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See detailVoyage d'étude curriculum et évaluation de la qualité
Pirard, Florence ULg; Goossens, Xavier

Conference (2016, March 25)

Quand ils sont inscrits dans des dispositifs d’accompagnement organisé en réseau et ancré dans les pratiques professionnelles, on peut faire l’hypothèse que les voyages d’étude contribuent à une ... [more ▼]

Quand ils sont inscrits dans des dispositifs d’accompagnement organisé en réseau et ancré dans les pratiques professionnelles, on peut faire l’hypothèse que les voyages d’étude contribuent à une transformation à la fois des acteurs qui découvrent d’autres manières de penser et d’agir et des actions qu’ils sont susceptibles d’améliorer. Ils s’inscrivent dans des dispositifs qui relèvent d’une culture de la professionnalisation. Nous analyserons un dispositif d’accompagnement centré sur le travail avec les familles qui intègre des voyages d’étude pour des professionnel-le-s de l’accueil en collectivité (fonction d’accueil, direction et coordination). Elle questionne la place du voyage d’étude dans le dispositif, les conditions de sa mise en œuvre et les effets observés sur les pratiques professionnelles. [less ▲]

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See detailRefractory ceramic molds fabrication by additive methods for low and high melting point metal alloys casting
Bister, Geoffroy; Deschuyteneer, Dorian; Hautcoeur, Dominique et al

Conference (2016, March 23)

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See detailWavelet-based Methods to Study the Regularity of a Signal: from Theory to Practice
Kleyntssens, Thomas ULg; Nicolay, Samuel ULg

Conference (2016, March 23)

In this talk, I use the notion of wavelet to design multifractal formalisms. I present the theoritical results obtained on the generalized Snu spaces and I show the utility of these generalization ... [more ▼]

In this talk, I use the notion of wavelet to design multifractal formalisms. I present the theoritical results obtained on the generalized Snu spaces and I show the utility of these generalization. Besides, I also apply these formalisms on a practical example: the Mars topography. [less ▲]

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See detailCalendars and rituals at Mari during the šakkanakkū period (end of the 3rd millennium B.C. – beginning of the 2nd)
Colonna d'Istria, Laurent ULg

Conference (2016, March 23)

The order of the months in the calendar at the end of the šakkanakkū period (19th century B.C.) is now well established. This calendar is largely similar to the one in use during the amorite period. This ... [more ▼]

The order of the months in the calendar at the end of the šakkanakkū period (19th century B.C.) is now well established. This calendar is largely similar to the one in use during the amorite period. This paper will focus on the rituals and festivals at Mari during the end of the šakkanakkū period: expenditures for temples, deities and rituals are mentioned in many administrative texts dated to the mid-19th century. Nevertheless, these texts are very patchy and the festivals are not clearly named. The latest excavation archaeological excavations at the site of Tell Hariri-Mari provided us with eleven administrative texts dated to the middle of the šakkanakkū period (i.e. UrIII period or slightly earlier). These texts reveal a calendar which is partly similar to the late šakkanakkū one. [less ▲]

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See detailFeasibility study of repetitive diffusion MRI after Neoadjuvant radiotherapy for following tumor microenvironment.
LALLEMAND, François ULg; Leroi, Natacha ULg; Bahri, Mohamed Ali ULg et al

Conference (2016, March 22)

Purpose/Objective. Neoadjuvant radiotherapy (NeoRT) improves tumor local control and tumor resection in many cancers. The timing between the end of the NeoRT and surgery is mostly driven by the occurrence ... [more ▼]

