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See detailThe Limits of Diasporic Solidarity in Dinaw Mengestu's Fiction
Ledent, Bénédicte ULg

Conference (2012, October)

Detailed reference viewed: 14 (1 ULg)
See detailComparing the paleoseismic record obtained by coring a sag-pond and by classical trenching along the eastern segment of the North Anatolian Fault
Hubert, Aurelia ULg; Avsar, Ulas; Fraser, Jeef et al

Conference (2012, October)

Shallow lakes along minor structural bends or discontinuities of strike-slip fault are not usually paleoseismological target sites. In the present talk we show that a 2m deep, 700m long lake crosscut by ... [more ▼]

Shallow lakes along minor structural bends or discontinuities of strike-slip fault are not usually paleoseismological target sites. In the present talk we show that a 2m deep, 700m long lake crosscut by the eastern segment of the North Anatolian Fault contains a reliable paleoseimological record obtained through coring. The North Anatolian Fault, a major strike-slip fault in Turkey, last ruptured across the Aşağıtepecik Lake in 1939 with a slip of about 6 m. Seismic lines still show remains of the fault rupture forming minor scarps across the lake. Collected short cores display a set of sedimentary sequences. Each sequence is composed of similar organic rich sedimentary units. The lower unit is dark and fibrous, and is similar to the present sedimentation at the top of the core. The upper unit is disturbed and has anomalous organic matter content, grain size and mineralogy. It is interpreted as an earthquake induced sedimentary event. The 2.5 m long AT2007LG core comprises four sequences, and four sedimentary events. Radiogenic 210Pb and 137Cs data obtained in Boes et al. (2009) imply that the shallowest event 1 was triggered by the 1939 M=7.9 Erzincan earthquake. Radiocarbon dating suggest that events 2 and 4 were initiated by the 1668 and 1254 historical earthquakes. The event 3 does not correspond to a large historical earthquake on the NAF. The record can be compared to a classical paleoseismological study located about 2.5 km more to the east. The investigation comprised three paleoseismic trenches located along about 2km of the principal fault strand. Trench T1 revealed clear evidence for one earthquake interpreted to be the 1939 Erzincan earthquake. Trench T2 revealed evidence of three earthquakes. Trench T3 revealed a record of colluvial wedges that interfinger with fine-grained inter-fan deposits. We interpreted a sequence of six earthquake event horizons including the 1939 Erzincan earthquake. The first three earthquakes are correlated to historical earthquakes in A.D. 1668, 1254, 499 and two further events were identified at 881 – 673 B.C. and 1406 – 1291 B.C. (2σ age ranges). By comparing all available earthquake timing studies,we conclude that the 1939 earthquake segment does not always rupture in unison. [less ▲]

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See detailPositionnement de la fonction RH dans un contexte de crise
Pichault, François ULg

Conference (2012, October)

Detailed reference viewed: 77 (5 ULg)
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See detailModélisation numérique hydrosédimentaire au service de la gestion durable des sédiments
Dewals, Benjamin ULg; Erpicum, Sébastien ULg; Archambeau, Pierre ULg et al

Conference (2012, October)

Le groupe de recherches HECE de l’ULg développe depuis plus de dix ans les systèmes de modélisation hydrosédimentaire WOLF. Intégrant des modules de simulation 1D, 2D-horizontal, 2D-vertical et 3D, il ... [more ▼]

Le groupe de recherches HECE de l’ULg développe depuis plus de dix ans les systèmes de modélisation hydrosédimentaire WOLF. Intégrant des modules de simulation 1D, 2D-horizontal, 2D-vertical et 3D, il permet la modélisation intégrée des diverses phases d’écoulement depuis le ruissellement hydrologique sur les bassins versants jusqu’aux écoulements fluviaux et au voisinage des structures hydrauliques. Deux gammes d’applications récentes du modèle 2D seront présentées : - écoulements de crues et inondations influencés par les dépôts dans les voies navigables et analyse de l’efficacité d’opérations de dragage ; - prédiction de l’engravement de réservoirs (aménagements hydroélectriques) et simulation de mesures de gestion de ces sédiments (opérations de chasse). L’accent sera mis tant sur le volet applicatif que sur les développements numériques innovants sous-jacents. [less ▲]

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See detailL’affaire du voile en Belgique : la vision médiatique de la femme arabo-musulmane réduite à son voile
Luceno Moreno, Marta ULg

Conference (2012, October)

Cela fait maintenant plus de 20 ans que l’affaire du voile a éclaté en Belgique pour la première fois, contaminée par le débat public ouvert en France après l’exclusion du lycée de Creil de trois jeunes ... [more ▼]

Cela fait maintenant plus de 20 ans que l’affaire du voile a éclaté en Belgique pour la première fois, contaminée par le débat public ouvert en France après l’exclusion du lycée de Creil de trois jeunes qui portaient le hijab. Comme en France, depuis 1989 la question du hijab apparaît et disparaît de la scène médiatique belge par intermittence. À la différence de la France, qui en 2004 se penche sur la question afin de trouver une solution juridique fermant définitivement la controverse, la question du hijab à l’école va rester perpétuellement dans le débat belge par manque de solutions politiques. Toutefois, si dans un premier temps la question du hijab se posait uniquement dans les écoles, à partir de 2004 le débat s'élargit et concerne peu à peu les administrations publiques, les salles de justice ou le Parlement, avant d’occuper la totalité de l’espace public avec la question de la burqa. [less ▲]

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See detailAnalyzing terms of a narrative family medicine guidelines using ICPC, ICD, SNOMED-CT and UMLS.
Jamoulle, Marc ULg; Vander Stichele, Robert; Cardillo, Elena et al

Conference (2012, October)

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See detailProposition de Règlement europén régimes matrimoniaux : le choix de la loi applicable
Wautelet, Patrick ULg

Conference (2012, October)

In this presentation I review the provisions of the EU Draft Proposed Regulation on Matrimonial Property, focusing on the choice of law, in the light of the amendments suggested by the EP. Based on this ... [more ▼]

In this presentation I review the provisions of the EU Draft Proposed Regulation on Matrimonial Property, focusing on the choice of law, in the light of the amendments suggested by the EP. Based on this critical review, I offer some suggestions for amendment of the Draft Proposal. [less ▲]

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See detailOptimization of POP analysis in small sample amounts.
L'Homme, Benjamin ULg; Focant, Jean-François ULg

Conference (2012, October)

Detailed reference viewed: 28 (3 ULg)
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See detailRADIATION SHIELDING OF COMPOSITE SPACE ENCLOSURES
Atxaga, G.; Marcos, J.; Jurado, M. et al

Conference (2012, October)

Space electronic systems employ enclosures to shield sensitive components from space radiation. The purpose of shielding is to attenuate the energy and the flux of ionizing radiation as they pass through ... [more ▼]

