Universitat Politècnica de Catalunya
Mostrando ítems 1-20 de 32
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, ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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, ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