Purpose/Objective. Neoadjuvant radiotherapy (NeoRT) improves tumor local control and tumor resection in many cancers. The timing between the end of the NeoRT and surgery is mostly driven by the occurrence of side effects or the tumor downsizing. We previously demonstrated in an in vivo model that the timing of surgery and the schedule of NeoRT influenced the tumor dissemination. Here, our aim is to evaluate with functional MRI (fMRI) the impact of the radiation treatment on the tumor microenvironment and subsequently to identify non-invasive markers helping to determine the best timing to perform surgery for avoiding tumor spreading. First, we needed to demonstrate the feasibility of repetitive MRI imaging after NeoRT in mice. Material/methods. We used two models of NeoRT we previously developed in mice: MDA-MB 231 and 4T1 cells implanted in the flank of mice. When tumors reached the planned volume, they are irradiated with 2x5 Gy and then surgically removed at different time points after RT. In the mean time between the end of RT and the surgical procedure, mice were imaged in a 9,4T Agilent® MRI. Diffusion Weighted (DW) -MRI was performed every 2 days between RT and surgery. For each tumors we acquired 8 slices of 1 mm thickness and 0.5 mm gap with an “in plane voxel resolution” of 0.5 mm. For DW-MRI, we performed FSEMS (Fast Spin Echo MultiSlice) sequences, with 9 different B-values (from 40 to 1000) and B0, in the 3 main directions. We also performed IVIM (IntraVoxel Incoherent Motion) analysis, in the aim to obtain information on intravascular diffusion, related to perfusion (F: perfusion factor) and subsequently tumor vessels perfusion. Results. As preliminary results, with the MBA-MB 231 we observed a significant increase of F at day 6 after irradiation than a decrease and stabilization until surgery. No other modifications of the MRI signal, ADC, D or D* were observed. We observed similar results with 4T1 cells, F increased at day 3 than returned to initial signal. The difference in the timing of the peak of F can be related to the difference in tumor growth between MBA-MB 231 and 4T1 (four weeks vs one week). Conclusion. For the first time, we demonstrate the feasibility of repetitive fMRI imaging in mice models after NeoRT. With these models, we show a significant peak of the perfusion factor (F) at day 6 or day 3. This change occurs between the two previous time points of surgery demonstrating a difference in the metastatic spreading. Indeed, after a NeoRT of 2X5Gy we observed more metastases in the lung when MDA-MB 231 tumor bearing mice are operated 4 days after RT compared to 11 days. These preliminary results are very promising for identifying noninvasive markers for determining the best timing for surgery. [less ▲]

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See detailUne généralisation du triangle de Pascal
Stipulanti, Manon ULg; Rigo, Michel ULg; Leroy, Julien ULg

Conference (2016, March 22)

We introduce a generalization of Pascal triangle based on binomial coefficients of finite words. These coefficients count the number of times a word appears as a subsequence of another finite word ... [more ▼]

We introduce a generalization of Pascal triangle based on binomial coefficients of finite words. These coefficients count the number of times a word appears as a subsequence of another finite word. Similarly to the Sierpinski gasket that can be built as the limit set, for the Hausdorff distance, of a convergent sequence of normalized compact blocks extracted from Pascal triangle modulo 2, we describe and study the first properties of the subset of [0, 1]×[0, 1] associated with this extended Pascal triangle modulo a prime p. [less ▲]

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See detailOsteopontin predicts radiotherapy response of glioblastoma patients : new role in DNA damage repair
Henry, Aurélie ULg; Nokin, Marie-Julie; Leroi, Natacha ULg et al

Conference (2016, March 22)

- Introduction: Glioblastoma (GBM) is the most aggressive and common solid human brain tumor. Because of GBM heterogeneity, location and aggressiveness, none of the available treatment is curative. These ... [more ▼]

- Introduction: Glioblastoma (GBM) is the most aggressive and common solid human brain tumor. Because of GBM heterogeneity, location and aggressiveness, none of the available treatment is curative. These treatments include maximal surgical resection, radiotherapy and concomitant or adjuvant chemotherapy with Temozolomide. However, the prognosis of adult patients with GBM remains poor and the survival outcome after treatment does not exceed 15 months. GBM-composing cells have developed many strategies to counteract these current therapies. Among the wide hallmarks acquired to survive, high osteopontin (OPN) expression correlates with lower overall and disease-free/relapse-free survival in all tumors combined, as well in brain cancer. Our recent study (Lamour V and Henry A, IJC 2015) has demonstrated the role of OPN in the tumorigenicity of glioblastoma cells and its importance in the maintenance of the stem characters. In the continuation of this work, our recent studies focused on the potential role of OPN in the resistance of GBM cells to radiotherapy and its potential implication in the initiation of Double Strand Breaks (DSBs) repair mechanisms. - Aims: In the context of this study, different GBM cell lines (U251-MG, U87-MG and U87 Viii) were used to assess the role of OPN in the initiation of the DSBs repair mechanism after an exposure to gamma-irradiation. - Methods and results: We performed the transient transfection of different GBM cell lines (U251-MG, U87-MG and U87-MG overexpressing EGFR VIII) with siRNAs specifically directed against OPN. After irradiation, all these OPN-depleted cells consistently showed a lower induction of γ–H2AX compared to control (irrelevant siRNA) as evidenced by western blot and immunofluorescence techniques. Thereafter, clonogenic assays allowed to prove that the survival of OPN-depleted cells was affected after an exposure to irradiation. To assess the importance of OPN expression in the response to radiotherapy, an heterotopic xenograft model was used. In brief, IPTG-inducible U87 shOPN clones were injected subcutaneously in NOD-SCID mice and were allowed to form a tumor. When average tumor volume reached a predetermined size range, mice were treated (or not) with IPTG by intraperitoneal injection during five days. At the end of the treatment, tumors were selectively exposed to gamma-irradiation by using a small animal irradiator X-RAD 225Cx (Precision X-Ray Inc., North Branford, CT). One week later, mice were sacrificed and tumors were measured. In this pilot study, we observed that mice in which the tumor was depleted in OPN displayed a slight regression in the tumor growth compared to mice that received radiotherapy alone (no IPTG), where the tumor volume remained constant. - Conclusions: Taken together, these preliminary data meet the fact that OPN is important in the response of GBM to radiotherapy. The in vitro results converge to the fact that OPN might be implicated in the initiation of the DSBs repair following irradiation. Currently, we would like to investigate this hypothesis in vivo but also to check the effect of OPN depletion combined to radiotherapy on the survival of mice in an orthotopic xenograft model. [less ▲]

