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See detailInsulin-like growth factor binding proteins (IGFBPs) in camels : revelation by western ligand blotting and partial purification of insulin-like growth factor binding protein-3 (IGFBP3)
Hammadi, Mohamed; Colinet, Frédéric ULg; Khorchani, Touhami et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (2004), 8(Special issue), 53

It's well known that Insulin-like growth factor binding proteins (IGFBPs) are important in somatotrope axis in mammals. They modulate bioactivity of Insulin-like growth factor-I/II. In this study, we ... [more ▼]

It's well known that Insulin-like growth factor binding proteins (IGFBPs) are important in somatotrope axis in mammals. They modulate bioactivity of Insulin-like growth factor-I/II. In this study, we identified IGFBPs in blood of camel by Western ligand blotting and we investigated a procedure to purify IGFBP-3 from this species. Three distinct bands are observed. By analogy to that known in mammals, they are identified as insulin-like growht factor binding-3 (IGFBP-3:40-46 kDa), insulin-like growth factor binding proteins-2 (IGFBP-2: 32 kDa) and insulin-like growth factor binding proteins-1 (IGFBP-1: 28 kDa). IGFBP-3 precipitates in 40-60% by ammonium sulfate saturation of serum. Acidification of 40-60% fraction at pH 3.0 is necessary to dissociate IGFBP-3 from tertiary complex (IGFBP-3, acid labile subunit and IGF-I/II). IGFBP-3 is partially purified by anionic ions exchange chromatography at pH 8.5. It forms a clear doublet band. [less ▲]

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See detailOperation rules determined by risk analysis for special protection systems at Hydro-Québec
Huang, Jinan; Vanier, Guy; Valette, Alain et al

(2004)

This paper describes a new approach used by Hydro-Québec to determine the rules of automatic devices installed in its main power plants to maintain secure operation under extreme contingencies. An example ... [more ▼]

This paper describes a new approach used by Hydro-Québec to determine the rules of automatic devices installed in its main power plants to maintain secure operation under extreme contingencies. An example of application of this approach is given to illustrate how to apply data mining technique for the rules of the automatic generator rejection and remote load shedding system (RPTC: Rejet de Production et Télédélestage de Charges in French) installed at the Churchill Falls hydroelectric power plant (5500 MW) in Labrador. Real time snapshots of the Hydro-Québec power system collected over several years data have been used to generate large amounts of results (database) by transient stability simulations. The database is processed by the data mining software developed by the University of Liege to construct the decision trees. This approach gives the most relevant parameters and finds optimal settings for the RPTC system at the Churchill Falls, minimizing the number of generator rejection while maintaining the same performance in terms of security coverage. New operation rules have thus been established. [less ▲]

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See detailDéveloppement de systèmes spatiaux d'aide à la décision en environnement: applications de l'Outil Geo-Environnemental d'Aide a la Décision (OGEAD) valorisant les données sols.
Engels, Patrick ULg; Bock, Laurent ULg; Hecq, P. et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (2004), 8(2),

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See detailGain baro-réflexe calculé lors d’un test d’orthostatisme (« squatting ») : reproductibilité et effet de l’âge dans une population normale
PHILIPS, Jean-Christophe ULg; MARCHAND, Monique ULg; Estrella, F. et al

in Archives des Maladies du Coeur et des Vaisseaux (2004), 97(suppl), 5392

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See detailEffect of elevated PCO2 on optical properties of the coccolithophorid Emiliania huxleyi grown under nitrate limitation
Denis, M.; Sciandra; Harlay, Jérôme ULg et al

in Cytometry. Part A : The Journal of the International Society for Analytical Cytology (2004), 59A(1), 105

Side scatter and red fluorescence properties of the coccolithophore Emiliania huxleyi were investigated by flow cytometry when NO3-limited continuous cultures were submitted to a CO2 partial pressure ... [more ▼]