Space electronic systems employ enclosures to shield sensitive components from space radiation. The purpose of shielding is to attenuate the energy and the flux of ionizing radiation as they pass through the shield material, such that the energy per unit mass (or dose) absorbed in silicon is sufficiently below the maximum dose ratings of electronic components. The received radiation amount varies significantly depending on several variables that include mission parameters (orbit, altitude, inclination and duration), spacecraft design (spacecraft wall thickness and panel-enclosure location). To achieve the optimum shielding with the minimum weight, all these variables have to be considered in the design. Energetic particles, mainly electrons and protons, can destroy or cause malfunctions in spacecraft electronics. The standard practice in space hardware is the use of aluminium as both a radiation shield and structural enclosure. Composite structures show potential for significant mass savings. However, conventional graphite epoxy composites are not as efficient shielding materials as aluminium because of their lower density, that is, for the same mass, composites provide 30 to 40% less radiation attenuation than aluminium. A solution is to embed high density (atomic weight) material into the laminate. This material, typically metallic material, can be dispersed in the composite or used as layers in the laminate (foils). The main objective of the “Radiation Shielding of Composite Space Enclosures” (SIDER) project is the development of the technologies and tools required to obtain lightweight, safe, robust and reliable composite structures. Two different strategies are being analysed as alternatives for radiation shielding: and he incorporation of a high density material foil. This paper will present and analyse the radiation shielding obtained by the incorporation of nanomaterials in composite structures. [less ▲]

Detailed reference viewed: 577 (21 ULg)
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See detailEarly Bronze Age Houses in Upper Mesopotamia: Evidence of Dwellings or Private Enterprises?
Mas, Juliette ULg

Conference (2012, October)

This paper dealt with the research I carried out on domestic architecture and private economy during Early Bronze Age in Upper-Mesopotamia. Archaeological records, as well as textual evidence, has been ... [more ▼]

This paper dealt with the research I carried out on domestic architecture and private economy during Early Bronze Age in Upper-Mesopotamia. Archaeological records, as well as textual evidence, has been used to try to define private households activities and their relationships with official institutions. Households were the main source of production, distribution and consumption during the Early Bronze Age. As it seems that these private economic entities produced goods and crafts in their own houses, analyzing domestic architecture could be a way to approach Mesopotamian economic activities. In Northern Mesopotamia the economic system was already strongly articulated; beyond palatial organizations it was also largely based on private group activities, often structured by kinship. [less ▲]

Detailed reference viewed: 37 (11 ULg)
See detailHepatitis E virus infection in domestic swine, wild boar and human in Belgium
Thiry, Damien ULg; Mauroy, Axel ULg; Brochier, Bernard et al

Conference (2012, October)

Detailed reference viewed: 10 (0 ULg)
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See detailGCxGC-TOFMS for VOC Analyses: Forensic and Medical Applications
Focant, Jean-François ULg

Conference (2012, October)

Detailed reference viewed: 31 (1 ULg)
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See detailAbout the diagnosis of acute transfusion-related reaction during cardiopulmonary bypass
ERPICUM, Marie ULg; BLAFFART, Francine ULg; DEFRAIGNE, Jean ULg et al

Conference (2012, September 29)

Many advances have been realized in the field of blood safety during the last decade: donors’ selection, leukoreduction of packed red blood cells and platelet concentrates, genomic screening of blood ... [more ▼]

Many advances have been realized in the field of blood safety during the last decade: donors’ selection, leukoreduction of packed red blood cells and platelet concentrates, genomic screening of blood-borne diseases, viral and bacterial inactivation process,... However, transfusion of blood components remains unsafe. Therefore, detecting and reporting transfusion-related complications are still essential means for both the patients’ management and the public health approach, since these measures help to adjust preventive measures to be applied in a haemovigilance purpose. Most acute transfusion-related complications occur within minutes or hours after transfusion and require urgent medical care; delayed transfusion reactions may also develop days, even months later, implying a longer follow-up. Transfusion of red blood cells is not infrequent during cardiac surgery with cardiopulmonary bypass. Symptoms of acute transfusion-related reactions include hypotension, diffuse bleeding, hemoglobinuria and oliguria. These symptoms are identical to those that can be observed during a complicated cardiopulmonary bypass. Consequently, identification of acute transfusion-related reactions in this particular situation is quite difficult and probably leads to an under-reporting of their occurrence. In this paper, we explore how to track acute transfusion-related reactions during cardiopulmonary bypass. Any suspicion of such reactions must leads to investigations, in order to confirm the diagnosis. Their detection would allow to better focus their specific treatment and further their notification in a global blood safety policy. [less ▲]

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See detailTransplantation et don d'organes en Belgique
DETRY, Olivier ULg

Conference (2012, September 29)

Detailed reference viewed: 65 (13 ULg)
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See detailCardiac surgery and acute kidney injury: retrospective study
LAGNY, Marc-Gilbert ULg; BLAFFART, Francine ULg; Defraigne, Jean-Olivier ULg et al

Conference (2012, September 29)

Background: In cardiac surgery, acute kidney injury (AKI) is a severe postoperative complication and associated with increased rates of mortality, morbidity, and length of stay in intensive care units ... [more ▼]

Background: In cardiac surgery, acute kidney injury (AKI) is a severe postoperative complication and associated with increased rates of mortality, morbidity, and length of stay in intensive care units (ICU). It occurs in 5% to 30% of patients depending on the definition used [1] [2] [3]. The aim of this study is to present an overview of AKI following cardiac surgery associated or not with cardiopulmonary bypass. Methods: This retrospective study includes patients treated by cardiac surgery from April 1st, 2008 to March 31th, 2009 in a single center. We selected patients who underwent on-pump coronary artery bypass surgery (CABG), off-pump CABG (OPCAB), aortic valve replacement, mitral valve repair or replacement and aortic valve replacement combined with CABG. Patients undergoing renal replacement therapy preoperatively were excluded. The RIFLE classification (Risk, Injury, Failure, Loss and End stage kidney disease) allowed to stratify the patients into the 3 grades of AKI severity. The stratification was based on the most pejorative element observed within 7 days after surgery: increased serum creatinine level or decreased urine output, or decreased glomerular filtration rate according to criteria of Bellomo [4]. Occurrence of AKI was studied by type of cardiac surgery as its impact on the length of stay in ICU and in the hospital. Proportions were compared by the Chi-square test and median values by the Kruskal-Wallis. Results were considered significant at p < 0.05. Results: Four hundred and thirty four patients were included: median (IQR) age 69.0(60.0-76.0) year, 30.2% females, 2.76% urgent/emergent cases. Fifty-eight patients (13.4%) underwent OPCAB, 182(41.9%) on-pump CABG, 104(24.0%) aortic valve replacement, 44(10.1%) mitral valve repair or replacement and 46(10.6%) aortic valve replacement combined with CABG. AKI occurred in 213(49.1%) patients: 79(37.1%) “Risk”, 108(50.7%) “Injury” and 26(12,2%) “Failure”. Occurrence of AKI after OPCAB was 21(9.86%), CABG 80(37.6%), aortic valve replacement 51(23.9%), mitral valve surgery 23(10.8%) and aortic valve replacement combined with CABG 38(17.8%). AKI occurrences differed significantly between the different groups of surgery (p<0.0001). Lengths of stay in ICU were significantly longer (p<0.0001) in AKI group compared with non AKI group: 3(2-4) days versus 2(2-3) days. No difference (p = 0.65) was observed between the two (AKI and NON-AKI) groups in hospital length of stay: 13(10-18) days versus 12(10-16) days. Conclusions: The incidence of AKI is very high in this population as compared to the literature. This may be due to the fact that the three elements of the RIFLE classification for all the population studied have been used: serum creatinine level, urine output and glomerular filtration rate. This study emphasizes the need for clear definition of AKI in order to compare adequately different studies. AKI after cardiac surgery with cardiopulmonary bypass would be further studied in order to develop more appropriate preventive measures. [less ▲]

