References of "Scientific congresses and symposiums"
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See detailTime-resolved SAXS measurements of phase separation during silica gel formation
Gommes, Cédric ULg; Goderis, Bart; Pirard, Jean-Paul ULg et al

Poster (2003, October)

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See detailDistribution of nerve fibres and prion protein expression in mice Peyer’s patches
Defaweux, Valérie ULg; Dorban, G.; Demonceau, C. et al

Poster (2003, October)

Prion pathogenesis following oral exposure is thought to involve gut-associated lymphoid tissue, which includes Peyer’s patches (PP). The antigens enter into the underlying lymphoid tissue organized in PP ... [more ▼]

Prion pathogenesis following oral exposure is thought to involve gut-associated lymphoid tissue, which includes Peyer’s patches (PP). The antigens enter into the underlying lymphoid tissue organized in PP through the medium of M cells. Infectious prion protein (PrPres) would probably take the same way of entry and like this initiate the first stage of lympho-invasion. Theoretically, intestinal lymphoid cells can come in contact with ingested PrPres and with nerve endings of the intramural system. The distribution pattern of the nerve fibres and lymphoid cells in PP and possible contact between these two elements implicated in neuroinvasion are not yet fully elucidated. In our study, classical immunoperoxydase staining and double immunofluorescence staining analysed with a confocal microscope has been carried out on C56Bl/6 mice PP. Immunoperoxidase and immunofluorescent CD11c stainings show numerous dendritic cells (DC) in the suprafollicular dome, close to the epithelium made of enterocytes and M-cells. Confocal studies show the presence of DC in the T cell zones of Peyer's patches, and also close to B cells in the follicule and to follicular dendritic cells (FDC) in the germinal centres. The PrPc expression, fundamental in the pathogenesis of prion diseases, is notably localized in germinal centres, co-localized with the FDC network and on cellular structures close to the epithelium, co-localized with DC. Nerve fibres have been immunostained in fluorescence using antibodies raised against neurofilaments High, Medium and Low and against glial fibrillary acidic protein (GFAP). Only GFAP staining revealed the presence of some nerve fibres in the suprafollicular dome, coursing the mucosal epithelium and also at the periphery of germinal centres in close connection with numerous dendritic cells. Such results permit us to postulate that these nerve fibres and PrPc positive dendritic cells, strategically positioned under the intestinal epithelium as well as in the germinal centres close to FDC network, highly expressing PrPc and thought to replicate PrPres, may be involved in the peripheral transport of the infectious prion protein. [less ▲]

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See detailAvocado/soybean unsaponifiables reverse H2O2 decoupling effect on aggrecan, type II collagen and metalloproteases gene expression in human chondrocytes
Mathy, Marianne ULg; Devel, P.; Piccardi, Nathalie et al

in Osteoarthritis and Cartilage (2003, October), 11(Suppl.1), 99

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See detailInfluence of oxygen tension on nitric oxide and prostaglandin E2 production by bovine chondrocytes
Burton, Sandrine; Mathy, Marianne ULg; Deby-Dupont, Ginette et al

in Osteoarthritis and Cartilage (2003, October), 11(Suppl.1), 58

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See detailDOMS : traitement ou prévention ?
Croisier, Jean-Louis ULg; Forthomme, Bénédicte ULg; Maquet, Didier ULg et al

in Actes des 4èmes Journées Belges d’Isocinétisme (2003, October)

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See detailAdvocado/soybean unsaponifiables decrease the expression of pro-inflammatory genes in human chondrocytes
Mathy, Marianne ULg; Devel, P.; Piccardi, Nathalie et al

in Osteoarthritis and Cartilage (2003, October), 11(Suppl.1), 97-98

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See detailThe value of isokinetic muscle testing in the anterior knee pain syndrome. A prospective study in a military setting
van Tiggelen, Damien; Deloyer, P.; Flagothier, P. et al

in Actes des 4èmes Journées Belges d’Isocinétisme (2003, October)

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See detailProfil isocinétique des fléchisseurs et extenseurs du coude
Maquet, Didier ULg; Croisier, Jean-Louis ULg; Forthomme, Bénédicte ULg et al

in Abstract book des 4èmes Journées Belges d’Isocinétisme (2003, October)