Side scatter and red fluorescence properties of the coccolithophore Emiliania huxleyi were investigated by flow cytometry when NO3-limited continuous cultures were submitted to a CO2 partial pressure (pCO2) increase from 400 to 700 ppm. Cultures renewed at the rate of 0.5 d-1 and were submitted to saturating light level. pCO2 was controlled by bubbling CO2-rich or CO2- free air in the cultures. Most of the analyses were repeated 5 times and the average SD were < 1.6%, 0.1 and 0.2% for counting, fluorescence and side scatter respectively. Considering the possible decalcification induced by the increase of CO2 in the chemostat atmosphere, the maximum variation that can be expected for side scatter is that provided by the coccolith depletion upon acidification of the cell suspension. The acidification induced a large (36%) decrease of the side scatter signal but had no detectable effect on the red fluorescence. A control was run with a non-calcifying species, Dunaliella tertiolecta, where acidification induced no detectable change, both on fluorescence and side scatter. During the time of the experiment, the decline of side scatter in chemostat 1 never approached the potential 36% change observed when coccoliths are fully dissolved. Interestingly, the specific chl a fluorescence of E. huxleyi slightly increased during the period of high CO2 level. At the end of the experiment this increase amounted to a significant 2.8% of the initial signal. Furthermore, it progressed linearly with time over the period of observation. However, the experiment did not last enough to know if the fluorescence increase had already reached its maximum value. The acidification experiment supported the use of side scatter as a relevant parameter to trace potential changes in calcification. Since the estimated 25% decrease in calcification induced by the rise in CO2 atmosphere did not result in dramatic changes in side scatter values, we can conclude that the number of cocoliths and the overall shape and granulosity of cells was not significantly affected by this decrease. Changes must have only affected tiny structure details of the coccoliths which is supported by scanning electron microscopy observations. The small but significant increase of the fluorescence signal can be considered as a physiological response to the CO2 rise. This suggests a more dynamic photosynthetic process that would result in a higher rate of organic matter production providing that the system is not nutrient limited as in the present situation. [less ▲]

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See detailTissue distribution and metabolism of D-p-[18F]MPPF in rats.
Defraiteur, C.; Muroni, S.; Lemaire, Christian ULg et al

in Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine (2004), 45(S2), 444

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See detailMECHANICAL STRAIN MODULATES MONOCYTE CHEMOTACTIC PROTEIN-1 AND IL-1BETA EXPRESSION BY CULTURED HUMAN AORTIC SMOOTH MUSCLE CELLS
Defawe, Olivier; Colige, Alain ULg; Deroanne, Christophe ULg et al

in Cardiovascular Pathology (2004), 13(3 suppl), 189

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See detailOrigine biogénétique des triterpènes pentacycliques présents dans la sécrétion défensive de Platyphora kollari
Ghostin, Jean; Laurent, Pascal ULg; Daloze, Désiré et al

Poster (2004)

Les chrysomèles sont des insectes phytophages brillement colorés qui représentent une des famille (Chrysomelidae) les plus importante de l'ordre des coléoptères. Etant aposématiques, ils sont facilement ... [more ▼]

Les chrysomèles sont des insectes phytophages brillement colorés qui représentent une des famille (Chrysomelidae) les plus importante de l'ordre des coléoptères. Etant aposématiques, ils sont facilement repérables par des prédateurs potentiels et ont, au cours de l'évolution, développé des mécanismes de défense chimique élaborés. La découverte de glycosides triterpéniques basés sur le squelette oléanane a soulevé le problème de leur origine biogénétique. En effet, il est bien connu que les insectes ne possèdent pas la squalène synthase, une enzyme indispensable à la formation des stéroïdes et des triterpènes pentacycliques. Dès lors, une biosynthèse de novo de ce type de dérivé est peu probable. Par ailleurs, l'analyse de la plante hôte des chrysomèles a montré que la séquestration des glycosides au départ de cette plante est également exclue. Une troisième possibilité serait que l'insecte utilise un précurseur provenant de son alimentation pour fabriquer ses substances défensives. Un tel précurseur pourrait être la b-amyrine identifiée chez différentes plantes hôtes des chrysomèles ou l'acide oléanolique dont la structure de base se retrouve au niveau des triterpènes défensifs. Enfin, l'analyse des plantes hôtes a montré que celles-ci contiennent à la fois de la b-amyrine et de l'a-amyrine dans un rapport 1,76/1. Cependant aucun glycoside triterpénique basé sur le squelette ursane n'a été isolé jusqu'à présent chez les chrysomèles, ce qui suggère un mécanisme de transport sélectif en faveur de la b-amyrine. Dans le cadre de ce travail, nous présenterons les synthèses d'a-amyrine, de b-amyrine et d'acide oéanolique trideutériés, ainsi que les résultats d'incorporation des deux premiers précurseurs chez Platyphora kollari. [less ▲]