Detailed reference viewed: 41 (6 ULg)
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See detailHjelmslev's notion of "Participation"
Cigana, Lorenzo ULg

Conference (2012, September 29)

Detailed reference viewed: 14 (0 ULg)
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See detailWhen should we measure Vitamin D in Clinical Practice
CAVALIER, Etienne ULg

Conference (2012, September 29)

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See detailPresentación del libro "L'Association : une utopie éditoriale et esthétique"
Dejasse, Erwin ULg

Conference (2012, September 28)

Detailed reference viewed: 23 (2 ULg)
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See detailUsefulness and limits of the clinical assessment of the gait in old persons
Petermans, Jean ULg

Conference (2012, September 28)

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See detailLe retour de la phagothérapie. Et pourquoi pas…
Sohier, Jean ULg

Conference (2012, September 28)

Detailed reference viewed: 57 (11 ULg)
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See detailOn the origin of Saturn's polar auroral arcs
Radioti, Aikaterini ULg; Grodent, Denis ULg; Gérard, Jean-Claude ULg et al

Conference (2012, September 27)

Saturn’s main auroral emission similarly to Earth’s is suggested to be associated with the open-closed field line boundary. The polar auroral emissions at Saturn, emissions located poleward of the main ... [more ▼]

Saturn’s main auroral emission similarly to Earth’s is suggested to be associated with the open-closed field line boundary. The polar auroral emissions at Saturn, emissions located poleward of the main emission consist of several arc-like and spotty features. In this study we focus on the arc-like structures observed with the UVIS instrument onboard Cassini and we characterize them into three groups: ‘bending arcs’ arcs whose one end is connected to the main emision, ‘oval aligned arcs’ arcs oriented parallel to the main emission and ‘moving arcs’ arcs which move with time inside the main emission. We study their occurrence rate, location, size as well as their associated expansion or contraction of the main emission. Finally, we compare the auroral arcs at Saturn with those in the terrestrial aurora and we examine their relation to a combination of solar wind parameters such as northward IMF, strong IMF magnitude and high solar wind speed. [less ▲]

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See detailIsolating the 130.4 nm and 135.6 nm emissions in Ganymede’s aurora using broadband optics
Molyneux, Philippa M; Grodent, Denis ULg; Bunce, Emma J et al

Conference (2012, September 27)

We discuss a technique for isolating the two main Far Ultraviolet emission lines in Ganymede’s aurora by adding flight proven transmission filters to a broad- band, wide-field imager design. We find that ... [more ▼]

We discuss a technique for isolating the two main Far Ultraviolet emission lines in Ganymede’s aurora by adding flight proven transmission filters to a broad- band, wide-field imager design. We find that the ra- tio of OI emissions at 135.6 nm and 130.4 nm can be recovered if the transmission of the filters and other optical elements are well known. This ratio allows constraints to be placed on the relative abundances of O atoms and O2 molecules within Ganymede’s at- mosphere, leading to more accurate models of atmo- spheric composition. [less ▲]

Detailed reference viewed: 41 (5 ULg)
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See detail"Le théâtre et ses publics : la création partagée" Introduction au colloque
Delhalle, Nancy ULg

Conference (2012, September 27)

Detailed reference viewed: 45 (5 ULg)
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See detail"Gens" isiaque et intailles. L’envers de la médaille
Veymiers, Richard ULg; Bricault, Laurent

Conference (2012, September 26)

Detailed reference viewed: 25 (1 ULg)
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See detailSatellite-induced electron acceleration and related auroras
Hess, Sebastien; Delamere, Peter A.; Bonfond, Bertrand ULg et al

Conference (2012, September 26)

Satellite-induced auroral emissions are known since decades, in particular those associated with the interaction of Io with the Jovian ionosphere. These emissions range from low frequency radio to UV ... [more ▼]

Satellite-induced auroral emissions are known since decades, in particular those associated with the interaction of Io with the Jovian ionosphere. These emissions range from low frequency radio to UV. Flyby of Io allowed to better understand the power generation close to the satellite, and showed the existence of electron beams accelerated at high latitude. We will present a study of the power transfer between the local interaction at Io and the electron accelerated close to Jupiter. It shows that Alfvén acceleration can explain the morphology and brightness of the Io-related auroraeand the observed accelerated electrons in Io’s wake. The study is extended to the Europa, Ganymede and Enceladus for which auroral emissions have been observed, as well as to Callisto and to the principal inner satellites of Saturn. [less ▲]

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See detailLa répétition comme fond ou comme figure : une étude de cas
Lindenberg Lemos, Carolina ULg

Conference (2012, September 25)

While addressing the matter of the effects of tension produced by repetitive elements in texts, we came across the question of the level of pertinence where such effects would arise. After a brief ... [more ▼]

While addressing the matter of the effects of tension produced by repetitive elements in texts, we came across the question of the level of pertinence where such effects would arise. After a brief investigation of linguistic levels (sounds, words, phrases, sentences) and of semiotic levels (figures, themes, motifs, narrative structures), this approach proved to be of little consequence, seeing as it is possible to find, in each level, examples of repetitions that are relevant and that are irrelevant for the effects under study. Borrowed from the Gestalt theory and the more recent developments in Cognitive Linguistics, the concepts of figure and ground may serve as tools in the research. The level of pertinence is then established through relations, i.e. it is subject to the relative position of the repetitive elements in the whole of the text, as well as in its combination with the other parts of the text. Français : À partir de l'étude des effets de tension produits par les éléments répétitifs dans les textes, la question se pose à propos du niveau de pertinence où ces effets sont ressentis. Cependant, après une brève investigation des niveaux linguistiques (sons, mots, syntagmes, phrases) et des niveaux sémiotiques (figures, thèmes, motifs, structures narratives), la question se trouve dénuée de conséquence, vu qu'il est possible de trouver des répétitions et pertinentes et non pertinentes à chaque niveau. Pour avancer sur ce point, les concepts de fond et figure, empruntés de la théorie de la Gestalt et des nouveaux développements de la Linguistique Cognitive, peuvent servir d'outils. La pertinence de la répétition s’établit alors de manière relationnelle, c'est-à-dire en fonction de la position relative des éléments répétitifs dans le tout et par rapport aux autres parties du texte. [less ▲]

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See detailSustainability Performance Management in Large Firms: A Qualitative Research amongst Seven Large Western European Firms
Crutzen, Nathalie ULg

Conference (2012, September 25)

The aim of this paper is to understand better sustainability performance management in large firms. Based on previous research in this field, this paper reports the results of a qualitative research ... [more ▼]

