References of "Scientific congresses and symposiums"
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See detailEffect of glucosamine sulfate on newly proposed/recommended clinical trial end-points in patients with knee osteoarthritis
Bruyère, Olivier ULg; Giacovelli, G.; Pavelka, K. et al

in Osteoporosis International (2006, March), 17(Suppl.1), 13

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See detailLong-term outcome of Epilepsy surgery among 399 patients with non-lesional pathology including mesial temporal lobe sclerosis.
Scholsem, M.; Cohen-Gadol, A.; Martin, Didier ULg et al

Conference (2006, March)

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See detailEffect of annealing atmosphere on the galvanizing behaviour of a dual-phase steel
Khondker, Rubayat; Mertens, Anne ULg; McDermid, Joe R.

Conference (2006, March)

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See detailUse of a radial-flow cell for the cleanability assessment of solid surfaces.
Detry, Jean; Boulangé-Petermann, Laurence; Rouxhet, P. G. et al

in Proceedings of the conference "Fouling, Cleaning and disinfection in food processing" 2006 (2006, March)

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See detailDancing droplets onto liquid surfaces
Vandewalle, Nicolas ULg; Terwagne, Denis ULg; Mulleners, K. et al

Poster (2006, March)

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See detailDevelopment of the surface structure of TRIP steels prior to hot-dip galvanizing
Bellhouse, Erika M.; Mertens, Anne ULg; McDermid, Joe R.

Conference (2006, March)

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See detailBelgian bone specialists are eagerly looking to the availability of new medications in osteoporosis
Goemaere, S.; Bergmann, P.; Body, J. J. et al

in Osteoporosis International (2006, March), 17(Suppl.1), 27

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See detailSelf-reported versus measured prevalence of osteoporosis. An age-stratified analysis of its diagnostic coverage
Richy, Florent; Bruyère, Olivier ULg; Maassen, P. et al

in Osteoporosis International (2006, March), 17(Suppl.1), 93-94

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See detailDXA-based assessment of male patients using standardized bone density values and a national reference database
Goemaere, S.; Vanderschueren, D.; Kaufman, Jean-Marc et al

in Osteoporosis International (2006, March), 17(Suppl.1), 54

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See detailCalcium daily food intake in European post-menopausal women
Bruyère, Olivier ULg; Malaise, Olivier; Neuprez, Audrey ULg et al

in Osteoporosis International (2006, March), 17(Suppl.1), 101

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See detailStrontium ranelate reduces the risk of fracture in elderly women with osteoporosis in the first year of treatment
Seeman, E.; Vellas, B.; Benhamou, C. L. et al

in Osteoporosis International (2006, March), 17(Suppl.1), 7

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See detailLongitudinal study of magnetic resonance imaging and fixed-flexion radiography to assess progression of osteoarthritis of the knee
Bruyère, Olivier ULg; Kothari, M.; Peterfy, C. et al

in Osteoporosis International (2006, March), 17(Suppl.1), 85

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See detailRelations between increase in femoral neck bone mineral density and decrease in hip fracture incidence during treatment with strontium ranelate
Bruyère, Olivier ULg; Delmas, Pierre D; Devogelaer, Jean-Pierre et al

in Osteoporosis International (2006, March), 17(Suppl.1), 96

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See detailDiagnostic Characteristics and Therapeutic Responses in Acromegaly : The Liège Acromegaly Survey
Tikhomirova, M.; Petrossians, Patrick ULg; Daly, Adrian ULg et al

in 50th Meeting of the German Endocrine Society and 23rd Meeting of Dutch Endocrine Society : Essen, Germany, 1-4 March 2006 (2006, March)

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See detailExecutive dysfunctions in hypothyroidism and major depression
Constant, Eric; Adam, Stéphane ULg; Daumerie, Chantal et al

in Annals of General Psychiatry (2006, February 28), 5(Suppl 1), 565

Detailed reference viewed: 13 (1 ULg)
See detailLes enfants-loups
Strivay, Lucienne ULg

Conference (2006, February 25)

Detailed reference viewed: 17 (2 ULg)
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See detailSpinal cord trauma
Martin, Didier ULg

Conference (2006, February 24)

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See detailInterprétation de la Sérologie Infectieuse.
HUYNEN, Pascale ULg

Conference (2006, February 23)

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See detailFongicides: les effets "extra-fongicides" des strobilurines en froment: mythe ou réalité?
Vancutsem, Françoise ULg; Bodson, Bernard ULg; Moreau, Jean-Marc et al

in Livre Blanc: Céréales - Gembloux - Informations avant les semis (2006, February 22)

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See detailAssurance-vie disqualifiées ou requalifiées
Leleu, Yves-Henri ULg

Conference (2006, February 22)

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See detailActualité dans le domaine de la fumure azotée; la fumure azotée en deux fractions: osez essayer!
Vancutsem, Françoise ULg; Bodson, Bernard ULg; Destain, Jean-Pierre ULg et al

in Fumure et Protection phytosanitaire des céréales (2006, February 22)