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See detailGeophysical Investigation of the Pb-Zn deposit of Lontzen, Belgium
Evrard, Maxime ULg

Conference (2016, March 22)

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See detailEnhanced biomass production of a novel Acetobacter strain isolated from Moroccan biotopes using response surface methodology approach
Mounir, Majid ULg; Hamas, Khadija; Tamraoui, Khadija et al

Conference (2016, March 21)

The objective of this work was first the isolation of novel acetic acid bacteria strains from natural Moroccan habitats, and then, the evaluation of their ability to produce microbial starters for vinegar ... [more ▼]

The objective of this work was first the isolation of novel acetic acid bacteria strains from natural Moroccan habitats, and then, the evaluation of their ability to produce microbial starters for vinegar production in large-scale. The isolation was made from figs, dates, cactus, and traditional fruit vinegars. Four strains, selected from a total of 63 isolates were confirmed to be belonged to Acetobacter species according to biochemical tests and molecular study based on 16s rDNA sequence analysis. Acetic acid fermentation tests, performed on date and apple fermented juices by the selected Acetobacter strains, showed high capacity of acidification. The most efficient strain, isolated from cactus vinegar, yielded an acidity of about 42.5 g/L on apple juice. A cell growth optimization was carried out on the most efficient strain using the response surface methodology (RSM). The linear, quadratic and interaction effects of four factors; ethanol, acetic acid, glucose and pH were studied by the application of a central composite design. 30 experiments were designed to predict the maximum concentration of cell biomass. The optimal calculated values of ethanol, acetic acid, glucose and pH allowing the prediction of the maximum biomass production (2.2 g/L) were 28.18 g/L, 10.12 g/L, 15.15 g/L and 5.33, respectively. Subsequently, further batch fermentations were carried out in a 6 L lab-bioreactor using the optimased culture medium. The results were in line with the predict values. It was concluded that the studied strain is well suited to be used as parental strain to prepare a starter for vinegar fruit production. [less ▲]

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See detail“Rhythm and Repetition in Caryl Phillips’s Dancing in the Dark”
Mascoli, Giulia ULg

Conference (2016, March 20)

My proposal is to deal with Dancing in the Dark (London: Vintage, 2005), a novel by Caryl Phillips, a contemporary British author of Caribbean descent. This narrative is devoted to the Caribbean American ... [more ▼]

My proposal is to deal with Dancing in the Dark (London: Vintage, 2005), a novel by Caryl Phillips, a contemporary British author of Caribbean descent. This narrative is devoted to the Caribbean American entertainer Bert Williams (1874–1922) who was the first black performer in the Ziegfield Follies and it traces his frustrating life as a black performer who had to blackface. Like most of Phillips’s literary production, Dancing in the Dark is shaped by music, both thematically –there are scenes involving musical performances, lyrics interspersed throughout the novel– and formally through the recurrent and creative use of repetitions and meaningful variations in rhythm, and sonic effects. Indeed, various elements of sound are present through poetic language and forms to emphasize elements of rhythm: repetitive devices such as rhymes, meters and alliterations. My contention is that these rhythmic devices partake in the emotional impact of Phillips’s writing; sonic elements emphasize the musical properties of language, strike the reader and prevent them from forgetting the traumatic experience of Bert. Through repetition, they transfer the character’s traumatic experience into the writing and create a sense of sympathy with the reader which privileges immediate empathy. If Bert Williams has been largely forgotten until recently, I believe that Phillips’s rhythmic prose will enable Bert’s story to resonate in the reader’s mind long after closing the book. [less ▲]

