References of "Paper published in a book"
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See detailA Framework For Humanoid Control and Intelligence
Platt, Robert; Brock, Oliver; Fagg, Andrew et al

in Proceedings of the IEEE International Conference on Humanoid Robots (2003)

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See detailA New Version of the Moment Method, Optimized for Mode Identification in Multiperiodic Stars
Briquet, Maryline ULg; Aerts, C.

in Asteroseismology Across the HR Diagram (2003)

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See detailTracking of Objects in Video Streams Using Points of Interest
Gabriel, Pierre; Piater, Justus ULg; Verly, Jacques ULg

in URSI Forum (2003)

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See detailL'interscripteur et le rhapsode
Servais, Christine ULg

in Parouty-David, Françoise; Zilberberg, Claude (Eds.) Sémiotique et esthétique (2003)

Detailed reference viewed: 41 (10 ULg)
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See detailThe State of the Art in Multiple Object Tracking Under Occlusion in Video Sequences
Gabriel, Pierre; Verly, Jacques ULg; Piater, Justus ULg et al

in Advanced Concepts for Intelligent Vision Systems (2003)

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See detailThe Darwin-GENIE Experiment: An ESA-ESO Partnership
Gondoin, Ph; Absil, Olivier ULg; Erd, C. et al

in Sembach, K. R.; Blades, J. C.; Illingworth, G. D. (Eds.) et al Hubble's Science Legacy: Future Optical/Ultraviolet Astronomy from Space (2003)

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See detailPhotometric Mode Identification in the Two Doradus Stars HD 12901 and HD 48501
Aerts, C.; Cuypers, J.; Dupret, Marc-Antoine ULg et al

in Asteroseismology Across the HR Diagram (2003)

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See detailLe contrat de travail sans papier
Kefer, Fabienne ULg

in Le droit des affaires en évolution. Le contrat sans papier (2003)

Detailed reference viewed: 85 (2 ULg)
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See detailFast multipole acceleration of the hybrid finite-element/boundary-element analysis of 3-D eddy-current problems
V Sabariego, Ruth ULg; Gyselinck, J.; Dular, Patrick ULg et al

in Proceedings of the 12th COMPUMAG Conference on the Computation of Electromagnetic Fields (2003)

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See detailSeismic performance of ductile steel moment resisting frames designed according to Eurocode 3 and Eurocode 8. First step for Eurocode 8 calibration.
Sanchez, L.; Plumier, André ULg

in Proceedings of the STESSA 2003 Conference (2003)

The paper discusses the components of reduction factor to be accounted for design purposes. A parametric study of moment resisting steel frames (MRSF) designed according Eurocode 3 (EC3) and Eurocode 8 ... [more ▼]

The paper discusses the components of reduction factor to be accounted for design purposes. A parametric study of moment resisting steel frames (MRSF) designed according Eurocode 3 (EC3) and Eurocode 8 (EC8) is performed. The structural supply of the designed structures exceeds largely the seismic demand in spite of the fact that Ultimate Limit State (ULS) verification of EC8 for MRSF is not conservative. The structural performance is poorly correlated with ULS verification of EC8 but with others code restrains and with parameters like base shear ratio or fundamental period. The practice that deduces the values of reduction factor on the observation of structural performance under past earthquake is not rationally based. This practice tends to make useless the ULS verification for structural systems like MRSF, in which structural performance is poorly correlated with the ULS verification. This practice is responsible of the unsafe values of reduction factors assigned in the seismic codes. [less ▲]

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See detailSept cas de réussite "atypique" éclairée par des données longitudinales familiales et scolaires
Schillings, Patricia ULg; Poncelet, Débora

in Actes du 16ème colloque international de l'ADMEE-Europe Evaluation: entre efficacité et équité (2003)

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See detailCellulose enzymatic availability in Municipal solid waste
Rodriguez, C.; Hiligsmann, Serge ULg; Ongena, MARC ULg et al

in Christensen; Cossu; Stegmann (Eds.) Proceedings Sardinia 03, Ninth International Waste Management and Landfill Symposium (2003)

We recently developed a new and rapid method to evaluate the biological reactivity of cellulose in Municipal Solid Waste (MSW). This test is based on the enzymatic hydrolysis of cellulose in MSW and can ... [more ▼]

We recently developed a new and rapid method to evaluate the biological reactivity of cellulose in Municipal Solid Waste (MSW). This test is based on the enzymatic hydrolysis of cellulose in MSW and can be related to the digestibility of this polymer in MSW. In this work, we showed that the enzymatic cellulose degradation test (ECD) correlated well with a Biochemical Methane Potential (BMP) assay so that the ECD test can be reliably applied to estimate cellulose bioavailability in various waste samples. These tests have also been used to evaluate the influence of some important parameters that could affect the extent and the rate of cellulose degradation in waste. It appeared that cellulose enzymatic hydrolysis is related to the moisture content but no clear relationship could be established with the cellulose content. Moreover, it is shown that acetic acid produced by the anaerobic degradation of organic matter, and responsible for high COD in young leachates, may slow down or inhibit the enzymatic hydrolysis step and the methanogenesis. [less ▲]

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See detailNon destructive analysis of a 16th manuscript from the Gospel Book of Robert Quercentius
Denoël, Sophie; Weber, Georges ULg; Allart, Dominique ULg et al

in Townsend, Joyce; Eremin, Katherine; Adriaens, Annemie (Eds.) Conservation Science 2002. Papers from the Conference held in Edinburgh, Scotland 22-24 May 2002 (2003)

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See detailVers l'élaboration d'un modèle d'ecobilan pour l'évaluation environnementale de l'agriculture au Maroc: Cas du périmètre irrigué du Tadla
Debouche, Charles ULg; Krim, LHassan

in Debouche, Charles; Fagroud, Mustapha; Debbarh, Abdelhafid (Eds.) et al Equilibre Agriculture-Environnement: Enjeux, outils et perspectives du conseil agricole (2003)

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See detailDéverouiller le potentiel de l'eau en agriculture
Klohn, Wulf; Mollinga, Peter; Paranjape, K.J. Joy et Suhas et al

in Déverouiller le potentiel de l'eau en agriculture (2003)

A l’occasion du troisième Forum mondial de l’eau (WWF-3), qui se tient à Kyoto, au Japon, du 16 au 23 mars 2003, l’Organisation des Nations Unies pour l’alimentation et l’agriculture (FAO) présente un ... [more ▼]

