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See detailDroit administratif, Tome II, Les entreprises publiques locales
Durviaux, Ann-Lawrence ULg; Gabriel, Ingrid ULg

Book published by Larcier (2010)

Les règles applicables à l'organisation et au fonctionnement des entreprises publiques locales forment l'objet de cette publication. La première partie est relative aux règles applicables. La seconde est ... [more ▼]

Les règles applicables à l'organisation et au fonctionnement des entreprises publiques locales forment l'objet de cette publication. La première partie est relative aux règles applicables. La seconde est un dossier de documentation contenant des extraits de jurisprudence, de clauses statutaires qui illustrent la première partie [less ▲]

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See detailIMA Commission on New Minerals, Nomenclature and Classification (CNMNC), Newsletter 3
Williams, Pete; Hatert, Frédéric ULg; Pasero, Marco et al

in Mineralogical Magazine (2010), 74

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See detailDéveloppement d'un modèle tertiaire pour la prédiction de la croissance de Listeria monocytogenes et Salmonella spp. dans la viande hachée de porc
Delhalle, Laurent ULg; Adolphe, Ysabelle ULg; Jasick, Adeline ULg et al

in Viandes et Produits Carnés (2010), Hors-série

Tertiary models are proposed in order to predict the growth of Listeria monocytogenes and Salmonella spp. in pork minced meat packaged under stretch film. The models have been calculated from challenge ... [more ▼]

Tertiary models are proposed in order to predict the growth of Listeria monocytogenes and Salmonella spp. in pork minced meat packaged under stretch film. The models have been calculated from challenge-tests at 8°C (L. monocytogenes) and 12°C (Salmonella), the meat being artificially contaminated at 2 log cfu pathogen/g. In a second step, they have been validated at 5, 8 and 10°C for L. monocytogenes (r² : 0.94, 0.98 and 0.95) and 8, 10 and 12°C for Salmonella (r³ : 0.80, 0.92 and 0.98). [less ▲]

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See detailCompte rendu de G. Martin, Divine Talk. Religious Argumentation in Demosthenes. Oxford, 2009.
Delli Pizzi, Aurian ULg

in Kernos : Revue Internationale et Pluridisciplinaire de Religion Grecque (2010)

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See detailLe biomimétismeau service du développement durable
Jaminon, Martine ULg; Theyskens, Benoît; Vercheval, Catherine et al

Learning material (2010)

Plaquette de l'expositon " Biomimétisme au service du développement durable" : 16 thèmes

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See detailUne réforme pour un meilleur fonctionnement et une plus grande transparence
Lecocq, Pascale ULg

in Lecocq, Pascale; Durant, Isabelle; Mostin, Corinne (Eds.) La copropriété par appartements : la réforme de 2010 (2010)

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See detailDisplaying in the dark: light-dependent alternative mating tactics in the Alpine newt
Denoël, Mathieu ULg; Doellen, Joffrey

in Behavioral Ecology and Sociobiology (2010), 64(7), 1171-1175

Environment plays a major role for determining the kind of courtship behaviours or alternative mating tactics employed, but the effect of physical variables on fitness has received little attention. The ... [more ▼]

Environment plays a major role for determining the kind of courtship behaviours or alternative mating tactics employed, but the effect of physical variables on fitness has received little attention. The Alpine newt courts during both day and night times and exhibits a complex suite of behaviours involving olfactory, visual and tactile cues. Displaying in both dark and light conditions may increase the number of mating opportunities and alleviate predation risk, but the frequency and efficacy of the various tactics deployed may vary across light conditions, leading males to vary their use of these tactics across different light regimes. To test this hypothesis, we video-recorded sexual encounters at two light intensities in a controlled experimental design. When courting in the dark, males used comparatively more olfactory rather than visual displays. They also relied more on positive feedback from the female before releasing a spermatophore for her to pick up. The particular mix of tactics used under each light condition is likely to be adaptive because in the dark (1) visual communication is hampered, making olfactory displays possibly more effective and (2) males depositing spermatophores are more likely to lose fertilizations to competitors. Mating in light and dark conditions has similar reproductive payoffs, which shows that displaying in the dark is not detrimental and may even be advantageous if predation risk is reduced at night. These results confirm the importance of taking into account physical variables to understand the evolution of sexual communication in animals. [less ▲]

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See detailCO2 valorization by means of dielectric barrier discharge
Machrafi, Hatim ULg; Cavadias, S.; Amouroux, J.