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See detailLes PCSK9 : la mort des statines ?
RADERMECKER, Régis ULg

Conference (2016, March 19)

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See detailThe Islamic coinage of Barqa from the conquest up to the advent of the Fatimids
Bauden, Frédéric ULg

Conference (2016, March 19)

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See detailGoro Gheri as the "perfect secretary"?
Miesse, Hélène ULg

Conference (2016, March 19)

Detailed reference viewed: 21 (0 ULg)
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See detailMarker et mémoire
Pieron, Julien ULg

Conference (2016, March 18)

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See detailWill Big Data Deliver Its Promised Productivity Growth?
Artige, Lionel ULg

Conference (2016, March 18)

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See detailÉcrire (malgré) l'espace aéré. Yves Berger et Edward Abbey au seuil du parc national américain
Di Gregorio, Luca ULg

Conference (2016, March 18)

Edward Abbey et Yves Berger ont nourri l’essentiel de leurs œuvres de leur fascination commune pour l’Ouest américain : plus spécifiquement pour la région du Grand Bassin et le pays des canyons – pays de ... [more ▼]

Edward Abbey et Yves Berger ont nourri l’essentiel de leurs œuvres de leur fascination commune pour l’Ouest américain : plus spécifiquement pour la région du Grand Bassin et le pays des canyons – pays de sable et de grès, pays minéral, sidéral, qui concentre plusieurs des plus fameux parcs naturels des États-Unis. Mais si leur passion s’attache au même objet d’élection – les paysages sublimes du Sud-Ouest –, l’un et l’autre divergent par les voies qu’ils empruntent et les points de vue d’où ils se postent pour le goûter, et surtout pour en rendre compte par l’écriture. En effet, un Océan entier sépare leurs positions vis-à-vis de la nature américaine – mais pas uniquement : chacun représente aussi, pour son pays respectif, une bonne part de l’ethos et de l’habitus qui y valorise d’ordinaire l’écrivain. Ancien ranger saisonnier, Abbey est un écrivain activiste et baroudeur, s’affichant en prise directe avec le terrain, tandis que Berger, protagoniste influent du milieu littéraro-éditorial parisien, rêve d’Amérique en même temps qu’il siège parmi les jurés du Goncourt. En première analyse donc, rien, hormis une vague parenté de génération et un goût du Nouveau Monde, ne justifierait l’association de deux écrivains aussi éloignés l’un de l’autre. Mais nonobstant ce gouffre sociogéographique, ce qui, en dernière analyse, rapproche nos deux auteurs, réside dans l’obstacle commun qui perturbe leur abord de l’Amérique sauvage: le National Park Service et son immense réseau d’espaces aérés naturels, quadrillant, pour les protéger (et les promouvoir), les plus fameux paysages de l’Ouest. Là où Abbey rejoint Berger, et réciproquement, c’est dans cette façon de mal assumer l’importun isolant phénoménologique qu’est le parc, d’éprouver une nette complication à écrire et ressentir la Nature au travers de son interférence. Phénomène non-naturel par excellence, ce seuil que pose le parcage leur pose, à eux, un lourd problème, puisqu’il leur renvoie la part d’impossible du rapport qu’ils désirent cultiver avec le Grand Ouest. Là encore cependant, même cet « impossible » se manifeste différemment à chacun. Comment, pour le ranger Abbey, évoquer une intimité native avec le cosmos en dépit du cadenassage institutionnel dont il est partie prenante? Comment, pour le Français Berger, passer dignement en Amérique à la façon d’un vrai voyageur, en évitant de rendre l’effet d’un touriste anonyme, téléguidé par le balisage et la signalétique du parc naturel ? Heurtant le désir d’immanence à la wilderness de l’un, le parc compromet aussi l’aspiration au voyage authentique de l’autre : tel est le « problème » du parc, dont on analysera ici quelques symptômes et solutions poétiques au sein de deux œuvres ayant pour cadre la région des Four Corners1 : l’incontournable Desert Solitaire (1968) d’Abbey, véritable bible du Nature Writing en Amérique, dialoguera ainsi avec La Pierre et le Saguaro (Prix de la langue française, 1990) d’Yves Berger. Mais préalablement, et alors que le National Park Service fête cette année son centenaire, il convient de faire un rapide point théorique et phénoménologique sur ce qu’implique et recouvre l’objet culturel « parc américain ». [less ▲]

