Universitat Politècnica de Catalunya
Now showing items 3894-3913 of 5463
This doctoral thesis is focused on what nowadays is known as the Mesoamerica Project (MP). The Integration and Development Mesoamerica Project arises due to the need not only to the regional integration but also to the ...
The impact of work when constructing a building between party walls is always a concern for the adjoining residents. The buildings are subject to more than just the impact of the vibrations caused by the use of machinery. ...
The technical and economic suitability of using fibers has been proved in reinforced concrete pipes.However, the use of fibers in concrete pipe is slow, on the one hand due to the inertia to change in the construction ...
(English) This doctoral thesis focuses on the modeling and control of electrical microgrids and triphasic converters. The starting points of this research work are based on previous work on modeling electrical microgrids ...
La falta de luz y ventilación naturales provocada por las inmensas sombras de los nuevos edificios elevados del Downtown dio lugar a la ley de zonificación de 1916. La normativa reguló alturas, retrocesos aéreos de las ...
En la tesis, se estudian máquinas eléctricas de flujo axial con rotor conductor sin elementos ferromagnéticos. Se pretende construir un motor de flujo axial, que se alimente con densidades de corriente elevadas para arrastrar ...
Ferroelectric materials are endowed with fascinating functional properties from the technological point of view. Consequently, they have promoted the design of ferroelectric-based devices with applications in a vast range ...
Chemical compounds derived from human activities continuously reach aquatic systems, where they are available to the organisms that inhabit them. Traditionally, environmental risk assessment has been based on the chemical ...
Image formation in the retina is the first stage in the visual process (optical stage), which is completed with photoreceptor stimulation and distribution of the generated signals (retinal stage), transmission to the visual ...
Desde hace años se han realizado múltiples investigaciones que tratan sobre la fiabilidad de la percepción de las distancias en profundidad y la influencia del entorno. En ocasiones, las pistas presentes en el espacio ...
Drape indicators reported by textile researchers from 1950 to 2013 are examined. A total of 36 indicators were identified that are described in detail as regards geometric principle and calculation in order to unify existing ...
Estudia la creación de nueva población en la España del Siglo XVIII y analiza tanto los diferentes modelos como las opciones teóricas planteadas. Basándose en un trabajo de mohino facilita documentación sobre algunos ...
In the present thesis 3 detailed studies were carried out that spring from 3 different diagnostic techniques that include bronoscopy, tuberculine bacillus infection diagnosis, and the control of oxygen therapy in chronic ...
We propose to develop, build and validate a new Concept of Bridge composed of Inflatable Beams, Lightweight, Modular and Portable (PVH-LMP) for surface transport vehicles, which uses pressurized air-filled beams made of ...
Nowadays, the growing demand for frequency-free bands for new emerging wireless technologies and fixed frequency allocation policies in the use of the radio spectrum have resulted in a saturation of the radio frequency ...
Urban tolls are nowadays one of the most promising instruments to regulate the entry of vehicles into cities, given the flexibility and versatility granted by the available technology. Although, initially, they represent ...
La recogida actual de residuos de aparatos eléctricos y electrónicos (RAEE) es muy reducida, sobre todo para la categoría de los pequeños aparatos eléctricos y electrónicos. Con el objetivo de aumentar esta recogida, se ...
Durante los últimos años se han venido realizando viaductos con cimbra autolanzable y una nueva secuencia evolutiva de la sección transversal. Esta nueva secuencia evolutiva consiste en alcanzar un esquema autoportante que ...
Desde que fueron descubiertas en el principio de los años sesenta, las aleaciones con memoria de forma de NiTi han suscitado un interés creciente. Hoy en día, estos materiales se emplean extensivamente en el campo biomédico. ...
The topic discussed in this dissertation is the study of the public spaces in Hong Kong. In recent decades the city has established itself as a major financial centre and production, aiming to be one of global cities of ...