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See detailLes conseils de fumure azotée
Bodson, Bernard ULg; Destain, Jean-Pierre ULg; Vancutsem, Françoise ULg et al

in Fumure et Protection phytosanitaire des céréales (2006, February 22)

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See detailL'azote minéral du sol; sous froment d'hiver: Situation au 10 février 2006
Destain, Jean-Pierre ULg; Couvreur, Luc; Herman, Jean-Luc et al

in Fumure et Protection phytosanitaire des céréales (2006, February 22)

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See detailGrowth Factors for Biotechnology
Grandfils, Christian ULg

Conference (2006, February 21)

Detailed reference viewed: 14 (0 ULg)
See detailGlacial-interglacial rain ratio variations: effect on atmospheric CO2 levels and sedimentary carbonate preservation/dissolution processes
Munhoven, Guy ULg

Conference (2006, February 10)

A reduction of the carbonate-carbon to organic-carbon export rain ratio during glacial times is commonly advanced to explain an important part of the observed glacial-interglacial atmospheric CO2 ... [more ▼]

A reduction of the carbonate-carbon to organic-carbon export rain ratio during glacial times is commonly advanced to explain an important part of the observed glacial-interglacial atmospheric CO2 variation. This hypothesis was tested and side-effects on the evolution of carbonate preservation/dissolution in the surface sediment explored with a multi-box model (MBM) of the ocean carbon cycle, fully coupled to a new transient advection-diffusion-reaction model (called MEDUSA) representing early diagenesis processes of carbonate minerals in the surface sediment. MEDUSA explicitly considers the role of organic matter remineralisation in the sediment column to enhance calcite (and aragonite) dissolution. It is fully bi-directional and takes chemical erosion into account in times when carbonate dissolution makes the sediment mixed-layer collapse faster than the sediment supply to the surface is able to counterbalance. Coupled model experiments were run for 240,000 years, forced by variable sea-level, temperature and salinity histories, and variable continental weathering inputs. Various scenarios for the evolution of the rain ratio over glacial to interglacial periods were adopted. A peak reduction of the rain ratio by 40% at the Last Glacial Maximum (LGM) was found to produce a net atmospheric pCO2 reduction of about 30ppm, on top of a 60ppm reduction produced by changing continental shelf carbonate accumulation and changing continental weathering inputs. The overall 90ppm oscillation compares well with the observed data. However, the effect on the model sedimentary record is clearly at odds with actual sediment records. The changes related to continental shelf processes and variable weathering flux depress the calcite saturation horizon by about 1km at the LGM; if rain ratio variations are also considered, that depression increases by another km. An assessment of the respective contributions from various model parameters will be presented. [less ▲]

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See detailTips and tricks about aneurysm clipping
Martin, Didier ULg

Conference (2006, February 10)

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See detailThe added value of intermodal transport for the logistical organization of enterprises
Marchal, Jean ULg; Macharis, Cathy; Zhang, Zhaomin

(2006, February 06)

In order to face the strong competitions of globalization and internationalization, modern enterprises require high quality logistics services for their economic interests, production requisites and ... [more ▼]

In order to face the strong competitions of globalization and internationalization, modern enterprises require high quality logistics services for their economic interests, production requisites and market changes to enhance their competitive positions. In accordance with the sustainable socio-economic developments, the enterprises should comply with the social rules and regulations that aim at reducing the society costs such as congestion, pollution, and environmental protection. Intermodal transportation is an attractive solution for modern enterprises by offering economic, environmental friendly and door-to-door transport means that can easily be integrated into modern logistic chains. Making full use of the intermodal transport has become a strategic measure for many enterprises in their logistical organization, with many successful stories. However, the tendency of implementing intermodal transport has not been recognized well by certain enterprises. Some barriers and bottlenecks block the proper integration and organization of intermodal logistical chains, which are indispensable for the logistics of enterprises. In order to optimize the structure of transport system and to help enterprises implement modern and innovative technologies, a study was carried out in Belgium, with the representative characteristics of Western Europe, to identify the potential of utilizing intermodal transport and to search for the bottlenecks that break the logistical chains. This study supplies the decision makers and the enterprises useful suggestions to improve the intermodal transport services and the intermodal traffic. This paper will introduce main concepts and methods of this important study. [less ▲]

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See detailThe giant squid (Architeuthis): a very high level predator?
Bustamante, Paco; Das, Krishna ULg; Guerra, A. et al

Poster (2006, February 06)

Detailed reference viewed: 21 (0 ULg)
See detailOptimisation d'un contrat de coordination entre producteur et fournissuer
Arda, Yasemin ULg; Hennet, Jean-Claude

Conference (2006, February 06)

Cet article analyse comme un jeu de Stackelberg la négociation d’un contrat au sein d’une chaîne logistique à deux niveaux, qui est constituée de deux étages de production/stockage gérés par deux acteurs ... [more ▼]

Cet article analyse comme un jeu de Stackelberg la négociation d’un contrat au sein d’une chaîne logistique à deux niveaux, qui est constituée de deux étages de production/stockage gérés par deux acteurs différents : un producteur ayant une demande aléatoire d’un produit fini et son fournisseur de produit intermédiaire. [less ▲]

