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See detailSimulation of the formation of methanol from CO2 and H2, in electrocatalytic plasma chemical reactor
Machrafi, Hatim ULg; Cavadias, Simeon; Amouroux, Jacques

(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 H2 producing methanol: The reaction for the formation of methanol: CO2 + 3H2  CH3OH + H2O is strongly exothermique with an activation barrier needed to be surpassed and proceeds at high pressure and temperature with the use of a catalyst. The use of a non-thermal plasma namely a Dielectric Barrier Discharge (DBD) can generate energetic electrons which can initiate, excitation reactions (vibrational, electronic), dissociation, formation of radicals and ionization. Thus the activation of reactants (CO2 and H2) by the plasma can dramatically enhance the conversion of CO2. The aim of this work is to simulate this reaction associating electrical discharges and heterogeneous catalysis. 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 electron density is then introduced in a gas phase kinetic model for the vibrational excitation and dissociation of H2/CO2 via electron collisions in the discharge region. The adsorption of radicals, produced in the gas phase, in the catalyst, is simulated using the commercial code COMSOL. The parameters studied in this work are the input power of the electrical discharge and the temperature of the catalyst on the conversion rate of CO2. [less ▲]

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See detailWeathering of the hairless scalp: a study using skin capacitance imaging and ultraviolet light-enhanced visualization.
Xhauflaire, Emmanuelle ULg; Pierard, Claudine ULg; Pierard, Gérald ULg et al

in Clinical & Experimental Dermatology (2010), 35(1), 83-5

The balding scalp is particularly exposed to sunlight, hence, the overall ageing process modulated by ultraviolet and near-infrared light may be increased at this location. The induced changes are better ... [more ▼]

The balding scalp is particularly exposed to sunlight, hence, the overall ageing process modulated by ultraviolet and near-infrared light may be increased at this location. The induced changes are better revealed under ultraviolet light examination. Any alteration in the epidermal maturation is potentially reflected by stratum corneum changes observed as disturbances on skin-capacitance imaging. [less ▲]

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See detailRésolution de problèmes et représentations : construction de dessins libres ou utilisation de schémas prédéfinis ?
Fagnant, Annick ULg; Vlassis, Joëlle

in Congrès international. Actualité de al recherche en éducation et en formation. AREF 2010 (2010)

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See detailEn las montañas de la locura
Lovecraft, Howard Phillips; Willson, Patricia ULg

Book published by Libros del Zorro Rojo (2010)

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See detailNéerlandais / Presse radio
Yans, Baudoin ULg; Engelen, Nicole ULg; Nachtergaele, Lutgarde

Book published by De Boeck Université (2010)

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See detailOn the use of posture verbs by French-speaking learners of Dutch : A corpus-based study
Lemmens, Maarten; Perrez, Julien ULg

in Cognitive Linguistics (2010)

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See detailStrategies pour eviter l'inertie et la non-observance dans les essais cliniques.
Jandrain, Bernard ULg; Ernest, Philippe ULg; Radermecker, Régis ULg et al

in Revue Médicale de Liège (2010), 65(5-6), 246-9

Randomised controlled trials play a key role in evidence-based medicine as far as the assessment of both efficacy and safety of drugs is concerned. Various strategies are used to avoid physician's inertia ... [more ▼]

Randomised controlled trials play a key role in evidence-based medicine as far as the assessment of both efficacy and safety of drugs is concerned. Various strategies are used to avoid physician's inertia and to combat patient's non compliance, two pitfalls that may hinder the demonstration of the therapeutic efficacy of the drug. Clinical inertia may be limited by titration, forced or optional, driven by therapeutic targets, or by the use, if necessary, of rescue medications. Compliance may be verified by "pill count". This simple technique allows to exclude non compliant patients when they are detected during the placebo run-in period before randomisation or not to take into account patients with poor compliance in the final evaluation by using a statistical analysis restricted to individuals who have strictly adhered to the study protocol ("per protocol analysis"). Self-monitoring and patient's empowerment in the treatment also contribute to improve drug compliance. Clinicians may take advantage of these approaches derived from clinical trials to improve their daily practice. [less ▲]

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See detailThéorie et pratique de la négociation dans le cadre des marchés publics
Durviaux, Ann-Lawrence ULg

Conference given outside the academic context (2010)

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See detailThe effectiveness of inpatient geriatric evaluation and management units: a systematic review and meta-analysis.
Van Craen, Katleen; Braes, Tom; Wellens, Nathalie et al

in Journal of the American Geriatrics Society (2010), 58(1), 83-92

OBJECTIVES: To examine how geriatric evaluation and management units (GEMUs) are organized and to examine the effectiveness of admission on a GEMU. DESIGN: Systematic review and meta-analysis based on ... [more ▼]

