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See detailEvaluation de projets d’investissement en utilisant la simulation de Monte Carlo
BELAID, Fateh; de Wolf, Daniel ULg

Conference (2009, February 10)

L’exploration et le développement d’un champ pétrolier font face à de nom- breuses incertitudes liées aux rendements et aux coûts tout au long du cycle de vie du pro jet. A titre d’exemple les ... [more ▼]

L’exploration et le développement d’un champ pétrolier font face à de nom- breuses incertitudes liées aux rendements et aux coûts tout au long du cycle de vie du pro jet. A titre d’exemple les réserves, les investissements, les coûts opératoires, la production et le prix du pétrole sont souvent incertains. En conséquence, Il difficile de prévoir les cash-flows même pour les pro jets pétroliers les plus simples. Différentes méthodes sont disponibles pour aider les décideurs à évaluer les incertitudes, et réduire le risque des opportunités d’investissement en amont pétrolier. La simulation a été reconnue comme un outil d’analyse de risque et de prise de décision en évaluation de pro jets d’investissement en amont pétrolier au début des années 60. Aujourd’hui pra- tiquement toutes les grandes compagnies pétrolières ont incorporé la simulation dans leurs études de pro jets. Dans cet article, nous essayons d’expliquer les critères d’évalua- tion et d’analyse du risque de pro jets d’investissement en amont pétrolier basés sur les cash-flows et de montrer comment la simulation de Monte Carlo peut être utile dans ce cadre. [less ▲]

Detailed reference viewed: 205 (11 ULg)
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See detailComparaison avec les autres méthodes de mesure (au cabinet, MAPA)
Krzesinski, Jean-Marie ULg

Conference (2009, February 07)

Detailed reference viewed: 7 (1 ULg)
See detailContrast agents and renal protection : fact or fiction?
Krzesinski, Jean-Marie ULg

Conference (2009, February 07)

Detailed reference viewed: 6 (1 ULg)
Full Text
See detailOptimal Design and Dimensioning of Hydrogen Transmission Distribution Pipeline Networks
Andre, Jean; BRAC, Jean; de Wolf, Daniel ULg et al

Conference (2009, February 05)

This work considers the problem of the optimal design of an hydrogen transmission network. This design problem includes the topology determi- nation and the dimensioning problem. We define a solution ... [more ▼]

This work considers the problem of the optimal design of an hydrogen transmission network. This design problem includes the topology determi- nation and the dimensioning problem. We define a solution method that simultaneously looks for the least cost topology of the network and for the optimal diameter of each pipe. These two problems were generally solved separately these last years. The application to the case of development of future hydrogen pipeline networks in France has been conducted on several urban areas. [less ▲]

Detailed reference viewed: 86 (9 ULg)
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See detailUsing OR techniques for projets selection in the petrol industy
BELAID, Fateh; de Wolf, Daniel ULg

Conference (2009, February 05)

Two important characteristics of petroleum exploration and production investment are the high nancial amounts and uncertainties. For these rea- sons, the risk analysis should be implemented in the ... [more ▼]

Two important characteristics of petroleum exploration and production investment are the high nancial amounts and uncertainties. For these rea- sons, the risk analysis should be implemented in the projects evaluation and the selection process. Depending on their available resources, petroleum companies choose a number of projects on the basis of some criteria: the net present value, internal rate of return, pro tability index However, these criteria appear to be insu cient if we consider, on the one hand, the ab- sence of risk idea which is an essential element of the petroleum industry, on the other hand the omission of the correlations and interactions between di erent projects. In this paper, in order to make up for the lacks of the traditional approach, we apply a variant of Markowitzs method to deter- mine the e cient portfolio exploration and production projects that insure the best compromise minimum risk-maximum return under the di erent constraints faced by the company. A practical application of this method about selection of petroleum exploration projects in the North Sea is pre- sented. This practical case illustrates the in uence of the crude price in the choice of the portfolio. [less ▲]

Detailed reference viewed: 39 (4 ULg)
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See detailLa traduction dans la jurisprudence communautaire : entre non-discrimination et sécurité juridique
Sibony, Anne-Lise ULg; de Sadeleer, Nicolas

Conference (2009, February 03)