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See detailLes libéraux belges et le national-socialisme (1933-1945)
Brüll, Christoph ULg

Conference (2016, March 18)

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See detail“Everything was losing definition and outline”: Re-membering Trauma Fiction in Gail Jones’s Sorry
Belleflamme, Valérie-Anne ULg

Conference (2016, March 18)

In an article, Australian novelist and essayist Gail Jones confesses of her novel Sorry that it has “a political-allegorical aspect – as one would expect, claiming such a title” (2008, 79). Published in ... [more ▼]

In an article, Australian novelist and essayist Gail Jones confesses of her novel Sorry that it has “a political-allegorical aspect – as one would expect, claiming such a title” (2008, 79). Published in 2007, that is, one year prior to the formal apology delivered by the Australian government to the Aborigines and Torres Strait Islanders, Sorry engages in a reflection on the ethics of reconciliation. Written in response to Jones’s wish to acknowledge the debt to the Stolen Generations, the novel also offers new possibilities of ethical mourning, allowing the dead to return and the voiceless to speak. My paper will seek to explore the ways in which Jones draws on trauma fiction to bypass not only the unsayable dimension of Australia’s history and what she elsewhere criticises as the trauma model’s “transferential gesture of victim surrogacy” symptomatic of postcolonising settler cultures (2004, 162) but also the representational difficulties inherent in trauma. Moreover, it is by introducing into her novel the concept of traumatic time, “a time that is broken, and […] recursive” (qtd. in Block 2008) and which mirrors on the level of form and structure the effects that trauma exerts on its victims, that Jones she recreates a narrative model that echoes an Australian discourse pre-dating the Bringing Them Home report – that is tinged with amnesia, fragmented memories, and silence –, against which she will assert her own counter-discourse. Works Cited: - Block, Summer. 09 May 2008. “Interview: Gail Jones.” Interview. January Magazine. Web. 16 Jan. 2013. - Jones, Gail. 2004. “Sorry-in-the-Sky: Empathetic Unsettlement, Mourning, and the Stolen Generations.” In Imagining Australia: Literature and Culture in the New New World, edited by Judith Ryan and Chris Wallace-Crabbe, 159-171. Cambridge, MA: Harvard University Press. - Jones, Gail. 2007. Sorry. London: Harvill Secker. - Jones, Gail. 2008. “Speaking Shadows: Justice and the Poetic.” In Just Words?: Australian Authors Writing for Justice, edited by Bernadette Brennan, 76-86. St Lucia: University of Queensland Press. [less ▲]

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See detailLa Province au défi de la Sixième réforme de l'État
Grandjean, Geoffrey ULg

Conference (2016, March 17)

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See detailThe Bullshit Abstract: From Critique to Reflexive Practice
Van Oudheusden, Michiel ULg; Charlier, Nathan ULg; Claisse, Frédéric ULg

Conference (2016, March 17)

Academics use the abstract to summarize and communicate a research paper’s focus, methods, findings, and conclusions. However, not all abstracts are convincing. Many are bland, uninspired, or outright ... [more ▼]

Academics use the abstract to summarize and communicate a research paper’s focus, methods, findings, and conclusions. However, not all abstracts are convincing. Many are bland, uninspired, or outright stupid, as authors do not always know what they want to say or how to communicate complex research in the space of a few hundred words. They hence often convey the kind of “intelligent stupidity,” which Robert Musil (1937) said could hardly be “distinguished from talent, progress, hope or improvement.” By implication, abstracts are prone to contain and perpetuate “academic bullshit” (Frankfurt 2005), broadly understood as forms of academic expression that meet the stylistic academic standards but generate content that is deceptive, doubtful, or irrelevant. Taking this inherent disposition towards bullshit in the academic abstract as its entry point, this paper presents ten self-authored “bullshit abstracts,” which draw inspiration from various academic fields. Far from denouncing bullshit outright, it acknowledges the inevitable character of bullshit in academic writing (Eubanks and Schaeffer 2008). It urges academics to reflexively consider, and perform, their roles as researchers and writers in view of the challenges they face today, such as reputation management and the pressure in academia to publish or perish; and their complete lack of sensitivity to the odorous aspects of writing. [less ▲]

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See detail"Parcours fléchés. Seuils et traversées dans l'œuvre de Marc-Antoine Mathieu"
Belloi, Livio ULg

Conference (2016, March 17)

