References of "Paper published in a book"
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See detailNear real-time assessment of the ionospheric effect on navigation based on DGPS corrections
Lejeune, Sandrine; Warnant, René ULg; Barré, Aline et al

in Proceedings of Beacon Satellite Symposium 2004 (2005)

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See detailThe influence of mechanical parameters on tissue differentiation and bone formation around immediately loaded implants in the bone chamber model
Vandamme, Katleen; Duyck, Joke; Geris, Liesbet ULg et al

in Proceedings of the first thematic workshop of the European Society of Biomechanics on Mechanobiology of Cells and Tissue Engineering (2005)

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See detailL’effet de l’environnement familial et de l’engagement parental sur les compétences en lecture : un modèle longitudinal de compréhension
Poncelet, Débora; Schillings, Patricia ULg

in Actes du Xe congrès international de l’Association internationale de formation et de recherche en éducation familiale (AIFREF), Forces et faiblesse de la famille dans une société en mutation (2005)

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See detailCarbon budget of a sugar beet crop
Moureaux, Christine ULg; Vilret, Amélie; Delvoye, Sébastien et al

in Abstracts and proceedings - 68th Congress 2005 (2005)

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See detailAspects sociaux de la cession d'un fonds de commerce
Kefer, Fabienne ULg; Clesse, Jacques ULg; Dumont, Chloé

in La cession de fonds de commerce (2005)

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See detailElastic meson nucleon and nucleon nucleon scattering: Models vs. all available data
Martynov, E.; Cudell, Jean-René ULg; Lengyel, A.

in Nicolescu, B. (Ed.) 11th International Conference On Elastic And Diffractive Scattering: Towards High Energy Frontiers: The 20th Anniversary Of The Blois Workshops (2005)

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See detailPaléoémersions : processus sédimentaires et diagénétiques associés
Loisy, Corinne; Da Silva, Anne-Christine ULg; Toullec, Renaud et al

in 10ème congrès français de sédimentologie - livret des résumés (2005)

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See detailCognitive and emotional antecedents and consequences of achievement goals in 1st year university students
Broonen, Jean-Paul ULg

in Rott, G. (Ed.) Cognition, motivation and emotion : dynamics in the academic environment : Fedora Psyche Conference in Lisbon, 2002 (2005)

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See detailWidth-to-thickness ratios for classification of tubular sections
Zhao, Xiao-Ling; Jaspart, Jean-Pierre ULg

in Proceedings of the 2005 Eurosteel Conference on Steel and Composite Structures (2005)

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See detailPharmacokinetic study of a new testosteron in-Adhesive Matrix patch applied every two days to hypogonadal men
Raynaud, J. P.; Aumonier, C.; Gualano, V. et al

in The Endocrine society ENDO 2005 - Abstract book (2005)

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See detailNumerical simulation and experimental validation of murine fracture healing
Geris, Liesbet ULg; Gerisch, A.; Maes, C. et al

in Proceedings of the fifth national day on biomedical engineering (2005)

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See detailTissue differentiation during fracture healing in mice: comparison of an experimental and numerical study
Geris, Liesbet ULg; Gerisch, Alf; Maes, Christa et al

in Proceedings of the first thematic workshop of the European Society of Biomechanics on Mechanobiology of Cells and Tissue Engineering (2005)

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See detailEngagement littéraire et morale de la littérature. Sartre et Bataille lecteurs de Baudelaire et Genet
Denis, Benoît ULg

in Bouju, Emmanuel (Ed.) L’engagement littéraire (2005)

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See detailLe papier dans les environnements virtuels pour l’architecture : Quels supports pour un traitement digital de l’information?
Boulanger, Christelle; Safin, Stéphane ULg; Leclercq, Pierre ULg

in Actes de SCAN'05 : Séminaire de conception architecturale numérique (2005)

En architecture, le support papier est présent dans différentes activités et, malgré la prégnance de l’informatique dans tous les domaines, il reste l’outil privilégié de l’architecte pour réaliser ses ... [more ▼]

En architecture, le support papier est présent dans différentes activités et, malgré la prégnance de l’informatique dans tous les domaines, il reste l’outil privilégié de l’architecte pour réaliser ses relevés ou ses premières esquisses de conception. Les caractéristiques du papier-crayon, comme sa maniabilité ou sa faculté à supporter la créativité par l’ambiguïté et l’imprécision des traits, en font un outil incontournable. Dans le cadre du développement d’interfaces-esquisse basées sur une technologie à stylo et dont l’objectif principal est d’apporter des aides dans les phases de relevé et dans les premières phases de conception, nous nous intéressons à la question du support : est-il possible d’utiliser un papier satisfaisant aux caractéristiques essentielles du papier traditionnel, et qui serait un support pour un traitement digital de l’information ? Nous nous intéressons aux questions d’usage et envisageons les différents types de papiers virtuels en regard des différentes situations de travail que rencontre l’architecte. [less ▲]

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See detailStress oxydant et fluidité membranaire du globule rouge du cheval athlète : effets de l’exercice et de la complémentation en antioxydants
Portier, K.; de Moffarts, Brieuc; Lekeux, Pierre ULg et al

in 31ème Journée de la Recherche Equine des Haras Nationaux (2005)

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See detailTemps verbaux et spécificités stylistiques chez les historiens latins : sur les méthodes d'analyse statistique d'un corpus lemmatisé
Longrée, Dominique ULg

in Calboli, Gualtiero (Ed.) Latina Lingua !, Proceedings of the Twelfth International Colloquium on Latin Lingiustics (Bologna, 9-14 June 2003) (2005)

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See detailAnalysis of Texture Evolution and hardening Behavior during Deep drawing with an improved mixed type FEM Element
Duchene, Laurent ULg; de Montleau, Pierre; El Houdaigui, Fouad et al

in Smith, L. M.; Pourboghrat, F.; Yoon, J. W. (Eds.) et al On the Cutting Edge of Technology, NUMISHEET 2005, 6th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes (2005)

In the present study, deep drawing simulations were investigated using a recently developed mixed type finite element (FE): the BWD3D. The main formulation of the element is described, with particular ... [more ▼]