(2010)

In order to reduce atmospheric pollution by CO2 (by transport and industrial applications), CO2 can be used as a source, instead of stocking it as a product. The case considered is the reaction between ... [more ▼]

In order to reduce atmospheric pollution by CO2 (by transport and industrial applications), CO2 can be used as a source, instead of stocking it as a product. The case considered is the reaction between CO2 and methane producing hydrogen: CO2 + CH4 2 CO + 2 H2 H° = 258.9 kJ/mole. The activation barrier of this endothermic reaction needs to be surpassed. The method of Dielectric Barrier Discharge (DBD) can be used, needing less energy than heating or catalytic pyrolysis. The process relies on the collision of electrons (forming reactive species), accelerated under an electrical field in the discharge area, facilitating the abovementioned reaction. The first step of the simulation in this work presents a 1D model in Matlab (Poisson equation, conservation of electrons and ions), obtaining an average electron and ion density. This is then introduced in a kinetic model of CH4/CO2 dissociation via electron collisions in the discharge region (Reaction Engineering module in COMSOL). Then COMSOL (continuity and Navier- Stokes equations) is used to model the flow in the post-discharge phase (reactions between vibrationally excited CO2 and CH4). Preliminary calculations for a plasma reactor model show that when the reactor wall is heated at 1000K, without electrical discharge, the decomposition of CO2 is 7.5%. With electrical discharge, the same decomposition is attained at a lower temperature, namely 880K. [less ▲]

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See detailRealisation of a fully-deterministic microlensing observing strategy for inferring planet populations
Dominik, M.; Jørgensen, U. G.; Rattenbury, N. J. et al

in Astronomische Nachrichten (2010), 331

Within less than 15 years, the count of known planets orbiting stars other than the Sun has risen from none to more than 400 with detections arising from four successfully applied techniques: Doppler ... [more ▼]

Within less than 15 years, the count of known planets orbiting stars other than the Sun has risen from none to more than 400 with detections arising from four successfully applied techniques: Doppler-wobbles, planetary transits, gravitational microlensing, and direct imaging. While the hunt for twin Earths is on, a statistically well-defined sample of the population of planets in all their variety is required for probing models of planet formation and orbital evolution so that the origin of planets that harbour life, like and including ours, can be understood. Given the different characteristics of the detection techniques, a complete picture can only arise from a combination of their respective results. Microlensing observations are well-suited to reveal statistical properties of the population of planets orbiting stars in either the Galactic disk or bulge from microlensing observations, but a mandatory requirement is the adoption of strictly-deterministic criteria for selecting targets and identifying signals. Here, we describe a fully-deterministic strategy realised by means of the ARTEMiS (Automated Robotic Terrestrial Exoplanet Microlensing Search) system at the Danish 1.54-m telescope at ESO La Silla between June and August 2008 as part of the MiNDSTEp (Microlensing Network for the Detection of Small Terrestrial Exoplanets) campaign, making use of immediate feedback on suspected anomalies recognized by the SIGNALMEN anomaly detector. We demonstrate for the first time the feasibility of such an approach, and thereby the readiness for studying planet populations down to Earth mass and even below, with ground-based observations. While the quality of the real-time photometry is a crucial factor on the efficiency of the campaign, an impairment of the target selection by data of bad quality can be successfully avoided. With a smaller slew time, smaller dead time, and higher through-put, modern robotic telescopes could significantly outperform the 1.54-m Danish, whereas lucky-imaging cameras could set new standards for high-precision follow-up monitoring of microlensing events. Based on data collected by the MiNDSTEp consortium with the Danish 1.54-m telescope at the ESO La Silla Observatory. [less ▲]

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See detailHow bright is the Io UV footprint?
Bonfond, Bertrand ULg; Grodent, Denis ULg; Gérard, Jean-Claude ULg et al

Conference (2010)

The electro-magnetic interaction between Io and the Jovian magnetosphere generates a perturbation in the magnetospheric plasma which propagates along the magnetic field lines and creates auroral footprint ... [more ▼]