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See detailExploration isocinétique de l’épaule : mise au point
Forthomme, Bénédicte ULg; Huskin, Jean-Pierre ULg; Willems, S. et al

in Actes des 4èmes Journées Belges d’Isocinétisme (2003, October)

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See detailCartilage degradation and oxidative damage in osteoarthritic and rheumatoid arthritic patients
Deberg, Michelle ULg; Labasse, Alain ULg; Christgau, Stephan et al

in Osteoarthritis and Cartilage (2003, October), 11(Suppl.1), 15

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See detailThe skin compatibility of new cyclodextrin derivatives: the phospholipidyl-cyclodextrins
Piel, Géraldine ULg; Moutard, Stéphane; Uhoda, Emmanuelle ULg et al

Poster (2003, October)

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See detailEpidémiologie de la pression artérielle chez l’adolescent.
Saint-Remy, Annie ULg

Conference (2003, September 20)

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See detailL'articulation entre formation initiale et recherche pour les futurs enseignants de langues étrangères
Lucchini, Silvia ULg; Maravelaki, Aphrodite

Conference (2003, September 19)

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See detailL'hypertension artérielle
Krzesinski, Jean-Marie ULg

Conference (2003, September 18)

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See detailComportement des variétés de froment vis-à-vis de l'hiver 2002-2003
Couvreur, Luc; Herman, Jean-Luc; Vancutsem, Françoise ULg et al

in Livre Blanc: Céréales - Gembloux - Informations avant les semis (2003, September 09)

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See detailAperçu de la qualité des froments d'hiver en 2003
Sinnaeve, Geoges; Lenartz, J.; Herman, Jean-Luc et al

in Livre Blanc: Céréales - Gembloux - Informations avant les semis (2003, September 09)

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See detailLe froment d'hiver
Vancutsem, Françoise ULg; Couvreur, Luc; Bodson, Bernard ULg et al

in Livre Blanc: Céréales - Gembloux - Informations avant les semis (2003, September 09)

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See detailMesures agri-environnementales (MAE) en froment d'hiver
Soete, Alice; Vancutsem, Françoise ULg; Bodson, Bernard ULg et al

in Livre Blanc: Céréales - Gembloux - Informations avant les semis (2003, September 09)

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See detailFumure et protection phytosanitaire des céréales
Monfort, Bruno; Herman, Jean-Luc; Bodson, Bernard ULg et al

in Livre Blanc - Céréales Gembloux (2003, September 09)

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See detailTraitement des semences de froment contre le piétin-échaudage
Moreau, Jean-Marc; Couvreur, Luc; Vancutsem, Françoise ULg

in Livre Blanc: Céréales - Gembloux - Informations avant les semis (2003, September 09)

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See detailEcological requirements for black grouse. A case study in the belgian Hautes-Fagnes.
Keulen, Christine; Pieper, Y.; Doyen, A. et al

Conference (2003, September 08)

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See detailEstimation of surface soil organic matter by means of hyperspectral data analysis.
Touré, Souleymane; Tychon, Bernard ULg

Conference (2003, September 04)

This presentation shows results from two different hyperspectral instruments for the assessment of soil organic content of agricultural soils in southern Belgium.

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See detailEffect of the inclusion time of extruded linseed supplementation before slaughter on n-3 fatty acids enrichment of chicken meat.
Rondia, P.; Delmotte, Charles; Maene, D. et al

Poster (2003, September)

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See detailSe perfectionner en français à distance
Defays, Jean-Marc ULg

Conference (2003, September)

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See detailInfluence of dose on the persistence of conditioned place preference induced by cocaine in C57BL/6J mice
Brabant, Christian ULg; Tirelli, Ezio ULg

in Behavioural Pharmacology (2003, September), 14(Suppl. 1), 54

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See detailIrrigation avec les eaux usées traitées : manuel d'utilisation.
Bazza, M.; Xanthoulis, Dimitri ULg

Conference (2003, September)