Detailed reference viewed: 60 (7 ULg)
Peer Reviewed
See detailLes canaux potassiques ATP-dépendants : nouvelles cibles potentielles pour le traitement de divers troubles métaboliques
Florence, X.; De Tullio, Pascal ULg; Lebrun, Ph. et al

Conference (2009, February 03)

Detailed reference viewed: 9 (0 ULg)
Peer Reviewed
See detailRIO en France
Pirenne, Christophe ULg

Conference (2009, February 02)

Detailed reference viewed: 9 (2 ULg)
See detailIron production in the region of Liège in the Middle Age: Contribution of slag inclusions analyses
Mertens, Anne ULg; Mathis, François ULg; DILLMANN, Philiippe et al

Conference (2009, February)

Detailed reference viewed: 36 (7 ULg)
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See detailThe Beta Cephei star HD 180642: Full integration of CoRoT and ground data for mode identification
Briquet, Maryline ULg

Conference (2009, February)

The B1.5 II-III star HD 180642 is the only known Beta Cephei star in CoRoT’s core programme. To complement the space data of this target, both ground-based photometric and spectroscopic data were ... [more ▼]

The B1.5 II-III star HD 180642 is the only known Beta Cephei star in CoRoT’s core programme. To complement the space data of this target, both ground-based photometric and spectroscopic data were collected, to which we added several archival observations. In this talk, we describe our results from a full integration of CoRoT and intensive ground-based observations. The star is a non-linear dominant radial mode pulsator for which low-amplitude modes are detected for the fi rst time. A few of the latter are observed in our ground-based datasets so that a mode identifi cation for them is possible. To this end state-of-the-art techniques are adapted to be applied to a star with a highly non-linear behaviour of the radial mode. Additionally, a careful interpretation of the CoRoT lightcurve helps to identify the wavenumbers. Besides this outcome, the Van Hoof effect for the dominant mode is investigated and the stellar parameters and chemical abundances are determined. All this information is to be used as additional constraints to the CoRoT pulsation frequencies, for asteroseismic modelling of this Beta Cephei star. Additional abstracts cover the lightcurve modelling of this pulsator (Degroote et al.) as well as seismic modelling (Thoul et al.). [less ▲]

Detailed reference viewed: 9 (2 ULg)
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See detailActualités en fiscalité européenne
Richelle, Isabelle ULg

Conference (2009, February)

Detailed reference viewed: 22 (7 ULg)
See detailAssessing the World Ocean ventilation timescales with simple analogs - the leaky funnel model
Mouchet, Anne ULg; Deleersnijder, Eric

Conference (2009, February)

Detailed reference viewed: 5 (0 ULg)
Peer Reviewed
See detailThe adaptive efficiency of planning systems: an international comparison
Halleux, Jean-Marie ULg; Marcinzak, S.; van der Krabben

Conference (2009, February)

Detailed reference viewed: 17 (1 ULg)
See detailGestion du contrôle de qualité interne
Denooz, Raphael ULg; Pirson, Laurence ULg

Conference (2009, February)

Detailed reference viewed: 24 (4 ULg)
See detailNew data on the palaeobiogeography of Toarcian (Lower Jurassic) ichthyosaurs
Fischer, Valentin ULg; Guiomar, Myette; Godefroit, Pascal

Conference (2009, February)

The Vocontian Basin of SE France was formed along the northwestern border of Tethys during Mesozoic times. Mainly known for its rich ammonite fauna, this basin has also yielded Jurassic and Cretaceous ... [more ▼]

The Vocontian Basin of SE France was formed along the northwestern border of Tethys during Mesozoic times. Mainly known for its rich ammonite fauna, this basin has also yielded Jurassic and Cretaceous ichthyosaur fossils. The specimens discussed here were discovered in lower Toarcian limestone and marl successions in the vicinity of Digne-les-Bains, High-Provence Alps. One of best-preserved specimens is identified as Suevoleviathan sp., a relatively rare genus previously reported only in the German basins. The specimen is fairly complete but crushed and embedded in limestone from the Falciferum ammonite zone. Because the skull is too damaged to see bone sutures, assignation to this genus is mostly based on fin and coracoid morphology. Along with this specimen, a premaxilla and paddle elements of Eurhinosaurus longirostris and possible Stenopterygiidae centra were found in nearby black marls of the Exaratum ammonite subzone (Falciferum zone, Lower Toarcian; see Floquet et al., 2003 for a detailed stratigraphy). These soft marls were deposited in anoxic waters and are coeval with the Posidonia shales of southwest Germany, the Jet rock formation of northeast England and Grandcourt shales of Luxembourg, which allows faunal comparisons between these basins. The localities from the Vocontian Basin are closer to the Tethys than other sites where Toarcian identifiable ichthyosaurs have been found in Europe. Nevertheless all identifiable specimens from the Vocontian Basin are also identified in other basins across Europe. It suggests that Toarcian ichthyosaurs had wide palaeogeographical distributions and were highly mobile swimmers, perfectly adapted to open marine environments. [less ▲]