The aim of this paper is to understand better sustainability performance management in large firms. Based on previous research in this field, this paper reports the results of a qualitative research amongst seven large Western European firms. This research examines why and how these large firms manage their sustainability performance. [less ▲]

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See detailThe applications of biodegradable polymers for drug delivery and tissue engineering
Grandfils, Christian ULg

Conference (2012, September 25)

Detailed reference viewed: 10 (1 ULg)
See detailLe métier de gestionnaire de recherche
Jeandrain, Denys ULg

Conference (2012, September 25)

Detailed reference viewed: 29 (10 ULg)
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See detailL’énonciation vidéoludique : analyse du jeu Portal
Barnabé, Fanny ULg

Conference (2012, September 25)

Cette présentation s'intéresse aux particularités énonciatives du jeu vidéo en mettant à profit les outils développés par la sémiotique visuelle et en prenant appui sur l'analyse d'une oeuvre spécifique ... [more ▼]

Cette présentation s'intéresse aux particularités énonciatives du jeu vidéo en mettant à profit les outils développés par la sémiotique visuelle et en prenant appui sur l'analyse d'une oeuvre spécifique: le jeu "Portal" (Valve Software, 2007). [less ▲]

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See detailTheoretical study of the superatom molecular orbitals of C60-C70
Mignolet, Benoît ULg

Conference (2012, September 24)

Detailed reference viewed: 17 (3 ULg)
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See detailCulture and hallucinations: a review of the literature
Laroi, Frank ULg

Conference (2012, September 23)

Detailed reference viewed: 33 (3 ULg)
See detailNations et nationalismes au 21ème siècle
Jamin, Jérôme ULg

Conference (2012, September 22)

Detailed reference viewed: 32 (9 ULg)
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See detailSocietal Vulnerability and self-control : do violent values mediate this relation for boys and girls?
Gavray, Claire ULg; Vettenburg, Nicole; Pauwels, LIeven et al

Conference (2012, September 22)

Detailed reference viewed: 22 (1 ULg)
See detailHistoire de Liège et ses défis d’aménagement
Frankignoulle, Pierre ULg

Conference (2012, September 22)

Detailed reference viewed: 35 (7 ULg)
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See detailL’analyse métagénomique ciblée au service de la microbiologie des aliments : applications concrètes
Taminiau, Bernard ULg; Nezer, Carine; Delhalle, Laurent ULg et al

Conference (2012, September 21)

Detailed reference viewed: 135 (31 ULg)
See detailInnovative utilization of the Lactoperoxidase System against apple’s postharvest diseases
Bafort, Françoise ULg; Jijakli, Haissam ULg; Perraudin, Jean-Paul

Conference (2012, September 21)

Detailed reference viewed: 41 (5 ULg)
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See detailPour une critique du concept d’empathie : dimensions épistémologique, clinique, et diagnostique
Englebert, Jérôme ULg

Conference (2012, September 21)

Le concept d’empathie, s’il est très « à la mode », est rarement défini et encore moins souvent critiqué. Nous proposons de discuter de cette définition et de différencier ce concept de celui de sympathie ... [more ▼]

Le concept d’empathie, s’il est très « à la mode », est rarement défini et encore moins souvent critiqué. Nous proposons de discuter de cette définition et de différencier ce concept de celui de sympathie. Différentes propositions issues de la philosophie (notamment la distinction que M. Foucault fait de l’éthique et la morale ou le concept d’« intercorporéité » de M. Merleau-Ponty et M. Henry) nous permettront de formuler une critique du concept d’empathie. En clinique, on peut distinguer deux « types » d’empathie : celle du clinicien (il s’agit de l’empathie à visée méthodologique - conative) et celle du patient (il s’agit de l’empathie à visée diagnostique - implicite). L’empathie à visée méthodologique serait l’un des fondements de la relation clinique et de toutes les pratiques psychothérapeutiques. Néanmoins ce type de compréhension de l’autre présente des limites que nous discuterons. L’empathie à visée diagnostique est un phénomène clinique qui permet de poser un diagnostic. Le concept sera discuté dans le cas de différents troubles psychopathologiques (schizophrénie, psychopathie principalement). [less ▲]

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See detailStrategies to decrease bleeding and biliary fistula
DETRY, Olivier ULg

Conference (2012, September 21)

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See detailDesign of novel copolymers by cobalt-mediated radical polymerization of N-vinyl amides
Debuigne, Antoine ULg

Conference (2012, September 21)

Detailed reference viewed: 18 (5 ULg)
See detailZinc hyperaccumulation: a model to examine metal homeostasis in plants
Hanikenne, Marc ULg; Nouet, Cécile ULg; Charlier, Jean-Benoit et al

Conference (2012, September 20)

The plant Arabidopsis halleri exhibits naturally selected metal hypertolerance and extraordinarily high levels of leaf metal accumulation. Metal hyperaccumulator species attract interest as they represent ... [more ▼]

The plant Arabidopsis halleri exhibits naturally selected metal hypertolerance and extraordinarily high levels of leaf metal accumulation. Metal hyperaccumulator species attract interest as they represent an extreme end of natural variation of the metal homeostasis network. This might be useful to reveal the global functioning of metal homeostasis networks and uncover key nodes whose alterations can drastically modify metal accumulation and tolerance. In addition, metal hyperaccumulation is a compelling model to study adaptation. In the last few years, major progress has been achieved in our understanding of the mechanisms underlying metal hyperaccumulation in A. halleri. High rates of metal uptake by roots, root-to-shoot translocation and efficient shoot vacuolar sequestration play central roles in determining hyperaccumulation and hypertolerance. Enhanced functions of several metal transporter-encoding genes result from gene copy number amplification and/or (cis)-regulatory changes. We will describe the function of several transporters in zinc and cadmium hyperaccumulation and hypertolerance, and in the adjustment of nutrient homeostasis in A. halleri. Recent work aiming to determine if selection acted during the evolutionary history of A. halleri on a loci required for metal tolerance and accumulation will be presented. [less ▲]

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See detailFuran formation upon degradation of carbohydrates in combination with proteins and lipids
Owczarek, Agnieszka; De Meulenaer, Bruno; Scholl, Georges ULg et al

Conference (2012, September 20)

Detailed reference viewed: 52 (5 ULg)
See detailCDS and Financial Stability
Sougné, Danielle ULg; Mattar, Jamal ULg

Conference (2012, September 20)

Detailed reference viewed: 119 (12 ULg)
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See detailVtriusque sermonis cognatio : la lexicographie bilingue à la fin de l'Antiquité
Rochette, Bruno ULg

Conference (2012, September 20)

Detailed reference viewed: 79 (1 ULg)
See detailConditional Asset Allocation: Does Market-Wide Liquidity Matter?
Sougné, Danielle ULg; Heuchenne, Cédric ULg; Bazgour, Tarik ULg

Conference (2012, September 19)

Detailed reference viewed: 60 (15 ULg)
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See detailEvaluation of aerosol jet printing (AJP) technology for electronic packaging and interconnect technique
Stoukatch, Serguei ULg; Seronveaux, Laurent; Laurent, Philippe ULg et al

Conference (2012, September 18)

