974 resultados para Economia inform


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Article d'economia, adreçat a tot tipus de població, en especial estudiants de batxillerat i cicles formatius de la rama administrativa i comercial.

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Article 2 de la sèrie Tastets d'economia, adreçada al target: principiants, estudiants de batxillerat i de cicles formatius, de l'àrea de les ciències socials.

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Article tastets d'economia número 4, que explica el paradigma dels diamants i l'aigua, adreçat al target de les ciències socials.

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Tercer tastet, dels articles d'economia, adreçat al target de les ciències socials.

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Catalunya ha apostat per una política de recerca que cada dia aconsegueix bons resultats. Aquesta setmana s'ha fet públic que 14 investigadors que treballen en centres i universitats catalanes han rebut les prestigioses 'Starting Grants de l'European Research Council'. El resultat és destacable si es considera que tot l'Estat espanyol, amb Catalunya, n'ha rebut 29. Catalunya està per sobre de Dinamarca, Àustria, Finlàndia, Noruega, Portugal, Irlanda, Grècia, Hongria, Turquia, Polònia i Eslovàquia

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Antoni Castellà, secretari d'Universitats i Recerca, deia que en aquests moments a Israel el 25% del PIB són noves empreses sorgides de l'àmbit científic i que cal fer una aliança amb Israel per seguir el seu camí i veure com podem aprendre d'ells per fer el mateix salt tecnològic en els propers anys

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In this paper, the atom economy concepts are applied in a series of experiments during an experimental organic chemistry class, to implement "green chemistry" in an undergraduate course.

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Algae constitute a large group of many different organisms, essentially aquatic and able to live in all systems giving them sufficient light and humidity. Some algae species have been used in the evaluation or in the bioremediation of aquatic systems. More recently algae have been suggested as interesting tools in the field of analytical chemistry. In this work the most important aspects related to the different uses of algae are presented with a brief discussion.

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This paper examines the factors that have influenced the energy intensity of the Spanish road freight transport of heavy goods vehicles over the period 1996–2012. This article aims to contribute to a better understanding of the factors behind the energy intensity change of road freight and also to inform the design of measures to improve energy efficiency in road freight transport. The paper uses both annual single-period and chained multi-period multiplicative LMDI-II decomposition analysis. The results suggest that the decrease in the energy intensity of Spanish road freight in the period is explained by the change in the real energy intensity index (lower energy consumption per tonne-kilometre transported), which is partially offset by the behaviour of the structural index (greater share in freight transport of those commodities the transportation of which is more energy intensive). The change in energy intensity is analysed in more depth by quantifying the contribution of each commodity through the attribution of changes in Divisia indices.