The electro-magnetic interaction between Io and the Jovian magnetosphere generates a perturbation in the magnetospheric plasma which propagates along the magnetic field lines and creates auroral footprint emissions in both hemispheres. Recent results showed that this footprint is formed of several spots and an extended tail. Each feature is suggested to correspond to a different step in the propagation of the perturbation and in the electron energization processes. The present study focuses on the variations of the spots' brightness at different timescales from minutes to years through the rotation period of Jupiter. It relies on FUV images acquired with the STIS and ACS instruments onboard the Hubble Space Telescope. Since the footprint is composed of several localized features, a good understanding of the emission region geometry is critical to derive the actual vertical brightness and thus the precipitated energy flux. We developed a 3D emission model in order to assess as precisely as possible the respective contribution of each individual feature and to correctly estimate the precipitating energy flux. As far as the brightness variations on timescales of minutes are concerned, we will present results from the high time resolution campaign executed during summer 2009. On timescale of several hours, we will show that the variation of the emitted power as a function of the location of Io in the plasma torus suggests that the Jovian surface magnetic field strength is an important controlling parameter. Finally, the measured precipitated power and particle fluxes will be discussed in comparison with recent simulations considering both Alfvén waves filamentation and electron acceleration when the Alfvén waves become inertial. [less ▲]

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See detailNonrenal disease activity following mycophenolate mofetil or intravenous cyclophosphamide as induction treatment for lupus nephritis: findings in a multicenter, prospective, randomized, open-label, parallel-group clinical trial
Ginzler, Ellen M; Wofsy, David; Isenberg, David et al

in Arthritis and Rheumatism (2010), 62(1), 211-221

OBJECTIVE: To assess the effect of mycophenolate mofetil compared with intravenous pulses of cyclophosphamide on the nonrenal manifestations of lupus nephritis. METHODS: Patients with active lupus ... [more ▼]

OBJECTIVE: To assess the effect of mycophenolate mofetil compared with intravenous pulses of cyclophosphamide on the nonrenal manifestations of lupus nephritis. METHODS: Patients with active lupus nephritis (renal biopsy class III, IV, or V) were recruited for the study (n = 370) and treated with mycophenolate mofetil (target dosage 3 gm/day) or intravenous cyclophosphamide (0.5-1.0 gm/m(2)/month), plus tapered prednisone, for 24 weeks. Nonrenal outcomes were determined using measures of whole body disease activity, including the British Isles Lupus Assessment Group (BILAG) disease activity index, the Safety of Estrogens in Lupus Erythematosus: National Assessment (SELENA) version of the Systemic Lupus Erythematosus Disease Activity Index (SLEDAI), and immunologic variables. RESULTS: Both treatments were effective on whole body disease activity in the systems examined, as indicated by changes in the classic BILAG index. With either treatment, remission was induced, notably in the mucocutaneous, musculoskeletal, cardiovascular/respiratory, and vasculitis systems, and flares were rare, as measured by the SELENA-SLEDAI. Levels of complement C3, C4, and CH50 and titers of anti-double-stranded DNA antibodies were normalized after treatment with either mycophenolate mofetil or intravenous cyclophosphamide. CONCLUSION: In addition to the efficacy of both treatments on the renal system, this analysis showed that remission could also be induced in other systems. There was no clear difference in efficacy between mycophenolate mofetil and intravenous cyclophosphamide in ameliorating either the renal or nonrenal manifestations. Mycophenolate mofetil is, therefore, a suitable alternative to cyclophosphamide for the treatment of renal and nonrenal disease manifestations in patients with biopsy-proven lupus nephritis. [less ▲]

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See detailFilles et garçons face à l'orientation scientifique : stéréotypes en tout genre
Goffin, Christelle ULg; Quittre, Valérie ULg; Lafontaine, Dominique ULg

in Gavray, Claire; Adriaenssens, Alexandra (Eds.) Une fille = un garçon ? Identifier les inégalités de genre à l'école pour mieux les combattre (2010)

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See detailContrasting response of European forest and grassland energy exchange to heatwaves
Teuling, A. J.; Seneviratne, S. I.; Stöckli, R. et al

in Nature Geoscience (2010), 3(10), 722-727

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See detailClaude Lévi-Strauss. Notice nécrologique pour L'Année sartrienne
Cormann, Grégory ULg

in Cormann, Grégory (Ed.) L'Année sartrienne, n° 24 (2010)

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See detailFunctionalization of carbon xerogels for the preparation of Pd/C catalysts by grafting of Pd complex
Diverchy, Chantal; Hermans, Sophie; Job, Nathalie ULg et al

in Studies in Surface Science and Catalysis (2010), 175

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See detailSize noun constructions as collocationally constrained constructions: lexical and grammaticalized uses
Brems, Lieselotte ULg

in English Language and Linguistics (2010), 14(1), 83-109

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