Detailed reference viewed: 130 (14 ULg)
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See detailMicroarrays for allergy
Gadisseur, Romy ULg; Cavalier, Etienne ULg

Conference (2009, January 30)

Detailed reference viewed: 27 (0 ULg)
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See detailCastors, ouvriers et conscrits. Politique d'Illuminations
Saint-Amand, Denis ULg

Conference (2009, January 30)

Detailed reference viewed: 3 (1 ULg)
See detailApplication of Metabolomic Approaches to the Age-related Macular Degeneration (AMD)
De Tullio, Pascal ULg

Conference (2009, January 30)

Detailed reference viewed: 18 (1 ULg)
Peer Reviewed
See detailLa commercialisation d’un ouvrage
Kohl, Benoît ULg

Conference (2009, January 29)

Detailed reference viewed: 2 (0 ULg)
See detailMétabolomique - Identification de métabolites (biomarqueurs) par RMN 2D et LC-NMR
Frederich, Michel ULg

Conference (2009, January 28)

Detailed reference viewed: 37 (8 ULg)
See detailPepLook Scale-Up: Prediction of protein structures
Crowet, Jean-Marc ULg; Brasseur, Robert ULg; Lins, Laurence ULg

Conference (2009, January 27)

Detailed reference viewed: 12 (2 ULg)
Peer Reviewed
See detailInternational Foundation for Research in Paraplegia
Martin, Didier ULg

Conference (2009, January 27)

Detailed reference viewed: 3 (0 ULg)
Peer Reviewed
See detailBeyond the doors of perception
Laroi, Frank ULg; Raballo, Andrea

Conference (2009, January 26)

Detailed reference viewed: 3 (0 ULg)
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Peer Reviewed
See detailA Distributed Lattice Boltzmann-based Flow Simulator
Dethier, Gérard ULg

Conference (2009, January 22)

The use of Lattice Boltzmann (LB) methods is interesting to describe flows through complex geometries encountered in Chemical Engineering (porous media, packed beds, multi phase flows). However, flow ... [more ▼]

The use of Lattice Boltzmann (LB) methods is interesting to describe flows through complex geometries encountered in Chemical Engineering (porous media, packed beds, multi phase flows). However, flow simulations based on LB methods can require big amounts of memory. It is not always possible to run a simulation on a single machine. Distributed computing is a solution to this problem and also accelerates the execution of the flow simulation. In the context of dynamic heterogeneous clusters, the available machines can have different computational powers. The computational power of each machine can vary during a flow simulation (because of background load). Also, the number of available machines can change. These characteristics impose the use of special technics. Dynamic Load Balancing allows the optimal use of available machines. A fault occurs when one or several machines interrupt the execution of the distributed software component they were executing. Checkpointing makes the system fault tolerant. In order to obtain a scalable software and to suppress single points of failure, a special effort is made to decentralize as much as possible the software components of the simulator. Currently, fluid flows of 400³ points (more than 9 GBytes of data) are simulated using an heterogeneous cluster of 54 machines. [less ▲]

Detailed reference viewed: 131 (28 ULg)
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See detailThe EU Dual-Use Export Control Regime: End-Use and End User Provisions
Michel, Quentin ULg

Conference (2009, January 21)

Detailed reference viewed: 48 (3 ULg)
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Peer Reviewed
See detailL’appropriation par des futurs formateurs d’enseignants d’une démarche d’accompagnement réflexif : Analyse critique des critères d’évaluation.
Beckers, Jacqueline ULg; Van der Linden, Sylvie ULg