We evaluated AJP (Aerosol Jet Printing) deposited silver layer on variety of organic substrates for the most common interconnect techniques for electronic packaging. Specifically, we checked if the AJP ... [more ▼]

We evaluated AJP (Aerosol Jet Printing) deposited silver layer on variety of organic substrates for the most common interconnect techniques for electronic packaging. Specifically, we checked if the AJP silver layer can be electrically interconnected by Au and Al wires bonding technique. We also evaluated suitability of AJP silver layer for surface-mount technology (SMT). We performed electrical characterization of the AJP silver layer. [less ▲]

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See detailA Dynamic Graph Model of Endochondral Ossification can assess the Importance of Biological Actors in Differentiation
Kerkhofs, Johan ULg; Van Oosterwyck, Hans; Geris, Liesbet ULg

Conference (2012, September 18)

Cell-based tissue engineering constructs are a promising avenue for the treatment of long bone defects since they provide the primordial ingredients for bone regeneration. The construct provides the ... [more ▼]

Cell-based tissue engineering constructs are a promising avenue for the treatment of long bone defects since they provide the primordial ingredients for bone regeneration. The construct provides the appropriate micro-environment through the carrier, cells to form tissue and chemical cues to kick start the natural bone forming process. Clearly this approach will benefit from a more comprehensive appreciation of how cell populations and the microenvironment provided by the carrier can impact on bone formation in all its complexities. A cornucopia of studies of developmental biology have revealed many biological actors that together form a central network that orchestrates cell behaviour during this process and assures its robustness. This knowledge can be brought to bear specifically in the form of a mathematical model of endochondral ossification, the dominant type of ossification. This model can facilitate the understanding of how growth factors and transcription factors influence cell fate decisions and consequently answer the question whether they can boost bone healing. The model formalism accommodates the qualitative information that is typically available in developmental studies. The network comprises 46 nodes and 161 interactions, shown to be important in endochondral ossification. To simulate network dynamics in discrete time the normalized value of each gene is determined by additive functions where all interactions are assumed to be equally powerful. Furthermore, each species is represented by a fast variable (activity level, as determined by post translation modifications) which is assumed to be in equilibrium with a slow variable (mRNA) at all times. Through a Monte Carlo approach the importance of each node in the stability of chondrocytic phenotypes (proliferating, hypertrophic) is assessed. The hypertrophic state, driven by Runx2, is more stable than the proliferating chondrocyte. This higher stability seems to be conferred by faster reactions that favor the hypertrophic phenotype. In addition, the results point out that some transcription factors are necessary for the induction of a certain phenotype, whereas other transcription factors are required to maintain the phenotype, but are not necessary capable of inducing it. Overall, the model allows the importance of several important factors in the fate decision of mesenchymal cells to be quantitatively assessed based mainly on topological information. [less ▲]

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See detailBimby : un potentiel pour l'urbanisation future en Europe du Nord-Ouest ?
Halleux, Jean-Marie ULg

Conference (2012, September 18)

Detailed reference viewed: 86 (11 ULg)
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See detailA multiscale model of sprouting angiogenesis during fracture healing.
Carlier, Aurélie ULg; Geris, Liesbet ULg; Van Oosterwyck, Hans

Conference (2012, September 18)

Detailed reference viewed: 15 (0 ULg)
See detailImpact du travail sur la santé.
Hansez, Isabelle ULg

Conference (2012, September 18)

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See detailPenser par le milieu, cultiver l'équivocation
Despret, Vinciane ULg

Conference (2012, September 17)

« Gorgias, écrivait Barbara Cassin, montre comment le Poème de Parménide, loin de partir, comme il le prétend, d'un “il y a” de être (esti : es gibt Sein, dit Heidegger), fabrique bien plutôt l'être en le ... [more ▼]

« Gorgias, écrivait Barbara Cassin, montre comment le Poème de Parménide, loin de partir, comme il le prétend, d'un “il y a” de être (esti : es gibt Sein, dit Heidegger), fabrique bien plutôt l'être en le disant, le fait être ; on ne va pas de l'être au dire de l'être, en toute fidélité et adéquation, mais, à l'inverse, l'être est un effet de dire, un produit du poème, la conséquence d'une performance discursive. C'est de là que je suis repartie. » Au cœur de sa réflexion sur la performativité du langage se déploie, chez Cassin, la question de l’efficace créatif de la traduction. Cette question peut être mise en rapport avec la notion développée par l’anthropologue Eduardo Viveiros de Castro sous le terme d’« équivocation ». Traduire, dit-il, c’est présumer qu’une équivocation existe toujours ; c’est communiquer par différences, différences dans sa langue — sous le même terme, quantité de choses peuvent revendiquer répondre de ce terme—, différences dans la langue de l’autre, et différences dans l’opération même de traduction— car les deux équivocités ne sont pas superposables. C’est ce qui conduit Viveiros de Castro à dire que « la comparaison est au service de la traduction », et non l’inverse. On ne traduit pas pour comparer, on compare à la seule fin de réussir à traduire. Et on compare des différences, des équivoques, des homonymes. L’équivocation est, en ce sens, le déploiement des versions. Dans une traduction, explique Cassin, non seulement chaque terme et chaque opération syntaxique de la langue source peuvent recevoir plusieurs sens, mais ils vont être traduits, dans la langue d’arrivée par des termes et des opérateurs syntaxiques qui, eux-mêmes, peuvent en avoir plusieurs. La version cultive ces divergences et ces bifurcations, de manière contrôlée— mais comme on dit que marcher est une manière contrôlée de tomber. Cette pratique de l’équivocation comme volonté de maintien de la contradiction est à l’œuvre dans les travaux les plus divers de la philosophe. Je m’attacherai plus particulièrement à la partie plus littéraire de ceux-ci. Au départ de la nouvelle « Les mots de tous les jours et l’orchidée de la nuit », que je mettrai en rapport avec une analyse de la thématique de la transmission, de l’identité et du deuil proposée par le psychanalyste Jean Allouch, je souhaiterais dégager les effets pragmatiques et féconds d’une traduction assumant et cultivant la possibilité de faire tenir des traductions divergentes et contradictoires d’un même énoncé. [less ▲]

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See detailImprégnation de polymères par voie CO2 supercritique: suivi in situ par microscopie FTIR
Champeau, Mathilde; Thomassin, Jean-Michel ULg; Jérôme, Christine ULg et al

Conference (2012, September 15)

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See detailLe rôle du pharmacien comme conseiller en allaitement: perception des étudiants en pharmacie
Noirhomme-Renard, Florence ULg; Osorio Lopez, Rosa Elena; Gosset, Christiane ULg et al

Conference (2012, September 15)

L’OMS et l’UNICEF recommandent un allaitement maternel exclusif durant les six premiers mois de vie et un allaitement maternel complété jusque deux ans. En Belgique, l’avis du Conseil Supérieur de la ... [more ▼]