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See detailDEVELOPPEMENT D'INHIBITEURS SELECTIFS DE LA TRYPTOPHANE HYDROXYLASE
Giacomelli, Fabrice ULg; Luxen, André ULg; Lemaire, Christian ULg et al

Conference (2006, February 03)

Comprendre la façon dont le cerveau travaille et en particulier le mode de communication de ses cellules est un rêve que beaucoup de chercheurs caressent. A l’heure actuelle, une des rares certitudes à ... [more ▼]

Comprendre la façon dont le cerveau travaille et en particulier le mode de communication de ses cellules est un rêve que beaucoup de chercheurs caressent. A l’heure actuelle, une des rares certitudes à son sujet est qu’un de ses modes de transmission d’informations utilise des « messagers » chimiques appelés neurotransmetteurs. Parmi ceux-ci, la sérotonine (5-HT) revêt une importance particulière. En effet, la 5-HT est impliquée dans de nombreuses fonctions (apprentissage, locomotion, sommeil,…) et pathologies (dépressions, démences, schizophrénies,…). Dès lors, l'étude in vivo chez l'homme des neurones sérotoninergiques ainsi que la quantification de la vitesse de biosynthèse de la 5-HT sont des domaines d'études fondamentaux pour lesquels la tomographie à émission de positons (TEP) constitue un outil de choix. Pour mener à bien ces différentes expérimentations, deux stratégies sont envisageables : - L’emploi d'un traceur capable de suivre la chaîne métabolique du tryptophane conduisant à la 5-HT tout en évitant les autres voies métaboliques. - L’utilisation d'un inhibiteur de la TrpOH (enzyme limitant du processus). Dans le cadre de cette présentation, nous nous intéresserons plus particulièrement à la deuxième stratégie. [less ▲]

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See detailIdentification of novel prolactin releasing peptide receptors of Cyprinus carpio and Salmo salar expressed in the pituitary gland
Romero, A. P.; Montefusco, R.; Lopez, Mauricio et al

in Journal of Experimental Zoology. Part A, Comparative Experimental Biology (2006, February 01), 305A(2), 171

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See detailAbord des risques psychosociaux en Belgique.
Hansez, Isabelle ULg

Conference (2006, February 01)

Detailed reference viewed: 22 (4 ULg)
See detailLa peau : miroir de la santé
Peeters, Dominique ULg; Remy, Isabelle

in Proceedings of "Congrès SAVAB" (2006, February)

Detailed reference viewed: 19 (1 ULg)
See detailImpact of microbiological processes on the cycling of Fe in Antarctic sea-ice during Spring
Schoemann, Véronique; Lannuzel, Delphine; Becquevort, Sylvie et al

Poster (2006, February)

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See detailCaractérisation de matériaux poreux par analyse d'images 3D
Blacher, Silvia ULg; Gommes, Cédric ULg; Léonard, Angélique ULg et al

Conference (2006, February)

Detailed reference viewed: 48 (6 ULg)
See detailIron Distribution in Antarctic Pack Ice
Lannuzel, Delphine; Schoemann, Véronique; de Jong, Jeroen et al

Poster (2006, February)

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See detailLes maladies transmises par les tiques chez le chien en Belgique
Peeters, Dominique ULg

in Proceedings of "Congrès SAVAB" (2006, February)

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See detailSoft data and the hard pomeron
Cudell, Jean-René ULg; Lengyel, Alexander; Martynov, E. et al

in Nuclear Physics B-Proceedings Supplements (2006, February), 152

We show that the introduction of an additional, hard, singularity in soft forward amplitudes enables one to improve considerably the fits using a simple-pole structure for the soft pomeron.

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See detailProstanglandin E2 induces the expression of functional inhibitory CD94/NKG2A receptors in human CD8+ T lymphocytes by a cAMP-dependent protein kinase A type I pathway
Zeddou, Mustapha; Boniver, Jacques; Moutschen, Michel ULg et al

Conference (2006, February)

The CD94/NKG2A heterodimer is a natural killer receptor (NKR), which inhibits cell-mediated cytotoxicity upon interaction with MHC class I gene products. It is expressed by NK cells and by a small ... [more ▼]

The CD94/NKG2A heterodimer is a natural killer receptor (NKR), which inhibits cell-mediated cytotoxicity upon interaction with MHC class I gene products. It is expressed by NK cells and by a small fraction of activated T cells, predominantly of CD8+ phenotype. Abnormal upregulation of the CD94/NKG2A inhibitory NKR on cytotoxic T cells (CTLs) could be responsible for a failure of immunosurveillance in cancer or HIV infection. In an attempt to identify the mechanisms leading to inhibitory NKR upregulation on T cells, we analyzed the expression of the CD94/NKG2A heterodimer on human CTLs activated with anti-CD3 mAb in the presence of PGE2 or with 8-CPT-cAMP, an analogue of cyclic AMP. As previously described, anti-CD3 mAb-mediated activation induced the expression of CD94/NKG2A on a small fraction of CD8+ T cells. Interestingly, when low concentrations of PGE2 or 8-CPT-cAMP were present during the culture, the proportion of CD8+ T cells expressing CD94/NKG2A was 2 to 5-fold higher. This upregulation was partially prevented by the PKA type I inhibitor, Rp-8-Br-cAMP. We also report that cAMP induces upregulation of NKG2A at the mRNA level. We further demonstrated that cross-linking of CD94 on CD8+ T cells expressing the CD94/NKG2A heterodimer inhibits their cytotoxic activity in a bispecific antibody redirected lysis assay. Our findings clearly demonstrate that the PGE2/cAMP/PKA type I axis is involved in the expression of CD94/NKG2A receptor on human CD8+ T lymphocytes. [less ▲]