Conference (2009, January 21)

Cette communication portera sur une approche évaluative du développement professionnel de futurs formateurs d’enseignants (FF). Dans le cadre d’un module de formation du master en Sciences de l’Education ... [more ▼]

Cette communication portera sur une approche évaluative du développement professionnel de futurs formateurs d’enseignants (FF). Dans le cadre d’un module de formation du master en Sciences de l’Education de l’université de Liège (ULg – Belgique), ceux-ci sont préparés à accompagner professionnellement de futurs enseignants (FE) selon une démarche de « supervision réflexive » (Beckers, 2007) inspirée des travaux de Schön (1983) et de Vermersch (1994, 2004) et complétée par l’apport de la didactique professionnelle (Pastré 2005, 2008 ). Il s’agit à la fois de maximiser les occasions pour le FE de prendre conscience de son modèle opératif en situation professionnelle et d’augmenter l’adéquation de son action par meilleure appréhension de la structure conceptuelle de ces situations en regard des buts prioritaires du métier. Cette compétence est à la fois travaillée à l’ULg (en séances collectives, individuelles et en petits groupes) et sur le terrain où les FF accompagnent les FE en stage (cette année, en classes préscolaires). Le travail théorique et pratique de la démarche de supervision réflexive avec les futurs formateurs a débouché sur la clarification de critères de qualité de l’accompagnement visé. Ceux-ci sont appliqués par les formateurs ULg aux données brutes de l’ accompagnement mené par chaque FF (traces retranscrites des entretiens de régulation et rédaction du carnet de bord). Ils sont également utilisés en auto-évaluation par les FF à propos de leur accompagnement. Cette double démarche d’évaluation (hétéro-évaluation et auto-évaluation) alimente une partie de la séance de « confrontation herméneutique » qui réunit chaque FF et les deux formateurs ULg après lecture par ceux-ci de tous les documents (données brutes et rapports). Cette partie du travail permet d’approcher le degré d’appropriation de la compétence d’accompagnement par le FF (genèse instrumentale et conceptuelle – Pastré, 2005). Chaque FF produit également un rapport qui porte sur l’analyse de l’accompagnement qu’il a mené, en interaction avec les caractéristiques contextuelles, et sur l’évolution qu’il a pu observer chez son compagnon FE du point du développement de ses compétences professionnelles et de sa construction identitaire. La discussion de ces analyses alimente la deuxième partie de la « confrontation herméneutique » ; elle permet d’approcher davantage une éventuelle genèse identitaire (Pastré, 2005). L’analyse critique de ces multiples sources d’information et la triangulation des données alimentera la réflexion sur la pertinence des outils et des démarches d’évaluation de ces processus complexes que sont le développement des compétences et de l’identité professionnelles. [less ▲]

Detailed reference viewed: 170 (10 ULg)
See detailNanostructured carbons as supports for catalysts and electrocatalysts
Job, Nathalie ULg

Conference (2009, January 20)

Detailed reference viewed: 5 (0 ULg)
See detailOur present understanding of Lake Kivu ecology
Darchambeau, François ULg; Sarmento, Hugo; Isumbisho, Mwapu et al

Conference (2009, January 19)

Detailed reference viewed: 3 (2 ULg)
See detailEcological modeling of the upper layers of Lake Kivu: a progress report
Leblanc, Christophe; Darchambeau, François ULg; Descy, Jean-Pierre et al

Conference (2009, January 19)

Detailed reference viewed: 2 (0 ULg)
See detailCarbon cycling in the mixolimnion of Lake Kivu : results from the CAKI project
Borges, Alberto ULg; Descy, Jean-Pierre; Delille, Bruno ULg et al

Conference (2009, January 19)

Detailed reference viewed: 9 (0 ULg)
See detailUsage et contexte chez Heidegger et Wittgenstein
Gauvry, Charlotte ULg

Conference (2009, January 17)

Detailed reference viewed: 9 (0 ULg)
Peer Reviewed
See detailFunctional neuroimaging of semantic and episodic forms of self-knowledge
D'Argembeau, Arnaud ULg

Conference (2009, January 15)

