Universitat Politècnica de Catalunya
Now showing items 4374-4393 of 5480
In recent years, society has begun to take a new view of its relations with the surrounding environment, and in particular has become aware of the need to ensure the sustainability of the oceans and their biodiversity. ...
Energy input spectra applicable to the seismic design of structures in moderate-to-high seismicity regions such as Colombia are proposed. They are derived from the bilinear envelope of individual spectra obtained for 144 ...
Based on technology and science developments as a way of knowing the world, our way of life and the way we interact with the environment have been transformed, in the last two and a half centuries. These changes imply ...
Los aportes conceptuales y metodológicos de este trabajo se desarrollan a partir de reconocer la importancia que tienen las ciudades para el Desarrollo Sostenible global. Para avanzar en el conocimiento de esta problemática ...
Competitiveness requires a self-sustaining growth process in specific skills, training and levels of knowledge. Individuals are the main actors of this process, as they are responsible for the knowledge creation. This study ...
Las modificaciones que en el campo de la administración municipal se están sucediendo, gracias a las relativamente nuevas democracias instaladas en los modelos de gobierno de un considerable número de países en el mundo ...
En esta tesis hemos elaborado una propuesta metodológica de análisis de la sostenibilidad regional utilizando la visión sistémica para su conceptualización, el paradigma de la sostenibilidad para su análisis, la metodología ...
Nanotechnology and specially nanomaterials, offer a range of opportunities for the automotive industry. The improvement of physical and chemical properties or the development of new functionalities in the vehicle has driven ...
A wastewater treatment plant (WWTP) is a system that aims to reduce the negative impact to bodies of water where the effluent is discharged. reducing the pollutants discharged. Treatment plants have an impact on the ...
The construction sector contributes to current environmental problems. It is responsible for the impact of the production of building materials and for the waste generated in construction works. Strategies for alternative ...
La ocurrencia de un desastre puede entenderse como la materialización de un riesgo producido al relacionar el peligro o amenaza, la vulnerabilidad y el elemento expuesto. Si se tiene clara la relación anterior, ahora ya ...
While the European Union is ongoing towards a production system based on the knowledge economy, and in a historical moment when universities are facing the challenges associated with the achievement of the postulates of ...
Energy audits have been, and are basically the study and analysis of energy flows in a building, process or system with the aim of knowing its behavior in order to find possibilities for energy improvement. It is primarily ...
La aplicación del Código ISPS (en español PBIP) y sus subsecuentes iniciativas han obligado a los puertos a convertirse en Puertos Seguros, lo que ocasiona un cambio radical en las políticas de los puertos para algunos, o ...
La importancia de una industria como la de los textiles de uso técnico y, la relevancia de Catalunya como polo de esta industria, son algunos de los motivos que han llevado a la realización de esta tesis, en la que se ha ...
The energy sector reform is one of the major challenges that must be faced globally during the current century. The energy model, in which the economic growth of major economies is sustained, based mainly on the intensive ...
Access to energy is crucial to human welfare; no residential, commercial or industrial activity can be conceived without energy supply. At the same time, current dependence on fossil fuels and their negative effects on ...
Synchronous buck converter based multiphase architectures are evaluated to determine whether or not the most widespread voltage regulator topology can meet the power delivery requirements of next generation computer m ...
La ausencia es el protagonista contemporáneo de las metrópolis. No obstante, ante la invitación de varios autores se verificó que no se había interpretado todavía una metrópoli concreta averiguando las circunstancias de ...
La componente ultravioleta de la radiación solar, beneficiosa a pequeñas dosis, puede ser muy nociva por su efecto acumulativo sobre la piel. Los dermatólogos aconsejan protegerse de cantidades excesivas de radiación UV. ...