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See detailEarly onset neonatal sepsis and meningitis in Belgium: a decade review
MELIN, Pierrette ULg; Maquet, Julie; Ducoffre, Geneviève et al

in American Society of Microbiology (Ed.) Program and Abstracts of the 43rd Intersciences Conference on Antimicrobial Agents and Chemotherapy (2003, September)

Background: In the late 1990s, Belgium has reached the era of “group B streptococcal (GBS) prevention” and after 1996, some institutions, but not the majority, had implemented intrapartum ... [more ▼]

Background: In the late 1990s, Belgium has reached the era of “group B streptococcal (GBS) prevention” and after 1996, some institutions, but not the majority, had implemented intrapartum antibioprophylaxis for GBS prevention. Concern exists that one unintended consequence of GBS prevention efforts through chemoprophylaxis may be an increase in the rate of serious neonatal infections due to Gram negative bacteria (GNB). To monitor trends, continued surveillance of neonatal sepsis is needed. Methods: On a weekly basis, laboratories of the Belgian sentinel network notified each case of neonatal bacteremia or meningitis occurring within 28 days after birth. We reviewed on a year-base data collected from 1991-2001 for early–onset diseases (EOD; < 5 days). Results: A yearly mean of 47 cases (24-90) were notified by 28 (16-35) laboratories. Overall GBS remained the leading cause and represented annually 37.9% (25-54.7%) of EOD and did not show significant change. It was followed by E.coli 11.4%, coagulase negative staphylococci (CNS) 11.9%, S.aureus 9.9%, Listeria sp 3.9%, S.pyogenes (GAS) 2.5%, S.pneumoniae 2.7%, H.influenzae 2.7% and others. During the decade, whereas a significant reduction in the rate of E.coli and other GNB EOD occurred (p <0.01), significant increases in the rate of EOD due to GAS (p <0.001), S.aureus (p <0.001), and CNS (p <0.01), were found. For CNS, we did not have data to distinguish definite or possible infections from contaminations. Conclusions: 1) During the last decade, GBS has remained the leading cause of neonatal EOD. 2) A decline in the rate of E.coli and other GNB infections occurred. 3) In the late 1990s, S.aureus and CNS were more frequently reported. 4) An increase in GAS occurrence was found 5) Potential change in pathogens overtime requires confirmation by ongoing surveillance. [less ▲]

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See detailValidation of a shell finite element for concrete and steel structures subjected to fire
Talamona, D.; Lim, L.; Franssen, Jean-Marc ULg

in Proceedings of the 4th International Seminar on Fire and Explosion Hazards (2003, September)

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See detailOsteoporosis prevalence estimates for men: variation based on normative data
Gourlay, Margaret L; Richy, Florent; Garrett, Joanne et al

in Arthritis and Rheumatism (2003, September), 48(number 9 (suppl.)), 298

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See detailControlled whole body vibrations improve health related quality of life in elderly patients
Bruyère, Olivier ULg; Wuidart, Marc-Antoine; Di Palma, Elio et al

in Arthritis and Rheumatism (2003, September), 48(9, Suppl. S), 502

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See detailConvective drying of wastewater sludges: Influence of air temperature, superficial velocity and humidity on the kinetics
Léonard, Angélique ULg; Blacher, Silvia ULg; Marchot, Pierre ULg et al

in Pakowski, Zdzislaw (Ed.) X Drying Symposium, Lodz, 17-19 September 2003 (2003, September)

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See detailIsolation of plunc (palate, lung and nasal epithelium clone protein) in the bronchoalveolar lavage from dogs: preliminary results
Clercx, A.; Vandenbussche, G.; Ruysschaert, J. M. et al

in 13th ESVIM Meeting - Uppsala - Septembre 2003 (2003, September)

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See detailFire design of steel structures EC3
Franssen, Jean-Marc ULg

in Proceedings of the International Seminar on Fire Safety of Steel Structures (2003, September)

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See detailAntimicrobial Susceptibilities of recent clinical isolates of group B streptococci agalactiae from Belgium
MELIN, Pierrette ULg; Maquet, Julie; Rodriguez Cuns, Grisel et al

in American Society of Microbiology (Ed.) Program and Abstracts of the 43rd Intersciences Conference on Antimicrobial Agents and Chemotherapy (2003, September)