A l’occasion du troisième Forum mondial de l’eau (WWF-3), qui se tient à Kyoto, au Japon, du 16 au 23 mars 2003, l’Organisation des Nations Unies pour l’alimentation et l’agriculture (FAO) présente un panorama des thèmes prioritaires que doivent aborder les responsables agricoles du monde entier en matière de mise en valeur des eaux en agriculture, et plus généralement de leurs répercussions sur la gestion des ressources en eau. La FAO a inscrit sa participation aux débats du WWF-3 de Kyoto sous le mot d’ordre «déverrouiller le potentiel de l’eau en agriculture». En effet, tous les renseignements statistiques confirment que l’agriculture est le secteur clé de la gestion de l’eau, pour le présent comme pour les décennies à venir. Pourtant, le secteur de la mise en valeur rurale des eaux se voit actuellement refuser un statut prioritaire dans les forums internationaux, par comparaison avec d’autres domaines concurrents. Il manque pour l’heure aux acteurs qui soutiennent ce secteur une stratégie valide et une présentation valorisante qui leur permettraient de maintenir l’attention sur ces questions. Des arguments nouveaux et puissants sont nécessaires pour remettre la mise en valeur rurale des eaux sur les rails. [less ▲]

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See detailLingopti project: semi-continuous casting process of coper-nickel alloys
Pecquet, Etienne ULg; Pascon, Frédéric ULg; Lecomte-Beckers, Jacqueline ULg et al

in Dick, E.; Vierendeels, J.; Cantrijn, F. (Eds.) et al Proceedings of the 6th national congress on theoretical and applied mechanics (2003)

Lingopti project is a First Europe project. It treats semi-continuous casting of copper-nickel alloys ingots. The research, performed in the University of Liège, consists in the optimisation of the mould ... [more ▼]

Lingopti project is a First Europe project. It treats semi-continuous casting of copper-nickel alloys ingots. The research, performed in the University of Liège, consists in the optimisation of the mould and the whole casting process of the LBP S.A. company (Chênée – Liège) to obtain better cast products. In fact, cast products sometimes present long oscillation marks (λ ≈ 500mm) and some ingots have many internal cracks. The semi-continuous process consists in the vertical casting of 7m height ingots. The goal is also to test different chemical compositions of the material and to predict what happens on the casting process. [less ▲]

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See detailRepresentation of the « watermanship » and self-perception of swimming level in elementary school children
Cloes, Marc ULg; Noël, Dominique; Michel, Vincent et al

in Sena Lino, L.; Trindade Ornelas, R.; Carreiro da Costa, F. (Eds.) et al Innovation and New Technologies in Physical Education, Sport, Research and/on Teacher and Coach Preparation (2003)

Swimming is one of the most common sports activities in Walloon region as in many countries (Bodson, 1997). According to Boullé (1999) swimming courses concern various sectors of practice: the awakening ... [more ▼]

Swimming is one of the most common sports activities in Walloon region as in many countries (Bodson, 1997). According to Boullé (1999) swimming courses concern various sectors of practice: the awakening (blooming of the person), the discovery (educational purposes), the improvement (to pass a test or to carry out a performance), the leisure and maintenance (relaxation or improvement of the form and health), the practice in natural environment. Additionally, swimming is a prerequisite to other sports and cultural activities. Considering its place in individual safety, education, health and leisure, its importance in child and youth development is unchallenged. [less ▲]

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See detailElevated atmospheric CO2 influences ammonia oxidiser community structure and net nitrification
Carnol, Monique ULg; Malchair, Sandrine ULg

in International Symposium: Structure and Function of Soil Microbiota, Philipps-University Marburg, Germany, September 18-20, 2003 (2003)

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See detail«Paolo Giovio e Francesco Guicciardini»
Moreno, Paola ULg

in Pasquini, Emilio; Prodi, Paolo (Eds.) Bologna nell’età di Carlo V e di Guicciardini. (2003)

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See detailTacite et Suétone : étude linguistique comparative et genres littéraires
Longrée, Dominique ULg

in Longrée, Dominique; Lachenaud, Guy (Eds.) Grecs et Romains aux prises avec l'histoire, Représentations, récits et idéologie (2003)

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See detailThe identification of experimental microscopic hafting traces on lithic tools
Rots, Veerle ULg

in Le Sécretariat du Congrès (Ed.) Sessions Générales et Posters / General Sessions and Posters. Acts of the XIVth UISPP Congress University of Liège, Belgium, 2 – 8 September 2001 (2003)

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See detailApparition et maintien de la turbulence chez les enfants de 3 à 10 ans. Quelles solutions?
Born, Michel ULg; Boët, Sylvie

in Drenkhahn, Kirstin (Ed.) Violence juvénile : nouvelles formes et stratégies locales - expéciences à l'est et à l'ouest (2003)

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See detailPurificazione delle proteine associate alla gestazione (PAG) nella bufala (Bubalus bubalis): risultati preliminari.
Barbato, O.; Melo de Sousa, Noelita ULg; Malfatti, A. et al

in Atti 2o Congresso Nazionale sull’Allevamento del Bufalo (2003)

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See detailVerbes centraux du dispositif des chartes médiévales : essai d'analyse
Boutier, Marie-Guy ULg

in Sánchez Miret, Fernando (Ed.) Actas del XXIII Congreso internacional de lingüística y filología románica (2003)

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See detailLe traitement et la gestion du cheval hépatique
Amory, Hélène ULg

in Proceedings of the Annual meeting of the French Equine Veterinary Association (AVEF) (2003)

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See detailValidating structural models in non-linear dynamics
Kerschen, Gaëtan ULg; Golinval, Jean-Claude ULg

in 6ème congrès national de Mécanique Th. et App., Gent, 2003 (2003)

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See detailA comparative analysis of non-fickean thermodiffusion by EIT and GENERIC
Lebon, Georgy ULg; Desaive, Thomas ULg; Colinet, P.

in 1st international exergy, energy and environment symposium (2003)

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See detailUsing artificial neural networks to estimate rotor angles and speeds from phasor measurements
Del Angel, Alberto; Glavic, Mevludin; Wehenkel, Louis ULg

(2003)

This paper deals with an improved use of phasor measurements. In particular, the paper focuses on the development of a technique for estimation of generator rotor angle and speed, based on phasor ... [more ▼]