In the present study, deep drawing simulations were investigated using a recently developed mixed type finite element (FE): the BWD3D. The main formulation of the element is described, with particular focus on the shear locking treatment. Two hardening models used in the presented simulations are described: the isotropic Swift’s model and the physically based microstructural Teodosiu and Hu model. Finally, deep drawing results, in terms of earing profile, are compared to experiment. Special attention is paid to the effects of texture evolution and hardening models; the method used to implement Teodosiu and Hu hardening model is also discussed. [less ▲]

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See detailGaseous emissions in the raising of weaned pigs on fully slatted floor or on sawdust-based deep litter
Nicks, Baudouin ULg; Laitat, Martine ULg; Farnir, Frédéric ULg et al

in Proceedings of the International workshop on Green Pork Production (2005)

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See detailLa verbalité de la perception selon la Mîmâmsâ et le Nyâya
Verpoorten, Jean-Marie ULg

in Chenet, François (Ed.) Catégories de langue et catégories de pensée en Inde et en Occident (2005)

A partir des définitions de la perception selon le Nyāya (Nyāyasūtra 1 1 4) et laMīmāṃsā (Mīmāṃsāsūtra 1 1 4),on aborde un chapitre de la Prakaraņapañcikā de Śālikanātha(750-820), où celui-ci discute du ... [more ▼]

A partir des définitions de la perception selon le Nyāya (Nyāyasūtra 1 1 4) et laMīmāṃsā (Mīmāṃsāsūtra 1 1 4),on aborde un chapitre de la Prakaraņapañcikā de Śālikanātha(750-820), où celui-ci discute du mot avyapadeśa « non énonçable » utilisé par ses prédécesseurs. Pour ce trio de penseurs, la question est : est-ce que la perception est l’appréhension d’un objet préalablement à toute nomination ou bien la nomination est-elle indispensable à une perception correcte. Pour les logiciens du nyāya, le mot crée la connaissance de l’objet même sans le modifier matériellement et l’objet n’est pas reconnu sans être énonçable (avyapadeśya) . Selon le penseur Vācaspatimiśra (an mil) avyapadeśya indique que la perception échappe à la sphère conceptuelle et accède aux objets abstraction faite de leurs noms, qu’en d’autres mots, elle opère avec des matériaux extramentaux càd non construits par l’esprit En revanche le grammairien Bhartṛhari déclare que le préconceptuel n’est pas dépourvu de noms et que la connaissance découle du contact objet-sens du mot. Un troisième intervenant prêche pour la combinaison d’un apport extérieur et d’un nom. La même problématique se retrouve chez Jayantabhaṭṭa , au livre 2 de la Nyāyamañjarī, où un débat long et filandreux met aux prises les « Anciens logiciens », les « Maîtres » (Ācārya’s), les « Interprètes » (Vyākhyātṛ’s), un « Adversaire » (Para), un « Autre » (Apara) et « d’Autres » (Anye = les Bouddhistes). Tous ont leur mot à dire dans un débat sans guère de fil conducteur et qui échoue à trancher la question fondamentale : la perception est-elle différente de la sensation ? [less ▲]

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See detailGrey level intercepts distributions and grain size estimation
Lebichot, Sophie; Dislaire, Godefroid; Pirard, Eric ULg et al

in Proceedings 8th European Congress for Stereology and Image Analysis (2005)

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See detailAccuracy of the nitrate sampling scheme, proposed in Walloon area, for grazed grasslands
Hennart, Sylvain; Stilmant, Didier ULg; Lambert, Richard et al

in Schröder, J. J.; Neetson, J. J. (Eds.) N management in agrosystems in relation to the Water Framework Directive (2005)

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See detailPratiche urbane e conflittualità: per una sociosemiotica del traffico
Dondero, Maria Giulia ULg

in Manetti, Giovanni; Bertetti, Paolo; Prato, Alessandro (Eds.) Guerre di segni. Semiotica delle situazioni conflittuali (2005)

Cet article porte sur les pratiques stratégiques de la circulation en ville et s’interroge sur les méthodes d’analyse (sémiotiques, ethnographiques, etc.) des pratiques conflictuelles. Ce travail choisit ... [more ▼]

Cet article porte sur les pratiques stratégiques de la circulation en ville et s’interroge sur les méthodes d’analyse (sémiotiques, ethnographiques, etc.) des pratiques conflictuelles. Ce travail choisit un double point de vue sur les pratiques : le premier est celui de l’objectivation et de la textualisation des pratiques à travers le point de vue d’un « œil divin » (explication), le deuxième part d’une observation « située » et d’un point de vue incarné (compréhension). Cette recherche s’attache donc à une analyse des dispositifs spatiaux de gestion et de contrôle de la circulation, ainsi qu’aux pratiques d’ajustement en acte. Le trafic urbain est envisagé comme un corps-à-corps technologique où se croisent et se confrontent les compétences des agents humains et des corps machiniques des voitures (compétences stratégique et relationnelle distribuées entre humains et non-humains). [less ▲]

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See detailField scale N-management : soil and plant diagnostic tools applied within the Agricultural Surface Survey
Courtois, Pierre; Destain, Jean-Pierre ULg; Renard, Sophie et al

in Schröder, J. J.; Neetson, J. J. (Eds.) N management in agrosystems in relation to the Water Framework Directive (2005)

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See detailControlling the effects of anomalous ARP behaviour on ethernet networks
Ármannsson, D.; Hjálmt sson, G.; Smith, Paul et al

in Proceedings of the 2005 ACM conference on Emerging network experiment and technology (2005)

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See detailImplementation of the Nitrate Directive in Belgium : the Agricultural Surface Survey
Vandenberghe, Christophe ULg; Bontemps, Pierre-Yves; Lambert, Richard et al

in Schröder, J. J.; Neeteson (Eds.) N management in agrosystems in relation to the Water Framework Directive (2005)

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See detailEvidence for a role of prolactin fragments in corpus luteum function
Ricken, A.; Merkwitz, C.; Struman, Ingrid ULg et al

in The society for the study of reproduction Annual meeeting, Quebec 2005 (2005)