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See detailAssessment of the impact of an old MSWI. Part1 : Level of PCDD/Fs and PCBs in surrounding soils and eggs
Pirard, Catherine; Focant, Jean-François ULg; Massart, Anne-Cécile ULg et al

in Organohalogen Compounds (2004), 66

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See detailDetection of renal failure in overweight patients.
Delanaye, Pierre ULg; Radermecker, Régis ULg; Rorive, Marcelle ULg et al

in Kidney International (2004)

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See detailDermatophytosis: efficacy of commercial vaccines?
Mignon, Bernard ULg

in Proceedings of the 5th World Congress of Veterinary Dermatology (2004)

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See detailInfluence of chloride and phosphate on the binding of oxygen to canine and feline red blood cells
Cambier, Carole ULg; Wiernickx; Clerbaux, Th et al

in Pflügers Archiv : European Journal of Physiology (2004), 447

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See detailThe evolution of canine hip dysplasia
Coopman; Saunders; Paepe et al

Conference (2004)

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See detailApproche quantitative de la consommation alimentaire en Région wallonne
Duquesne, Brigitte ULg; Cordier, L.

in Rencontre Agriculture – Alimentation – Santé (2004)

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See detailChronic cough in horses : environmental management and aerosol therapy
Art, Tatiana ULg

in Tierarztliche Praxis. Ausgabe G, Grosstiere/Nutztiere (2004), 32 (G)

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See detailQuantification of aporphines in cassytha filiformis bu HPLC/UV : validation and application
Stevigny, C.; Wautier, M. C.; Chiap, Patrice ULg et al

Poster (2004)

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See detailLes évaluations externes organisées en Communauté française de Belgique : quelques questionnements autour des notions de qualité, de pertinence sociale et d'équité
Fagnant, Annick ULg; Demonty, Isabelle ULg

in Evaluation entre équité et efficacité, Actes du XVIe colloque international de l'Admée-Europe, Liège, 4-6 septembre 2003. Les cahiers du Service de Pédagogie expérimentale, 15/16 (2004) (2004)

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See detailUne approche de la vraie prévalence des tumeurs hypophysaires
Beckers, Albert ULg; Ciccarelli, A.; Daly, Adrian ULg et al

in XXIème Congrès de la Société Française d'Endocrinologie - Abstract book (2004)

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See detailLa Rameb, un promoteur d’absorption cutanée pour l’acétate de cypro-térone ?
Henry de Hassonville, S.; Christiaens, B.; Piel, Géraldine ULg et al

Conference (2004)

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See detailEffects of interleukin-1 beta and dexamethasone on the expression by chondrocytes of antioxidant enzymes
Mathy, Marianne ULg; Devel, Philippe; Sanchez, Christelle ULg et al

in Osteoarthritis and Cartilage (2004), 12(Suppl. B), 51-52

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See detailAntiapoptotic effect of GM-CSF activated STAT5 signaling pathway in chronic mastitis-affected cows : possible involvement in persistent accumulation of neutrophils in milk
Boutet, Philippe ULg; Bureau, Fabrice ULg; Gillet, Laurent ULg et al

in Congress COST Action 844: “Apoptosis and programmed cell death : molecular mechanisms and applications in Biotechnology and Agriculture” (2004)

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See detailDIOXIN BODY BURDEN AMONG BLOOD DONORS BEFORE AND AFTER THE BELGIAN DIOXIN/PCB INCIDENT
Debacker, Noemi; Sasse, André; Van Wouwe, Nathalie et al

in Organohalogen Compounds (2004)

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See detailLe paysage invisible.
Schmitz, Serge ULg

in Honegger, Anne Rivière; Puech, Daniel (Eds.) L'évaluation du paysage : une utopie nécessaire ? (2004)

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See detailLevels of contamination for various pollutants present in Belgian human plasma
Van Wouwe, Nathalie; Covaci, Adrian; Kannan, Kurunthachalam et al

in Organohalogen Compounds (2004)

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See detailDéficience du système glutathion chez le cheval de course
De Moffarts, Brieuc; Kirschvink, N.; Art, Tatiana ULg et al

in 30ème Journée de la Recherche Equine, Les Haras Nationaux (2004)

