Ara mostrant els elements 1-20 de 32

    Contribució a l'estudi de la degradació i envelliment de la pell 

    Jorba Rafart, Montse (Data de defensa: 2012-02-10)

    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, ...

    TARA (Caesalpinia spinosa): the sustainable source of tannins for innovative tanning processes 

    Castell Escuer, Joan Carles (Data de defensa: 2012-03-02)

    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 ...

    Optimización del proceso de diseño de los planos de la señalización de seguridad 

    Ubieto Artur, Pedro (Data de defensa: 2012-03-23)

    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 ...

    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 

    Ortiz Domènech, Jordi (Data de defensa: 2012-03-23)

    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 

    Guerra Torrealba, Laura (Data de defensa: 2012-11-23)

    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 ...

    Consenso basado en internet model, implementación y evidencia empírica 

    Gutiérrez Hernández, Alfredo (Data de defensa: 2013-07-17)

    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 ...

    Contribución de la implementación de las innovaciones tecnológicas en la mejora de la seguridad del sistema ferroviario español 

    Perlasia Giol, José (Data de defensa: 2013-11-05)

    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 ...

    Fungicides alternatius per a la indústria de la pell : comparació amb productes convencionals 

    Cuadros Domènech, Sara (Data de defensa: 2013-12-20)

    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 ...

    Development of sustainable tannin with low carbon footprint to obtain high quality leather 

    Díaz Muñoz, Jorge Gerardo (Data de defensa: 2014-02-18)

    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 ...

    Obtenció d'un copolímer acrílic amb grups epoxi per a l'aplicació en tops per l'acabat de la pell 

    Frías Álvarez, Aroha (Data de defensa: 2014-07-18)

    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 ...

    Determinació de fungicides en pells i en banys de procés del sector adober 

    Reyes Ferrera, Ma. Reyes, (Data de defensa: 2015-07-23)

    This thesis is based on the development and validation of two analytical methods to determine fungicides commonly used in the tanning industry and other alternative. One of the methods determines fungicides in leather, ...

    Influencia de la capacidad de resolución de problemas relacionados con la tecnología en el tecnoestrés de profesores de secundaria 

    Revilla Muñoz, Olga (Data de defensa: 2015-09-28)

    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 ...

    A contribution to multi-criteria decision making in sustainable energy management based on fuzzy and qualitative reasoning 

    Afsordegan, Arayeh (Data de defensa: 2015-12-21)

    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 ...

    Propuesta metodológica para el estudio de viabilidad e idoneidad en el uso de nanocompuestos para piezas plásticas de automoción 

    Carod de Arriba, Xavier (Data de defensa: 2015-12-22)

    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 ...

    Responsible innovation at the firm-level : tracing in car industry 

    Zahinos Ruiz, Abel (Data de defensa: 2016-01-18)

    Innovation is an essential activity for the competitiveness of firms. It has also contributed positively to increasing the living standards of millions of people. However, it is widely recognized that innovation co-produces ...

    Anàlisi, disseny, contractació i control del servei de recollida de residus i neteja viària des d'una perspectiva econòmica, ambiental i sociopolítica a Espanya 

    Costa Rodríguez, Jordi (Data de defensa: 2016-01-21)

    Municipal services, particularly waste collection and street cleaning have unique characteristics that make particularly difficult their management and often make that the scientific community and municipal officials have ...

    Análisis espacial colectivo como soporte a las decisiones espaciales : el sistema geoespacial de inteligencia colectiva = Collective spatial analysis as spatial decision-making support : the geospatial system of collective intelligence 

    Castillo Rosas, Juan Daniel (Data de defensa: 2016-02-25)

    The spatial decision-making process for the purpose of planning, policies, plans, or territorial programs, is intimately tied to the concept of location in the respective geographical space, mainly because many aspects ...

    Modelling Li-ion battery aging for second life business models 

    Canals Casals, Lluc (Data de defensa: 2016-03-30)

    Electric vehicles are, slowly but steadily, entering into the automotive market. The slow entry is caused, basically, by the high cost of their batteries. Additionally, electric vehicle batteries are considered not useful ...

    Sistema de control de proyectos de construcción de vivienda usando indicadores clave 

    Caballero Gómez, Alberto Adán (Data de defensa: 2016-06-17)

    The process of control of a construction project involving the whole life cycle is a complex task. The version of control of a project on the basis only of the execution of the work is a limited version, because the success ...

    Analysis of developer-concessionaire rates for a proposed new private commercial port model 

    Roa Perera, Iván (Data de defensa: 2016-09-21)

    This investigation presents a study of the rates that generate economic flows between developers and concessionaires in the port sector based on the hypothesis that a private developer purchases the land on the waterfront ...