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See detailPlastic Analysis of Concrete Structures Subjected to Fire
Franssen, Jean-Marc ULg

in Gambarova, P. G. (Ed.) Proceedings of the Workshop "Pire Design of Concrete Structures: What now? What next?" (2005)

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See detailDendrochronologie et typologie de charpentes à Bruxelles et problématique des chronologies de référence
Eeckhout, Jérôme ULg

in Archaeologia medievalis Chronique 28 (2005)

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See detailFertilizer particles characterization : standard methods and image analysis
Miserque, Olivier; Pirard, Eric ULg; Chapeau, Vincent

in Annual Meeting International Fine Particle Research Institute (2005)

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See detailLe français en crise et en cause dans l'enseignement supérieur au Maroc (synthèse)
Defays, Jean-Marc ULg

in Jaafar, Khalid (Ed.) Actes des Journées d'études : "Langue, Communication et Informatique" (2005)

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See detailFire resistance of unrestrained welded steel beams submitted to lateral-torsional buckling
Vila Real, P. M. M.; Lopes, N.; Simoes da Silva, L. et al

in Hoffmeister, B.; Hechler, O. (Eds.) Proceedings of the 4th European Conference on Steel and Composite Structures (EUROSTEEL 2005) (2005)

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See detailCan existing landscape ecology theories contribute to urbanization issues and concomitant ecosystem management?
Bogaert, Jan ULg

in INTECOL (Ed.) Abstracts of the 90th Annual meeting of the Ecological Society of America held jointly with the IX International Congress of Ecology. (2005)

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See detailProgressive load redistribution in continuous concrete beams and slabs under fire conditions
Dotreppe, Jean-Claude ULg; Gens, F.; Franssen, Jean-Marc ULg

in Proceedings of the fib Symposium "Keep concrete attractive" Vol.2 (2005)

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See detailAssessing a river floodplain status using airborne imaging spectrometer data and ground validation – The HyEco'04 project
Kooistra, L; Batelaan, O; Clevers, J et al

in Abstract for Third Airborne Imaging Spectroscopy Workshop in Bruges (2005)

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See detailDesign of Structural Fire Protection and Fire Protection Systems
Franssen, Jean-Marc ULg

in Hosser, Dietmar (Ed.) Proceedings of the International Fire protection Symposium (2005)

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See detailLa mise en oeuvre de réseaux écologiques en Wallonie
Dufrêne, Marc ULg

in Lumaret, J.-P.; Jaulin, S.; Soldati, F. (Eds.) et al Conservation de la biodiversité dans les paysages ruraux européens (2005)

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See detailEffect of localised fires on continuous steel beams
Franssen, Jean-Marc ULg; Gens, F.; Dotreppe, Jean-Claude ULg

in Hoffmeister, B.; Hechler, O. (Eds.) Proceedings of the 4th European Conference on Steel and Composite Structures (EUROSTEEL 2005) (2005)

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See detailFire safety engineering analysis of a super market structure composed of cambered cellular beams
Franssen, Jean-Marc ULg; Majkut, S.; Cajot, L.-G. et al

in Hoffmeister, B.; Hechler, O. (Eds.) Proceedings of the 4th European Conference on Steel and Composite Structures (EUROSTEEL 2005) (2005)

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See detailLive at Bar Maldoror: les chants magnétiques de Lautréamont
Claisse, Frédéric ULg; Brogniez, Laurence

in Aron, Paul; Bertrand, Jean-Pierre; Durand, Pascal (Eds.) La Littérature Maldoror (2005)

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See detailAccuracy assessment of an IKONOS derived DSM over urban and suburban area
Devriendt, D.; Goossens, R.; Binard, Marc ULg et al

in Jacobsen, K.; Goossens, Rudi; Winkler, P. (Eds.) Proceding of the EARSeL Workshop 3D-Remote Sensing: Porto, June 10 - 11, 2005 (2005)

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See detailRandom-incidence scattering coefficients of infinite sine-shaped surfaces
Embrechts, Jean-Jacques ULg

in Proceedings of the 4th Forum Acusticum Congress (2005)

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See detailSpreading segregation of bulk blends
Miserque, Olivier; Pirard, Eric ULg; Schenkel, Yves

(2005)

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See detailViolences exercées sur les jeunes filles dans les familles d'origine étrangère
Born, Michel ULg

in Délinquance des jeunes et justice des mineurs (2005)

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See detailActive noise control in frontages of buildings
Tamaz, Patrick; Caule, Patrice; Nemerlin, Jean ULg et al

in Proceedings of SPS-DARTS 2005 (2005)

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See detailModelling of semi-continuous casting of cupro-nickel alloys
Pascon, Frédéric ULg; Pecquet, Etienne ULg; Zhang, Lihong ULg et al

in Papadrakakis, M.; Onate, E.; Schrefler, B. (Eds.) Proceedings of the International Conference on Computational Methods for Coupled Problems in Science and Engineering (2005)

This research developed at University of Liege aims to optimize the complete semi-continuous casting process at LBP Company, a producer of copper-nickel alloys (or cupro-nickels). The process consists in ... [more ▼]

This research developed at University of Liege aims to optimize the complete semi-continuous casting process at LBP Company, a producer of copper-nickel alloys (or cupro-nickels). The process consists in vertical casting of 7m long ingots. Some problems recurrently occur during casting process: formation of oscillations (wave length of about 500 mm), unsuitable concave cross-sections or internal cracks. In order to reduce the occurrence of such defects and to better understand their formation, we have been asked to develop a finite element model. The research focuses on two main topics: identification of material properties through laboratory tests and literature survey and the development of the numerical tool. The laboratory tests provide thermal and mechanical properties of the ingot and the mould, as well as heat transfer coefficients between the ingot and its surroundings (mould, air and water). These parameters are required for the numerical simulations of the process. In the second part of the research, numerical calculations have been performed using finite element method. Two types of 2D models have already been studied: horizontal slice and vertical slice. This first choice has been guided by the high coupling between thermal and mechanical aspects of the problem, leading to highly complex systems of equations and subsequent long CPU times. However, due to the limitations of such 2D models, a 3D formulation has then been considered and it is still in progress. [less ▲]

