References of "2012"
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See detailRandomised trials on secondary prevention of low back pain in occupational settings.
Mairiaux, Philippe ULg; Loomis, Dana

in Occupational and Environmental Medicine (2012), 69(1), 1-2

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See detailGestion de la diversité: nouveaux enjeux
Cornet, Annie ULg

Conference (2012, January)

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See detailHARELBKE LOCK (Design & Build Procedure)
Rigo, Philippe ULg; DEROUCK, Julien

Report (2012)

Three proposals have been received by the Waterwegen en Zeekanaal NV . This report reviews these proposals of lock design in the framework of HARELBKE LOCK (Design & Build Procedure)

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See detailAnthracologie : perturbations passées et évolution de la végétation
Morin-Rivat, Julie ULg

in CoForChange - La Lettre (2012)

Mettre en évidence la relation entre occupation humaine et distribution de la végétation est l’un des points abordés par CoForChange. Les récentes études montrent que les perturbations anthropiques ont eu ... [more ▼]

Mettre en évidence la relation entre occupation humaine et distribution de la végétation est l’un des points abordés par CoForChange. Les récentes études montrent que les perturbations anthropiques ont eu une influence sur la végétation, permettant notamment l’expansion des espèces héliophiles (cf. Lettre n° 4). Pour contribuer à cette analyse dans un contexte de grande rareté des données anthracologiques en Afrique, nous avons, dans le cadre d’un master, choisi d’étudier les charbons de bois issus de neuf fosses pédologiques du projet CoForChange. L’objectif était d’appréhender les compositions floristiques actuelle et passée des forêts au regard des perturbations passées. Deux protocoles anthracologiques d’identification ont été testés : a) à l’échelle de l’espèce, par une description des caractères anatomiques des charbons de bois, une recherche sur la base de données en ligne InsideWood et une comparaison anatomique au Xylarium de Tervuren ; b) à l’échelle de la communauté, par une recherche des relations statistiques entre traits écologiques des espèces et anatomie du bois. Les résultats montrent que la diversité taxonomique sous les forêts à Marantaceae est plus grande que sous les forêts denses de terre ferme. Trois identifications ont été obtenues sur 48 taxons décrits : Gilbertiodendron dewevrei sous forêt monodominante à G. dewevrei (GIB1 à 40 cm de profondeur, 1 510 ± 30 années cal. BP (calibrated before present), Millettia drastica et Pterocarpus soyauxii sous forêt clairsemée à Marantaceae (F9 à 40 cm, 1 200 ± 30 cal. BP). Notre hypothèse est que les peuplements monodominants à G. dewevrei sont relativement stables. Quant à P. soyauxii, la proportion de cette espèce héliophile semble décroître au cours du temps (niveaux entre 20 et 40 cm) au profit desMarantaceae. Un autre résultat porte sur l’absence de Triplochiton scleroxylon sous T. scleroxylon, ce qui pourrait confirmer l’hypothèse du caractère récent de ces peuplements. Les résultats portant sur la relation entre anatomie du bois et traits fonctionnels restant préliminaires, cette recherche sera poursuivie en thèse de doctorat. Les développements actuels de l’anthracologie pour l’Afrique tropicale permettent désormais d’envisager un plus grand nombre d’identifications par échantillon et ainsi une meilleure connaissance de l’évolution des forêts tropicales. [less ▲]

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See detailAnalysis of synthetic canine training aids GCxGC-TOFMS
Stadler; Forbes; Focant, Jean-François ULg

Conference (2012, January)

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See detailThe adapted augmented Lagrangian method: a new method for the resolution of the mechanical frictional contact problem
Bussetta, Philippe ULg; Daniel, Marceau; Ponthot, Jean-Philippe ULg

in Computational Mechanics (2012), 49(2), 259-275

The aim of this work is to propose a new numerical method for solving the mechanical frictional contact problem in the general case of multi-bodies in a three dimensional space. This method is called ... [more ▼]

The aim of this work is to propose a new numerical method for solving the mechanical frictional contact problem in the general case of multi-bodies in a three dimensional space. This method is called adapted augmented Lagrangian method (AALM) and can be used in a multi-physical context (like thermo-electro-mechanical fields problems). This paper presents this new method and its advantages over other classical methods such as penalty method (PM), adapted penalty method (APM) and, augmented Lagrangian method (ALM). In addition, the efficiency and the reliability of the AALM are proved with some academic problems and an industrial thermo-electromechanical problem. [less ▲]

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See detailL’ordinateur : outil, tiers ou écran ?
Vanmeerbeek, Marc ULg; Benrubi, Miguelle ULg; Froidcoeur, Xavier et al

in Santé Conjuguée (2012), 58

Les professionnels ont des perceptions variées de l’ordinateur qui trône sur leur bureau : « outil » parmi d’autres, « intrus » dans la relation, « tiers » créant une place nouvelle dans cette relation ... [more ▼]