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See detailFuture ocean carbon cycle: a study of feedbacks with the LOVECLIM model
Mouchet, Anne ULg; Driesschaert, E.; Brovkin, V. et al

Poster (2006, February)

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See detailGrid Resource Negotiation: Survey with a Machine Learning Perspective
Briquet, Cyril ULg; de Marneffe, Pierre-Arnoul ULg

(2006, February)

Grid computing can be defined as coordinated resource sharing and problem solving in dynamic, multi-institutional collaborations. As more Grids are deployed worldwide, the number of multi-institutional ... [more ▼]

Grid computing can be defined as coordinated resource sharing and problem solving in dynamic, multi-institutional collaborations. As more Grids are deployed worldwide, the number of multi-institutional collaborations is rapidly growing. However, for Grid computing to realize its full potential, it is expected that Grid participants are able to use one another resources. Resource negotiation (i.e. exchange or trading of resources between Grids) enables Grid participants to face an unstable request environment. The aim of this position paper is to present a survey of the current state and challenges of resource negotiation research, with a Machine Learning perspective. We support the view that negotiation and learning are intrinsically linked. In particular, we show the expected benefits of integrating Machine Learning techniques with resource negotiation. [less ▲]

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See detailPerinatal Group B Streptococcal Disease : Prevention strategies
Melin, Pierrette ULg

Conference (2006, February)

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See detailSome methodological questions concerning advection measurements: a case study
Heinesch, Bernard ULg; Yernaux, Michel; Aubinet, Marc ULg

Conference (2006, January 28)

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See detailIntérêt du dépistage de l'IRC
Krzesinski, Jean-Marie ULg

Conference (2006, January 26)

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See detailBiographie, trajectoire et réseaux en histoire littéraire
Dozo, Björn-Olav ULg; Provenzano, François ULg

Conference (2006, January 26)

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See detailIntérêt du dépistage de l'IRC
Krzesinski, Jean-Marie ULg

Conference (2006, January 26)

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See detailDifférences intra- et inter-races du profil en acides gras du lait
Soyeurt, Hélène ULg; Dardenne, Pierre; Lognay, Georges ULg et al

in 11ème Carrefour des Productions Animales (2006, January 25)

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See detailPrivileging late dressing on winter wheat increases recovery and efficiency (yield and quality) of fertilizer N results of 3 years field experiments using stable 15N
Boulelouah, Nadia; Destain, Jean-Pierre ULg; Falisse, André et al

in Haneklaus, S.; Hera, Ch.; Hofman, G. (Eds.) et al Fertilizers and Fertilization: Stewardship for Food Security, Food Quality, Environment and Nature Conservation (2006, January 22)

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See detailHistone deacetylase HDAC7 as a key regulator of the angiogenic process
Mottet, Denis; Bellahcene, Akeila ULg; Waltregny, David ULg et al

Poster (2006, January 20)

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See detailEvaluating the performance of the Eastern Canadian Diatom Index (IDEC) at integrating water chemistry variability
Lavoie, Isabelle; Campeau, Stéphane; Darchambeau, François ULg et al

Conference (2006, January 06)

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See detailLangage et pratique de l'APP
VIERSET, Viviane ULg

Conference (2006, January 05)

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See detailThe Peculiar Of?p Stars HD 108 and HD 191612: The X-ray View
Nazé, Yaël ULg; Rauw, Grégor ULg; Walborn, N. R. et al

in The X-ray Universe 2005 (2006, January 01)

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See detailFlux transport and tail dynamics during a prolonged substorm interval
Milan, S. E.; Wild, J. A.; Hubert, Benoît ULg et al

in Cluster and Double Star Symposium (2006, January 01)

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See detailAngular Clustering of X-ray Point-Like Sources in the XMM Large Scale Structure Survey
Garcet, O.; Gandhi, P.; Gosset, Eric ULg et al

in Wilson, A. (Ed.) Proceedings of the ‘The X-ray Universe 2005’ (2006, January 01)

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See detailX-ray Emission from Early-Type Stars: New Results and New Challenges
Rauw, Grégor ULg

in The X-ray Universe 2005 (2006, January 01)

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See detailAn Exceptional X-ray View of the Young Open Cluster NGC 6231: What XMM-Newton Has Taught Us
Sana, H.; Gosset, Eric ULg; Rauw, Grégor ULg et al

in The X-ray Universe 2005 (2006, January 01)

Considered as the core of the Sco OB1 association, the young open cluster NGC 6231 harbours a rich O-type star population. In 2001, the XMM-Newton satellite targeted the cluster for a nominal duration of ... [more ▼]

