Results 21 to 30 of about 9,096 (124)

La dualitat glocalitzadora de l’esport contemporani* [PDF]

open access: yes, 2009
En aquest treball es fa un balanç del debat actual, en l’àmbit de la sociologia de l’esport, sobre globalització i esport, i s’argumenta que l’avenç mundial de l’esport en aquests començaments del segle xxi, s’entén millor en termes del fenomen de la ...
García Ferrando, Manuel
core  

Support‐Driven Acidity and Interfacial Effects in Mo2C Catalysts for Glycerol Hydrodeoxygenation to LPG

open access: yesChemCatChem, Volume 18, Issue 3, 12 February 2026.
Mo2C nanoparticles, supported on Nb2O5, γ‐Al2O3, or TiO2, under optimized conditions and DFTB insights, are crucial for efficient Liquefied Petroleum Gas (LPG) production, representing a promising advance in glycerol conversion into renewable fuels. ABSTRACT This study explores the hydrodeoxygenation (HDO) of glycerol into liquid petroleum gas (LPG ...
Ricardo Lopes de Souza Júnior   +11 more
wiley   +1 more source

Mitochondrial fatty acid oxidation is stimulated by red light irradiation

open access: yesFEBS Letters, Volume 600, Issue 1, Page 20-38, January 2026.
Light at different wavelengths has distinct effects on keratinocyte viability and metabolism. UVA light abrogates metabolic fluxes. Blue and green light have no effect on metabolic fluxes, while red light enhanced oxidative phosphorylation by promoting fatty acid oxidation. Keratinocytes are the primary constituents of sunlight‐exposed epidermis.
Manuel Alejandro Herrera   +4 more
wiley   +1 more source

En comptes de «més» democràcia, una democràcia «millor»? [PDF]

open access: yes, 2013
A la llum de l'augment de reivindicacions d’una representació política més responsable amb el rerefons fons del que es percep com una crisi major de la democràcia representativa, aquest article examina les percepcions dels ciutadans sobre la democràcia ...
Toplak, Cirila
core  

Groundwater Changes the Climate Niche of an Amazonian Mound‐Building Termite

open access: yesEcohydrology, Volume 19, Issue 1, January‐February 2026.
ABSTRACT Rainfall is a major dimension of species climate niches. It has been proposed that groundwater can change species responses to rainfall by creating ‘hydrological refugia’ under a drier climate. However, the available evidence is conflicting and biased towards plants.
Pedro Aurélio Costa Lima Pequeno
wiley   +1 more source

ANÁLISE PATENTOMÉTRICA DAS TECNOLOGIAS DE PROCESSO DA COMPANHIA SIDERÚRGICA NACIONAL (CSN)

open access: yesRevista Gestão Inovação e Tecnologias, 2016
Este artigo tem como objetivo tracar o perfil tecnologico dos processos produtivos da Companhia Siderurgica Nacional (CSN). Para tanto, sao analisados, por meio de um estudo patentometrico, os depositos de pedido de patente ou modelo de utilidade da CSN, no periodo entre 1971 e 2009, classificando-os entre tecnologias de produto e tecnologias de ...
M. C. Fagundes   +3 more
openaire   +1 more source

La investigació mediàtica a l'Amèrica Llatina completa un cicle [PDF]

open access: yes, 1996
Durant els últims quaranta anys, la investigació mediàtica a l'Amèrica Llatina ha demostrat un compromís notablement consistent amb l'anàlisi crítica, i ha aconseguit respondre a les demandes de les circumstàncies polítiques de cada període.
Fox, Elizabeth
core   +1 more source

Impact of Extrusion Pretreatment on Polypropylene Waste Pyrolysis

open access: yesPolymer Engineering &Science, Volume 66, Issue 1, Page 314-327, January 2026.
Schematic of the recycling process, highlighting the extrusion (450°C, 2 min) pretreatment applied to postconsumer PP samples before pyrolysis at 425°C–475°C for 15–45 min. ABSTRACT The present study investigates the influence of extrusion pretreatment on the pyrolysis of post‐consumer polypropylene (PP), expanding upon previous findings related to the
Yasmin Fialho Siqueira   +8 more
wiley   +1 more source

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