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See detailPractical Reconnection over Expansion Joints in a Reinforced Concrete Structure
Plumier, André ULg; Denoël, Vincent ULg; Sanchez, L. et al

in Proceedings of the Seismic Performance Assessment and Rehabilitation Workshop (SPEAR Workshop) (2005)

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See detailLes évaluations externes en Communauté française de Belgique : analyse des disparités entre élèves à la lumière d'une décennie de mise en place de ce dispositif
Fagnant, Annick ULg; Demonty, Isabelle ULg; Lafontaine, Annette ULg

in Comment évaluer ? Outils, dispositifs et acteurs : actes du colloque de l'Adméé-Europe, Reims, 24-26 octobre 2005 (2005)

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See detailComputation of Directional Impulse Responses in Rooms for Better Auralization
Embrechts, Jean-Jacques ULg; Werner, Nicolas; Lesoinne, Stéphane ULg

in Proceedings of the 118th Convention of the Audio Engineering Society (2005)

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See detailOn the characterization of concrete surface roughness and its relation to adhesion in repair systems
Garbacz, Andrzej; Kostana, Katarzyna; Courard, Luc ULg

in Chaponski, J.; Chraponski; Cwajna, J. (Eds.) et al Stereology and Image Analysis (2005)

The aim of this work is the analysis of an effect of concrete surface geometry on adhesion of repair systems. Several types of surface preparation techniques are selected and analysed via different ... [more ▼]

The aim of this work is the analysis of an effect of concrete surface geometry on adhesion of repair systems. Several types of surface preparation techniques are selected and analysed via different systems: laser profilometry, mechanical profilometry, microscopy and "sand" patch test method. [less ▲]

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See detailModelaçao numérica da encurvadura lateral de vigas I em aço inoxidável à temperature ambiente e em situaçao de incêndio - comparaçao com o Eurocòdigo
Lopes, N.; Vila Real, P.; Silva, L. et al

in Proceedings of the V Congresso de Construçao Metálica e Mista (2005)

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See detailFrom biological signals to music
Arslan, B.; Brouse, A.; Castet, J. et al

in Proceedings of the 2nd International Conference on Enactive Interfaces Enactive05 (2005)

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See detailMitigation of soft storey failures of RC structures under earthquake by encased steel profiles
Plumier, André ULg; Doneux, Catherine; Stoychev, Lyubomir et al

in Proceedings of the ICASS'05 Conference (2005)

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See detailBehaviour of seismic resistant braced frames with innovative dissipative (INERD) connections
Vayas, I.; Thanopoulos, P.; Castiglioni, C. et al

in Proceedings of the EUROSTEEL Conference 2005 (2005)

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See detailMitigation of seismic soft storey failures of RC structures by composite steel-concrete columns
Plumier, André ULg; Doneux, Catherine; Stoychev, Lyubomir

in Proceedings of the EUROSTEEL Conference 2005 (2005)

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See detailIn vitro release of salbutamol acetonide from solid lipid nanoparticles
Jaspart, Séverine ULg; Bodson, Cédric; Bertholet, Pascal et al

in Proceedings of 1st Pharmaceutical Sciences Fair and Exhibition (2005)

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See detailA rapid estimation of nitrogen bound to neutral detergent fibre in forages by near infrared reflectance spectroscopy.
Bindelle, Jérôme ULg; Sinnaeve, Georges; Dardenne, Pierre et al

in XXth International Grassland Congress: Offered papers (2005)

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See detailAlpha-elements in mildly metal-poor stars
Decauwer, H.; Jehin, Emmanuel ULg; Parmentier, G. et al

in Hill, V.; François, P.; Primas, F. (Eds.) From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution (2005)

Accurate relative abundances of light elements (C to Ca) have been obtained in a sample of mildly metal-poor stars (Decauwer et al. 2005). Combined with the results of a previous study (Jehin et al. 1999 ... [more ▼]

Accurate relative abundances of light elements (C to Ca) have been obtained in a sample of mildly metal-poor stars (Decauwer et al. 2005). Combined with the results of a previous study (Jehin et al. 1999), we find different slopes in the correlations between the different alpha-elements. These results can be explained by postulating that the stars exhibiting lower than average alpha/Fe form in low mass clouds, unable to sustain the formation of very massive stars. [less ▲]

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See detailChemical abundances in 43 metal-poor stars
Gustafsson, Bengt; Asplund, Martin; Edvardsson, Bengt et al

in Hill, V.; François, P.; Primas, F. (Eds.) From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution (2005)

We have derived abundances of O, Na, Mg, Al, Si, Ca, Sc, Ti, V, Cr, Fe, Ni and Ba for 43 metal-poor field stars, mostly stars at the turn-off point and on the subgiant branch, in the interval {-}3.0{[Fe/H ... [more ▼]

We have derived abundances of O, Na, Mg, Al, Si, Ca, Sc, Ti, V, Cr, Fe, Ni and Ba for 43 metal-poor field stars, mostly stars at the turn-off point and on the subgiant branch, in the interval {-}3.0{[Fe/H]{. The analysis is differential relative to the Sun. Oxygen abundances, with consideration of NLTE effects, were derived from the OI 777.4 nm triplet lines. We find [O/Fe] to gradually increase with decreasing [Fe/H], though considerably slower than has earlier been obtained from OH lines in the UV. A scatter in [O,Mg,Ca,Ti/Fe] at a given [Fe/H] is found and we argue that this scatter is partly real. The deviations from the mean trends of abundance ratios vs [Fe/H] are found to correlate in non-trivial ways for different abundances. Similar trends are found from results of accurate studies by other groups. This seems to give further evidence for the hypothesis that the stars once formed in different subsystems, with different star-formation rates.The paper is in press in A&A, may be obtained as astro-ph/0505118. [less ▲]

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See detailHigh-order high-frequency integral equations
Bruno, O.; Geuzaine, Christophe ULg

in Proceedings of the 7th International Conference on Mathematical and Numerical Aspects of Waves, Waves 2005 (2005)

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See detailSemi-solid forming of steels
Rassili, A.; Geuzaine, Christophe ULg; Dular, Patrick ULg et al

in Proceedings of the 8th Esaform Conference on Material Forming (2005)

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See detailSemi-solid metal forming
Rassili, A.; Geuzaine, Christophe ULg; Dular, Patrick ULg et al

in Proceedings of the Computational Methods for Coupled Problems in Science and Enginieering Conference (2005)

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See detailSimulation of Complex Crashworthiness Problems by Using a Combined Implicit/Explicit Time Integration.
Noels, Ludovic ULg; Stainier, Laurent ULg; Ponthot, Jean-Philippe ULg

(2005)

In this work we will combine the ®-generalized explicit time integration scheme with the Energy-Dissipating Momentum-Conserving (EDMC) implicit time-integration scheme.