This paper deals with an improved use of phasor measurements. In particular, the paper focuses on the development of a technique for estimation of generator rotor angle and speed, based on phasor measurement units, for transient stability assessment and control in real-time. Two multilayered feed-forward artificial neural networks are used for this purpose. One for the estimation of rotor angle and another for the estimation of rotor speed. The validation has been made by simulation in a power system because techniques for the direct measurement were not available. Results obtained with the help of a simple one machine to infinite bus system are presented and compared against those obtained using analytical formulas derived from the generator classical model. [less ▲]

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See detailThe effect of race training on biochemical bone markers in young thoroughbreds
Carstanjen, B; Lepage, OM; Sulon, J et al

in Proceedings of the 13th annual scientific meeting of the ECVS (2003)

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See detailOrion : de la météorologie à la mythologie
Renaud, Jean-Michel ULg

in Cusset, Christophe (Ed.) La météorologie dans l'Antiquité : entre science et croyance. Actes du Colloque International Interdisciplinaire de Toulouse. 2-3-4 mai 2002 (2003)

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See detailEspace construit
Frankignoulle, Pierre ULg

in Lask, Tomke (Ed.) Constructions sociales de l'espace. Les territoires de l'anthropologie de la communication. (2003)

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See detailInfluence of social and non-social environmental enrichment on the behaviour of caged rabbits.
Vandenheede, Marc ULg; Halloy, D.

in Ferrante, V. (Ed.) Proceedings of the 37th International Congress of the International Society for Applied Ethology (2003)

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See detailHyperthermie chez le cheval: Approche diagnostique clinique
Amory, Hélène ULg

in Proceedings of the Annual meeting of the French Equine Veterinary Association (AVEF) (2003)

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See detailProgesterone, cortisol and pregnancy-associated glycoprotein concentrations in three aborted cows
Alomar, M.; Sulon, J.; El Amiri, B. et al

in Proceedings of the 8e Journée de rencontre Bioforum (2003)

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See detailPhysical processes study in the transition zone of the Northwest African upwelling: climatological data analysis
Elmoussaoui, Abdellali; Djenidi, Salim ULg; Kostianoy, Andrey

(2003)

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See detailThe Herschel-PACS Grating Drive and its controller
Renotte, Etienne ULg; Callut, Eric ULg; Guiot, Marc ULg et al

(2003)

The Photodetector Array Camera and Spectrometer (PACS), on board the Herschel Space Observatory, is designed for imaging and spectroscopy in the wavelength region between 60 and 210 gm. This paper reports ... [more ▼]

The Photodetector Array Camera and Spectrometer (PACS), on board the Herschel Space Observatory, is designed for imaging and spectroscopy in the wavelength region between 60 and 210 gm. This paper reports the design of the grating cryogenic mechanism of the PACS spectrometer and its remote controller (DEC/MEC) located on the outside of the Herschel cryostat. The PACS grating shall be capable of accurate positioning (4 arcsec) within a large angular stroke (40 arcdeg) in cryogenic environment (4.2 K). Technologies of actuators, position sensors, pivots, dry lubricants, servo-control and cryogenic test set-up are presented. At the other end of the Herschel 10-meter high-impedance cryogenic harness, the DEC/MEC consists of DSP processor-based electronics that control and synchronise the cold focal plane mechanisms and infrared detector arrays. The DEC/MEC operates an on board software running under a real-time operating system. Technologies involved in the control electronics are discussed and correlated to validation tests conducted with actual hardwares. [less ▲]

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See detailValidation of ENVISAT-1 Level-2 Products Related to Lower Atmosphere O3 and NOy Chemistry by a FTIR Quasi-global Network
De Mazière, Martine; Coosemans, Thierry; Barret, Brice et al

in Proceedings of Envisat Validation Workshop, Frascati, Italy, December 9-13, 2002, ESA SP-531, 2003 (2003)

A coordinated action involving eleven stations of the ground -based Network for Detection of Stratospheric Change (NDSC) equipped with Fourier transform infrared (FTIR) instruments was conducted to ... [more ▼]

A coordinated action involving eleven stations of the ground -based Network for Detection of Stratospheric Change (NDSC) equipped with Fourier transform infrared (FTIR) instruments was conducted to contribute to the validation of the three atmospheric chemistry instruments onboard ENVISAT, that are MIPAS, SCIAMACHY and GOMOS. The target products for validation are total columns of O3, CH4, CO and some important NOy species (NO2, HNO3, NO) and the source gas N2O. Together the eleven stations cover the latitudes between 79 °N and 78°S, including polar, mid-latitude and subtropical and tropical locations. The goal is to contribute to the assessment of the data quality of the aforementioned ENVISAT instruments, from a quasi -global perspective. The period of intensive ground-based data collection for the benefit of the ENVISAT Validation Commissioning Phase that is dealt with in the present paper is July 15 to December 1, 2002. The FTIR network involved collected a data set corresponding to an equivalent of approximately 400 days of measurements; about three quarter of the data have already been submitted to the ENVISAT Calval database and are included in the present work. Unfortunately, the distribution of ENVISAT data has been slow and limited. Only a limited number of coincidences has been found for making data inter -comparisons. Therefore, the conclusions drawn in this paper are very preliminary and cover only a limited set of data products from SCIAMACHY only. Our findings up to now concerning the above mentioned target products are the following: (1) SCIAMACHY near infrared operational products (CO, CH4, N 2O) have no scientific meaning yet, (2), the operational SCIAMACHY total vertical O3 column product derived in the ultraviolet window has undergone some improvements with changing versions of the processor(s) but it still underestimates the column by about 5 – 10 %, (3), the operational SCIAMACHY total vertical O3 column product derived in the visible window is unrealistically large, and (4), the operational NO2 total column product from SCIAMACHY seems to largely overestimate the real column, but very few coincidences and large dispersions of the data do inhibit any further conclusion at present. In a next phase, the same ground-based correlative data set will be exploited to further validate the ENVISAT data as soon as more and reprocessed data will be distributed. [less ▲]

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See detailT cell subsets in the respiratory tract of dogs without respiratory disease : preliminary results.
Peeters, Dominique ULg; Day, M. J.; Moore, P. et al

in Proceedings of the 13th Annual Congress of the ECVIM-CA (2003)

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See detailKarsts en roches cristallines silicatées non carbonatées.. Cas dans les métagabbros : grotte de Guessédoundou, Niger occidental
Willems, Luc ULg; Pouclet, André; Vicat, Jean-Paul

in Rodet, Joël (Ed.) Actes des Journées Européennes de l'AFK 2003 (2003)

