Universitat Politècnica de Catalunya
Mostrando ítems 41-60 de 107
Access to drinking water is one of the challenges of the 21st century for an increasing number of countries in the world. In Spain, a desalination plant providing between 20% and 30% of Barcelona¿s drinking water has ...
It is quite common to read or to listen for the media of information when news of fires are given, that the primary cause of the same one was "a short circuit", or some related one that in the end of the way falls in the ...
El impacto de la contaminación del aire es un tema crítico para el medioambiente y el clima. Una mala calidad del aire es un tema de importancia para la salud pública, especialmente en ambientes urbanos. El material ...
Reuse of brines in the chlor-alkali industry can be benefitial both in terms of new material source for the industry and environmental impact reduction of the brines disposal. In this thesis, reuse of Seawater Reverse ...
Keywords: Energy Audits, Energy Efficiency, Rational Use of Energy, Life cycle assessment, Hotel buildings, Net Zero Emissions Buildings, Renewable Energy,Solar Energy, Biomass, cogeneration (CHP). This PhD analyzes the ...
The impact of mineral dust upon climate, ecosystems and air quality represents a major scientific and societal issue. The aim goals of the present Ph.D. Thesis are to evaluate the behaviour and to improve the forecasting ...
This thesis considers the fruit of the tara tree (Caesalpinia spinosa) as a sustainable source for tanning agents and proposes alternatives to the commercial mineral salts and vegetable extracts to comply with an increasing ...
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 ...
El objetivo de esta tesis es estudiar los factores que inciden en la intencionalidad de crear empresas en los emprendedores potenciales universitarios de Panamá, partiendo de la hipótesis de que la deseabilidad de crear ...
Els processos de tall han estat sota un constant canvi degut a la creixent necessitat de la ind ustria de desenvolupar productes nals amb caracterstiques optimes que agil litzin la seva introducci o al mercat. Existeixen ...
Urban wastewater treatment plants produce a variety of residuals during their operation, the typology of which are in function of the design of the treatment process. The problem aborded in the present thesis refers to the ...
Controlled Exposure Experiments revealed lesions in the statocysts of four cephalopod species of the Mediterranean Sea (Sepia officinalis, Loligo vulgaris, Illex coindetii and Octopus vulgaris), when exposed to relatively ...
The concrete is one of the most important construction materials. Its sustainability is determined by its durability, its low maintenance and its ability to be reused, recycled or recovered. Hence, the use of recycled ...
En la pràctica de l’enginyeria, quan un model explícit d’un procés està disponible, es poden realitzar experiments numèrics per tal de predir el comportament futur del sistema, explicar o descriure el seu estat ocult, ...
La aplicación de pesticidas en el Delta del Ebro (NE de España) durante el periodo de cultivo de arroz se ha asociado a episodios de mortalidad de ostras (Crassostrea gigas) que ocurren anualmente durante la primavera. Sin ...
La legislació europea i espanyola vigent pretén que les empreses redueixin la quantitat de compostos orgànics volàtils que usen en els seus processos industrials. L’origen dels compostos orgànics volàtils en la industria ...
Esta metodología está orientada a evaluar el impacto medioambiental de los edificios, su coste económico y su efecto social, teniendo en cuenta todo el ciclo de vida, de una manera sistematizada, flexible, simple, holística ...
La utilització dels ultrasons en sistemes d’adobament vegetal presenta avantatges respecte els sistemes més consolidats en la indústria en l’actualitat: adobaments vegetals dinàmics on s’utilitzen els bombos com a reactor, ...
The technological innovation consists of an idea transformation in a new marketable or improved product and the design is directly responsible for the success of the products, as a whole, they play an important role in the ...
The adverse technological behavior of the small and medium-size enterprise (SME) when facing innovation is a true fact in Latin America. The Models and Methods for evaluating current innovation efforts, in particular studies ...
