Mostrando ítems 4985-5004 de 5486
Elmansy, Reda Mohamed Yousyf Abdallah (Fecha de defensa: 2023-01-19)
(English) This PhD mostly focuses in studding the flow around a square cylinder with an upstream splitter plate and considering different velocity ratios between the upper and lower inlet velocities. The PhD is based in ...
Majeed, Husam Tareq (Fecha de defensa: 2018-10-05)
Aerobiology is the science that focuses on the study of the airborne living organisms (bacteria, fungal spores, pollen, small insects, etc.). The influence of meteorology and climate change on plant phenology include shifts ...
Wang, Lei (Fecha de defensa: 2016-12-16)
In the current thesis, two TWIP steels with different chemical composition were successfully subjected to Severe Plastic Deformation with Equal Channel Angular Pressing (ECAP) at warm temperature (300°C), using a die with ...
Márquez Lobato, Yolanda (Fecha de defensa: 2016-11-18)
Biomaterials based on block segmented copolymers constituted by hard and soft segments have attracted much attention for biomedical applications in the last decades, specifically as absorbable monofilament sutures. ...
Abt, Tobias (Fecha de defensa: 2014-07-11)
The thesis at hand deals with the modification of cyclic butylene terephthalate (CBT) with the aim to improve its final properties. CBT polymerizes in an entropically-driven ring-opening polymerization into polymerized CBT ...
Mahboob, Amir (Fecha de defensa: 2021-11-30)
Creating sustainability and public infrastructure is a fairly recent subject the engineering community has been debating. Introducing new building materials or introducing new structural designs is a strategy for constructing ...
Fraga Rivas, Iria (Fecha de defensa: 2010-02-26)
Differential Scanning Calorimetry (DSC) is one of the most widely used thermal analysis techniques for the study of transitions and relaxation processes in polymers and also in other materials. It measures the heat flow ...
Javadian, Hamedreza (Fecha de defensa: 2020-07-16)
Rare Earth Elements (REEs) are known as the remarkable components in many technologies that are driving the modern world. They are widely used in chemical engineering, permanent magnets, fluorescent lighting, sensors, cell ...
Orrit Prat, Jordi (Fecha de defensa: 2012-03-07)
D’ençà que el polietilè reticulat (XLPE) es va començar a utilitzar com aïllament elèctric per cables de subministrament elèctric, s’han destinat molts esforços a l’estudi de les propietats dielèctriques del polietilè i ...
Keridou, Ina (Fecha de defensa: 2021-04-14)
In the last decades, polymeric biomaterials, due to their advanced physical and mechanical properties, have been used in a vast variety of surgical and pharmaceutical applications. In this thesis, a study on crystallinity, ...
Fernández Sánchez, Pablo Gonzalo (Fecha de defensa: 2021-12-20)
Reinforced concrete members, especially when subjected to concentrated loads, can fail in shear. This is an undesirable and brittle failure mode preventing the structure from deforming and reaching higher load levels. It ...
Botero Vega, Juan Felipe (Fecha de defensa: 2013-06-21)
Network virtualization is recognized as an enabling technology for the future Internet. It aims to overcome the resistance of the current Internet to architectural change and to enable a new business model decoupling the ...
Ruiz Mansilla, Rafael (Fecha de defensa: 1994-10-24)
Se establece la metodología, incluyendo la formulación necesaria, para el diseño térmico de subenfriadores criogénicos n2(i)-n2(i), observando en todo momento criterios de optimización para con los diferentes parámetros y ...
Montoro López, Ma. Eulàlia (Fecha de defensa: 2015-05-12)
The aim of this thesis is to study the hyperinvariant and characteristic subspaces of a matrix, or equivalently, of an endomorphism of a finite dimensional vector space. We restrict ourselves to the case of matrices A with ...
Príncipe, Ricardo Javier (Fecha de defensa: 2008-04-21)
La descripción del flujo de fluidos involucra la solución de las ecuaciones de Navier-Stokes compresible, un problema muy complejo cuya estructura matemática no es del todo comprendida. Por lo tanto, mediante análisis ...
Heredero Esteban, Javier (Fecha de defensa: 2016-01-21)
La figura de Subirana ha ido siempre ligada al trio de Arquitectos que formó con Sert y Torres Clavé dentro del GATCPAC. Su nombre ha quedado ligado a obras tan importantes como el conjunto residencial de la Casa Bloc, al ...
Tomico Plasencia, Oscar (Fecha de defensa: 2007-06-26)
El camp d'Experiència d'Usuari consta d'una àmplia gamma d'aspectes diferents sobre la interacció amb productes o serveis. L'experiència d'usuari difereix del paradigma objectiu basat en el rendiment, centrant-se en un ...
Hamad Mohamed, Khaled M. A. (Fecha de defensa: 2015-12-14)
Experimental study was conducted to analyze the physical flow turbulence and sediment distribution with submerged vane. The objectives behind the investigation were verified and compare results with the Odgaard theory, ...
Blanco Botana, Luis (Fecha de defensa: 2017-07-22)
This dissertation deals with different subset selection problems in wireless communications systems. These type of problems have a combinatorial nature, which makes them computationally intractable for medium and large-scale ...
Ferrer Mallén, Olga (Fecha de defensa: 2015-12-22)
This thesis focused on the feasibility of substituting, partially or totally, drinking water treatment plant (DWTP) conventional pre-treatment by membrane based units, in particular by ultrafiltration (UF). For such purpose, ...