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See detailPAG és progeszteron profilok alalkulás in vitro embrióbeültetést követõ vemhességnel hormanális stimuláció és petesejt kinyerés után tehenekben
Tomašković, A.; Prvanović, N.; Beckers, Jean-François ULg et al

in Proceedings: The 5th Middle-European Buiatrics Congress (2004)

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See detailInvestigation on prenatal endocrinology: preliminary results on long term catheterisation of bovine foetuses
Touati, Kamal ULg; Melo de Sousa, Noelita ULg; Gangl, M. et al

in Reproduction (Cambridge, England). Abstract Series (2004), 31

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See detailCanonical framework for describing suboptimum radar space-time adaptive processing (STAP) techniques
De Grève, Sébastien; Lapierre, Fabian D.; Verly, Jacques ULg

Conference (2004)

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See detailMaintien et stratégies de renforcement de la motivation des étudiants dans l'enseignement à distance
Mignon, Jacques ULg; Closset, Jean-Louis ULg

in Actes du 21e congrès de l’Association internationale de pédagogie universitaire (AIPU) (2004)

L'exploitation des nouvelles technologies dans la mise sur pied d'un enseignement à distance s'accompagne nécessairement d'une réflexion pédagogique structurée. Cette réflexion fait souvent fi de la mise ... [more ▼]

L'exploitation des nouvelles technologies dans la mise sur pied d'un enseignement à distance s'accompagne nécessairement d'une réflexion pédagogique structurée. Cette réflexion fait souvent fi de la mise en oeuvre de véritables stratégies motivationnelles. Pourtant, lorsqu'on demande à un enseignant pourquoi il souhaite mettre un cours en ligne, il invoque souvent le fait de chercher à motiver ses étudiants. Nous distinguerons ici le maintien de la motivation, du renforcement de la motivation des étudiants. Les risques de démotivation et d'abandon sont très nombreux dans l'enseignement à distance, même avec le soutien des nouvelles technologies. Il est donc essentiel de veiller à maintenir constamment la motivation initiale de l'apprenant. Si le maintien de cette motivation fait appel à des moyens, des trucs, des recettes de tutorat, il n'en va pas de même du renforcement de la motivation. En effet, il s'agit ici de mettre au point, dès la phase de conception du cours, de véritables stratégies motivationnelles. Quels sont les risques de démotivation des étudiants ? Comment les éviter ? Quelles bases théoriques peuvent nous guider dans notre mise au point des stratégies motivationnelles ? Quelles pistes motivationnelles le concepteur peut-il emprunter, et dans quelles perspectives ? Sur base des théories de la motivation, notre recension des données bibliographiques vise à préciser les questions que doivent se poser les concepteurs de cours à distance. De même, elle débouche, pour chaque question, sur des pistes concrètes à explorer. [less ▲]

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See detailFood security : Fowl Pest
Brunet, Sébastien ULg

Conference (2004)

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See detailThe influence of temperature on bacterial assemblages during bioremediation of a diesel fuel contaminated subAntarctic soil
Delille, Daniel; Pelletier, E.; Coulon, F. et al

Conference (2004)

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See detailComparison between co-crystallisation properties of POP and OPP
Danthine, Sabine ULg; tirtiaux, a; wouters, j et al

Poster (2004)

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See detailModeling the elastic-plastic behavior of a rotor support structure under a large unbalance: numerical simulations
Stainier, Laurent ULg; BUI, Q. V.; Ponthot, Jean-Philippe ULg

in Proceedings of ISMA 2004, International Conference on Noise & Vibration Engineering (2004)

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See detailPatients at high risk of hip fracture benefit from treatment with strontium ranelate
Rizzoli, R.; Reginster, Jean-Yves ULg; Diaz-Curiel, M. et al

in Calcified Tissue International (2004), 74(S1), 83-84

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See detailMeasurement of dioxins and WHO PCBs in foodstuffs using GCxGC-IDTOFMs
Focant, Jean-François ULg; Pirard, Catherine; Massart, Anne-Cécile ULg et al

in Organohalogen Compounds (2004), 66

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See detailL'ouverture des écoles de musique à un nombre croissant d'élèves et les transformations de l'enseignement musical en Communauté française de Belgique
Giot, Bernadette ULg; Baye, Ariane ULg

in Evaluation entre équité et efficacité : actes du XVIe colloque international de l'Admée-Europe, Liège, 4-6 septembre 2003 (2004)