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See detailTempérature et transport : quels effets sur la qualité technologique et hygiénique ?
Clinquart, Antoine ULg

in WAVFH-WB (Ed.) Après-midi d'étude de la section Wallonie-Bruxelles de la World Association of Veterinary Food Hygienists "Le Transport, un sujet chaud" (2005)

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See detailNew developments in the application of automatic learning to power system control
Wehenkel, Louis ULg; Glavic, Mevludin; Ernst, Damien ULg

in Proceedings of the 15th Power System Computation Conference (PSCC 2005) (2005)

In this paper we present the basic principles of supervised learning and reinforcement learning as two complementary frameworks to design control laws or decision policies within the context of power ... [more ▼]

In this paper we present the basic principles of supervised learning and reinforcement learning as two complementary frameworks to design control laws or decision policies within the context of power system control. We also review recent developments in the realm of automatic learning methods and discuss their applicability to power system decision and control problems. Simulation results illustrating the potentials of the recently introduced fitted Q iteration learning algorithm in controlling a TCSC device aimed to damp electro-mechanical oscillations in a synthetic 4-machine system, are included in the paper. [less ▲]

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See detailEvaluation of the pulmonary inflammation and bronchial hyperresponsiveness in healthy mice induced by inhaled cyclodextrins
Guéders, Maud ULg; Bertholet, P.; Barillaro, Valery et al

in Journal of inclusion Phenomena and Macrocyclic Chesmistry (2005)

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See detailTracking by cluster analysis of feature points and multiple particle filters
Du, Wei ULg; Piater, Justus ULg

in Pattern Recognition and Image Analysis (2005)

A moving target produces a coherent cluster of feature points in the image plane. This motivates our novel method of tracking multiple targets by cluster analysis of feature points and Multiple particle ... [more ▼]

A moving target produces a coherent cluster of feature points in the image plane. This motivates our novel method of tracking multiple targets by cluster analysis of feature points and Multiple particle filters. First, feature points are detected by a Harris corner detector and tracked by a Lucas-Kanade tracker. Clusters of moving targets are then initialized by grouping spatially co-located points with similar motion using the EM algorithm. Due to the non-Gaussian distribution of the points in a cluster and the multi-modality resulting from multiple targets, multiple particle filters are applied to track all the clusters simultaneously: one particle filter is started for one cluster. The proposed method is well Suited for the typical video surveillance configuration where the cameras are still and targets of interest appear relatively small in the image. We demonstrate the effectiveness of our method on different PETS datasets. [less ▲]

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See detailComparaison de quatre variétés de blé d’hiver : effets de différents critères physico-chimiques sur les performances zootechniques du poulet
Piron, Fabien ULg; Beckers, Yves ULg; Ounissi, Kamel et al

in Journées de la Recherche Avicole (2005)

This study investigated the influence of some physic and chemical parameters of wheat grains on the performances of broilers (Ross). Four varieties (Agami, Corvus, Folio et Meunier) were grown on a single ... [more ▼]

This study investigated the influence of some physic and chemical parameters of wheat grains on the performances of broilers (Ross). Four varieties (Agami, Corvus, Folio et Meunier) were grown on a single site in harvest year 2003. This cultivar samples are ground and included in starter (57.6 % of wheat) and growth diets (61.4 % of wheat). Broiler’s intake was not influenced (p > 0.05, n = 24) by varieties. But weights of chicken (38 days) were (p < 0.05, n = 516) higher with Folio and Meunier. Feed conversion ratios cumulated between day 3 to day 38 (FCR) were (p < 0.05, n = 24) lower with Folio and Meunier than with Corvus and Agami. Hardness was negatively correlated with FCR (r = - 0.60, p < 0.01, n = 4). The correlation between crude proteins and FCR was equal to - 0.70 (p < 0.001, n = 4). FCR was negatively correlated to Zeleny’s index (r = - 0.62, p < 0.01, n = 4), wet (r = - 0.66, p < 0.001, n = 4) and dry gluten (r = - 0.51, p < 0.05, n = 4). FCR was negatively correlated to ratio of large (> 1800 μm) particles in ground wheat (r = - 0.48, p < 0.05, n = 4) and also related to small (< 707 μm) material (r = 0.53, p < 0.01, n = 4). Surprisingly, FCR was negatively correlated with amounts of soluble Non-Starch Polysaccharides and soluble Arabinoxylans. The same pathway was observed with in vitro viscosity data. Intestinal viscosities were not related (p > 0.05, n = 24) to broiler’s performances. [less ▲]

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See detailWildlife Surveys in Rainforest Concessions in order to identify protected areas
Mathot, L.; Doucet, Jean-Louis ULg

in De Dapper, M. (Ed.) Tropical Forests in a Changing Global Context (2005)

In most of the cases, logging companies in Central Africa are now legally obliged to integrate a game management plan in their global management plans. The number of fauna inventories has increased ... [more ▼]

