Now showing items 2960-2979 of 5486

    Invasive and non-invasive assessment of upper airway obstruction and respiratory effort with nasal airflow and esophageal pressure analysis during sleep 

    Morgenstern de Muller, Christian Rudolf (Date of defense: 2010-02-25)

    La estimación del esfuerzo respiratorio durante el sueño es de una importancia crítica para la identificación correcta de eventos respiratorios en los trastornos respiratorios del sueño (TRS), el diagnóstico correcto de ...

    Inventory and pricing management in probabilistic selling 

    Zhang, Yi (Date of defense: 2019-01-25)

    Context: Probabilistic selling is the strategy that the seller creates an additional probabilistic product using existing products. The exact information is unknown to customers until they receive the probabilistic products. ...

    Inverse Jacobian and related topics for certain superelliptic curves 

    Somoza Henares, Anna (Date of defense: 2019-03-28)

    Given an elliptic curve E over the complex numbers (CC) given by y^2 = x^3 + ax + b, there exists a lattice L in CC such that the group E(CC) of complex points on E is isomorphic to the complex analytic group CC/L. This ...

    Inverse modelling in wildfire spread forecasting: towards a data-driven system 

    Rios Rubiras, Oriol (Date of defense: 2018-11-30)

    Wildfires are an ecological phenomenon inherent to earth dynamics and widely spread over the globe. In addition to the environmental impact, when wildfires grow beyond controllable magnitudes, they pose a principal threat ...

    Inversores bidireccionales con aislamiento en alta frecuencia para aplicaciones de energías renovables 

    Beristáin Jiménez, José Antonio (Date of defense: 2005-06-23)

    En esta tesis se realiza el análisis y la síntesis de inversores bidireccionales con aislamiento en alta frecuencia. Entre las aplicaciones que se contemplan podemos destacar: sistemas de alimentación fotovoltaicos, sistemas ...

    Investigación de las estructuras eléctricas y líderes de rayos en tormentas : aportaciones a las condiciones de inicio de rayos gamma terrestres 

    López Trujillo, Jesús Alberto (Date of defense: 2019-06-21)

    This thesis presents a characterization of the charge structures of thunderstorms and lightning leader development, and their relationship with the emissions of terrestrial gamma ray flashes (TGFs). The results include a ...

    Investigación en nuevas técnicas de microencapsulación biodegradables de fragancias para el sector de detergencia que eviten la liberación de microplásticos al medio ambiente 

    López Hernández, Arianne (Date of defense: 2023-12-20)

    (English) Getting to give added value in the different products that are nowadays in the market has not been easy. Since many years ago we have worked on the addition of fragrances in different articles. This added value ...

    Investigación sobre la aceptación de los usuarios de los sistemas electrónicos de gestión de recursos humanos (e-HRM) en una empresa del sector de la automoción 

    Vázquez Méndez, Marcial (Date of defense: 2022-02-21)

    This research investigates factors that impact the use of digital systems for HR management at SEAT, a car manufacturing firm of the Volkswagen Group. Electronic Human Resource Management (e-HRM) is not a completely new ...

    Investigación sobre las relaciones entre la Compensación Total, la Satisfacción Laboral y el Compromiso Organizacional de empleados y mandos intermedios en España 

    González Navarro, Francisco (Date of defense: 2022-11-18)

    (English) Total Compensation is currently understood as the set of elements, not exclusively financial, that employees receive as compensation for their work. In this sense, it can be a decisive factor in attracting and ...

    Investigating quantum many-body systems with tensor networks, machine learning and quantum computers 

    Kottmann, Korbinian Gebhard (Date of defense: 2022-10-14)

    (English) We perform quantum simulation on classical and quantum computers and set up a machine learning framework in which we can map out phase diagrams of known and unknown quantum many-body systems in an unsupervised ...

    Investigation of continuous-wave range-resolved lidar systems for gas detection and concentration measurement 

    Batet Torrell, Óscar (Date of defense: 2011-07-27)

    The techniques for detection of the atmosphere constituents and their distribution in the space have evolved in the last years driven by needs in the environmental, meteorological and climate science fields and backed by ...

    Investigation of reflective optical network units for bidirectional passive optical access networks 

    Arellano Pinilla, Cristina (Date of defense: 2007-07-25)

    Esta investigación está conducida a la resolución del problema de encontrar soluciones rentables para el despliegue de redes de fibra hasta el hogar (Fibre to the Home - FTTH). En una red de FTTH, el equipo transmisor-receptor ...

    Investigation of the antioxidant properties of five aromatic plants in model food systems 

    Azman, Nurul Aini Binti Mohd (Date of defense: 2015-12-22)

    In this PhD it has been analyzed the antioxidant activity of five plants: Camelia sinensis, Gentian lutea, Betula pendula, Convolvulus arvensis and Arctostaphylos uva-ursi. An Electronic Paramagnetic Resonance has been ...

    Investigations of topological phases for quasi-1D systems 

    Tirrito, Emanuele (Date of defense: 2020-07-13)

    For a long time, quantum states of matter have been successfully characterized by the Ginzburg-Landau formalism that was able to classify all different types of phase transitions. This view changed with the discovery of ...

    Invoice factoring through blockchain technology 

    Mohammadzadeh, Nasibeh (Date of defense: 2022-10-06)

    (English) Invoice factoring has been a popular way to provide cash flow for businesses. The primary function of a factoring system is to prevent an invoice from being factored twice. In order to prevent double factoring, ...

    Ion binding landscapes and molecular dynamics of phospholipid membranes 

    Yang, Jing (Date of defense: 2015-12-11)

    This thesis aims at studying the physical-chemical properties of model lipid bilayers in physiological environments. Since in such conditions biological membranes composed of phospholipids and cholesterol are surrounded ...

    Ionic complexes of biodegradable polyelectrolytes 

    Tolentino Chivite, Ainhoa (Date of defense: 2014-04-29)

    Biopolymers are polymers produced by living organisms. A more broad classification would embrace also those polymers synthesized from renewable sources which are able to display biodegradability. The demand of biopolymers ...

    Ionic complexes of naturally-occurring biopolymers and cationic surfactants : a platform for industrial and biomedical applications 

    Gamarra Montes, Ana (Date of defense: 2018-07-13)

    In recent years, the increasing public concern about the environmental pollution caused by persistent plastic wastes has stimulated the interest in replacing synthetic polymers by biopolymers. The term biopolymer refers ...

    Ionic copolyesters and their nanocomposites: synthesis, characterization and properties 

    Bautista Betancur, Mayka Irina (Date of defense: 2015-09-21)

    A polymer containing small amounts of ionic groups either along the polymer backbone chains or as pendant groups is defined as ionomer. As originally proposed by Eisenberg, the interaction between ionic groups leads to the ...

    Ionic liquid-assisted the preparation of transparent cellulosic biocomposite films 

    Amini, Elahe (Date of defense: 2023-12-14)

    (English) Interest in new environmentally friendly cellulose-based products has tremendously increased in recent years. Cellulose-based composites come in various forms and have potential applications in construction, ...