Background: : GBS cause severe infections in neonates, pregnant women and other adults. Empiric therapy is usually started before susceptibility results are available. Early neonatal diseases can be ... [more ▼]

Background: : GBS cause severe infections in neonates, pregnant women and other adults. Empiric therapy is usually started before susceptibility results are available. Early neonatal diseases can be prevented with intrapartum antibiotic prophylaxis based on accurate susceptibility surveillance data. A previous Belgian study showed an increase of 3 to 10 % R to erythromycin (EM) through the 1990s. Methods: 187 GBS isolates consecutively received at the reference laboratory between 2001 to March 2003 were from 73 neonates (52 early-onset and 21 late-onset diseases), 52 adults and 62 from pregnant women’s vagina. MICs of penicillin (PG), EM, clindamycin (CM) and gentamicin (GM) were determined with Etest. PG MBCs were also determined by inactivating the drug in MIC plates using betalactamase. EM resistant (R) isolates were tested by the CM + EM double disk to determine macrolide R phenotypes. Results: All strains were susceptible (S) to PG and no tolerance was observed with MBCs falling within 2 dilutions of MICs. 19.2% of isolates were R to EM, with significantly more R isolates from adults (30.8%; p <0.01) and serotype V (46.8%; p <0,001). 80% had the MLSB phenotype (R to EM and CM), 16 were constitutive and 12 inducible. The M phenotype (R to EM and S to CM) was seen in 7 (20%) of isolates. Less than 10% of isolates were inhibited by GM MIC of <=64 mg/L, 83.6% by 128-256 mg/L and 2.9% by >/=512 mg/L. Non typable strains were more R to GM (p <0.01). Conclusions: 1) PG remained active against all isolates and no tolerance was seen. 2) Prevalence of R to macrolides had increased since 1999, particularly in adult isolates and serotype V. 3) Intermediate to high level R to GM was seen and potential synergy of PG + GM should be investigated. 4) R surveillance is mandatory to guide prophylaxis and treatment of serious GBS infections. [less ▲]

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See detailAnesthésie obstétrical et pathologie respiratoire
Brichant, Jean-François ULg

Conference (2003, September)

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

Conference (2003, September)

The control of soil nitrogen (N) availability under elevated atmospheric CO2 is central to predicting changes in ecosystem carbon storage and primary productivity. The effects of elevated CO2 on ... [more ▼]

The control of soil nitrogen (N) availability under elevated atmospheric CO2 is central to predicting changes in ecosystem carbon storage and primary productivity. The effects of elevated CO2 on belowground processes have so far attracted limited research and they are assumed to be controlled by indirect effects through changes in plant physiology and chemistry. In this study, we investigated the effects of a 4-year exposure to elevated CO2 (ambient + 400 μmol mol-1) in open top chambers under Scots pine (Pinus sylvestris L.) on net nitrification and the community of ammonia-oxidising bacteria. Net nitrate production was significantly increased for soil from the elevated CO2 treatment in the field when incubated in the laboratory under elevated CO2, but there was no effect when incubated under ambient CO2. Net nitrate production of the soil originating from the ambient CO2 treatment in the field was not influenced by laboratory incubation conditions. These results indicate that a direct effect of elevated atmospheric CO2 on soil microbial processes might take place. Molecular analysis of the ammonia-oxidising bacteria from the same soils before laboratory incubation was investigated using a PCR-based approach targeting the 16S rRNA gene of beta-subgroup ammonia oxidisers. After specific PCR, DGGE (Denaturing Gradient Gel Electrophoresis) and sequence analysis were used to determine ammonia-oxidiser community structure. First results indicate the disappearance of Nitrosospira clusters I, II and III under elevated CO2 but also call for systematic analysis of replicates to take into account methodological and sample variability. [less ▲]

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See detailRisk assessment tools for osteoporosis: Scope and limits
Richy, Florent; Gourlay, Margaret; Ross, Philip D et al

in Arthritis and Rheumatism (2003, September), 48(number 9 (suppl.)), 215

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See detailDemonstration of the two-way nesting in the Gulf of Lions
Vandenbulcke, Luc ULg; Barth, Alexander ULg; Ben Bouallegue, Z. et al