L’OMS et l’UNICEF recommandent un allaitement maternel exclusif durant les six premiers mois de vie et un allaitement maternel complété jusque deux ans. En Belgique, l’avis du Conseil Supérieur de la Santé relatif à la vente exclusive en pharmacie des préparations pour nourrissons (2008) souligne « l’importance d’un conseil éclairé de la part d’un universitaire sensibilisé et formé aux problématiques de santé et de nutrition ». Le pharmacien, par le contact fréquent qu’il a avec les jeunes parents, peut donc jouer un rôle dans l’allaitement. <br />Cette étude vise à explorer la perception du rôle du pharmacien comme conseiller en allaitement. <br />Cinquante-trois étudiants de dernière année de pharmacie de l’Université de Liège ont complété un questionnaire incluant des questions relatives à leurs perceptions, leur niveau de connaissances et leur expérience en matière d’allaitement, ainsi qu’une échelle d’attitude vis-à-vis de l’alimentation du nourrisson, l’IIFAS (Iowa Infant Feeding Attitude Scale). <br />92% des étudiants pensent que le pharmacien a un rôle (très) important à jouer comme conseiller en allaitement à différents niveaux (recommandations, prise de médicaments, lait artificiel,…), et 77% estiment qu’il peut influencer les décisions prises par les mères, même si l’officine n’apparaît pas toujours comme un lieu propice pour répondre en toute discrétion aux questions posées (41%). <br />Bien que l’expérience professionnelle et personnelle des étudiants soit faible, leur attitude est plutôt favorable à l’allaitement maternel selon l’échelle IIFAS (score de 61.25 ± 7.17). Toutefois, les étudiants évaluent globalement leur niveau de connaissance comme faible à très faible (insuffisance de lait maternel, stimulation de la lactation, utilisation du tire-lait, conservation du lait maternel, stérilisation des biberons,…). <br />Les futurs pharmaciens estiment avoir un rôle de conseiller important en matière d’allaitement, mais il y aurait lieu de renforcer leur curriculum de formation actuel pour leur permettre de remplir adéquatement, en officine, ce rôle de conseiller auprès des parents. [less ▲]

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See detailPassive radar testbed and preliminary experiments in recognition of non-cooperative aircraft intruding into controlled airspace
Pisane, Jonathan ULg; Azarian, Sylvain; Lesturgie, Marc et al

Conference (2012, September 14)

We consider the automatic classification of aircraft observed with a passive radar, thus using illuminators of opportunity. We deployed a testbed and developed classification algorithms. Preliminary tests ... [more ▼]

We consider the automatic classification of aircraft observed with a passive radar, thus using illuminators of opportunity. We deployed a testbed and developed classification algorithms. Preliminary tests show a correct recognition rate of 72%. [less ▲]

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See detailCompensating for Doppler effect in satellite D-STAR radiocommunications: On-board and on-the-ground solutions
Pisane, Jonathan ULg; Werner, Xavier ULg; Denis, Amandine ULg et al

Conference (2012, September 14)

A major issue in the design of a D-STAR radiocommunication system for a satellite is the issue of Doppler shift compensation. We describe the various constraints we faced, and the solutions we implemented ... [more ▼]

A major issue in the design of a D-STAR radiocommunication system for a satellite is the issue of Doppler shift compensation. We describe the various constraints we faced, and the solutions we implemented on-board and on the ground for the OUFTI-1 nanosatellite system. [less ▲]

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See detailContribution of Robotic Surgery to Gynecologic Oncology
GOFFIN, Frédéric ULg

Conference (2012, September 14)

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See detailAn Unpublished Description of Europe by al-Maqrīzī
Bauden, Frédéric ULg

Conference (2012, September 14)

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See detailStatus of on-board radiocommunication system of OUFTI-1 nanosatellite as of mid-2012: design, implementation, and tests
Werner, Xavier ULg; Crosset, Nicolas ULg; Broun, Valéry et al

Conference (2012, September 14)

We describe the space-segment component of the radiocommunication system of the OUFTI-1 nanosatellite system, providing D-STAR digital voice & data communication, AX.25 telecommand & telemetry, and OOK ... [more ▼]

We describe the space-segment component of the radiocommunication system of the OUFTI-1 nanosatellite system, providing D-STAR digital voice & data communication, AX.25 telecommand & telemetry, and OOK beacon transmissions. [less ▲]

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See detailTerritorial Politics in inter and intra-party competition. Insights from Belgium
Reuchamps, Min ULg; Dodeigne, Jérémy ULg; Sinardet, Dave et al

Conference (2012, September 13)

In territorial politics, political parties are key actors – be it state-wide or regionalist parties – for constitutional reforms underlying regionalisation or federalisation processes. From the agenda ... [more ▼]

In territorial politics, political parties are key actors – be it state-wide or regionalist parties – for constitutional reforms underlying regionalisation or federalisation processes. From the agenda-setting to the implementation of the reforms, they aggregate and catalyse territorial/national interest in order (not) to enable institutional reforms. In most representative democracies under such regionalist pressures – such as the Belgian case we explore, it is however individual MPs that ultimately vote the constitutional reforms. Of course, party discipline strongly constrains MPs’ freedom and frames parliamentary behaviour. The literature thus often explores territorial politics from a macro-perspective – political parties’ positions – rather than at a micro level – individual MPs. Yet, exploring MPs’ views on constitutional reforms bring interesting perspectives on intra-party dynamics complementing inter-party approaches. What explains MPs’ preferences on constitutional reforms? To explore this question, we surveyed every representative of Belgium’s six legislative assemblies with a standardized questionnaire (Summer 2011). We hypothesize that ethno-linguistic identity and party affiliation are strong variables explaining MPs’ preferences but that candidates’ attributes – be it (multi-level) former political experience, gender, political generation, or district origins – should also be taken into account. Based on the Belgian case study, this research will help us apprehend the rationale behind political elites’ attitudes negotiating the new boundaries of the state and above all shed light on territorial politics in Europe. [less ▲]

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See detailInfluence of the protéin context on the propensity of polyglutamine tracts to trigger protein aggregation into amyloid fibrils
Huynen, Céline ULg

Conference (2012, September 13)

Nine neurodegenerative diseases, referred to as polyglutamine diseases, are associated with nine proteins containing an expanded polyglutamine (polyQ) tract. PolyQ tracts are encoded by a repetition of ... [more ▼]