Since the Seventies, a séries of phenomena developed in non carbonated silicated rocks question the traditional vision of karst. The term of karst is used in the meaning of "any feature of the classical ... [more ▼]

Since the Seventies, a séries of phenomena developed in non carbonated silicated rocks question the traditional vision of karst. The term of karst is used in the meaning of "any feature of the classical karst morphology (caves, sink-holes, lapiaz...) where dissolution plays the main genetic action and this in any kind of rocks". The cave of Guéssédoundou illustrâtes a karst in métagabbros. It opens at the top of a small hill, in a dépression twenty meters long and three to four meters deep. The walls of this dépression are subvertical and the bottom is partially occupied by angular pluridecimetric blocks. The cave is opened on several meters in the southern side of the dépression and is prolonged in the form of too narrow conduits to be explore. The bedrock is a metagabbro with fine grains, slightly weathered, crossed by decimetric quartzose veins. Gabbroïc texture is preserved, as well as part of magmatic plagioclases. The remainder is transformed into a mixture of white feldspar and clinozoisite. Pyroxene are pseudomorphosed in actinote and chlorite. The site dépression was created along a N 10° shear zone where rocks suffered important fracturation and fluid transfers, as shown by its silification and ferruginisation.. Moreover, a East-West schistosity, former to shearing, structures the gabbro. The présence of angular blocks of variable size and the absence of human activity trace on the site show that the dépression was formed naturally by collapse of the roof of a more vast cavity whose current cave would be the visible residual prolongation. The absence of flow traces and mechanical abrasion means that this cavity is due only to chemical érosion . At the cave entry and on the subvertical walls of the dépression were formed by alveoli a few centimètres to a few décimètres in diameter. Thèse alveoli of wall are known in other lithologies, in particular in limestones. The absence of salts within the rock draws aside a formation by sait weathering. The smooth aspect and non fractured walls of the cells cannot resuit from a corrosion to a fracturing node. The closed aspect of the dépression and the absence of flow trace eliminate the assumptions from formation by water swirls or eolisation. The genesis of the cave must be earlier to the installation of a weathering cover since the rock is little deteriorated and the alveoli are not developed on a quite particular level which would correspond to a précise pedogenic horizon. Only a generalized dissolution of the métagabbros, in relation to a slow solution circulation, being carried out with the favour of the fracturing plans of the shearing zone makes it possible to explain the formation of the alveoli. The inversion of relief results from a weaker érosion of the rocks made more résistant to this place by the quartz seam mainstay and by the ferruginisation along the shearing zone. In the other hand, the crushed rocks, become porous, drained the infiltrations of meteoric water, facilitating the dissolution processes. The study of the site of Guéssédoundou shows that karstic phenomena can also exist in silico-aluminous formations of crystalline rocks. [less ▲]

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See detailCandidate VLTI Configurations for the GENIE Nulling Experiment
Absil, Olivier ULg; Gondoin, P.; Erd, C. et al

in Deming, Drake; Seager, Sara (Eds.) Scientific Frontiers in Research on Extrasolar Planets (2003)

The European Space Agency (ESA) and the European Southern Observatory (ESO) initiate a definition study for a Ground-based European Nulling Interferometer Experiment (Darwin-GENIE). The experiment will ... [more ▼]

The European Space Agency (ESA) and the European Southern Observatory (ESO) initiate a definition study for a Ground-based European Nulling Interferometer Experiment (Darwin-GENIE). The experiment will use the Very Large Telescope Interferometer (VLTI) operating on Mount Paranal (Chile). The objective of GENIE is to gain experience in the manufacture and operation of a nulling interferometer using a design concept and technology representative of the ESA IRSI-Darwin space mission. GENIE will prepare the IRSI-Darwin science program through a systematic search for exozodiacal dust clouds around IRSI-Darwin candidate targets. GENIE also aims to perform IRSI-Darwin related science achievable from ground including the detection of low-mass companions (if possible, hot jupiters) around nearby stars. Among the variety of telescope sizes and positions on the VLTI site, candidate interferometric configurations have been identified for GENIE, taking into account the limitation imposed by the Earth's atmosphere. They include a Bracewell interferometer for exozodiacal clouds detection in the N band and a double Bracewell configuration with internal modulation for extrasolar jupiter detection in the L' band. The present paper presents the prospective performance of these configurations in light of current specifications of major VLTI subsystems. [less ▲]

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See detailFengycin penetration into a DPPC monlayer: a study using the Langmuir trough technique with the Brewster angle microscopy
Deleu, Magali ULg

in International symposium on surface and colloid chemistry for the life sciences (2003)

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See detailEtude des impacts hydrauliques, sédimentologiques et écologiques liés aux travaux hydrauliques sur la Semois
Gob, Frédéric ULg; Houbrechts, Geoffrey ULg; Mols, Julien et al

in Schmitz, Serge (Ed.) Les Journées des Géographes Belges: Evaluer la capacité du milieu (2003)

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See detailConvection de Bénard-Marangoni en régime oscillant
Dondlinger, Mireille; Dauby, Pierre ULg

in Proceedings du 16ème Congrès français de mécanique, Nice, 1-5 septembre 2003 (2003)

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See detailSWAP: Sun watcher using APS detector on-board PROBA-2, a new EUV off-axis telescope on a technology demonstration platform
Defise, Jean-Marc ULg; Berghmans, David; Hochedez, Jean-Francois E et al

in Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series (2003)

SWAP (Sun Watcher using Active Pixel System detector and Image Processing) is an instrument that has been selected to fly on the PROBA-II technology demonstration platform, a program of the European Space ... [more ▼]

SWAP (Sun Watcher using Active Pixel System detector and Image Processing) is an instrument that has been selected to fly on the PROBA-II technology demonstration platform, a program of the European Space Agency (ESA) to be launched in 2006. This paper presents the instrument concept and its scientific goals. SWAP uses an off-axis Ritchey Chretien telescope that will image the EUV solar corona at 19.5 nm on a specifically fabricated extreme ultraviolet (EUV) sensitivity enhanced CMOS APS detector. This type of detector has advantages that promise to be very profitable for solar EUV imaging. The SWAP design is built on a similar concept as the MAGRITTE instrument suite for the NASA Solar Dynamics Observatory (SDO) mission to be launched in 2007. The optics have been adapted to the detector size. The SWAP PROBA-2 program will be an opportunity to demonstrate and validate the optical concept of MAGRITTE, while it will also validate space remote sensing with APS detectors. On the science outcomes, SWAP will provide solar corona images in the Fe XII line on a baselined 1-min cadence. Observations with this specific wavelength allow detecting phenomena, such as solar flares or 'EIT-waves", associated with the early phase of coronal mass ejections. Image recognition software will be developed that automatically detects these phenomena and sends out space weather warnings. Different modules of this software will run both on the ground system as well as on the onboard computer of PROBA II. The SWAP data will complement the observations provided by SOHO-EIT, and STEREO-SECCHI. [less ▲]