Conference (2003, September)

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See detailWastewater recycling of olive mills in Mediterranean countries : Demonstration and sustainable reuse of residuals.
Herold, D.; Jullich, U.; Neskakis, A. et al

Conference (2003, September)

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See detailClinical comparison between nasopharyngeal, oropharyngeal and laryngopharyngeal disorders in dogs and cats: a review of 80 cases.
Billen, Frédéric ULg; Peeters, Dominique ULg; Day, Michael et al

in Proceedings of the 13th ECVIM-CA Congress (4-6/09/2003), Uppsala, Sweden (2003, September)

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See detailOptimisation de l'irrigation localisée avec les eaux usées traitées.
Chenini, F.; Penadille, Y.; Xanthoulis, Dimitri ULg et al

Conference (2003, September)

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See detailEtude de l’influence d’un nouveau mobile d’agitation sur le transfert d’oxygène et la production de xylanases par Penicillium canescens
Bakri, Y.; Jacques, Ph.; Shi, L. et al

Poster (2003, September)

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See detailHurricane Simulation on Power Transmission Line
Lilien, Jean-Louis ULg; Snegovski, Dmitri; Capelle, Thierry ULg

in Proceedings of the 5th International Conference on Cable Dynamics (2003, September)

The hurricane winds are characterized by high speeds, at which the « drag crisis » regime of flow around cable is achievable. That is why, in the calculation of the wind-induced movement of the overhead ... [more ▼]

The hurricane winds are characterized by high speeds, at which the « drag crisis » regime of flow around cable is achievable. That is why, in the calculation of the wind-induced movement of the overhead transmission line during hurricane, it is important to represent the cable aerodynamic drag as Reynolds-dependent. In order to assess the behaviour and fatigue resistance of the transmission line conductor under hurricane conditions, the Reynolds-dependent drag coefficient was introduced in the SAMCEF Mecano finite-element software. To represent the hurricane wind loading, the turbulent, spatially non-uniform wind model was used. Results of comparative study of the smooth cable AERO-Z and the classical multistrand cable, including the percentage of load reduction offered to supporting structure, are presented. [less ▲]

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See detailA projective approach to handle 3D spatial data
Billen, Roland ULg

Poster (2003, September)

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See detailInfluence of the section and of the insulation type on the equivalent time
Cadorin, Jean-François; Perez, Christian; Franssen, Jean-Marc ULg

in Proceedings of the 4th International Seminar on Fire and Explosion Hazards (2003, September)

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See detailL'implantation: premier dialogue entre la mère et l'embryon
Geenen, Vincent ULg

Conference (2003, September)

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See detailComparative study of different lipases acting on milk fat globule membrane monolayers.
Danthine, Sabine ULg; Blecker, Christophe ULg; Deroanne, Claude

Poster (2003, September)

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See detailBiogeochemistry of the Scheldt estuary and plume
Sirjacobs, Damien ULg; Shimoni, Michal; Borges, Alberto ULg et al

Conference (2003, September)

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See detailInterleukin-1beta and tumor necrosis factor-alpha enhance the shedding of Interleukin-6 receptor in osteoblastic cells: Involvement of tumor necrosis factor-alpha converting enzyme
Franchimont, N. M.; Lambert, Cecile; Ribbens, Clio ULg et al

in Arthritis and Rheumatism (2003, September), 48(9, Suppl. S), 482

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See detailOn the development of a model updating strategy of nonlinear vibrating structures
Kerschen, Gaëtan ULg; Golinval, Jean-Claude ULg

in ASME International Design Engineering Technical Conferences, Chicago, 2003 (2003, September)

The objective of this paper is to present a model updating strategy of non-linear vibrating structures. Because modal analysis is no longer helpful in non-linear structural dynamics, a special attention ... [more ▼]

The objective of this paper is to present a model updating strategy of non-linear vibrating structures. Because modal analysis is no longer helpful in non-linear structural dynamics, a special attention is devoted to the features extracted from the proper orthogonal decomposition and one of its non-linear generalisations based on auto-associative neural networks. The efficiency of the proposed procedure is illustrated using simulated data from a three-dimensional portal frame. [less ▲]