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See detailLa formation continuée des enseignants : quelle efficacité ? Quelle équité ?
Giot, Bernadette ULg; Baesch, Valérie

in Evaluation entre équité et efficacité : actes du XVIe colloque international de l'Admée-Europe, Liège, 4-6 septembre 2004 (2004)

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See detailAdipocyte fatty acid-binding protein expression and mitochondrial activity as indicators of intramuscular fat content in young bulls
Barnola, I.; Hocquette, J. F.; Jurie, C. et al

in Book of Abstracts of the 55th Annual Meeting of the European Association for Animal Production (2004)

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See detailEffect of fertilisation with selenium on plasma selenium in Belgian Blue suckling cows and heifers: first results
Dufrasne, Isabelle ULg; Cabaraux, Jean-François ULg; Coenen, M. et al

in Land use systems in grassland dominated regions, Book of abstracts of 20th General Meeting of the European Grassland Federation (2004)

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See detailDistribution of the forces in a bolted connection under shear loading
Pietrapertosa, C.; Piraprez, E.; Jaspart, Jean-Pierre ULg

in Proceedings of the Fifth International Workshop on Connections (2004)

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See detailRôle pléiotrope de la protéine CRP chez Streptomyces coelicolor
Derouaux, Adeline ULg; Titgemeyer, Fritz; Dusart, Jean et al

Conference (2004)

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See detailInfluence of blood glucose control on the progression of cardiac autonomic neuropathy in Type 1 diabetes.
PHILIPS, Jean-Christophe ULg; MARCHAND, Monique ULg; Geronooz, I. et al

in Diabetologia (2004), 47(suppl 1), 368-3691029

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See detailLe micromaser à atomes froids
Martin, John ULg; Bastin, Thierry ULg

Conference (2004)

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See detailDe Kompia à Djolempoum : sur les sentiers tortueux de l’aménagement et de l'exploitation des forêts communautaires au Cameroun
Vermeulen, Cédric ULg; Vandenhaute, M.; Delvingt, W. et al

in VertigO : la Revue Electronique en Sciences de l'Environnement (2004), 7(1),

Started since one decade now, Community forestry in Cameroon presents half-hearted results. The goals of the 1994 law which aims to improve participation of locals populations to forest management and to ... [more ▼]

Started since one decade now, Community forestry in Cameroon presents half-hearted results. The goals of the 1994 law which aims to improve participation of locals populations to forest management and to increase their incomes seems to be hard to reach. Still this management process is criticised, mostly because of the complexity of the “simple management plan”. This article presents and analyses different experimental steps that were tested since ten years in Badjoué land in East Cameroon in order to make changes this precious tool to a participative and sustainable management of natural resources. [less ▲]

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See detailControl of listeria monocytogenes in dairy farms
Belleflamme, Christel ULg; Di Tanna, Sybille ULg; Anceau, Christine ULg et al

in Proceedings of the Ninth Conference on Food Microbiology (2004)

- Performed in Walloon farms in contact with the PDR project - L. monocytogenes characterised by its ubiquity - Numerous sources of contaminations : environment, cross-contaminations, post-contaminations ... [more ▼]

- Performed in Walloon farms in contact with the PDR project - L. monocytogenes characterised by its ubiquity - Numerous sources of contaminations : environment, cross-contaminations, post-contaminations, mastitis,… [less ▲]

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See detailThe agricultural area survey as a tool for implementing the European Nitrates Directive in the Walloon Region of Belgium.
Vandenberghe, Christophe ULg; Mohimont, A. C.; Garot, T. et al

in Hatch, D. J.; Chadwick, D. R.; Jarvis, S. C. (Eds.) et al Controlling nitrogen flows and losses. (2004)

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See detailQuelle(s) conception(s) de la motivation dans le sillage du décret Missions ? Le cas des programmes de français
Dufays, Jean-Louis; Lucchini, Silvia ULg

in Actes du 3ème Congrès des chercheurs en éducation. (Re)trouver le plaisir d’enseigner et d’apprendre – Construire savoirs et compétences (2004)

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See detailA three-month course of depot octreotide in the treatment of Graves' orbitopathy : clinical results of a randomized placebo-controlled double-blind study
Wémeau, J. L.; Beckers, Albert ULg; Caron, P. et al

in 12th International Congress of Endocrinology - Abstract book (2004)