Detailed reference viewed: 14 (1 ULg)
Full Text
See detailNew cycles found in air temperature data and proxy series using the Morlet wavelet method
Nicolay, Samuel ULg; Mabille, Georges ULg; Fettweis, Xavier ULg et al

Conference (2009, January 13)

We use the wavelet transform to detect cycles in air temperature data and proxy series

Detailed reference viewed: 9 (3 ULg)
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See detailSplit rank of triange and quadrilateral inequalities
Louveaux, Quentin ULg

Conference (2009, January)

A simple relaxation consisting of two rows of a simplex tableau is a mixed-integer set with two equations, two free integer variables, and nonnegative continuous variables. Recently, Andersen et al. and ... [more ▼]

A simple relaxation consisting of two rows of a simplex tableau is a mixed-integer set with two equations, two free integer variables, and nonnegative continuous variables. Recently, Andersen et al. and Cornuéjols and Margot showed that the facet- defining inequalities of this set are either split cuts or intersection cuts obtained from lattice-free triangles and quadrilaterals. From an example given by Cook, Kannan and Schrijver it is known that one particular class of facet-defining triangle inequality does not have finite split rank. In this talk we show that all other facet-defining triangle and quadrilateral inequalities have finite split rank. [less ▲]

Detailed reference viewed: 15 (0 ULg)
See detailLes Partenariats public-privé dans la jurisprudence de la Cour de Justice
Durviaux, Ann-Lawrence ULg

Conference (2009, January)

Detailed reference viewed: 29 (10 ULg)
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See detailGCxGC-TOFMS for metabolomic profiling
Focant, Jean-François ULg; De Pauw, Edwin ULg

Conference (2009, January)

Detailed reference viewed: 6 (1 ULg)
See detailDeriving Risk Appetite and translating it into a meaningful set of limits
Hübner, Georges ULg; Nord, Andrew; Smith, Brian

Conference (2009, January)

Detailed reference viewed: 53 (11 ULg)
Peer Reviewed
See detailL'identité discursive du physiologiste
Stienon, Valérie ULg

Conference (2009, January)

Detailed reference viewed: 5 (0 ULg)
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See detailMacrophyte biological index for rivers (MBIR) application for an ecological assessment of walloon rivers, prelilminary investigations.
Sossey Alaoui, Khadija ULg; Galoux, D.; Rosillon, Françis ULg

Conference (2009)

Samples were collected from 45 sites along the Walloon river network in 2007, in accordance with the Water Framework Directive (WFD, European Union, 2000), used to define the overall ecological status of ... [more ▼]

Samples were collected from 45 sites along the Walloon river network in 2007, in accordance with the Water Framework Directive (WFD, European Union, 2000), used to define the overall ecological status of rivers. Within each collected sample, macrophyte data were gathered at species level and the main water quality parameters were analyzed. This involved the use of two approaches: firstly, methods of ordination and classification (Principal Component Analysis and Multiple Factorial Analysis) and secondly, aquatic macrophyte community indexes. The Macrophyte Biological Index for Rivers (MBIR) was used to define the ecological status of the macrophyte community in response to eutrophication pressure. Four trophic qualities were detected in all the monitored stations: 56% of the sites showed a good trophic quality, with the Ardennes region in the leading position and only 2% of the sites showed a poor trophic quality. A Multiple Factorial Analysis (MFA) made it possible to regroup the species according to their ecological affinities and to specify their indicator values in relation to some abiotic parameters. As a result, a rivers typology was outlined based on this analysis. The dendrogram of the Hierarchical Cluster Analysis (HCA) gave three clusters determined by active variables of each compartment that defined functional parts of the Walloon network: Chiloscyphus polyanthos (L.) Corda, Rhynchostegium riparioides(Hedw.)C.Jens., Fontinalis squamosa(Hedw) and Ranunculus penicillatus (Dum.)Bb. showed an oligotrophic status and low mineralization in the Ardennes (GI), while P. pectinatus(Linne), Cladophora glomerata(Linnaeus)proved to be found more often in eutrophicated waters in the Region limoneuse (GIII). Pellia endvifolia (Dicks.)Dum, Fissidens crassipes(Br.Eur);Cinclidotus riparius (Web. & Mohr.) appeared in the Condroz and Famenne, rivers characterized by a high concentration of nitrogen (N-35. NO3-) (GII). [less ▲]