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See detailEfficience et bilan de l'azote apporté par l'engrais et par les eaux usées traitées.
Khelil, M. N.; Rejeb, S.; Destain, Jean-Pierre ULg et al

Conference (2003, September)

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See detailPrevention of human errors
Nyssen, Anne-Sophie ULg

Conference (2003, September)

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See detailRaloxifene protects Osteoblasts from apoptosis induced by sodium nitroprusside: Potential involvement of ceramide
Olivier, Sabine ULg; Fillet, Marianne ULg; Malaise, Michel ULg et al

in Journal of Bone and Mineral Research (2003, September), 18(Suppl. 2), 136

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See detailRelationships between DRD2 and DAT polymorphisms and personality traits in healthy subjects
Pinto, Emmanuel ULg; Reggers, Jean ULg; Adam, Martine ULg et al

in European Neuropsychopharmacology (2003, September), 13(Suppl. 4), 427-428

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See detailFive-year follow-up of patients from a previous 3-year randomised, controlled trial of glucosamine sulfate in knee osteoarthritis
Bruyère, Olivier ULg; Compere, Stephanie; Rovati, Lucio C et al

in Arthritis and Rheumatism (2003, September), 48(number 9 (suppl.)), 80

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See detailReconstructing atolls from the Frasnian of Belgium
Boulvain, Frédéric ULg; Cornet, Pierre; Da Silva, Anne-Christine ULg et al

Conference (2003, September)

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See detailCombustion control by means of a photodiode
Ngendakumana, Philippe ULg; Tartari, Paula

in Proceedings of the 25th Task Leaders Meeting (TLM) of the IEA Implementing Agreement "Energy Conservation and Emissions Reduction in Combustion" (2003, September)

The objective of this work was to assess the feasibility of a photodiode to control combustion, instead of a spectrometer (which is an expensive sensor to be used in commercial burners). For that purpose ... [more ▼]

The objective of this work was to assess the feasibility of a photodiode to control combustion, instead of a spectrometer (which is an expensive sensor to be used in commercial burners). For that purpose, the flame emission has been measured in a hot-water boiler fired with light fuel-oil, whose nominal output power goes up to 370 kW. The parameters investigated were: overall air excess, combustion air distribution, burner power and atmospheric conditions. High influence of air distribution on the flame emission was detected by the diode, since it modifies directly the mixing quality reducing rich-fuel regions where soot can be formed. Low influence of air excess and burner power was found. When these parameters increase, the flame emission decreases. This behavior is explained by the better mixing attained at high burner power and at high air excess. However the high emission level observed at low firing rate can be reduced with a good burner adjustment. With the photodiode, it was possible to find the optimum air excess value where NO, CO and soot are as low as possible. As the photodiode measures locally in the flame, results were compared with images obtained with a CCD camera. Finally, these results are in good agreement with those obtained previously with the spectrometer. [less ▲]

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See detailGabazine (SR95531) effect on memory consolidation and context-dependent memory in mice
Bernaerts, R.; Tirelli, Ezio ULg

in Behavioural Pharmacology (2003, September), 14(Suppl. 1), 29

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See detailEfficacy of alphacalcidol and calcitriol in primary and corticosteroid-induced osteoporosis: a meta-analysis of their effects on bone mineral density and fracture rate
Richy, Florent Y; Reginster, Jean-Yves ULg

in Arthritis and Rheumatism (2003, September), 48(number 9 (suppl.)), 214

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See detailMoisture profiles determination during convective drying using X-ray microtomography
Léonard, Angélique ULg; Blacher, Silvia ULg; Marchot, Pierre ULg et al

in Proceedings of the 3rd World Congress on Industrial Process Tomography, Banff, Canada (2003, September)

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See detailUse of X-ray microtomography to determine internal moisture profiles during convective drying of deformable materials
Léonard, Angélique ULg; Blacher, Silvia ULg; Marchot, Pierre ULg et al

in Saravacos, G.; Maroulis, Z. B.; Krokida, M. (Eds.) et al Proceedings of the European Drying Symposium - EuDrying03 (2003, September)