In most of the cases, logging companies in Central Africa are now legally obliged to integrate a game management plan in their global management plans. The number of fauna inventories has increased rapidly. Fauna inventories make it possible to evaluate the relative abundance of animal species and their distribution, in order to define particularly valuable areas that should obtain a protected area status. However, logging companies often do not ensure a reliable coverage of their concessions. Moreover, inventory methods are not always reliable, which leads to a lack of precision and low representativeness of the results. It is absolutely necessary to use a pragmatic low cost methodology for fauna inventories, which considers the particular context of logging companies and which is able to guarantee a quite precise estimation of fauna densities. Line transect sampling methods are currently considered as the best to monitor large and medium-size game species living within rain forests. Two methods make it possible to evaluate the abundance of fauna. The so-called distance sampling method is used to estimate absolute density figures. Indicators of animal presence (observation of individuals for small primates, dung piles for duikers and elephants or nests within the case of gorillas) within sampling units well knowing that not all the animals will be counted. Distances between the indicators of animal presence and the transect line are measured. The distribution of the observations using distance classes makes it possible to draw a detection curve and to calculate an absolute animal density. The particularly critical stage in this method appears to be the moment when dung piles and nest densities have to be converted into animal density figures. Indeed, conversion factors such as production rates and degradation time of dung and nests are not exactly known and can vary a lot. This means that it is impossible to evaluate animal densities in a precise way. The Index of Kilometric Abundance method calculates the number of inventoried observations over a certain distance without measuring the distance between the transect and indicators of animal presence. This method is easier to apply, but neglects the decreasing detection probability of objects in relation with the distance from the transect. It is possible to balance the Index of Kilometric Abundance obtained using a visibility coefficient. Some authors have shown that the IKA method is a reliable tool to monitor relative abundance of animal populations in rain forests. It allows to collect maximum amounts of data in a cheap and easy way. Considering the fact that the main goal of fauna inventories within forest concessions is to define the most valuable zones for animal species in order to choose the areas that should be protected, it is not necessary to estimate an absolute density. It is even not justified to do this, as it costs a lot to open new transects. Moreover, opening new transects should be avoided as much as possible, as they attract hunters. Fauna inventories make it possible to define the most interesting areas for fauna conservation. While defining these areas in order to protect them, the following parameters should be considered: global fauna densities; densities of threatened or vulnerable species; the importance of human activities (hunting in particular). It is necessary to standardize these parameters in order to give them the same weight. For each inventory plot, values for animal abundance and densities of threatened species have to be added up. Afterwards, the value for hunting has to be subtracted from the sum of the first values. The index obtained is called “conservation potential”. Using software such as ArcView and its extension Spatial Analyst makes it possible to extrapolate the results obtained and to apply them to the whole forest concession. The botanical interest of the inventoried plots should also be considered through different parameters (species richness, diversity, vulnerable species, chorology) in order to produce a global index. Fauna inventories do not stand alone, but have to be considered as a basic tool to set up a sustainable game management. They have to be used to develop actions to preserve animal species, such as the creation of a protected area. They can also make it possible to monitor animal populations in order to evaluate the effectiveness of developed actions dedicated to reduce pressure on fauna. [less ▲]

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See detailRecent Evolution of atmospheric OCS above the Jungfraujoch station : implications for the stratospheric aerosol layer.
Mahieu, Emmanuel ULg; Zander, Rodolphe ULg; Demoulin, Philippe ULg et al

in Proceedings of the Atmospheric Spectroscopy Applications. (2005)

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See detailApplication of an advanced transient stability assessment and control method to a realistic power system
Cirio, D.; Lucarella, D.; Vimercati, G. et al

in Proceedings of the 15th Power System Computation Conference (PSCC 2005) (2005)

The paper presents a technical overview of a large research project on Dynamic Security Assessment (DSA) supported by EU. Transient Stability Assessment and Control, which was one of the main goals of the ... [more ▼]

The paper presents a technical overview of a large research project on Dynamic Security Assessment (DSA) supported by EU. Transient Stability Assessment and Control, which was one of the main goals of the project, is taken into consideration by presenting the fundamental theoretical methodology and possible applications. A specific prototype installation for a realistic power system is then reported by presenting and commenting some of the obtained results. [less ▲]

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See detailRobust Design of a Fan Blade by Coupling Multi Objective Genetic Optimization and Flow Parameterization
Kelner, Vincent ULg; Grondin, Gilles; Léonard, Olivier ULg et al

in Proccedings od the International Congress on Fluid Dynamics Applications in Ground Transportation (2005)

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See detailEDZ in Plastic Clay
Charlier, Robert ULg; Sillen, Xavier

in Davies, Christophe; Bernier, Frédéric (Eds.) Proceeding European Cluster Conference and Workshop Impact of the excavation disturbed or damages zone (EDZ) on the performance of radioactive waste geological repositories (2005)

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See detailGaseous emissions in the raising of fattening pigs on fully slatted floor or on straw-based deep litter
Nicks, Baudouin ULg; Philippe, François-Xavier ULg; Laitat, Martine ULg et al

in Proceedings of the XIIth international congress of the International Society for animal Hygiene, Animals and the environment (2005)

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See detailPourquoi et comment enseigner la compréhension à la lecture ?
Lafontaine, Dominique ULg

in Lecture : apprentissage et citoyenneté : actes du colloque organisé le 23 avril 2005, Charleroi (2005)

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See detailConnection between some dicoveries of women in science and the underlying current technologies : an exhibition at Liège
Jaminon, Martine ULg; Vercheval, Catherine

in Strabanova, Sona; Stamhuis, Ida; Mojsejova, Katerina (Eds.) Woman Scolars and Institutions (2005)

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See detailHeat generation due to friction and plastic dissipation – a coupled thermomechanical approach for impact and metal forming simulation
Adam, L.; Ponthot, Jean-Philippe ULg

in Proceedings of Int. Conf. on Computational Methods for Coupled Problems in Science and Engineering – COUPLED PROBLEMS 2005 (2005)

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See detailA variational framework for nonlinear viscoelastic and viscoplastic models in finite deformation regime
Stainier, Laurent ULg; FANCELLO, E.; Ponthot, Jean-Philippe ULg

in MECOM 2005, , Mecanica Computational (2005)

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See detailWilliam Cliff, de la rue Marché-au-charbon à America
Demoulin, Laurent ULg

in Russo, Adelaide; Harel, Simon (Eds.) Lieux propices: l'énonciation des lieux/le lieu de l'énonciation dans les contextes francophones interculturels (2005)