Detailed reference viewed: 179 (9 ULg)
See detailDetection et analyse des patines intentionelles des bronzes antiques : apport des IBA en faisceau extrait
Mathis, François ULg; Salomon, Joseph; Pichon, Laurent et al

Conference (2009)

Detailed reference viewed: 10 (0 ULg)
Peer Reviewed
See detailHyperfine Structure and Isotope Shifts in Iron Atoms
Krins, Stéphanie ULg; Oppel, S.; Huet, Nicolas ULg et al

Conference (2009)

Detailed reference viewed: 27 (4 ULg)
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See detailResemantisation in varieties of Dutch
De Vos, Lien ULg

Conference (2009)

Detailed reference viewed: 24 (1 ULg)
Full Text
Peer Reviewed
See detailA coupled two-scale computational approach for quasi-brittle out-of-plane structural failure
Mercatoris, Benoît ULg; Massart, Thierry J.

Conference (2009)

Detailed reference viewed: 5 (0 ULg)
Peer Reviewed
See detailElectrical resistivyt tomography as tool to image preferential flow pathways in soils
Kasteel, Roy; Garré, Sarah ULg; Koestel, Johannes et al

Conference (2009)

Detailed reference viewed: 12 (2 ULg)
See detailVanadium oxide-based mesoporous films as positive electrode material in Li-ion batteries
Krins, Natacha ULg; Caes, Sébastien ULg; Arrebola, José-Carlos et al

Conference (2009)

Detailed reference viewed: 2 (0 ULg)
See detailDroits d'enregistrement et TVA
Bourgeois, Marc ULg

Conference (2009)

Detailed reference viewed: 4 (0 ULg)
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Peer Reviewed
See detailConstraint Based Learning of Mixtures of Trees
Schnitzler, François ULg; Wehenkel, Louis ULg

Conference (2009)

Mixtures of trees can be used to model any multivariate distributions. In this work the possibility to learn these models from data by causal learning is explored. The algorithm developed aims at ... [more ▼]

Mixtures of trees can be used to model any multivariate distributions. In this work the possibility to learn these models from data by causal learning is explored. The algorithm developed aims at approximating all first order relationships between pairs of variables by a mixture of a given size. This approach is evaluated based on synthetic data, and seems promising. [less ▲]

Detailed reference viewed: 31 (7 ULg)
Peer Reviewed
See detailAgroecology and the emergence of "Publics"
Stassart, Pierre M ULg

Conference (2009)

Detailed reference viewed: 17 (1 ULg)
See detailDette d'extinction dans un hotspot de biodiversité: approches communauté et espèces
Piqueray, Julien ULg; Bisteau, Emmanuelle; Cristofoli, Sara et al

Conference (2009)

Detailed reference viewed: 74 (6 ULg)
See detailTerritory knowledge (B1pc) - Discussion report
Breuer, Christophe ULg

Conference (2009)

Detailed reference viewed: 15 (0 ULg)
Peer Reviewed
See detailSiGe tunnel field effect transistors: challenges for selective epitaxial growth
Loo, Roger; Iacopi, Francesca; Vanherle, Wendy et al

Conference (2009)

Detailed reference viewed: 24 (2 ULg)
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Peer Reviewed
See detail200mm Si/SiGe Resonant Interband Tunneling Diodes Incorporating δ-Doping Layers Grown by CVD
Park, Si-Young; Anisha, Ramesh; Berger, Paul et al

Conference (2009)

Detailed reference viewed: 15 (1 ULg)
See detailTransformation identitaires en cours de formation initiale des enseignants: axes d'une grille de réflexivité sur le métier
Dejean, Karine ULg

Conference (2009)

Cette communication porte sur l’analyse des transformations identitaires exprimées dans les discours des enseignants en formation initiale. Cette analyse nous a permis de dégager des axes de ... [more ▼]

Cette communication porte sur l’analyse des transformations identitaires exprimées dans les discours des enseignants en formation initiale. Cette analyse nous a permis de dégager des axes de transformation qui pourront servir d’outils dans le cadre de séances de réflexivité collective et individuelle avec les futurs enseignants en leur offrant des éléments d’intelligibilité pour les aider à se situer par rapport à leur propre parcours de développement et par rapport aux différentes attentes institutionnelles à leur égard. [less ▲]