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See detailIdentification of the signalling pathways required for interleukin-1 beta stimulation of osteoprotegerin synthesis in osteoblastic cells
Lambert, Cecile; Ribbens, Clio ULg; Bours, Vincent ULg et al

in Journal of Bone and Mineral Research (2003, September), 18(Suppl. 2), 142

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See detailQualitative and quantitative criteria for comfortable urban public spaces
Reiter, Sigrid ULg; De Herde, André

in Carmeliet, Jan; Hens, Hugo; Vermeir, Gerrit (Eds.) Research in building physics. Proceedings of the 2nd International Conference on Building Physics (2003, September)

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See detailStructural and symptomatic efficacy of glucosamine and chondroitine sulfate in osteoarthritis: a comprehensive meta-analysis
Richy, Florent Y; Bruyère, Olivier ULg; Ethgen, Olivier ULg et al

in Arthritis and Rheumatism (2003, September), 48(number 9 (suppl.)), 214

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See detailLOVECLIM, a three-dimensional model of the Earth system for investigating long-term climate changes
Driesschaert, E.; Brovkin, V.; Fichefet, T. et al

Conference (2003, September)

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See detailFamilial isolated pituitary adenomas (FIPA) : not only acromegaly
Jaffrain-Réa, M. L.; Tamburrano, G.; Ciccarelli, A. et al

in 30 Congresso Nazionale della Socièta Italiana di Endocrinologia : Milano, 24-27 settembre 2003 (2003, September)

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See detailStress echocardiography in horses: comparison of cardiac output during incremental dobutamine infusion in atropinised and non-atropinised ponies
Sandersen, Charlotte ULg; Detilleux, Johann ULg; Delguste, Catherine ULg et al

in Proceedings of the 42d Annual Congress of the British Equine Veterinairy Association (2003, September)

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See detailQuasi 2D-numerical model of aerated flow over stepped chutes
Dewals, Benjamin ULg; André, Stéphanie

Conference (2003, August 29)

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See detailLifting of valid inequalities revisited
Louveaux, Quentin ULg

Conference (2003, August)

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See detailIce storage (ISS) : simulation of a typical HVAC primary plant equipped with an ice storage unit.
Adam, Ch.; Andre, Philippe ULg

(2003, August)

Within the framework of energy management in a tertiary building, it is necessary to evaluate the possibilities of cold energy storage. This study includes the consideration of ice storage for the ... [more ▼]

Within the framework of energy management in a tertiary building, it is necessary to evaluate the possibilities of cold energy storage. This study includes the consideration of ice storage for the airconditioning of the buildings. To compare objectively the operating strategies, the manager needs to reproduce the ISS performances for the same conditions (building, cooling and electrical demands, climate conditions,...). He needs also informations to chose the appropriate plant configuration or operating strategy to meet the global cooling demand taking into account the characteristics of the tank, of the demand curve,... at each moment. A simulation model of an entire HVAC primary plant should provide this information. This paper focuses on the adaptation of a latent storage model to an example of ISS. In order to validate the model the results of the simulation are compared to the performances of a small-size. [less ▲]

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See detailDifferent approaches for the simulation of an experimental building hosting a climate chamber devote to artificial fog production
Andre, Philippe ULg; Kelly, N.; Boreux, Jean-Jacques ULg et al

(2003, August)

In the context of a european project dealing with the issue of transport safety improvement in fog conditions, an experimental building has been constructed on the FUL campus, in the southern part of ... [more ▼]

