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See detailLe mythe de la jeunesse : Sartre et les générations des Trente Glorieuses
Sindaco, Sarah ULg

Article for general public (2010)

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See detailNightglow investigation around 1.27 µm with VIRTIS/Venus-Express
Migliorini, A.; Piccioni, G.; Gérard, Jean-Claude ULg et al

Conference (2010, December)

In this study we report about the investigation of the spectral region 1.22-1.32 µm of the night side of Venus, observed by the VIRTIS instrument (Visible and InfraRed Spectral Imaging Spectrometer) on ... [more ▼]

In this study we report about the investigation of the spectral region 1.22-1.32 µm of the night side of Venus, observed by the VIRTIS instrument (Visible and InfraRed Spectral Imaging Spectrometer) on board the Venus Express spacecraft. This spectral region is characterized by the presence of the extensively studied (a1Δg – X3Σg-) (0,0) O2 nightglow band, the most intense emission observed on the night side of Venus. However, the comparison between data and synthetic spectra from the (0,0) band only, lacks a good match at wavelengths longer than 1.27 μm, especially in the region around 1.28-1.29 μm. The effects of temperature, CO2 and the (8,5) OH emission at 1.28 µm were investigated as a possible cause to the spectral disagreement, but they all are not enough to explain the observed difference. Instrumental effects were also excluded as possible cause of the mismatch. We found that the inclusion of the (1,1) band O2 emission in the synthetic spectra, originating from the upper vibrational level ν=1 of the (a1Δg – X3Σg-) transition centered at 1.28 μm, in addition to the (0,0), significantly improves the agreement between simulated spectra and observed data in the region at 1.28-1.29 μm. A synthetic spectrum, including the (0,0) and the (1,1) is produced and compared to 4 observed VIRTIS spectra, as an example. From the analyzed data, it results that the (1,1) band with an intensity ranging from the 8 to 15% of the (0,0) band is required to best reproduce the observed VIRTIS spectra. This corresponds to a (1,1) band intensity equal to 3.1-5.8 MR, in limb view, in agreement with the upper limit set by Connes et al., (1979), on their ground-based observations of the oxygen nightglow of Venus. [less ▲]

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See detailProgrammes et actions publiques pour stimuler l’innovation régionale dans la compétitivité mondiale
Doloreux, D.; Devillet, Guénaël ULg; Melançon, Y.

in Canadian Public Administration / Administration publique du Canada (2010), 53

Abstract: Theobjectiveofthisarticleistoanalysepublicinitiativestostimulateregional innovation in Walloon region in Belgium and in the Province of Quebec. The empirical analysis relies on the competitive ... [more ▼]

Abstract: Theobjectiveofthisarticleistoanalysepublicinitiativestostimulateregional innovation in Walloon region in Belgium and in the Province of Quebec. The empirical analysis relies on the competitive poles program in Walloon and on the ACCORD project (Action Concerte ́e de Coope ́ration Re ́gionale de De ́veloppement) in Quebec. The comparison will allow discussing the implementation and regional embedding of these programs and will reveal the similarities and the differences between the structure, the organization and the deployment of these strategies in the various regions targeted. [less ▲]

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See detailOrgano-mineral imprints in fossil cyanobacterial mats of an Antarctic lake
Javaux, Emmanuelle ULg; Lepot, Kevin ULg; Deremiens, Leo et al

Poster (2010, December)

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See detailEndogenous mode of competition in general equilibrium
Tharakan, Joseph ULg

Conference (2010, December)

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See detailEsthétique de la métamorphose (expo MOEBIUS-TRANS-FORME)
Hagelstein, Maud ULg

in Culture, le magazine culturel de l'Université de Liège (2010)

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See detailConservation of endemic plants from the Katanga copper belt (DR Congo)
Lebrun, Julie ULg; Minengo Handjila, Guylain; Weiskopf, Thomas et al

Poster (2010, December)

The Katanga copper belt, where natural outcrops of copper-rich rocks are colonised by highly original plant communities, has been recognised as a hotspot for metallophyte species. The flora comprises more ... [more ▼]

The Katanga copper belt, where natural outcrops of copper-rich rocks are colonised by highly original plant communities, has been recognised as a hotspot for metallophyte species. The flora comprises more than 600 species from which 30 are endemics. These plants represent a valuable phytogenetic resource for revegetation and restoration programs, for the phytostabilisation and for the remediation of heavy metal pollutions. However, the flora of metalliferous soils is threatened by mining activities in Katanga. Actions aiming at preserving these species are therefore urgent. Since 2007, a unique conservation project has been launched by scientists supported by a mining company. The aim is to elaborate a program that allows biodiversity conservation while being compatible with mining activities. The project combines in-situ and ex-situ conservation strategies involving ecosystem reconstruction, species translocations, protected areas designation and the development of seed banks in Belgium and in Katanga. [less ▲]

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See detailDa Crono agli eroi. Ordine e disordine, violenza e homonoia nelle Argonautiche di Apollonio Rodio
Caneva, Stefano ULg

in Andò, Valeria; Cusumano, Nicola (Eds.) Come bestie? Forme e paradossi della violenza tra mondo antico e disagio contemporaneo (2010)

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See detailGenèse du Zutisme
Saint-Amand, Denis ULg

in Whidden, Seth (Ed.) La Poésie jubilatoire : Rimbaud, Verlaine et l'Album zutique. (2010)

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See detailComoment Risk and Stock Returns
Lambert, Marie ULg; Hübner, Georges ULg

Conference (2010, December)

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See detailAlternative photosynthetic electron pathways in different clades of Symbiodinium: the Mehler reaction
Roberty, Stéphane ULg; Poulicek, Mathieu ULg; Franck, Fabrice ULg