Detailed reference viewed: 18 (1 ULg)
See detailQuelle politique fisale internationale pour la Belgique?
Bourgeois, Marc ULg

Conference (2009)

Detailed reference viewed: 3 (0 ULg)
Peer Reviewed
See detailSi$_1-x$Ge$_x$ growth using Si$_3$H$_8$ by low temperature chemical vapor deposition
Takeuchi, Shotaro; Nguyen, Ngoc Duy ULg; Goossens, Jozefien et al

Conference (2009)

Detailed reference viewed: 7 (2 ULg)
Full Text
Peer Reviewed
See detailA coupled two-scale computational approach for quasi-brittle out-of-plane structural failure
Mercatoris, Benoît ULg; Massart, Thierry J.

Conference (2009)

Detailed reference viewed: 11 (0 ULg)
Peer Reviewed
See detailEco-éthologie de la population de bonobos récemment découverte dans l’ouest de la République Démographique du Congo
Serckx, Adeline ULg; Huynen, Marie-Claude ULg; Beudels-Jamar, Roseline

Conference (2009)

The bonobo, Pan paniscus, an endemic primate of the DRC, forms with the chimpanzee, Pan troglodytes, the pair of species closest to humans. Classified as “Endangered” by the IUCN, it’s seriously ... [more ▼]

The bonobo, Pan paniscus, an endemic primate of the DRC, forms with the chimpanzee, Pan troglodytes, the pair of species closest to humans. Classified as “Endangered” by the IUCN, it’s seriously threatened by the degradation of the forests. Only the creation of protected areas large enough and properly managed can improve its status but requires a good knowledge of the eco-ethology of the local populations. Our project will focus on studying a bonobo population recently discovered in the region of the Lake Tumba, in the west of the DRC. It is characterized by densities never encountered elsewhere, and a preliminary study has revealed significant differences in habitat and food resources in comparison to these of eastern populations. We will contribute to a recently established WWF conservation program by gathering eco-ethological data on bonobos, data that will allow identifying areas to protect, their boundaries and management measures to implement. To do this, we will study the diet of bonobos via direct and indirect observations of their behavior. We will also study the party size and its composition and identify underlying environmental factors. We will assess the bonobos’ home range size and pattern of displacement, which we will correlate with the abundance of food resources to determine whether there is a pattern of occupation of time and space specific to this population. [less ▲]

Detailed reference viewed: 29 (1 ULg)
See detailShort Course on Methof Validation
Boulanger, Bruno ULg; Hubert, Philippe ULg

Conference (2009)

Detailed reference viewed: 24 (2 ULg)
See detailLes premières traces de vie
Javaux, Emmanuelle ULg

Conference (2009)

Detailed reference viewed: 7 (3 ULg)
Full Text
See detailThe Didam framework Disaggregated demand and assignment models for combined passengers and freight transport
Barthélemy, Johan; Cornelis, Eric; Jourquin, Bart et al

Conference (2009)

The objective of this paper is to present the methodological developments in the DIDAM (Disaggregated demand and assignment models for combined passengers and freight transport) research project, which ... [more ▼]

The objective of this paper is to present the methodological developments in the DIDAM (Disaggregated demand and assignment models for combined passengers and freight transport) research project, which aims at advancing fundamental research in transportation modelling and analysis, using two complementary methodologies. The first is to develop a joint methodological approach for both freight and passenger transport, and the second is to base this common approach on the use of models that are as disaggregate and realistic as possible. Furthermore, the methods will be designed to cope with the important question of competition for infrastructure. The project is mainly organized around two themes. Each of them covers both freight and passengers aspects, in a manner which promotes collaborative work between the partners of the project. The first theme is concerned with disaggregate demand modelling issues, the second deals with innovative aspects of (joint) traffic assignment. Working at a fully disaggregate level is however not always easy. If such models are already available for passenger demand and traffic, disaggregate tools are still largely missing for freight transport. This is not only true at the operational level, but, more crucially, at the conceptual level. This is why our research program adopts, in this domain, a progressive approach that introduces disaggregation gradually into existing methods and models. This entails research in a full spectrum of issues, ranging from concepts definition (who are the actors, how can they be characterized ...) to validation exercises using available data sources [less ▲]