Nine neurodegenerative diseases, referred to as polyglutamine diseases, are associated with nine proteins containing an expanded polyglutamine (polyQ) tract. PolyQ tracts are encoded by a repetition of the CAG codon in the corresponding genes, and are present in proteins of healthy people. They are however pathogenic when their length, due to mutations, becomes higher than a threshold generally comprised between 35 and 45Q. Such pathological tracts trigger the aggregation of the proteins into amyloid-like aggregates that could play an important role in the disease. It is therefore necessary to investigate at a molecular level the aggregation process of polyQ proteins. Since proteins associated with polyQ diseases are generally large and relatively insoluble, they are difficult to produce and handle experimentally. We have therefore decided to study the aggregation properties of polyQ proteins by designing and characterizing model proteins made of a well-characterized host protein, the β-lactamase BlaP, and polyQ tracts of different lengths (23 to 79Q) inserted either at positions 197 or 216 of BlaP. The aggregation behaviour of BlaP chimeras recapitulate those of proteins associated with polyQ diseases. We indeed observed that there is a minimal number of glutamines (i.e. a threshold) required for the chimeras’ aggregation into amyloid-like fibrils and that the kinetics of aggregation are faster with longer glutamine repeats. Most importantly, the value of the threshold for amyloid-like fibril formation seems to critically depend on the structural integrity of BlaP and thus on the constraints applied to the polyQ tract. In the present work, we investigate more deeply the role of the protein context and of oligomers on the aggregation process of BlaP chimeras. This study is mainly based on the use of two techniques: the quartz crystal microbalance with dissipation (QCM-D) in combination with atomic force microscopy (AFM), and the dynamic light scattering (DLS). QCM-D studies indicate that, under native condition, there is a minimal number of glutamines required for the elongation of BlaP197(Gln)79 fibrils by BlaP chimeras containing a polyQ tract in position 197. This threshold is lower than that observed for the aggregation assays monitored in solution in the absence of seed; it corresponds however to the threshold for fibril formation observed under denaturing conditions. These observations suggest that the conformation of BlaP is the limiting step for amyloid fibril formation by interfering with the nucleation step. BlaP chimeras containing 55Q or more in position 216 of BlaP also elongate BlaP197(Gln)79 fibrils. Interestingly this rate of cross-elongation is faster than the elongation rate observed with BlaP197(Gln)55 and BlaP197(Gln)79. This observation demonstrates that the protein environment of the polyQ tract influences its propensity to form amyloid fibrils. Finally, preliminary DLS experiments indicate that oligomers formed by BlaP197(Gln)79 under native condition are on-pathway of amyloid fibril formation and could act as aggregation nuclei. [less ▲]

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See detailAdvances in ORC expander design
Lemort, Vincent ULg; Quoilin, Sylvain ULg

Conference (2012, September 13)

Detailed reference viewed: 369 (13 ULg)
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See detail"Echos en série : formes et enjeux de la réplique dans The Wire"
Belloi, Livio ULg

Conference (2012, September 13)

Detailed reference viewed: 22 (2 ULg)
See detailEffects of cellular morphology on electricalconductivity of carbon nanotubes containing nanocomposites foams
Tran, Minh Phuong ULg; Detrembleur, Christophe ULg; Thomassin, Jean-Michel ULg et al

Conference (2012, September 13)

In the last few years, polymer carbon nanotubes (CNTs) nanocomposites foams have received increasing attention due to their potential applications in electrostatic dissipation (ESD) and in electromagnetic ... [more ▼]

In the last few years, polymer carbon nanotubes (CNTs) nanocomposites foams have received increasing attention due to their potential applications in electrostatic dissipation (ESD) and in electromagnetic interferences (EMI) shielding. To be efficient, these foams must exhibit appropriate electrical conductivity (> 1 S/m) and dielectric constant. A good understanding of the influence of the foam structural parameters on the electrical properties of the foam will ultimately enable the optimum design of these materials for the targeted applications. A wide range of poly(methyl methacrylate) (PMMA)/CNTs nanocomposites foams were synthesized using the supercritical CO2 technology. Different foaming parameters, such as the temperature, impregnation pressure, time and rate of depressurization were varied to modify the foam structure. The amount of carbon nanotubes in PMMA plays the most important role in increasing the electrical conductivity. Nanocomposite foams show higher electrical conductivity than non-foamed nanocomposites at the same volume content of CNTs. Effects of foam morphology such as cell-density; pore size, volume expansion, and cell-wall thickness on electrical conductivity were comprehensively assessed. High electrical conductivity can be achieved with nanocomposite foams that have high volume expansion, small pore size, high cell density, and thin cell-walls [less ▲]

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See detailDynamic modeling and control strategies for Organic Rankine Cycle systems
Quoilin, Sylvain ULg; Lemort, Vincent ULg

Conference (2012, September 13)

Control and optimization are major issues in ORC systems applied to waste heat sources. This talk provides an overview of the current state of the art and of the main areas of R&D in that topic, including ... [more ▼]

Control and optimization are major issues in ORC systems applied to waste heat sources. This talk provides an overview of the current state of the art and of the main areas of R&D in that topic, including: - Steady-state and dynamic modeling of ORC cycles (simulation platforms, modeling paradigms, numerical issues) - Optimization of the working conditions for a given heat source and heat sink, and in particular of the evaporating temperature - Optimal start-up and shut-down strategies (grid synchronization, pressure overshoot, ...) - Control of the cycle under transient heat source conditions - Traditional and advanced controllers (PID, Model predictive control) The different adjustable working conditions (condensing/evaporating temperature, superheating, subcooling, working fluid flow rate) are listed with regard to the available degrees of freedom (pump/expander speed, secondary fluid flow rates and temperatures) and their optimal values are derived, depending on the target application. [less ▲]

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See detailAutofill remote storage form on the OPAC holdings page
Renaville, François ULg; Danhieux, Sylvain ULg

Conference (2012, September 13)

A big part of our library collections are located in a remote storage which is about 12 km from its managing library. Until recently, the only way to request a volume was by filling in a paper form at a ... [more ▼]

A big part of our library collections are located in a remote storage which is about 12 km from its managing library. Until recently, the only way to request a volume was by filling in a paper form at a library desk. The form was then faxed to the remote storage whose staff treated the request and delivered the ordered item to the pickup library. This workflow forced patrons to go to the library desk, no remote request was allowed. In order to modernize the workflow, we wanted to implement Aleph remote storage functionalities. We found it not so easy to set up and were faced moreover with two additional problems: we wanted to allow patrons to request (1) some items which are not in a remote storage and (2) serial issues from older collections which had never been itemized and so could not be requested through the traditional Aleph functionalities. Therefore, we set up a PHP form that any registered patron can call from the OPAC holding page (item-global) and that automatically contains patron information, bibliographic information and item details (location, call number, description, status, barcode). The patron just needs to select the appropriate pickup library before the form is sent by e-mail to the remote storage. That form can be used for any location (not necessarily for volumes located in a remote storage) and for serial holdings with few itemized volumes (a Z30 is not required to make a request). [less ▲]

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See detailLA gestion collective des semences
Hecquet, Corentin ULg

Conference (2012, September 13)

Detailed reference viewed: 34 (3 ULg)
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See detailImportant differences between multiple offenders ans non-multiple offenders
Gavray, Claire ULg

Conference (2012, September 13)

importance to distinguish between young people who have a 'single- light' experience' of crime and those who do repeat illegal behaviours over time. The profile of those young people is quite different ... [more ▼]

importance to distinguish between young people who have a 'single- light' experience' of crime and those who do repeat illegal behaviours over time. The profile of those young people is quite different and the necessary prevention is specific in both cases [less ▲]

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See detailSedimentary development and correlation of Mid-Late Devonian fore-reef deposits from Central Europe
Pas, Damien ULg; Da Silva, Anne-Christine ULg; Cornet, Pierre et al

Conference (2012, September 12)

INTRODUCTION: Despite the interest for the reconstruction of environmental changes over a long period of time, long-term successions have been relatively poorly investigated using a mutli-disciplinary ... [more ▼]