Considered as the core of the Sco OB1 association, the young open cluster NGC 6231 harbours a rich O-type star population. In 2001, the XMM-Newton satellite targeted the cluster for a nominal duration of about 180 ks. Thanks to the detector sensitivity, the EPIC cameras provided an unprecedented X-ray view of NGC 6231, revealing about 600 point-like sources. In this contribution, we review the main results that have been obtained thanks to this unprecedented data set. Concerning the O-type stars, we present the latest developments related to the so-called 'canonical' Lx-Lbol relation. The dispersion around this relation might actually be much smaller than previously thought. In our data set, the sole mechanism that yields a significant deviation from this scheme is wind interaction. It is also the sole mechanism that induces a significant variation of the early-type star X-ray flux. In a second part of this contribution, we probe the properties of the optically faint X-ray sources. Most of them are believed to be low mass pre-main sequence stars. Their analysis provides direct insight into the star formation history of the cluster. [less ▲]

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See detailUterine tumors resembling ovarian sex-cord tumors: A study of 14 cases showing a diverse phenotypic profile
de Leval, Laurence ULg; Waltregny, David ULg; Dupuis, Léon-Marie et al

in Modern Pathology (2006, January), 19(Suppl. 1), 176

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See detailEquine Piroplasmosis in Belgium: a retrospective study.
Delguste, Catherine ULg; Mantran, A.; Sandersen, Charlotte ULg et al

Poster (2006, January)

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See detailA cross-sectional study of adiponectin in patients with schizophrenia
Hanssens, L.; De Hert, M.; Van Eyck, D. et al

in Schizophrenia Research (2006, January), 81(Suppl. S), 135

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See detailEffects of aripiprazole on serum lipids, a comparison with patients started on statin
Hanssens, L.; De Hert, M.; Van Eyck, D. et al

in Schizophrenia Research (2006, January), 81(Suppl. S), 135

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See detailUterine tumors resembling ovarian sex-cord tumors: A study of 14 cases showing a diverse phenotypic profile
de Leval, Laurence ULg; Waltregny, David ULg; Dupuis, Léon-Marie et al

in Laboratory Investigation : Journal of Technical Methods & Pathology (2006, January), 86(Suppl. 1), 176

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See detailVignette clinique illustrant la sémiologie neurophysiologie des Troubles de la Régulation
Philippe, Paule ULg; Scholl, Jean-Marc ULg

Poster (2006, January)

En complément de « la clinique de la neurophysiologie » exposée par le Dr Scholl, différentes situations rencontrées en consultations seront présentées pour donner un tableau clinique de quelques enfants ... [more ▼]

En complément de « la clinique de la neurophysiologie » exposée par le Dr Scholl, différentes situations rencontrées en consultations seront présentées pour donner un tableau clinique de quelques enfants à agés de 3 à 7 ans. Ensuite, à partir de la Classification diagnostique « Zero to three », la symptomatologie décrite sera revue à la recherche d'éventuels troubles de la régulation. Notre objectif est d'y montrer l'existence de signes cliniques propres à des dysfonctionnements neurophysiologiques. Cette démarche jette un nouveau regard sur les situations cliniques ; elle permet aussi - selon notre expérience - une meilleure prise en compte de toutes les réalités de l'enfant et de ses parents dans une perspective thérapeutique. [less ▲]

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See detailVers une harmonisation européenne de la communication et du contrôle de la qualité écologique et sociale (QES) : l'intérêt de l'intégration d'un curseur QES dans les outils de contrôle de gestion de l'entreprise
Fraselle, Nadine; Van Caillie, Didier ULg

in Working Paper 2006/01 - CEPE (2006, January)

This paper investigates why and how it is interesting to consider the integration of an Ecological and Social Indicator in the different management control tools. It proposes a methodology to do so that ... [more ▼]

This paper investigates why and how it is interesting to consider the integration of an Ecological and Social Indicator in the different management control tools. It proposes a methodology to do so that could be translated into most industries. [less ▲]

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See detailTroubles de la Régulation du "0 to 3" : la clinique de la neurophysiologie
Scholl, Jean-Marc ULg

Poster (2006, January)

Troubles de la régulation du "0 to 3" : la clinique de la neurophysiologie. Dans la Classification "0 to 3" (DC:0-3R), pour diagnostiquer un trouble de la régulation, outre les attitudes de l'enfant ... [more ▼]