Les professionnels ont des perceptions variées de l’ordinateur qui trône sur leur bureau : « outil » parmi d’autres, « intrus » dans la relation, « tiers » créant une place nouvelle dans cette relation. Propos de Marc Van Meerbeek, Miguelle Benrubi, Xavier Froidecoeur, Baudouin Denis, médecins en maison médicale. [less ▲]

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See detailLa nécessité d'un inventaire du patrimoine culturel immatériel
Lempereur, Françoise ULg

in Géants d'ici et d'ailleurs (2012, January), (6-7), 24-30

Destinée essentiellement aux institutions et groupements qui ont en charge la sauvegarde du patrimoine culturel immatériel, cette présentation rapide justifie l'inventorisation de ce patrimoine, en ... [more ▼]

Destinée essentiellement aux institutions et groupements qui ont en charge la sauvegarde du patrimoine culturel immatériel, cette présentation rapide justifie l'inventorisation de ce patrimoine, en définit les responsabilités et propose une méthodologie de collectage et de mise à disposition publique des contenus [less ▲]

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See detailTitan airglow: FUV and EUV 2009 UVIS spectra of airglow during day, night and eclipse
Ajello, J.M.; Stevens, M.; West, R. et al

Conference (2012, January)

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See detailLife-cycle assessment of residential buildings in three different European locations, basic tool
Rossi, Barbara ULg; Marique, Anne-Françoise ULg; Glaumann, Mauritz et al

in Building & Environment (2012), 51

The paper deals with the development of a tool used for the life cycle assessment of residential buildings located in three different European towns: Brussels (Belgium), Coimbra (Portugal) and Luleå ... [more ▼]

The paper deals with the development of a tool used for the life cycle assessment of residential buildings located in three different European towns: Brussels (Belgium), Coimbra (Portugal) and Luleå (Sweden). The basic tool focuses on the structure and the materials of the buildings and permits the evaluation of the Embodied energy, Embodied carbon and yearly energy consumption. For that purpose, a different set of original data is taken into account for each location, in which the monthly temperatures, energy mix, heating and cooling systems are defined. The energy consumption, being for heating space or water, for cooling or for lighting is transformed into CO2 emissions to deduce the Operational carbon as well. The influence of the energy mix can therefore be assessed in the basic tool. As a matter of fact, the heating and cooling systems habitually used in the three countries are also of great importance. The District Heating system, is, for instance, incorporated in the basic tool. The presence of solar water heater or photovoltaic panels is also strongly influencing the operational carbon. After a short literature review on building LCA and the description of the basic tool, the software Pleiades+Comfie combined with Equer is used to achieve the complete LCA for one building using two different load bearing frames. The results of the calculations for Brussels climate are verified against these software results. The dependence of the results to parameters such as climate, energy mix and habits is then discussed in the companion paper. [less ▲]

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See detailRelease and Innate detection of host cell DNA mediates the adjuvant effects of aluminum salts on adaptive responses
Marichal, Thomas ULg; Ohata, Keichii; Bedoret, Denis et al

in Proceedings of the 1St Winter School Immunology (2012, January)

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See detailHBV infection in Belgium: results of the BASL observatory of 1456 HBsAg carriers.
Deltenre, P.; Laleman, W.; Van Gossum, M. et al

in Acta Gastro-Enterologica Belgica (2012), 75(1), 35-41

Introduction : Nationwide studies are mandatory to assess changes in the epidemiology of HBV infection in Europe. Aim : To describe epidemiological characteristics of HBsAgpositive patients, especially ... [more ▼]

Introduction : Nationwide studies are mandatory to assess changes in the epidemiology of HBV infection in Europe. Aim : To describe epidemiological characteristics of HBsAgpositive patients, especially inactive carriers, and to evaluate how practitioners manage HBV patients in real life. Methods : Belgian physicians were asked to report all chronically infected HBV patients during a one-year period. Results : Among 1,456 patients included, 1,035 (71%) were classified into one of four phases of chronic infection : immune tolerance (n = 10), HBeAg-positive hepatitis (n = 248), HBeAgnegative hepatitis (n = 420) and inactive carrier state (n = 357 HBeAg-negative patients with ALT < upper limit of normal (ULN) and HBV DNA < 2,000 IU/mL). Using less restrictive criteria for ALT (1-2 ULN) or HBV DNA (2,000-20,000 IU/mL), 93 unclassified patients were added to the group of inactive carriers. These 93 additional inactive carriers were younger, more frequently males, with similar risk factors for HBV infection and histological features compared to inactive carriers according to recent guidelines. Recent guidelines on management of HBV patients were generally followed, but systematic HBV DNA measurements and HDV coinfection screening should be reinforced. Conclusion : In Belgium, an inactive carrier state was a common form of chronic HBV infection. Using less restrictive criteria for classification of inactive carriers did not modify their main characteristics and seemed better adapted to clinical practice. Recent guidelines on management of HBV patients should be reinforced. [less ▲]

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See detailThe CphAII protein from Aquifex aeolicus exhibits a metal-dependent phosphodiesterase activity
Kupper, Michaël; Bauvois, Cédric; Frère, Jean-Marie ULg et al

in Extremophiles : Life Under Extreme Conditions (2012), 16(1)