In the context of a european project dealing with the issue of transport safety improvement in fog conditions, an experimental building has been constructed on the FUL campus, in the southern part of Belgium. This building hosts a climatic chamber in which a given indoor climate is to be maintained (temperature and relative humidity) whatever the external climate, in order to promote the artifical production of fog by water droplets spraying. During the design of the building and of the HVAC plant, different simulation approaches were carried out in order to evaluate and possibly optimize the technical choices concerning: - the building envelope - the material for the climatic chamber - the control strategy of the HVAC system Two categories of simulation tools were used to solve the different tasks: - building simulation tools - CFD programs For the first category, simulations were performed using both ESP-r and TRNSYS with the objective of solving the following questions: optimization of the building envelope (orientation and shading of the building, insulation, fenestration); sizing of the HVAC system; comparison of control strategies (direct control, indirect control, radiative and/or convective conditioning); estimation of energy consumption and comfort Within the second category, the FLUENT and ESP-r software were used and compared in order to predict the homogeneity of the thermal state within the test room and to calculate the effect of injecting a high amount of small water droplets on fog production, maintenance and visibility. Therefore, the ESP-r CFD module program was augmented with a specific model of water droplet diffusion. The paper will tackle the main modelling assumptions at the basis of each simulation experiment, the data preparation and the results of the calculations. For each phase, advantages and limitations of the simulation approach will be highlighted. These developments are considered as a first step towards the implementation of a virtual testing environment in the field of automotive transport which could be complemented by additional issues dealing with passengers comfort, acoustics, air quality, level of illuminance generated by the virtual production of fog. [less ▲]

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See detailIsolation of bacteriocin-producing lactic acid bacteria from fermented fish product in Senegal.
Dortu, C.; Roblain, D.; Totte, A. et al

Poster (2003, August)

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See detailAn efficient decentralized on-line traffic engineering algorithm for MPLS networks
Blanchy, François; Mélon, Laurent; Leduc, Guy ULg

in Providing Quality of Service in Heterogeneous Environments (2003, August)

Multi-Protocol Label Switching (MPLS) provides ways to control the Label Switched Paths (LSPs) followed by traffic trunks in a network and thereby to better traffic engineer it. In this context, we look ... [more ▼]

Multi-Protocol Label Switching (MPLS) provides ways to control the Label Switched Paths (LSPs) followed by traffic trunks in a network and thereby to better traffic engineer it. In this context, we look at the problem of organizing the mapping of LSPs in an optimal way throughout the network on the basis of a given objective function. This problem is highly combinatorial and makes dynamic and real-time features a difficult issue for any LSP routing scheme. For this reason, we propose a computationally efficient, though approximate, on-line scheme adapted to an incremental optimization of the network state. It is then applied to a seldom mentioned traffic engineering problem: the compromise between load-balancing and traffic minimization. It is expected that clever routing strategies to balance the network load will sometimes favor longer paths in order to avoid congestion, leading to an increase of the overall network utilization. This reasoning is confirmed by our study, and we show that an improvement in network management can be made by appropriately tuning this compromise. [less ▲]

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See detailStudy of the biodiversity of spore forming lactic bacteria and their technological properties.
Bayane, A.; Roblain, D.; Antoine, P. et al

Poster (2003, August)

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See detailRuthenium N-heterocyclic carbene complexes: Versatile catalysts precursors for olefin metathesis, olefin cyclopropanation, and radical reactions
Demonceau, Albert ULg; Richel, Aurore ULg; Delfosse, Sébastien et al

Conference (2003, August)

N-heterocyclic carbenes are divalent carbon species, which are commonly used as neutral, two-electron ligands with a negligible p-back-bonding tendency. They behave as phosphine mimics, yet they are ... [more ▼]

N-heterocyclic carbenes are divalent carbon species, which are commonly used as neutral, two-electron ligands with a negligible p-back-bonding tendency. They behave as phosphine mimics, yet they are better s-donors and they form stronger bonds to metal centres than most phosphines. Their electronic and steric properties are liable to ample modification simply by varying the substituents on the nitrogen atoms. Therefore, N-heterocyclic carbenes constitute a promising new class of ligands available for catalyst engineering and fine tuning, and a great deal of attention has been paid to them recently. We found that the 18-electron complex RuCl2(p-cymene)(PCy3) was a versatile and efficient promoter for the ring-opening metathesis polymerisation of both strained and low-strain cyclic olefins when activated by a suitable carbene precursor such as trimethylsilyl-diazomethane. RuCl2(p-cymene)(PCy3) was also an excellent catalyst for ATRP (Atom Transfer Radical Polymerisation) of methyl methacrylate and styrene. Here, we present preliminary results obtained in olefin metathesis, olefin cyclopropanation, and radical reactions (ATRP and Kharasch addition) when tricyclohexylphosphine was substituted by an N-heterocyclic ligand. [less ▲]

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