Troubles de la régulation du "0 to 3" : la clinique de la neurophysiologie. Dans la Classification "0 to 3" (DC:0-3R), pour diagnostiquer un trouble de la régulation, outre les attitudes de l'enfant correspondant à un des tableaux cliniques, il faut observer au moins une difficulté sensorielle, sensori-motrice ou du traitement de l'information. Ce dernier point peut déconcerter le clinicien qui cherche à se former à cette nomenclature car il est peu habitué, dans la pratique de psychothérapie, à rechercher ces difficultés et encore moins à les lire en termes neurophysiologiques. "Les troubles de la régulation" sont caractérisés par les difficultés du bébé ou du jeune enfant à réguler leurs comportements et leurs processus physiologiques sensoriels, d'attention, moteurs ou émotionnels et à maintenir un état de calme, de vigilance ou un état émotionnel positif. Les processus physiologiques impliqués se rapportent à des difficultés de traitement de l'information sensorielle, sensori-motrice ou de son organisation, telles que des difficultés à réguler, à intégrer et à répondre à divers types de sensations (y compris auditives et visuelles) et à divers types d'affects. On présume que les patterns sensoriels, moteurs et intégratifs sont d'origine "constitutionnelle", avec une influence des processus de maturation neurologique et aussi des différents modes de soins précoces. L'objectif de cet exposé est de donner un sens clinique de la composante neurophysiologique de ces difficultés et de développer une sémiologie de micro-signes repérables dans la clinique et l'anamnèse. Une attention particulière est donnée au traitement de l'information visuo-spatiale, auditivo-verbale, à la perception des affects, aux modalités de leurs expressions, au "niveau énergétique", à l'organisation de la sphère buccale, à l'hyper ou l'hyposensibilité de chacun des canaux sensoriels et à tout ce qui est en lien à un support neurophysiologique. Cette étude voudrait contribuer, à partir de la symptomatologie, à un meilleur discernement -- dans un continuum -- entre la part neurophysiologique et la part psychologique intervenant dans les difficultés de l'enfant. Cette clinique est à la convergence de l'intérêt tant des pédopsychiatres que des neuropédiatres confrontés à des enfants de 0 à 5 ans. [less ▲]

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See detailBiochemical markers of bone metabolism in Ardennes horses
Pastoret, V.; Carstanjen, V.; Hoyle, N. R. et al

Poster (2006, January)

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See detailStatin therapy among schizophrenia patients with dyslipidemia
Wampers, M.; De Hert, M.; Hanssens, L. et al

in Schizophrenia Research (2006, January), 81(Suppl. S), 141

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See detailIntermediate integer programming representations using value disjunctions
Louveaux, Quentin ULg

Conference (2006, January)

We introduce a general technique for creating an extended formulation of a mixed-integer program. We classify the integer variables into blocks, each of which generates a finite set of vector values. The ... [more ▼]

We introduce a general technique for creating an extended formulation of a mixed-integer program. We classify the integer variables into blocks, each of which generates a finite set of vector values. The extended formulation is constructed by creating a new binary variable for each generated value. Initial experiments show that the extended formulation can have a more compact complete description than the original formulation. We prove that, using this reformulation technique, the facet description decomposes into one “linking polyhedron” per block and the “aggregated polyhedron”. Each of these polyhedra can be analyzed separately. For the case of identical coefficients in a block, we provide a complete description of the linking polyhedron and a polynomial-time separation algorithm. Applied to the knapsack with a fixed number of distinct coefficients, this theorem provides a complete description in an extended space with a polynomial number of variables. On the basis of this theory, we propose a new branching scheme that analyzes the problem structure. It is designed to be applied in those subproblems of hard integer programs where LP-based techniques do not provide good branching decisions. Preliminary computational experiments show that it is successful for some benchmark problems of multi-knapsack type. [less ▲]

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See detailAre verbal STM deficits in SLI related to poor STM output processes?
Majerus, Steve ULg; Grossmann, A.; Poncelet, Martine ULg et al

Conference (2006, January)

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See detailA map of performance related genes in the horse.
Durkin, Keith ULg; Raudsepp, T; Skow, L.C. et al

Poster (2006, January)

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See detailLa bipolarité en pédopsychiatrie : proposition d'une nouvelle sémiologie
Scholl, Jean-Marc ULg

Poster (2006, January)

La bipolarité en pédopsychiatrie : proposition d'une nouvelle sémiologie. Le diagnostic de bipolarité reste peu connu des pédopsychiatres. Il faut en moyenne 10 ans et 3 à 5 médecins avant qu'un ... [more ▼]

La bipolarité en pédopsychiatrie : proposition d'une nouvelle sémiologie. Le diagnostic de bipolarité reste peu connu des pédopsychiatres. Il faut en moyenne 10 ans et 3 à 5 médecins avant qu'un diagnostic correct ne soit posé. Notre expérience, se rapportant à plus d'une centaine d'enfants de 20 mois à 8 ans, met en évidence une sémiologie nuancée qui permet un diagnostic rapide et précoce de la bipolarité. Nous relevons un "tempérament maniaque bipolaire simple" avec sept axes sémiologiques : 1. la clinique du sommeil, 2. une forme "super-énergétique", 3. un "mal-être en situation d'être seul", 4. des couleurs affectives expressives, 5. les désinhibitions, 6. la prépondérance de l'attention divergente sur l'attention convergente, 7. la tendance à l'hyperactivité. Nous évoquons pour ces sept axes l'expression clinique par tranche d'âge jusqu'à la vie adulte. La mise en évidence d'une clinique du "mal-être en situation d'être seul" est l'élément le plus original de notre recherche ; ce mal-être est à distinguer de l'angoisse de séparation, même s'il peut y avoir un continuum ; il n'est pas pathognomonique de la bipolarité mais semble en faire systématiquement partie ; nous formulons l'hypothèse qu'il serait lié à un manque d'efficience "d'une jauge interne d'évaluation du temps". Nous donnons le diagnostic différentiel entre le "tempérament maniaque bipolaire simple" et l'ADHD. Ensuite, nous proposons une caractérisation en 4 formes sémiologiques des états bipolaires dans l'enfance. Nous complétons cette sémiologie de base par différentes comorbidités possibles qui vont apporter d'autres accentuations cliniques. Nous mentionnons le diagnostic différentiel avec les troubles schizo-affectifs. Selon le temps imparti nous pouvons également évoquer : des métaphores explicatives et thérapeutiques que nous donnons au lieu de parler de diagnostic ; des réflexions neurophysiologiques jointes à cette sémiologie ; les médications spécifiques et leur efficacité dans la petite enfance ; le pronostic qui peut radicalement changer avec une prise en charge précoce. [less ▲]