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See detailPour une histoire de l'affiche
Duchesne, Jean-Patrick ULg

in Actes du colloque Le conservateur et l'affiche (2003)

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See detailUtilisation de boîtiers de vote électroniques lors de travaux pratiques et travaux dirigés de biologie (niveau 1ère candidature)
Noel-Lambot, F.; Detroz, Pascal ULg

in Les technologies de l'information et de la communication : mutations dans la formation scientifique universitaire : actes du colloque CIRUISEF-AUF, Dakar, mars 2003 (2003)

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See detailPion Structure Function and violation of the Momentum Sum Rule
Lansberg, Jean-Philippe ULg; Bissey, F.; Cudell, Jean-René ULg et al

in Blin, A. H.; Hiller, B.; Ruivo, M. C. (Eds.) et al Hadron Physics: Effective Theories of Low Energy QCD N°2 (2003)

We present a method to evaluate the pion structure functions from a box diagram calculation. Pion and constituent quark fields are coupled through the simplest pseudoscalar coupling. The gamma^* pi -> q ... [more ▼]

We present a method to evaluate the pion structure functions from a box diagram calculation. Pion and constituent quark fields are coupled through the simplest pseudoscalar coupling. The gamma^* pi -> q \bar q cross-section is evaluated and related to the structure functions. We then show that the introduction of non-perturbative effects, related to the pion size and preserving gauge invariance, provides us with a straighforward relation with the quark distribution. It is predicted that higher-twist terms become negligible for Q^2 larger than about 2 GeV^2 and that quarks in the pion have a momentum fraction smaller than in the proton. We enlarge the discussion concerning this violation of the momentum sum rule, emphasizing that the sum rule is recovered in the chiral limit and also when the finite size condition is not imposed. [less ▲]

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See detailFeeding behaviour of weaned pigs fed either pellets or meal: effects of the number of animals per feeding place
Laitat, Martine ULg; Vandenheede, Marc ULg; Desiron, Alain et al

in Ferrante, V. (Ed.) Proceedings of the 37th International Congress of the International Society for Applied Ethology (2003)

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See detailMale hypogonadism caused by insolated LH deficiency : From pathology to gene, from gene to physiology
Valdes Socin, Hernan Gonzalo ULg; Salvi, R.; Pralong, F. et al

in The 85th Annual Meeting of the Endocrine Society - Abstract book (2003)

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See detailExperimental and numerical study on mechanoregulation of tissue differentiation around a loaded implant in a bone chamber
Van Oosterwyck; Geris, Liesbet ULg; Duyck, Joke et al

in Bischoff, G.; Hein, H.-J. (Eds.) Proceedings of the seventh conference of ESEM (2003)

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See detailStability analysis of Bénard-Marangoni convection in the case of cooling from below
Dondlinger, Mireille; Dauby, Pierre ULg

in Proceedings du 6ème Congrès National de Mécanique théorique et appliquée (NCTAM-2003), Gent (Belgium), 26-27 may 2003 (2003)

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See detailComparaison of three supplements high in linseeds or linseed oil in dairy cows
Cabaraux, Jean-François ULg; Marche, C.; Hornick, Jean-Luc ULg et al

in Book of absracts of the 54th Annual Meeting of the European Association for Animal Production (2003)

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See detailUn « Front populaire » en Belgique ? L’inexportable exemple français
Lanneau, Catherine ULg

in Les courants politiques et la Résistance : continuités ou ruptures? (2003)

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See detailLong-term prognosis of congestive heart failure in patients with acromegaly
Bihan, H.; Valdes Socin, Hernan Gonzalo ULg; Levasseur, S. et al

in The 85th Annual Meeting of the Endocrine Society - Abstract book (2003)

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See detailKarsts en roches non carbonatées - l'exemple des quartzites et des itabérites de Minas Gerais, Brésil
Willems, Luc ULg; Rodet, Joël; Auler, Augusto et al

in Rodet, Joël (Ed.) Actes des Journées Européennes de l'AFK 2003 (2003)

The state of Minas Gérais, Brazil, contains numerous karsts booth inside carbonated and non carbonated rocks. Différent caves are found in quartzite and Itaberite formations (Banded Iron formation). The ... [more ▼]

The state of Minas Gérais, Brazil, contains numerous karsts booth inside carbonated and non carbonated rocks. Différent caves are found in quartzite and Itaberite formations (Banded Iron formation). The term karst is used in the meaning of "any features of the classical karst morphology (caves, sink-holes, lapies...) where dissolution plays the main genetically action and this in any kind of rocks". In some areas, lapiaz and kamenitza affect wide landscapes (area of Diamantina, Natural Parc of Rio Preto). Several caves are found and some of these are several kilomeetres long (grutta do Bromelias, Natural Parc of Ibitipoca). Inside caves, we found numerous forms like dissolution alveoli, spelothems, .... Many times, the cave sides and solutional forms are covered by crust which solidify a very crumbly quartzite. Différent morphologies show an primary solutional stage of the rocks before a physical erosional stage which destroy the earliest forms (piping, river érosion, collapsing). [less ▲]

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See detailAuto-associantive neural networks, Part I: Replacement of missing sensor values,
Kerschen, Gaëtan ULg; Golinval, Jean-Claude ULg

in 8th Internationale Conference on Recent Advances in Structural Dynamics, Southampton, 2003 (2003)

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See detailManagement of hypercalcemia from Parathyroid Carcinoma by immunisation
Betea, Daniela ULg; Bradwell, A. R.; Valdes Socin, Hernan Gonzalo ULg et al

in 6th European Congress of Endocrinology - Abstract book (2003)

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See detailThe Tricolor incident: Pathology, age composition and sex ratio of stranded birds
Jauniaux, Thierry ULg; Masure, S.