Poster (2010, December)

The high productivity of coral reef ecosystems is largely attributed to the mutualistic symbiosis between reef-building corals and their intracellular dinoflagellate in the genus Symbiodinium commonly ... [more ▼]

The high productivity of coral reef ecosystems is largely attributed to the mutualistic symbiosis between reef-building corals and their intracellular dinoflagellate in the genus Symbiodinium commonly referred to as zooxanthellae. These photosynthetic algae translocate a majority of their photosynthetically fixed carbon to the host and contribute greatly to their metabolic needs (Muscatine, 1990) and the calcification process (Gattuso, 1999). In the natural environment the holobiont have to cope with significant daily variations in light intensities that sometimes exceed Symbiodinium photosynthetic capacity. Fortunately, photosynthetic organisms possess regulatory features that help to ensure that high light intensities can be endured without the accumulation of photodamage. Thus, the regulation of photosynthesis can be viewed as a dynamic balance between photosynthetic efficiency (photochemical quenching) and photoprotection processes (i.e. non-photochemical quenching). Among them, the role of O2 as an alternative electron acceptor within the chloroplast could play a critical role (Ort & Baker, 2002). Under particular environmental conditions when sinks for photosynthetic electrons are scarce, the direct reduction of oxygen by the PSI could sustain significant levels of photosynthetic electron flux by initiating the ΔpH formation and of NPQ, regulating the ratio of ATP/NADPH to match the requirements of carbon reduction. However, this process leads to the formation of reactive oxygen species that are rapidly detoxified by superoxide dismutase and ascorbate peroxidase. An additional electron flux associated with this oxygen pathway is directed to the reduction of monodehydroascorbate (MDA), which is generated as a result of peroxide reduction by ascorbate (Asada, 2000). The present study aimed to highlight the existence of alternative photosynthetic electron pathways and more especially the Mehler ascorbate peroxidase pathway in different clades of Symbiodinium, cultivated at low and high light intensities. -Muscatine L (1990) The role of symbiotic algae in carbon and energy flux in reef corals. In: Dubinsky Z(ed) Ecosystems of the world: coral reefs. Elsevier, Amsterdam, pp 1-9. -Gattuso JP, Allemand D and M Frankignoulle (1999) Photosynthesis and calcification at cellular, organismal and community levels in coral reefs: A review on interactions and control by carbonate chemistry. American Zoologist 39(1): 160-183. -Ort, D. R. and N. R. Baker (2002). A photoprotective role for O2 as an alternative electron sink in photosynthesis? Current Opinion in Plant Biology 5(3): 193-198. -Asada, K. (2000) The water-water cycle as alternative photon and electron sinks. Philosophical Transactions of the Royal Society B-Biological Sciences 355(1402): 1419–1431. [less ▲]

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See detailPremière approche du choix des proies et de la stratégie alimentaire chez le balbuzard pêcheur en France continentale
Rosoux, René; Libois, Roland ULg; Schweyer, Jean Baptiste et al

in Recherches Naturalistes en Région Centre (2010), 18

La population nicheuse de balbuzards pêcheurs en région Centre, principalement établie en forêt d'Orléans et en Sologne, a fait l'objet d'une prémière étude sur le choix des proies et la stratégie ... [more ▼]

La population nicheuse de balbuzards pêcheurs en région Centre, principalement établie en forêt d'Orléans et en Sologne, a fait l'objet d'une prémière étude sur le choix des proies et la stratégie alimentaire. L'analyse a été menée sur un échantillon d'une quinzaine de couples. Les premiers résultats montrent que les rapaces consomment une large gamme de poissons, évaluéenà plus de 20 espèces. Quels que soient la méthode utilisée et le nid étudié, ce sont les cyprinidés qui constituent la grande majorité des proies. En période d'étiage, les espèces de poisson de fond viennent également enrichir le régime alimentaire en raison de la faible profondeur de l'eau. [less ▲]

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See detailBientôt un code pénal social
Kefer, Fabienne ULg; Debauche, M.

in Droit pénal de l'entreprise (2010)

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See detailActualités en droit judiciaire
Georges, Frédéric ULg; Boularbah, Hakim

Book published by Anthemis (2010)

Cet ouvrage contient : - une chronique dédiée aux questions de compétence, matérielle et territoriale, des cours et tribunaux ; - une chronique consacrée à la procédure civile (introduction de l’instance ... [more ▼]

Cet ouvrage contient : - une chronique dédiée aux questions de compétence, matérielle et territoriale, des cours et tribunaux ; - une chronique consacrée à la procédure civile (introduction de l’instance, mesures avant dire droit, mise en état et les conclusions, demandes incidentes, incidents et mesures d’instruction, office du juge et audience de plaidoiries, jugement et emploi des langues); - une chronique relative à la répétibilité des frais et honoraires d’avocat ; - une chronique consacrée aux voies de recours et en particulier à l'appel [less ▲]

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See detailHealth CoP : communautés de pratique dans le domaine de la santé
Denis, Brigitte ULg; Snoeck, Céline ULg; Grana-Monteirin, Casto ULg

Report (2010)

Ce rapport (privé) décrit les actions menées dans le cadre du projet Health CoP. http://www.crifa.ulg.ac.be/projets/healthcop/

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See detailMagnetic susceptibility correlation of km-thick Eifelian-Frasnian sections (Belgium-Czech Republic)
Boulvain, Frédéric ULg; Da Silva, Anne-Christine ULg; Mabille, Cedric et al

in Geologica Belgica (2010, December), 13(4), 5-7

Detailed reference viewed: 31 (9 ULg)