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See detailEvaluation of the metabolic safety of aripiprazole
De Hert, M.; Van Eyck, D.; Hanssens, L. et al

in Schizophrenia Research (2006, January), 81(Suppl. S), 133

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See detailSampling strategy for CO2 sampling
Heinesch, Bernard ULg

Conference (2006)

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See detailGeo-electrical data fusion by stochastic co-conditioning simulations for delineating groundwater protection zones
Dassargues, Alain ULg

in CMWR XVI - Computational Methods in Water Resources (2006)

In hydrogeology, advances in the delimitation of protection zones are made by the use of stochastic simulations integrating all available data. In practice, due to the few available measurements of the ... [more ▼]

In hydrogeology, advances in the delimitation of protection zones are made by the use of stochastic simulations integrating all available data. In practice, due to the few available measurements of the main parameters (hard data), it is very useful to integrate several secondary properties of the media as indirect data (soft data) to reduce the uncertainty of the results. In aquifers, most of the solute spreading is governed by the hydraulic conductivity (K) spatial variability, which is generally considered as the main uncertain parameter. A stochastic approach integrating hydraulic conductivity measurements (hard data), head observations and shallow electrical resistivity tomography (soft data) is presented. Results are discussed on a synthetic and on a practical case. It is shown in practice how the uncertainty of the well capture zone probability distribution (CaPD) can be reduced. Since geophysical data and head observations are easier to collect on the field then hydraulic conductivity measurements, they are generally more abundant. The methodology presented can even be used in real applications when little or no information is available about the hydraulic properties, through the conditioning on geophysical data and/or head observations. [less ▲]

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See detailAnalyse de sang : interprétation de l’hématologie et de la biochimie de routine
Amory, Hélène ULg

in In Proceedings of the 23th Annual Congress of the Belgian Equine Practitioners Society (BEPS) (2006)

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See detailStrategy for the qualitative and quantitative analysis of crop syrup containing enzymatically produced Isomaltooligosaccharides known as emerging prebiotics
Goffin, Dorothée ULg; Blecker, Christophe ULg; Wathelet, Bernard ULg et al

Poster (2006)

Isomaltooligosaccharides (IMOs) are non-digestible oligosaccharides, considered as prebiotics and therefore aim to selectively feed probiotics indigenous to the human colon. Recent data obtained in human ... [more ▼]

Isomaltooligosaccharides (IMOs) are non-digestible oligosaccharides, considered as prebiotics and therefore aim to selectively feed probiotics indigenous to the human colon. Recent data obtained in human subjects, support the involvement of dietary oligosaccharides in physiological processes in the different intestinal cell type and also outside the gastrointestinal tract (e.g. hormone production, lipid and carbohydrate metabolism). IMOs consists of glucose monomers linked by at least one α-1-6, or in a lower proportion α -1-3 (nigerose family) or α -1-2 (kojibiose family) glucosidic linkages. In our case they are produced enzymatically from corn starch. It results in a very complex mixture with molecules characterized at the same time by their DP value (from 2 to ~20), linkages types (α-1-2, 3 or 6) and the proportion and position of each type of linkage (only α -1-6 or combined types). The challenge of this study was to find a qualitative and quantitative method to characterize the syrups. In a subsequent study, every unidentified peak could be determined by NMR or Mass spectrometry. Three different chromatographic methods have been tested and compared over their selectivity, sensibility, robustness, applicability and their quantitative power. The HPLC-RID (Refractive Index Detector) used with a Prevail Carbohydrate column (Alltech), adapted for carbohydrates with a certain value of DP, appear to be poorly selective due to the obligation of working in isocratic conditions. The HPLC-ELSD (Evaporating Light Scattering Detector) used with the same column gave a very good separation upon the DP as the Prevail accepts a wide range of solvant changing and even a separation of the different DP 2 molecules. The sensibility was also improved due to the stability of the baseline. The quantitative analysis is a bit more awkward due to the relatively limited linear portion of the calibration curve. High-performance Anion Exchange Chromatography coupled with Pulsed Amperometric Detection (HPAEC-PAD) appeared to deserve a special mention, since it provides selective separation and sensitive detection. In fact, this technique is the only chromatographic one to separate with effectiveness homologue molecules having a difference only in their DP (up to high DPs) or linkage types. This is due to the separation mode based on the difference in ionic force of the sugars in alkaline conditions (mainly due to the DP and the structure of the molecule). However, during the detection, the electrochemical behavior of carbohydrates can be affected by molecular weight as well as by structural differences giving rise to different response factors; as a consequence, HPAEC-PAD is not generally considered as suitable for quantitative studies of complex mixtures of oligosaccharides. In this work a methodological approach is presented in order to get a quantitative response through a rigorous methodology for our IMOs. It also opens the way to the theoretical determination of the response factor for the homologue molecules in relation with their structure and DP. [less ▲]