INTRODUCTION: Despite the interest for the reconstruction of environmental changes over a long period of time, long-term successions have been relatively poorly investigated using a mutli-disciplinary approach compared to short-term intervals such as Kačák, Taghanic, punctata, Kellwasser and Hangenberg events. Recently, BOULVAIN et al. (2010) compared two km-thick Eifelian-Frasnian sections from Belgium and Czeck Republic using magnetic susceptibility (SM) technique. Regardless the very different background of palaeogeography, sedimentary rate, facies and local sea-level changes history, a remarkable similarity in the MS trends can be observed between these two sections. These similarities brought questions on the nature of the long-term forcing parameters that were active at the inter-regional scale. In order to get a better understanding of the factors responsible of the inter-regional forcing, a detailed records of microfacies observations, MS measurements, selected trace and major elemental concentrations and conodonts biostratigraphy have been performed on two Middle to Upper Devonian successions from Germany (Sauerland, Burgberg) and Austria (Carnics Alps, Freikofel). CONODONT BIOSTRATIGRAPHY: In the Burgberg section, conodont biostratigraphy allowed us to confirm that the studied section extend from the Middle Givetian to the Lower Carboniferous. In the Freikofel section, it allowed to precisely identify the Eifelian-Givetian and the Frasnian-Famennian boundaries. SEDIMENTOLOGY: The field and microfacies observations allowed us to reconstruct the sedimentary environment and to highlight several major variations of this environment. In the Middle Devonian, both sections are mainly characterized by fore-reef sediments. In the Burgberg section, those fore-reef sediments, mainly correspond to bioclastic grainstone and rudstone related to gravity flow deposits derived from the shallow-water area. In the Freikofel section, the fore-reef area is dominated by breccia sediments suggesting a strong debris flow influence. Through the Upper Devonian the sedimentary setting evolves to an off-reef pelagic environment in both sections and even a basinal setting in the Burgberg section. Sediments are then dominated by thin-bedded and nodular limestone. In this Upper Devonian part, locally both sections, debris coming from the shallow-water area are still observed (suggestion: Even in the Upper Devonian, occasionally debris deriving from shallow water areas has been observed in both sections. MAGNETIC SUSCEPTIBILITY AND GEOCHEMISTRY: The mean MS values for the Burgberg and Freikofel sections are respectively 1,88x10-8m³/kg and 7,72x10-9m³/kg. Compared to the MSmarine standard of 5.5x10-8m³/kg defined by ELLWOOD et al. (2011) on the basis of ~11,000 marine rocks samples, our values are low, mostly in the Freikofel section, which could indicate a low terrestrial influx seaward during the Middle and Upper Devonian. Regarding the magnetic susceptibility curves from these two sections, several large-scaled trends can be highlighted. The evolution curves of some selected clastic input proxies such as Zr, Si, Al, Ti, Sr display similar large-scaled trends. This indicates that clastic input proxies and MS are inherently linked and MS techniques can thus be used here as a proxi for changes in source or amount or type of weathering (RIQUIER et al. 2010). Most of the long-term MS variations occurring in both sections are interpreted as being related to second order eustatic variations (T-R Cycles). Through this multi-disciplinary investigation, we would like to get a better idea on the causes of long-term trends in MS variations and to document the sedimentary changes in response to these long-term variations. Further aim is to develop the application of MS techniques as a correlation tools. BOULVAIN, F., DA SILVA, A-C., MABILLE, C., HLADIL, J., GERSL, M., KOPTIKOVA, L., SCHONABL P., 2010. Magnetic susceptibility correlation of km-thick Eifelian-Frasnian sections (Ardennes and Moravia). Geologica Belgica, 13/4, 309-318. ELLWOOD, B.B., ALGEO, T.J., EL HASSANI, A., TOMKIN, J.H., ROWE, H.D., 2011. Defining the timing and duration of Kačák Interval within the Eifelian/Givetian boundary GSSP, Mech Irdane, Morocco, using geochemical and magnetic susceptibility patterns. Palaeogeography, Palaeoclimatology, Palaeoecology, 304, 74-84. RIQUIER, L., AVERBUCH, O., DEVLEESCHOUWER, X., TRIBOVILLARD, N., 2010. Diagenetic versus detrital origin of the magnetic susceptibility variations in some carbonate Frasnian-Famennian boundary sections from Northern Africa and Western Europe: implications for palaeoenvironmental reconstructions. International Journal of Earth Sciences, 99, 57-73. [less ▲]

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See detailL'emploi des jeunes d'origine étrangère peu qualifiés (joepq) en Belgique. Phase exploratoire
Ould Kherroubi, Mehdi ULg

Conference (2012, September 12)

Ce document s'inscrit dans le cadre de la Chaire diversité et innovations sociales qui est un partenariat entre HEC-Liège (EGiD) et l’Université d’Hasselt (SEIN). Mobistar, GDF-Suez Electrabel et B ... [more ▼]

Ce document s'inscrit dans le cadre de la Chaire diversité et innovations sociales qui est un partenariat entre HEC-Liège (EGiD) et l’Université d’Hasselt (SEIN). Mobistar, GDF-Suez Electrabel et B-Holding (la Société Nationale des Chemins de fer Belge- SNCB) collaborent à cette recherche. Ma recherche se focalise sur l'emploi des jeunes d’origine étrangère peu qualifiés (JOEPQ) en Belgique abordé sous l’angle de la gestion. Ce document est le fruit d'entretiens exploratoires menés auprès de quatre agents d'insertion qui travaillent directement avec mon public-cible à Bruxelles. [less ▲]

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See detaileffective use of dolomitic material in Mbuji-Mayi region
Matamba Jibikila, Raphaël ULg

Conference (2012, September 12)

En vue d'une utilisation efficace de matériaux dolomitiques du supergroupe de Mbuji-Mayi (RD Congo), une caractérisation méticuleuse de chaque faciès de matériau s'impose. Cela permettrait une bonne ... [more ▼]

En vue d'une utilisation efficace de matériaux dolomitiques du supergroupe de Mbuji-Mayi (RD Congo), une caractérisation méticuleuse de chaque faciès de matériau s'impose. Cela permettrait une bonne gestion de ressources en définissant pour chaque faciès, des applications optimales et durables. [less ▲]

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See detailOn the concrete complexity of the successor function
Berthé, Valérie; Frougny, Christiane; Rigo, Michel ULg et al

Conference (2012, September 11)

We consider two kinds of questions about the successor function. The first one is concerned with the estimation of the length of the carry propagation when applying the successor map on the first n ... [more ▼]

We consider two kinds of questions about the successor function. The first one is concerned with the estimation of the length of the carry propagation when applying the successor map on the first n integers (or more generally on the first n elements in a given language). This leads to the notion of amortized (or average) carry propagation when applying the successor function. The second question is a computational issue: estimating the number of operations (in classical terms of Turing machines complexity) required to compute the representations of the first n integers from the first one by applying n times the successor function. This leads to the notion of (amortized) complexity, i.e., the average amount of computations required to obtain the successor of an element. [less ▲]

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See detailEnfance, culture, morale. Autour de Sartre lecteur et relecteur d’Alain
Cormann, Grégory ULg

Conference (2012, September 11)

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