)

    Esta tesis se centra en la comprensión de subtítulos dentro de su contexto multimedia en el que, junto con la banda sonora, los sonidos, la entonación vocal, los gestos, las técnicas de edición e imagen convergen para ...

    Weak approximation of the complex brownian sheet and applications to SPDES 

    Márquez Arias, Juan Pablo Roberto (Date of defense: 2020-01-23)

    Aquest treball es desenvolupa en l'àrea de la teoria de la probabilitat i dels processos estocàstics. Més en concret en l'àrea de la convergència feble i en l'àrea de les equacions diferencials en derivades parcials ...

    Weak lensing in DES Y3: redshift distributions, shape catalogue, and mass mapping 

    Gatti, Marco (Date of defense: 2020-09-18)

    En aquesta tesi hem tractat alguns aspectes clau de les lents dèbils gravitacionals en el context d’enquestes fotomètriques. En particular, es van utilitzar simulacions i dades preses durant els primers tres anys d’observacions ...

    Weak value amplification : new insights and applications 

    Salazar Serrano, Luis José (Date of defense: 2016-10-13)

    Weak Value Amplification (WVA) is a signal enhancement technique proposed in 1988 by Aharonov, Albert, and Vaidman that has been widely used to measure tiny changes that otherwise cannot be determined because of technical ...

    Weakly-supervised learning for automatic facial behaviour analysis 

    Ruiz Ovejero, Adrià (Date of defense: 2017-11-23)

    In this Thesis we focus on Automatic Facial Behavior Analysis, which attempts to develop autonomous systems able to recognize and understand human facial expressions. Given the amount of information expressed by facial ...