in meeting report (2003)

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See detailAuto-associative neural networks, Part II: Feacture extraction for non-linear model updating
Kerschen, Gaëtan ULg; Golinval, Jean-Claude ULg

in 8th Internationale Conference on Recent Advances in Structural Dynamics, Southampton, 2003 (2003)

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See detailSpatial processes in landscape transformation: definition, classification and detection.
Bogaert, Jan ULg; Ceulemans, R; Van Eysenrode Salvador, D

in Abstracts of the IALE World Congress 2003. (2003)

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See detailL'opération RESSAC : diagnostic métacognitif avant la période de 'bloque'
Leclercq, Dieudonné ULg; Detroz, Pascal ULg; Dupont, Chantal ULg et al

in Actes du 16ème colloque international de l'ADMEE-Europe, 4-6 septembre 2003 (2003)

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See detailUnequal Lovers at the laboratory. Non-destructive analyses of a sixteenth century Netherlandish painting
Oger, Cécile ULg; Allart, Dominique ULg; Fraiture, Pascale et al

in Townsend, Joyce; Eremin, Katherine; Adriaens, Annemie (Eds.) Conservation Science 2002. Papers from the Conference held in Edinburgh, Scotland 22-24 May 2002 (2003)

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See detailInvestigation of transverse cracks initiation in continuous steel casting using a finite element approach
Castagne, S.; Habraken, Anne ULg

in Advances in Computational & Experimental Engineering (2003)

A numerical model for steel at elevated temperature which is based on a mesoscopic finite element approach is presented. The objective of the research is the analysis of damage evolution in the material ... [more ▼]

A numerical model for steel at elevated temperature which is based on a mesoscopic finite element approach is presented. The objective of the research is the analysis of damage evolution in the material using information from the macroscopic and microscopic scales. As a final application our results are used to study the industrial process of continuous casting of low carbon steel. [less ▲]

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See detailStudy of the behaviour of welded joints between elliptical hollow sections
Pietrapertosa, C.; Jaspart, Jean-Pierre ULg

in Proceedings of the 10th International Symposium on Tubular Structures (2003)

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See detailPlace de la thérapie active de reconditionnement à l’effort aérobie chez le patient fibromyalgique
Maquet, Didier ULg; Croisier, Jean-Louis ULg; Crielaard, Jean-Michel ULg

in Actes du Symposium « Kinésithérapie passive ou active » de la Fédération Nationale des Docteurs et Licenciés en Kinésithérapie (2003)

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See detailEnergies libres de surface des solides et des liquides: une approche de la compréhension des phénomènes interfaciaux
Courard, Luc ULg; Michel, Frédéric ULg

in Gagné, Richard (Ed.) Compte-rendu des Journées Scinetifiques du (RF)2B (2003)

Les propriétés de surface des matériaux conditionnent leur aptitude au mélange et à la réalisation de composites incluant deux ou plusieurs types de milieux différents. A coté des liaisons chimiques ... [more ▼]

Les propriétés de surface des matériaux conditionnent leur aptitude au mélange et à la réalisation de composites incluant deux ou plusieurs types de milieux différents. A coté des liaisons chimiques proprement dites et des aspects liés à l’interpénétration mécanique des matériaux, la thermodynamique des équilibres constitue une étape fondamentale pour comprendre les interactions potentielles au niveau de l’interface nouvellement créé. La loi de YOUNG-DUPRE, qui s’applique à l’équilibre entre une surface solide et un liquide, décrit les interactions qui se créent sur base des énergies libres des surfaces solides et liquides, de la tension interfaciale et de l’angle de contact solide - liquide. Les résultats présentés auront trait principalement au problème de la réparation des bétons et de la compatibilité des produits de réparation. [less ▲]

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See detailGéographie et science de l’information géographique
Donnay, Jean-Paul ULg

in Quelle géographie enseigner demain à l’Université ? (2003)

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See detailMise au point d’une procédure de caractérisation quantitative des surfaces démolies en béton en vue de travaux de réfection
Bélair, Normand; Bissonnette, Benoît; Courard, Luc ULg

in Progression de la recherche québécoise sur les ouvrages d'art (2003)

Cet article présente l’état d’avancement d’un projet visant le développement et la validation d’une technique permettant de caractériser de façon quantitative l’intégrité mécanique d’une surface en béton ... [more ▼]

Cet article présente l’état d’avancement d’un projet visant le développement et la validation d’une technique permettant de caractériser de façon quantitative l’intégrité mécanique d’une surface en béton préparée (démolie) aux fins de travaux de réfections superficielles. Dans un premier temps, une étude de l’influence des variables de base (taille des pastilles métalliques, profondeur de forage, nature de l’adhésif, etc.) relatives à l’essai d’arrachement sur la cohésion du béton a été réalisée afin d’optimiser la procédure expérimentale. De plus, les performances comparatives de deux dispositifs d’essai disponibles commercialement ont été évaluées afin d’identifier l’appareil le mieux adapté (facilité et rapidité d’exécution, efficacité, reproductibilité, coût, etc.). Afin de valider le protocole expérimental retenu et d’évaluer quantitativement les effets du mode de démolition, des essais d’arrachement ont été réalisés en laboratoire sur une série d’éléments en béton dont la surface a été préparée au moyen de différentes méthodes de préparation, notamment le marteau pneumatique, la scarification, le jet de sable et le jet d’eau. Une technique de caractérisation quantitative de la rugosité de surface a également été élaborée. Sur la base de ces essais, il est possible d’établir l’influence du mode de démolition sur l’intégrité mécanique de la surface obtenue et d’émettre des recommandations préliminaires. [less ▲]

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See detailNumerical modelling of metal forming - current practice and advanced applications
Cescotto, Serge ULg; Duchene, Laurent ULg; Pascon, Frédéric ULg et al

in Iu, V. P.; Lamas, L. N.; Li, Y. P. (Eds.) et al Computational Methods in Engineering and Science, lu et al. (eds), Proceedings of the 9th International Conference of enhancement and Promotion of Computing Methods for Engineering and Science (2003)

This paper first summarizes the current possibilities and the perspectives of effective modeling of metal forming processes. Practical considerations on manpower requirement and data availability are ... [more ▼]

This paper first summarizes the current possibilities and the perspectives of effective modeling of metal forming processes. Practical considerations on manpower requirement and data availability are included in the discussion. Then, two examples of advanced applications are presented: the micro-macro approach for the modeling of sheet metal forming and the modeling of continuous casting. [less ▲]