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See detailImpact of Public Market Information System (PMIS) on Farmers Food Marketing Decisions : Case of Benin
Kpènavoun Chogou, Sylvain; Lebailly, Philippe ULg; Adégbidi et al

Conference (2009)

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See detailMarket area of intermodal rail-road container terminals embedded in a hub-and-spoke network
Limbourg, Sabine ULg

Conference (2009)

This paper presents a methodology able to compare road and rail-road intermodal market areas that takes the network structures, the operation costs and the location of the rail-road terminals into account ... [more ▼]

This paper presents a methodology able to compare road and rail-road intermodal market areas that takes the network structures, the operation costs and the location of the rail-road terminals into account.Aparticular way to model rail-road transport on hub-and-spoke networks is outlined and illustrated on the trans-European networks. The market area of an optimal eight hubs network configuration is presented both for the p-hub median and the p-hub centre problem. This is followed by a discussion about the evolution of the market area according to the number and locations of the implemented hubs. [less ▲]

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See detailPlant and their soil environment
Delaplace, Pierre ULg

Conference (2009)

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See detailDebriefing des accidents d'anesthésie
Nyssen, Anne-Sophie ULg

Conference (2009)

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See detailSimplifier les interfaces utilisateurs
Nyssen, Anne-Sophie ULg

Conference (2009)

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See detailSearching for traces of life in ancient stromatolites down to the nanoscale.
Lepot, Kevin ULg; Philippot, Pascal; Benzerara, Karim et al

Conference (2009)

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See detailEmerging Patterns of Depoliticization and Engagement to Inform the Future of Science and Technology Studies: A Case Study in Nanotechnologies
Thoreau, François ULg

Conference (2009)

In this paper, we address the issue of the future of a particular field of research in social science: Science and Technology Studies (STS). Although this is a very young research field, its history is ... [more ▼]

In this paper, we address the issue of the future of a particular field of research in social science: Science and Technology Studies (STS). Although this is a very young research field, its history is already diverse and its evolutions are fastly moving on. Its rapid expansion and its characteristic feature of crossing disciplinary boundaries are making it an interesting case to study, which takes a particular place in the overall history – and future – of social changes. As we shall indicate, STS have an increasing committment for the resolution of sociotechnical controversies. In this paper, we problematise this particular position by underlying the implicit politics of STS research and how they will shape the future of that particular field. Our approach is threefold. First, we give a brief overview of the history of the field and we point out the main evolutions since the developement of the Social Construction of Technology approach (SCOT) in the 1980s that long influenced the field. By doing so, we underline the epistemological critical tradition that gave the field some of its particularities that we address. We show how this tradition brought important insights of “political” nature within the development of the field. Second, our ambition is to highlight new patterns of evolution of the STS field, emphasizing the trends towards both a greater depoliticisation and a more engaged research. By “depoliticisation”, we intend to analyse the dynamics of institutionalisation of the field which adopts resources and tools to legitimate itself among the social scientific community. By “engaged” research, we will explore the evolutions of the STS field as inherently political. The field does have an implicit statement in favor of changing social order and an increasing willingness to actually influence that social change. In that respect, research projects in STS often have underlying politics, as we shall demonstrate. Third, we give a concrete example of these new patterns occuring, relying on the growing importance of nanotechnologies, both in the STS literature and research projects. We consider this case study to be intertwined with the development of STS as a field of research. In that sense, we stress that nanotechnologies happened to be a powerful tool for legitimation for the STS community. Therefore, we — as STS scholars — suggest instrumentalizing the interest we have in nanotechnologies in order to observe the evolutions of our field of research. Then, nanotechnologies will constitute an interesting ground to perform a test that will show depoliticisation and engagement as patterning the STS field. [less ▲]

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See detailWerkt een muzikale opleiding de perceptie van prosodische prominentie in een vreemde taal in de hand?
Degrave, Pauline; Hiligsmann, Philippe; Rasier, Laurent ULg

Conference (2009)

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See detailLocal ionospheric activity – nowcast and forecast services
Stankov, Stanimir; Warnant, René ULg; Stegen, Koen et al

Conference (2009)

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