Programa de Doctorat en Enginyeria de Projectes i Sistemes: Envíos recientes
Mostrando ítems 21-32 de 32
A contribution to multi-criteria decision making in sustainable energy management based on fuzzy and qualitative reasoning
Energy problems are serious problems caused by limited resources and by human activity such as deforestation, water pollution and various other long-term practices that have environmental impact which produces global warming ...
Influencia de la capacidad de resolución de problemas relacionados con la tecnología en el tecnoestrés de profesores de secundaria
High school teachers face a constant obligation to keep up to date on Information and Communication Technology (ICT). However, no one gives them training or support on how to deal with the problems arising from the use ...
Obtenció d'un copolímer acrílic amb grups epoxi per a l'aplicació en tops per l'acabat de la pell
The leather industry needs innovative products in order to satisfy the global market requirements.The current regulations are very strict,so it is necessary to preserve the environment and to take care about the people¿s ...
Contribució a l'estudi de la degradació i envelliment de la pell
Leather is a natural material that can be used in different environments and often under aggressive environmental conditions that may cause premature ageing. Since upholstery leather is considered a very high-tech product, ...
Development of sustainable tannin with low carbon footprint to obtain high quality leather
Today we are experiencing an "eco friendly boom"; which includes the developing of ecological processes that have a smaller impact in the environment. This is the reason that prompted me to carrying out this thesis; the ...
Fungicides alternatius per a la indústria de la pell : comparació amb productes convencionals
This thesis is focused on the search of alternatives to fungicides conventionally used in the tanning industry. These chemicals must be effective against a large number of fungi less toxic, more environmentally friendly ...
Contribución de la implementación de las innovaciones tecnológicas en la mejora de la seguridad del sistema ferroviario español
La movilidad del transporte en España, en el modo ferroviario de ancho ibérico convencional, ha registrado entre los años 1975 y 2009 un aumento de 130 millones de kms‐tren en el año 1975 a 180 millones de kms‐tren en el ...
Consenso basado en internet model, implementación y evidencia empírica
Sota una constant generació de nous models de negoci, les empreses necessiten informació per a la presa de decisions que els permeti aconseguir una posició mes competitiva al mercat. La presa de decisions en grups de treball ...
Análisis de los criterios para el desarrollo de aplicaciones interactivas para pequeñas y medianas empresas: el caso de las aplicaciones en entornos de proyectos de instalaciones
The research examines the criteria that should be considered to pose an interactive application in relation to the needs of the engineer-designer-user in the "small and medium enterprises" background. It also appears the ...
Módelo para el análisis del comportamiento de los estudiantes durante actividades colaborativas a través de internet
As participants in today¿s society, where the most important resorce is knowledge, the researcher bent on making virtual experiences that contribute to the training of both students and teachers in knowledge management as ...
Optimización del proceso de diseño de los planos de la señalización de seguridad
The placement of safety signs on buildings and crowded public places and work places is usually done quickly and not always effectively. Generally, the financial budget dedicated to this facility, taking into account that ...
TARA (Caesalpinia spinosa): the sustainable source of tannins for innovative tanning processes
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 ...