The CphAII protein from the hyperthermophile Aquifex aeolicus shows the five conserved motifs of the metallo-β-lactamase (MBL) superfamily and presents 28% identity with the Aeromonas hydrophila subclass ... [more ▼]

The CphAII protein from the hyperthermophile Aquifex aeolicus shows the five conserved motifs of the metallo-β-lactamase (MBL) superfamily and presents 28% identity with the Aeromonas hydrophila subclass B2 CphA MBL. The gene encoding CphAII was amplified by PCR from the A. aeolicus genomic DNA and overexpressed in Escherichia coli using a pLex-based expression system. The recombinant CphAII protein was purified by a combination of heating (to denature E. coli proteins) and two steps of immobilized metal affinity chromatography. The purified enzyme preparation did not exhibit a β-lactamase activity but showed a metal-dependent phosphodiesterase activity versus bis-p-nitrophenyl phosphate and thymidine 5'-monophosphate p-nitrophenyl ester, with an optimum at 85°C. The circular dichroism spectrum was in agreement with the percentage of secondary structures characteristic of the MBL αββα fold. [less ▲]

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See detailPersonality modulation of (un)conscious processing: Novelty seeking and performance following supraliminal and subliminal reward cues
Bustin, Gaëlle ULg; Quoidbach, Jordi; Hansenne, Michel ULg et al

Poster (2012, January)

This study provides evidence that personality traits associated with responsiveness to conscious reward cues also influence responsiveness to unconscious reward cues. Participants with low and high levels ... [more ▼]

This study provides evidence that personality traits associated with responsiveness to conscious reward cues also influence responsiveness to unconscious reward cues. Participants with low and high levels of Novelty Seeking (NS) performed updating tasks in which they could either gain 1 euro or 5 cents. Gains were presented either supraliminally or subliminally at the beginning of each trial. Results showed that low NS participants performed better in the high-reward than in the low-reward condition, whereas high NS participants’ performance did not differ between reward conditions. Interestingly, we found that low NS participants performed significantly better when rewards were presented unconsciously, whereas high NS participants’ performance did not differ whether reward cues were presented subliminally or supraliminally. Our findings highlight the necessity to take personality into account in unconscious cognition research. They also suggest that whether implicit and explicit motives have similar or complementary influences might be determined by individual differences. [less ▲]

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See detailInternet-Based Investing at the Edge of Chaos
Choffray, Jean-Marie ULg

E-print/Working paper (2012)

This paper presents a simple, seven-step approach, to surviving on World Street: an investment environment characterized by high frequency trading system; over leveraged shadow entities and hedge funds ... [more ▼]

This paper presents a simple, seven-step approach, to surviving on World Street: an investment environment characterized by high frequency trading system; over leveraged shadow entities and hedge funds; flash crashes, incompetent management, reverse merger frauds, dot bubble 2.0 IPOs and stealth central banks’ actions. Its goal is to help you design efficient investment strategies while protecting your assets. It is based on a personal research conducted over the last ten years, involving hundreds of observations, investment simulations and actual decisions. [less ▲]

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See detailSystemisch-entzuendliche Reaktion beim Hochleistungssportpferd
Sandersen, Charlotte ULg; Lejeune, Jean-Philippe ULg; Votion, Dominique ULg et al

Book published by Leipziger Blaue Hefte (2012)

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See detailUnsteady Navier-Stokes simulation of low-Reynolds stall flutter
Yabili, Sacha ULg; Smith, Marilyn; Dimitriadis, Grigorios ULg

in Proceedings of the 50th AIAA Aerospace Sciences Meeting (2012, January)

A solver has been developed within the OpenFoam framework to compute large amplitude motion of two-dimensional rigid configurations. The results obtained with this code were successfully validated on ... [more ▼]

A solver has been developed within the OpenFoam framework to compute large amplitude motion of two-dimensional rigid configurations. The results obtained with this code were successfully validated on rigid airfoils at static and dynamic conditions, as well as correlated with experimental data and numerical solutions from similar unsteady solvers. The results demonstrate that current computational methods are, within the constraints imposed by spatial grids, temporal integration and turbulence modeling, capable of capturing the self-sustained oscillations characterizing stall flutter event with reasonable accuracy, including the mechanisms of energy transfer. [less ▲]

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See detailMadeleine Bourdouxhe, la pudeur et l'ellipse
Demoulin, Laurent ULg

in Kovacshazy, Cécile (Ed.) Relire Madeleine Bourdouxhe. Regards croisés sur son oeuvre littéraire (2012)

La modernité de Madeleine Bourdouxhe passe par des figures de la narration, comme la métalipse et ce que l'on se propose d'appeler ici "figure Stendhal" et "figure Flaubert".

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See detailPlurilinguismes à la Renaissance italienne
Moreno, Paola ULg

in Culture, le Magazine Culturel de l'Université de Liège (2012)

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