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See detailSimenon et la “crise” du roman
Denis, Benoît ULg

in Traces. Travaux du Centre d'Études Georges Simenon (2004), (15), 95-106

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See detailL’habitat mérovingien dans la vallée mosane
Van Wersch, Line ULg

Conference (2004)

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See detailNumerical simulation of tissue differentiation around loaded implants in a bone chamber
Geris, Liesbet ULg; Vander Sloten, Jos

in In Proceedings of the Mini-Symposium Biomécanique de l'appareil locomoteur (2004)

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See detailImproved separation and quantification of dioxin and furan congeners using Novel low-bleed capillary gas chromatography columns and mass spectrometry
Dorman, Frank; Reese, Shawn; Reiner, Eric et al

in Organohalogen Compounds (2004), 66

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See detailA multi-Agent System for Architectural Sketches Interpretation
Juchmes, Roland ULg; Leclercq, Pierre ULg; Azar, Sleiman

in Hugues, John F.; Jorge, Joaquim A. (Eds.) Eurographics Workshop on Sketch-Based Interfaces and Modeling (2004)

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See detailAnalyse critique des techniques d'estimation du nombre d'unites motrices.
Wang, François-Charles ULg; Gerard, Pascale ULg; Bouquiaux, Olivier ULg

in Revue Médicale de Liège (2004), 59 Suppl 1

It is now 30 years since the first motor unit number estimation (MUNE) technique was introduced by Allan McComas as a way of providing an objective, sensitive and reproducible means of measuring the ... [more ▼]

It is now 30 years since the first motor unit number estimation (MUNE) technique was introduced by Allan McComas as a way of providing an objective, sensitive and reproducible means of measuring the number of motor axons in living human muscle or muscle group. MUNE techniques have substantially evolved over the past decade and have been applied, with increasing frequency, to the study of age effects on motoneurone population and muscle denervating disorders such as amyotrophic lateral sclerosis (ALS), spinal muscular atrophy, poliomyelitis and different types of inherited and acquired peripheral neuropathies. In the future, one of the most important topics involving MUNE, will probably be its use in monitoring the progress of ALS patients undergoing experimental drug trials. However, among incremental, multiple point stimulation, spike-triggered averaging, F-wave analysis and statistical methods, there is no consensus about the best MUNE method. There is only a general feeling that some techniques are more valid than others. For this reason, in the present review, brief descriptions of the distinct MUNE methods are presented. In the second part of the paper, advantages and limitations (alternation, sampling errors, temporal registration etc...) of the most commonly employed procedures are considered. [less ▲]

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See detailResidual cerebral functioning in the vegetative state
Laureys, Steven ULg; Faymonville, Marie-Elisabeth ULg; De Tiège, X. et al

in Arco di Giano (2004)

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See detailDifférences liées au sexe : l'école en relation avec son environnement
Lafontaine, Dominique ULg; Blondin, Christiane ULg

in Actes du XVIe colloque international de l'Admée-Europe, Liège, 4-6 septembre 2003 (2004)

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See detailComputed tomography and magnetic resonance of the normal canine carpus
Sofia, Morgan; Snaps, Frédéric ULg; Busoni, Valeria et al

Poster (2004)

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See detailFigures de l'exil. Entre l'origine de la culture et le regard de la modernité
Strivay, Lucienne ULg; Havelange, Carl ULg

in Abdelouahed, Mabrour; Danielle, Bajomée (Eds.) Exils imaginaires & exils réels dans le domaine francophone (2004)

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See detailAnalyse d'un dispositif innovant d'ingénierie docimologique permettant aux étudiants d'obtenir des feedbacks individualisés et diagnostiques via le web après une épreuve standardisée en amphithéâtre
Gilles, Jean-Luc ULg

in Arzola Medina, Sergio (Ed.) XIV congreso mundial de ciencias de la educacion : educatores para una nueva cultura (2004)

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See detailGérer la qualité des évaluations des acquis des grands groupes d'étudiants à l'aide d'un Système Méthodologique d'Aide à la Réalisation de Tests (SMART)
Gilles, Jean-Luc ULg

in Arzola Medina, Sergio (Ed.) XIV congreso mundial de ciencias de la educacion : educatores para una nueva cultura (2004)