L'oeuvre du poète belge William Cliff est souvent incarnée dans un lieu, si elle n'est pas la traduction des déplacements d'un marcheur infatigable. Ces caractéristiques thématiques croisent les ... [more ▼]

L'oeuvre du poète belge William Cliff est souvent incarnée dans un lieu, si elle n'est pas la traduction des déplacements d'un marcheur infatigable. Ces caractéristiques thématiques croisent les caractéristiques formelles de cette poésie qui fait un usage particulier de la versification. [less ▲]

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See detailAnalysis of canine and feline uroliths in the Benelux. A retrospective study 1994-2005
de Lovinfosse, T.; Detilleux, Johann ULg; Picavet, P. et al

in Proceedings of the 9th Congress ESVCN (2005)

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See detailStructures in Fire: yesterday, today and tomorrow
Franssen, Jean-Marc ULg

in Gottluk, D T; Lattimer, B Y (Eds.) Fire Safety Science - Proceedings of the Eighth International Symposium (2005)

This paper presents the author's view on various methods used for the evaluation of the behaviour of structures submitted to fire, namely experimental testing, tabulated data, simple calculation methods ... [more ▼]

This paper presents the author's view on various methods used for the evaluation of the behaviour of structures submitted to fire, namely experimental testing, tabulated data, simple calculation methods and numerical simulation. The evolution during the last decades, and the pertinence of these methods in different situations are discussed. The challenges that scientists and researchers are facing now and the problems that will need be addressed in the future are presented. [less ▲]

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See detailHeracleia Salbakè, centre médical au Haut-Empire
Nissen, Cécile ULg

in Sari, Nil (Ed.) Proceedings of the 38th International Congress on the History of Medicine : Istanbul, 1st-6th September 2002 (2005)

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See detailWater intake is influenced by feeding frequency and energy allowance in cats
Kirschvink, N.; Lhoest, E.; Leemans, J. et al

in Proceedings of the 9th Congress ESVCN (2005)

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See detailA case study of flexible reconnection over expansion joints in a buildings
Plumier, André ULg; Warnotte, V.; Van Alboom, W.

in Proceedings of the 9th World Seminar on Seismic Isolation, Energy Dissipation and Active Vibration Control of Structures (2005)

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See detailA new automatic video multitracking system able to follow a large school
Delcourt, Johann ULg; Becco, Christophe ULg; Vandewalle, Nicolas ULg et al

in Noldus, L.P.P.J.; Grieco, F.; Loijens, L. W. S. (Eds.) et al Proceedings of Measuring Behavior 2005 (2005)

The study of shoaling behaviours is tackled by scientists by three approaches: the field, laboratory and computer modelling approach. The field studies are complicated and permit rarely an analysis of ... [more ▼]

The study of shoaling behaviours is tackled by scientists by three approaches: the field, laboratory and computer modelling approach. The field studies are complicated and permit rarely an analysis of individual positions. The third approach, consisting of development of mathematic models, is artificial. It requires a comparison with empiric results to validate and to determine the explications’ degree of each model. Thanks to the developments of digital imaging techniques, the laboratory studies on fish are able to measure the behavioural parameters with precision, impossible to realize with manual recording. Multitracking systems are rare and of recent development. These are insufficient to study the real size of shoals, often composed of hundreds of .shes. We have developed a new system of multitracking thanks to collaboration with the G.R.A.S.P. The G.R.A.S.P. has before realised other multitracking systems to follow some hundreds physical objects. Our video multitracking system is able to detect and to track more than a hundred unmarked fishes by gray scaling technique during some minutes. It permits an analysis as well at the group level as at the individual level. The multitraking program is able to attribute a number at each fish and to follow each one during the whole duration of the track. Our system permits the analysis of the movement of each individual, even if the trajectories of two fishes cross each other. It is possible thanks to the theoretical estimation of trajectory of each fish, compared with the real trajectory (analysis with feedback). The human eye is always necessary to detect the errors in identification but reediting is possible. However, if the fishes don’t move too rapidly, a rate of 25 images /s gives very good results, without too much visual expertise from the experimenter. If the fishes are too fast (i.e. escape response), it is better to use a high speed camera. [less ▲]

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See detailHow vets and veterinary students feed their own dogs
Lhoest, E.; Detilleux, Johann ULg; Vandenheede, M. et al

in Proceedings of the 9th Congress ESVCN (2005)

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See detailUse of municipal solid waste incineration residues in concrete pavement setts
Courard, Luc ULg; Degeimbre, Robert ULg; Darimont, Anne ULg et al

in Proceedings of CONMAT'05 and Midness Symposium (2005)

Valorisation of Municipal Solid Waste Incineration Residues - excluding ashes - is a positive advance in sustainable development : saving natural resources, decrease of wastes volume stored, reduction of ... [more ▼]

Valorisation of Municipal Solid Waste Incineration Residues - excluding ashes - is a positive advance in sustainable development : saving natural resources, decrease of wastes volume stored, reduction of energy consumption. If good conditions of incineration can be ensured and post-combustion treatments are realised, solid residues are in the form of granular materials usable in construction and civil engineering. Application for the fabrication of concrete pavement has been developed. Mechanical and physical performances of municipal solid waste incineration residues let us to replace a part of the granular skeleton and to obtain similar behaviour than for reference granular composition : splitting resistance, water absorption and resistance to abrasion are optimised. Leaching behaviour is also verified in order to avoid detrimental effect on the environment. Example of application is presented in “sleeping policeman” technique and durability of the structure is explained. [less ▲]

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See detailPremières évaluation d’un Bureau Virtuel pour un processus de conception augmenté
Safin, Stéphane ULg; Boulanger, Christelle; Leclercq, Pierre ULg

in Proceedings of IHM07 : Conférence francophone sur l'interaction homme-machine. (2005)

Many CAD tools already allow to create and manipulate directly ideas in a digital way. However, designers still use the pen and paper technique during the early design phase of their projects. Indeed ... [more ▼]