OBJECTIVES: To examine how geriatric evaluation and management units (GEMUs) are organized and to examine the effectiveness of admission on a GEMU. DESIGN: Systematic review and meta-analysis based on literature search of multiple databases and the references lists of all identified articles and by contacting authors. SETTING: GEMUs. PARTICIPANTS: Elderly people admitted to a GEMU. MEASUREMENTS: Quality of the studies was assessed on 10 criteria. The outcome parameters were mortality, institutionalization, functional decline, readmission, and length of stay at different follow-up points. A random-effects meta-analysis was performed using Hedges' gu and variance of relative risk (RR). RESULTS: GEMUs are organized in a heterogeneous way and the included studies gave no thorough description of comprehensive geriatric assessment (CGA). Involvement of a multidisciplinary team was a key element in all GEMUs. The individual trials showed that admission to a GEMU has one or more favorable effects on the outcomes of interest, with two significant effects in the meta-analysis: less functional decline at discharge from the GEMU (RR=0.87, 95% confidence interval (CI)=0.77-0.99; P=.04) and a lower rate of institutionalization 1 year after discharge (RR=0.78, CI=0.66-0.92; P=.003). For the other outcomes in the meta-analysis, a GEMU did not induce significantly different outcomes than usual care. CONCLUSION: This meta-analysis shows a significant effect in favor of the GEMU group on functional decline at discharge and on institutionalization after 1 year. There is heterogeneity between the studies, poor quality of some randomized controlled trials, and shortage of information about CGA. Multidisciplinary CGA offered in a GEMU may add value to the care for frail older persons admitted to the hospital, but the limitations confirm the need for well-designed studies using explicit CGA and more-structured and -coherent assessment instruments such as the Minimum Data Set Resident Assessment Instrument. [less ▲]

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See detailIrvin Yalom : satire et thérapie
Saint-Amand, Denis ULg

Article for general public (2010)

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See detailMathémagie et au-delà
Rigo, Michel ULg

Learning material (2010)

Nous présentons ici 5 tours de magie ne nécessitant aucune habileté particulière de la part de l'apprenti magicien : des tours de cartes, des tours de divination et le célèbre tour du ``barman aveugle ... [more ▼]

Nous présentons ici 5 tours de magie ne nécessitant aucune habileté particulière de la part de l'apprenti magicien : des tours de cartes, des tours de divination et le célèbre tour du ``barman aveugle avec des gants de boxe''. Contrairement au magicien qui ne dévoile jamais ses secrets, ici, nous expliquons que ces tours reposent sur diverses propriétés et constructions mathématiques. Ces dernières débouchent sur de véritables questions de recherche actuelle en théorie des graphes ou en combinatoire des mots et même sur de possibles applications en robotique et automatisation ! Il y en aura donc pour tous les goûts... et tous les niveaux (suivant l'auditoire, l'exposé sera adapté au niveau des élèves de la 4ième à la 6ième secondaire, voire même aux étudiants universitaires). Ce texte présente donc un matériel qui dépassera souvent (et de loin) le ``spectacle''. [less ▲]

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See detailPincer nails associated with pamidronate
FAILLA, Valérie ULg; RICHERT, BERTRAND; NIKKELS, Arjen ULg

in Clinical & Experimental Dermatology (2010)

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See detailPoésie et sphère publique au tournant des XIXe et XXe siècles : le cas du Figaro
Durand, Pascal ULg

in Blandin, Claire (Ed.) Le Figaro. Histoire d'un journal (2010)

Le Figaro a été l'un des lieux d'articulation et d'affrontement entre modernité littéraire et sphère publique. Baudelaire y publie sa grande étude sur "Le peintre de la vie moderne", Mallarmé y lance son ... [more ▼]

Le Figaro a été l'un des lieux d'articulation et d'affrontement entre modernité littéraire et sphère publique. Baudelaire y publie sa grande étude sur "Le peintre de la vie moderne", Mallarmé y lance son projet de réforme du Domaine public. Jean Moréas surtout y publie son article de lancement de "L'école symbolique", premier manifeste littéraire au sens strict, en attendant la parution, dans les mêmes colonnes, du "Manifeste du futurisme" de Marinetti. Apogée terminale de la modernité, d'un côté. Lancement fracassant des avant-gardes, de l'autre. [less ▲]

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See detailPréface (Art actuel et Installation)
Bawin, Julie ULg; Foulon, Pierre-Jean ULg

in Bawin, Julie; Foulon, Pierre-Jean (Eds.) Art actuel et Installation (2010)

Detailed reference viewed: 6 (1 ULg)