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See detailChronic mastitis-affected cows display lower lipoxin levels than acute mastitis-affected cows
Boutet, Philippe ULg; Bureau, Fabrice ULg; Degand, Guy ULg et al

in Recueil "Le Médecin Vétérinaire du Québec" (2004), 34(1 et 2), 160

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See detailLa dimension "famille de situations" de la notion de compétence: Quelle objectivité? Quelle validité?
Chenu, Florent ULg

in Actes du 17e Colloque de l’Association pour le Développement des Méthodologies d’Evalutaion en Education - Reconnaître et valoriser les acquis de l’expérience. Universidade de Lisboa, Portugal, Novembre 2004. (2004)

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See detailStudy of the cooling process of an extruded aluminium profile
Bouffioux, Chantal ULg; Carton, Marc ULg; Lecomte-Beckers, Jacqueline ULg et al

in Gosh, Somnath; Castro, Jose M.; Lee, June K. (Eds.) Proceedings of Materials Processing and Design: Modeling, Simulation and Applications (NUMIFORM 2004) (2004)

The prediction of the final axial stresses and the residual strains of complex extruded aluminium profiles requires a good knowledge of the material behavior and of the industrial process. This paper is ... [more ▼]

The prediction of the final axial stresses and the residual strains of complex extruded aluminium profiles requires a good knowledge of the material behavior and of the industrial process. This paper is focused on the methods required to provide the whole set of data: material ones and process ones. Scanning differential calorimetry, dilatometry and diffusivity tests identify thermophysic material properties and hot tensile tests identify parameters of the elastovisco- plastic Norton-Hoff law. The description of the industrial process and its simulations are described. Then a sensitivity analyzis provides the cooling key parameters causing the undesired final curvature during the industrial process. [less ▲]

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See detailS'engager dans la lecture : un investissement au service des compétences
Lafontaine, Dominique ULg

in Actes du 3e congrès des chercheurs en éducation, Bruxelles, 16-17 mars 2004 (2004)

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See detailLate Frasnian Atrypida (Brachiopoda) from the Ardenne shelf (southern Belgium)
Mottequin, Bernard ULg

in Anonymous (Ed.) Abstracts with programme of the 48th Palaeontological Association Annual Meeting (2004)

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See detailIdentification of material parameters using bi-axial machine
Flores, Paulo; de Montleau, P.; Mathonet, V. et al

in Stören, Sigurd (Ed.) Proceedings of the 7th ESAFORM conference on Materials Forming (2004)

Experimental testing equipment is built in order to identify material parameters of complex phenomenological constitutive laws. This equipment consists in a bi-axial test machine able to perform plane ... [more ▼]

Experimental testing equipment is built in order to identify material parameters of complex phenomenological constitutive laws. This equipment consists in a bi-axial test machine able to perform plane strain and simple shear tests separately or simultaneously and a Miyauchi simple shear test device; an optical extensometer is used to identify the strain field. The article focus on the validation of the results of this new equipment by comparing with results obtained by standard machines and/or by using FEM simulations of already identified materials. The first results show that the bi-axial machine performs the plane strain test optimally and some modifications are proposed in order to improve the results for the simple shear test. Miyauchi device shows a good performance and the experimental results are compared with a FEM simulation. [less ▲]

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See detailPerfluorochemicals in harbour porpoises
Van de Vijver, K. I.; Hoff, P. T.; Das, Krishna ULg et al

Poster (2004)

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See detailCytokine messenger RNA expression in the blood of harbour porpoises (phocoena phocoena).
Das, Krishna ULg; Fonfara, Sonja; Beineke, Andreas et al

Poster (2004)

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See detailUn système d'indicateurs d'équité des systèmes éducatifs européens : un outil d'analyse des politiques d'éducation et de formation en Communauté française de Belgique
Nicaise, Julien; Straeten, Marie-Hélène; Baye, Ariane ULg et al

in Actes du troisième congrès des chercheurs en éducation (2004)

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See detailLes paramyxovirus des mammifères marins
Jauniaux, Thierry ULg

in proceeding of the conference (2004)

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See detailStudy of surface active properties and thermal behaviour of enzymatically prepared sugar esters
Blecker, Christophe ULg; Deroanne, Claude; Lognay, Georges ULg et al

in Proceedings "Cosm'ing 2004 : Cosmetic Ingredients and Biotechnology" (2004)

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