Many CAD tools already allow to create and manipulate directly ideas in a digital way. However, designers still use the pen and paper technique during the early design phase of their projects. Indeed, existing CAD tools con-straint the creative work. There is a need for a sponta-neous human computer interaction in design computing. In order to answer to this need, we develop an integrated aided design tool based on an Virtual Desktop. The de-signer sits in front of a classical desktop where s/he can create and manipulate drawings and generated models. The paper relates the observations made from an ex-periment about the use of the Virtual Desktop by a de-signer. That experiment demonstrates that the immersive aspect of our system interface modifies the relation exist-ing between the designer and his/her model and, this way, its generates a new type of augmented interaction. [less ▲]

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See detailSWAP and LYRA: space weather from a small spacecraft
Defise, Jean-Marc ULg; Lecat, Jean-Hervé ULg; Stockman, Yvan ULg et al

in Recent Advances in Space Technologies, 2005. RAST 2005. Proceedings of 2nd International Conference on (2005)

Two scientific instruments for Sun observations are being developed to be part of the payload of the ESA's second microsatellite, Proba-II (Project for On-board Autonomy). PROBA-2 is scheduled for launch ... [more ▼]

Two scientific instruments for Sun observations are being developed to be part of the payload of the ESA's second microsatellite, Proba-II (Project for On-board Autonomy). PROBA-2 is scheduled for launch in early 2007, on a low earth orbit. Like Proba-1, in orbit since October 2001, Proba-2 is a 100-kilogram class spacecraft. PROBA-II will demonstrate new advanced technologies on its scientific payload but also on new platform subsystems such as star tracker, digital Sun sensor, cool gas generator, solar array concentrator, Li-Ion Battery, new central processor, ... This paper is dedicated to the solar payload, comprising the Sun Watcher using Active Pixel System detector and image Processing (SWAP) and the Lyman alpha Radiometer (LYRA), both aiming at Sun observations. SWAP, the Belgian-led main instrument, will continuously provide detailed images of the solar atmosphere, by the light of extreme ultraviolet rays, at 17.4 nm, completely absorbed by the terrestrial atmosphere. SWAP will perform as an operational solar monitoring tool for space weather forecasting while it will also demonstrate new technological solutions: CMOS-APS detector, new off-axis telescope design, athermal structure, ... LYRA (Lyman-alpha Radiometer) is a small compact solar VUV radiometer. This instrument is designed, manufactured and calibrated by a Belgian-Swiss-German consortium. It will monitor the solar flux in four UV passbands. The spectral channels have been carefutly selected for their relevance io space weather, solar physics and aeronomy, ranging from 1 nm to 220 nm. On the technological side, LYRA will benefit from the pioneering UV detectors program using diamond technology. The LYRA data will produce valuable solar monitoring information, for operational space westher nowcasting and research. This paper will detail the instrument concepts and their preparation for delivery to the platform. [less ▲]

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See detailA Virtual Desktop's First evaluation for an Augmented Design Process
Safin, Stéphane ULg; Boulanger, Christelle; Leclercq, Pierre ULg

in Proceedings of Virtual Concept 2005. (2005)

Many CAD tools already allow to design and directly manipulate ideas in a digital way. However, designers still use pen and paper during the early design phase of their projects. Indeed, existing CAD ... [more ▼]

Many CAD tools already allow to design and directly manipulate ideas in a digital way. However, designers still use pen and paper during the early design phase of their projects. Indeed, existing CAD tools constraint creative work. There is a need for a spontaneous human computer interaction in design computing. In order to answer to this need, we develop an integrated aided design tool based on a Virtual Desktop. The designer sits in front of a classical desk where s/he can design and manipulate drawings and generated models. This paper describes the observations made during experiment about Virtual Desktop’s use by a designer. The experiment demonstrates that the immersive aspect of our system interface modifies the relationship between the designer and his/her model and, by the way, how this relation generates a new type of augmented interaction. [less ▲]

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See detailPortable Tool for Finalizing Freehand Drawings : Activity Analysis and Design Requirements
Boulanger, Christelle; Decortis, Françoise ULg; Safin, Stéphane ULg

in Proceedings of EACE 2005 : Annual Conference of the European association of Cognitive Ergonomics (2005)

Within a multidisciplinary team of designers, architects and mechanical engineers, and ergonomists, we participate in a research project (ICC) in design and creative interface. This paper describes a ... [more ▼]

Within a multidisciplinary team of designers, architects and mechanical engineers, and ergonomists, we participate in a research project (ICC) in design and creative interface. This paper describes a participative and iterative approach and reviews the results of field studies involved in the design of a portable tool for finalizing freehand drawings. The results are discussed in terms of Activity Theory and its contribution to this field. [less ▲]

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See detailEffect of oral and inhaled corticosteroids on bronchial reactivity and airway inflammation in a feline model of asthma
Kirschvink, Nathalie; Leemans, Jérôme ULg; Delvaux, François ULg et al

in In proceedings: 15th Congress European College of Veterinary Internal Medicine – companion animals (2005)

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See detailAdvanced particle characterization for improved understanding of cold spray coating quality
Pirard, Eric ULg; Campana, Florent; Janssen, Jean-Pierre

in Pawlowski, Lech (Ed.) 2e Rencontres Int. Projection Thermique (2005)

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See detailPourquoi SHARE?
Perelman, Sergio ULg; Pestieau, Pierre ULg

in Les Finances publiques: Défis à moyen et long termes (2005)

SHARE, l’acronyme de Survey on Health, Ageing and Retirement in Europe, est sans nul doute une des plus grandes enquêtes jamais réalisées au niveau européen. Elle s'adresse à la population de 50 ans et ... [more ▼]

SHARE, l’acronyme de Survey on Health, Ageing and Retirement in Europe, est sans nul doute une des plus grandes enquêtes jamais réalisées au niveau européen. Elle s'adresse à la population de 50 ans et plus, et a l'originalité d'être internationale, multidisciplinaire et longitudinale. Ces caractéristiques font de SHARE l'instrument indispensable pour mieux comprendre la réalité du vieillissement, ses implications sociales et économiques. Il devrait à terme permettre développer des politiques économiques à la fois plus efficaces et équitables tant à l’échelon national qu’européen. [less ▲]

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