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See detailNaklady energetyczno-materialowe w aspekcie zrownowazonej produkcji rolniczej
Sawa, Jozef; Huyghebaert, Bruno; Burny, Philippe ULg

in Inzynieria Rolnicza (2006), 13(88), 417-422

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See detailDynamics of the Io UV footprints: short timescale brightness variations
Bonfond, Bertrand ULg; Grodent, Denis ULg; Gérard, Jean-Claude ULg

Conference (2006)

The electromagnetic interaction between Io and Jupiter's magnetic field leads to single or multiple UV spots in both jovian hemispheres. Variations of the multiplicity of the spots and the inter-spots ... [more ▼]

The electromagnetic interaction between Io and Jupiter's magnetic field leads to single or multiple UV spots in both jovian hemispheres. Variations of the multiplicity of the spots and the inter-spots distances have been observed and are linked to the position of Io in its plasma torus. These morphological changes have a timescale of a few hours. We have studied the footprint evolution with a time resolution of a few tens of seconds using the HST/STIS camera in the time-tag mode. This approach resulted in an evaluation of the impact of the rapid evolution of the jovian magnetic field lines when measuring the dimensions of the spots with a longer exposure time. More basically, evidence of strong brightness variations of the main spots (up to 40%) have been observed with a typical growth time of 1 minute. Finally, unexpected simultaneous fluctuations of both primary and secondary spots have also been found in the southern hemisphere. In conclusion, the characterisation of the variations mentioned herein provides clues for a complex and rapidly evolving energetic electrons precipitation mechanism. [less ▲]

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See detailStrategic assessment of urban cultural heritage : the case of Old Town Square in Prague
Teller, Jacques ULg; Drdacky, T.

in European research on cultural heritage : state of the art studies - Vol. 4 (2006)

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See detailLes livres imprimés en langue française avant 1500 dans les Pays-Bas méridionaux : réflexions sur leur mise en page
Adam, Renaud ULg

in Van Hemelryck, Tania; Van Hoorebeeck, Céline (Eds.) L'écrit et le manuscrit à la fin du Moyen Age : actes du IIème colloque international du Groupe de recherche sur le moyen français (2006)

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See detailLe réseau Natura 2000 en Région wallonne : stratégies, réseaux écologiques et mise en oeuvre.
Dufrêne, Marc ULg

in Lebrun, Philippe (Ed.) Chaire Tractebel-Environnement 2004 - Biodiversité : Etat, enjeux et perspectives (2006)

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See detailA new discontinuous Galerkin method for non-linear Mechanics
Noels, Ludovic ULg; Radovitzky, Raúl

(2006)

A discontinuous Galerkin framework for large deformations of solids is established. The method is based on a general Hu-Washizu-de Veubeke functional allowing for displacement and stress discontinuities ... [more ▼]

A discontinuous Galerkin framework for large deformations of solids is established. The method is based on a general Hu-Washizu-de Veubeke functional allowing for displacement and stress discontinuities in the domain interior. The focus of this paper is on the treatment of large elasto-plastic deformations. The method is shown to possess the required numerical properties: consistency in the non-linear range and linearized stability. In order to demonstrate the versatility, accuracy and robustness of the method examples of application and convergence studies in three dimensions are provided. Further developments of the method will lead to applications where physical discontinuities must be modeled like fragmentation or failure. [less ▲]

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See detailLagrangian simulations of penetration environments via mesh healing and adaptative optimisation
Mauch, Sean; Noels, Ludovic ULg; Zhao, Zizu et al

(2006)

In this work, we demonstrate the feasibility of fully-Lagrangian finite element simulations of the mechanics of three-dimensional penetration environments. The key enabling component is a robust library ... [more ▼]

In this work, we demonstrate the feasibility of fully-Lagrangian finite element simulations of the mechanics of three-dimensional penetration environments. The key enabling component is a robust library informed with state-of-the-art algorithms for mesh healing and optimization, which is repeatedly used during the simulations to eliminate deformation-induced mesh distortion and to maintain the quality of the numerical solution. The computational strategy effectively avoids the need to resort to artifacts such as element deletion or conversion to meshless particles which have been proposed to eliminate the issue of mesh distortion. The effectiveness of the computational strategy is demonstrated in a simulation of deep oblique penetration of a spherical-nosed steel rod on an aluminum target. [less ▲]

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See detailAnalyse inverse en géotechnique : Application à une excavation en milieu urbain
Levasseur, Séverine ULg; Malécot, Yann; Boulon, Marc et al

Conference (2006)

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