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See detailDeux approches contrastées our développer les compétences transversales dans les grands groupes universitaires
Leclercq, Dieudonné ULg; Marotte, Paul; Simon, Fabienne et al

in Beauchesne, André; Boutin, Noël; Mathieu, Sylvie (Eds.) et al Le congrès «L'Université au service de l'apprentissage : à quelles conditions?» (2003)

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See detailEmotional Processing in Down Syndrome
Catale, Corinne ULg; Hogge, Michaël; Meulemans, Thierry ULg et al

in Books of Abstracts: 13th conference of the European Society for Cognitive Psychology (2003)

In addition to mental retardation, Down Syndrome (DS) children present emotional deficits. Some authors have suggested that the emotional deficits observed in DS can be related to developmental changes ... [more ▼]

In addition to mental retardation, Down Syndrome (DS) children present emotional deficits. Some authors have suggested that the emotional deficits observed in DS can be related to developmental changes. However, the link between emotion and cognitive processing remains unclear.This study aims to assess the relationships between emotional and cognitive processing in DS children. More specifically, we wanted to assess whether cognitive development could predict emotional deficits. Eighteen children DS and 18 chronological age-matched (CA) children were presented with emotional tasks designed to tap their abilities (i) to label emotion through emotional faces and prosody, (ii) to attribute, from stories, cognitive and emotional states to characters and (iii) to process face identity and gaze behaviour. Cognitive functioning was assessed including attentional treatment, visuo-spatial working memory, receptive language and logical reasoning. The results confirmed that DS performed worse on both cognitive and emotional tasks than CA children. There are also strong correlations between cognitive (including language and logical reasoning measures) and emotional measures. These results suggest that emotional troubles in DS are related to their global cognitive development; they also suggest that the degree of mental retardation can predict the importance of emotional deficits in DS. [less ▲]

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See detailConfinement and cut-off: A model for the Pion Quark Distribution Function
Stassart, Pierre ULg; Bissey, F.; Cudell, Jean-René ULg et al

(2003)

The pion structure function is investigated in a simple pseudo-scalar coupling model of pion and constituent quark fields. The imaginary part of the forward Compton scattering amplitude is evaluated. We ... [more ▼]

The pion structure function is investigated in a simple pseudo-scalar coupling model of pion and constituent quark fields. The imaginary part of the forward Compton scattering amplitude is evaluated. We show that the introduction of non-perturbative effects, linked through a cut-off to the size of the pion, allows the reproduction of important features of the pion quark distribution function. [less ▲]

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See detailVariable Blue Stragglers and the EASE Scenario
Noels-Grötsch, Arlette ULg; Scuflaire, Richard ULg; Magain, Pierre ULg et al

in Thompson, M. J.; Cunha, M. S.; Monteiro, M.J.P.F.G. (Eds.) Asteroseismology Across the HR Diagram (2003)

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See detailL’espace, l’individu et la territorialisation
Gauthier, Jean-Marie ULg; Bonfils, Serge; Koskas, Alain et al

in Gorot, Jacques; Bucalo-Triglia, Adèle (Eds.) L’espace de la relation : le réel et l’imaginaire (2003)

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See detailA probabilistic approach to power system network planning under uncertainties
Vassena, Stefano; Mack, Philippe; Druet, Christophe et al

in Proceedings of the IEEE Bologna Power Tech Conference (2003)

This work proposes a methodology and a practical tool for the study of long-term network planning under uncertainties. In this approach the major external uncertainties during the planning horizon are ... [more ▼]

This work proposes a methodology and a practical tool for the study of long-term network planning under uncertainties. In this approach the major external uncertainties during the planning horizon are modeled as macroscenarios at different future time instants. On the other hand, the random nature of actual operating conditions is taken into account by using a probabilistic model of microscenarios based on past statistics. Massive Monte-Carlo simulations are used to generate and simulate a large number of scenarios and store the detailed results in a relational database. Data mining techniques are then applied to extract information from the database so as to rank scenarios and network reinforcements according to different criteria. [less ▲]

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See detailFormer des étudiants de première candidature universitaire à des compétences transversales : lesquelles et comment ?
Leclercq, Dieudonné ULg

in L'école, dans quel(s) sens ? Actes du 2e congrès des chercheurs en éducation, Louvain-la-Neuve, 12-13 mars 2002 (2003)

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See detailLa qualité différenciée
Burny, Philippe ULg

in Centre de Recherches agronomiques de Gembloux (CRA) (Ed.) 3ème journée Productions porcines et avicoles "Vers une politique de qualité, à quel prix ?", Gembloux, 8 octobre 2003 (2003)

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See detailL'Europe gravettienne
Otte, Marcel ULg; Noiret, Pierre ULg

in Desbrosse, René; Thévenin, André (Eds.) Préhistoire de l'Europe. Des origines à l'âge du Bronze (2003)

The Gravettian tradition appears to develop from local Mousterian and different cultures at the beginning of the European Upper Palaeolithic (Chatelperronian in the west, foliate points in the north and ... [more ▼]

The Gravettian tradition appears to develop from local Mousterian and different cultures at the beginning of the European Upper Palaeolithic (Chatelperronian in the west, foliate points in the north and the Streletskaian in the east). New technological characteristics proper to the Gravettian developed in different regions of middle Europe, apparently around the same time: thin, standardised blades, development of small backed armatures. The Gravettian is thus a pan-European phenomenon, extending across middle Europe, but developing locally. Development within the Gravettian is quite complex, with regional areas of expansion of processes varying according to the phase or facies considered. The Moldavian sequence is key to understanding the regional development of the Gravettian. It can be integrated with that of central and eastern Europe. General developmental tendencies appeared here, connecting regional patterns with traditional roots. The Gravettian culture can thus be considered a collection of technological processes probably adopted by diverse ethnic groups which nevertheless were in regular contact. During the Second Pleniglacial, important climatic changes provoked a division between central and western groups, leading to profound differences between south-eastern Europe (Ukraine, the Carpathian region, the Balkans) and western Europe (Solutrean-Magdalenian succession). [less ▲]

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See detailSurface Mapping of the he & SI Distribution of Four B Stars
Briquet, Maryline ULg; Luftinger, Teresa; Aerts, Conny et al

in Astrotomography, 25th meeting of the IAU, Joint Discussion 9, 17 July 2003, Sydney, Australia (2003)

In the framework of a long-term high-resolution spectroscopic monitoring campaign of slowly pulsating B stars we have discovered four spotted mid-B main-sequence stars exhibiting clear line-profile ... [more ▼]

In the framework of a long-term high-resolution spectroscopic monitoring campaign of slowly pulsating B stars we have discovered four spotted mid-B main-sequence stars exhibiting clear line-profile variability of selected He and Si lines. We derive the rotational period which is of the order of 1-2 days of these stars with a high precision. We perform surface mapping which allows us to derive the distribution of the helium and silicon on the stellar surface. We find evidence for the presence of large spots in all four stars. He overabundance is accompanied with Si underabundance or vice versa in the spots. Our data are usefull to test current diffusion theories which have been developed for spotted A-type stars. Our stars have effective temperatures around 17000K which makes them among the hottest known so far with such clear spotted patterns. It would be most valuable to have magnetic field measurements for the four stars in order to explain the surface element distribution. [less ▲]

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See detailConclusions fictives. Comment peut-on être francophone?
Demoulin, Laurent ULg

in Bertrand, Jean-Pierre; Gauvin, Lise (Eds.) Littérature mineures en langue majeure: Québec/Wallonie-Bruxelles (2003)

Comparaison de l'attitude critique des spécialistes de la littérature belge et des spécialistes de la littérature québécoise.

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See detailMonitoring the odour of compost as a process variable
Romain, Anne-Claude ULg; Kuske, M.; Nicolas, Jacques ULg

in Kleperis, janis (Ed.) book of abstracts of the 10th international symposium on olfaction and electronic nose (2003)

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See detail2D1/2 thermo-mechanical model of continuous casting using FEM
Pascon, Frédéric ULg; Habraken, Anne ULg

in Brucato, V. (Ed.) Proceedings of the 6th International ESAFORM Conference on Material Forming (2003)

Two complementary approaches of steel continuous casting modelling using the finite element code LAGAMINE have been developed in the M&S Department. The first one (at a macroscopic scale) describes the ... [more ▼]

Two complementary approaches of steel continuous casting modelling using the finite element code LAGAMINE have been developed in the M&S Department. The first one (at a macroscopic scale) describes the whole continuous casting process, from the free surface in the mould and through the entire machine, including thermal and mechanical behaviour of the steel. The second approach focuses on the prediction of cracks and is developed at grain scale. We present in this paper a description of the context in which the study started, the description of the macroscopic approach and some results. [less ▲]

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See detailDu texte de circonstance au recueil de Situations. L’économie de l’écriture engagée chez Jean-Paul Sartre
Denis, Benoît ULg

in Langlet, Irène (Ed.) Le Recueil littéraire. Pratiques et théorie d’une forme (2003)

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See detailFaire mentir les prédictions en 1ère candidature : comment ? Avec quel résultat ? L'opération RESSAC (Résultats d'Epreuves Standardisées au Service de l'Apprentissage en Candis)
Leclercq, Dieudonné ULg; Dupont, Chantal ULg; Detroz, Pascal ULg et al

in L'école, dans quel(s) sens ? Actes du 2e congrès des chercheurs en éducation, Louvain-la-Neuve, 12-13 mars 2002 (2003)

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See detailLe système accentuel de l'interlangue d'apprenants francophones du néerlandais
Rasier, Laurent ULg

in Mettouchi, A.; Ferré, G. (Eds.) Actes du colloque international "Interfaces prosodiques" (2003)

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See detailVision d'acteurs : le Conseil supérieur wallon des forêts et de la filière bois
Rondeux, Jacques ULg

in Actes du colloque "Le droit international dans le domaine de l'environnement. Quelles implications pour la région wallonne ?" (2003)

9 organes consultatifs wallons concernés par les matières environnementales ont décidé de mettre sur pied une journée de réflexion sur le droit international dans le domaine de l'environnement. L'objectif ... [more ▼]

9 organes consultatifs wallons concernés par les matières environnementales ont décidé de mettre sur pied une journée de réflexion sur le droit international dans le domaine de l'environnement. L'objectif est de donner une vision d'ensemble du droit international existant et en projet dans ce domaine et d'en cerner les implications pour la Région wallonne. [less ▲]

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See detailSimulation of tissue ingrowth and differentiation around a loaded titanium implant in a bone chamber,
Geris, Liesbet ULg; Van Oosterwyck; Vander Sloten, Jos et al

in Veraart, C.; Verdonck, P. (Eds.) Proceedings of the third national day on biomedical engineering (2003)

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See detailVLT Observations of two Unusual BAL Quasars
Hall, Patrick; Hutsemekers, Damien ULg

in Active Galactic Nuclei: From Central Engine to Host Galaxy. ASPC 290 (2003)

The SDSS has confirmed the existence of populations of broad absorption line quasars with extreme properties. I will discuss the discovery of redshifted absorption troughs (confirmation of a rotating disk ... [more ▼]

The SDSS has confirmed the existence of populations of broad absorption line quasars with extreme properties. I will discuss the discovery of redshifted absorption troughs (confirmation of a rotating disk wind?), absorption from FeIII but not FeII (a very large column density of moderately ionized gas?), extremely reddened objects (extinction curves even steeper than that of the SMC), objects with overlapping troughs that remove 90% of the flux below MgII, and two mysterious objects which may or may not be unusual BALs. Implications of these objects for quasar and BAL outflow models will be discussed, along with preliminary results of various followup observations. [less ▲]

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See detailAccretion of Gas by Globular Cluster Stars
Thoul, Anne ULg; Jehin, Emmanuel ULg; Magain, Pierre ULg et al

in Piotto, G.; Meylan, M.; Djorgovski, G. (Eds.) et al New Horizons in Globular Cluster Astronomy (2003)

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See detailRapport de l'atelier sur le thème 'Les technologies de l'information et de la communication dans l'enseignement : pour quoi faire ?'
Leclercq, Dieudonné ULg

in L'école, dans quel(s) sens ? Actes du 2e congrès des chercheurs en éducation, Louvain-la-Neuve, 12-13 mars 2002 (2003)

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See detailNumerical simulations of tissue ingrowth and differentiation around a loaded titanium implant in a bone chamber
Van Oosterwyck, Hans; Geris, Liesbet ULg; Vander Sloten, Jos et al

in Proceedings of the symposium on integrated systems in dental healthcare (2003)

Detailed reference viewed: 28 (0 ULg)