Cette communication se propose d'étudier "Sens" (2014), le dernier album du dessinateur français Marc-Antoine Mathieu. Plus spécifiquement, il s'agissait, conformément au thème directeur du Congrès de St ... [more ▼]

Cette communication se propose d'étudier "Sens" (2014), le dernier album du dessinateur français Marc-Antoine Mathieu. Plus spécifiquement, il s'agissait, conformément au thème directeur du Congrès de St. Louis, d'examiner l'œuvre de Mathieu sous l'angle de son dispositif péritextuel (première de couverture, prologue, couverture intérieure). [less ▲]

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See detail“From another angle”: the Australian Reconciliation in Gail Jones’s Sorry and Five Bells
Belleflamme, Valérie-Anne ULg

Conference (2016, March 17)

On 26 May 2000, an estimated 250,000 people – Australian novelist and essayist Gail Jones included – walked across the Sydney Harbour Bridge in support of the Australian Reconciliation process. More ... [more ▼]

On 26 May 2000, an estimated 250,000 people – Australian novelist and essayist Gail Jones included – walked across the Sydney Harbour Bridge in support of the Australian Reconciliation process. More importantly, eight years later, Jones claimed that “in writing [her novel Sorry] [she] rehearsed [her] own concern that the reconciliation process not be forgotten – since it has certainly faded from the political agenda since the bridge walk of 2000[” (2008: 84). This and her claim that “the heartwarming Sorry Books [...] ought seriously to be considered within the genre of the poetics of political dissent, and not as casual or sentimental acts of mere signature” (2008: 164) are indicative of Jones’s writing and of her wish to subvert the stereotypical and ambiguous discursive manifestations of the Australian Reconciliation. By the same token, her novels Sorry (2007) and Five Bells (2011) offer a complex picture of the ethics of reconciliation, namely one that includes “an admission of uncertainty, a calculation of difficulty, and an awareness that justice – and human relations – is rarely written in black and white” (Jones 2008: 86). My paper will thus seek to explore how Jones, by drawing on forms of narrative indirections in both, Sorry and Five Bells, distances herself from white Australian writers who deal with the Stolen Generations in a way that seems to appropriate Aboriginal and Torres Strait Islander peoples’ experiences. Sorry and Five Bells, then, offer an alternative to standard reconciliation practices, with a view to bridging the gap between white Australia’s history and the history of the Aborigines. References: - Jones, Gail. 2008a. Sorry. London: Vintage. - Jones, Gail. 2008b. Speaking shadows: Justice and the poetic. In Just Words?: Australian Authors Writing for Justice, Bernadette Brennan (ed.). St Lucia, Qld.: University of Queensland, 76-86. - Jones, Gail. 2012. Five Bells. London: Vintage. [less ▲]

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See detailComment lire les textes informatifs au début du secondaire?
De Croix, Séverine ULg

Conference (2016, March 17)

Pourquoi et comment apprendre à lire les textes informatifs dans les différentes disciplines au début de l'enseignement secondaire ? Pour tenter de répondre à cette double question, l'auteure s'efforce ... [more ▼]

Pourquoi et comment apprendre à lire les textes informatifs dans les différentes disciplines au début de l'enseignement secondaire ? Pour tenter de répondre à cette double question, l'auteure s'efforce tout d'abord d'identifier les spécificités de ces textes et des modes de lecture qu'ils impliquent. Elle propose ensuite quelques repères, fondés sur différents travaux de recherche récents, quant aux pratiques et dispositifs didactiques qui y sont adaptés. [less ▲]

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See detailEvaluation results of ECHAM-HAMMOZ
Schultz, Martin; Taraborrelli, Domenico; Franco, Bruno ULg et al

Conference (2016, March 16)

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See detailFoot identification from digital 3D models of lion tracks and paws
Marchal, Antoine ULg; Lejeune, Philippe ULg; De Bruyn, Nico

Conference (2016, March 15)

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See detailGetting on Board but How? Conflicting Perspectives on the Role of the Social Sciences and Humanities in Radiation Protection
Van Oudheusden, Michiel ULg; Rossignol, Nicolas ULg; Perko, Tanja et al

Conference (2016, March 14)

In Europe, science research policy is predicated on the understanding that science and technology (S&T) serve societal needs. Accordingly, European Framework Programs urge scientists and technologists to ... [more ▼]

In Europe, science research policy is predicated on the understanding that science and technology (S&T) serve societal needs. Accordingly, European Framework Programs urge scientists and technologists to give due attention to societal and ethical aspects of S&T, and to engage with social scientists and humanists when doing research and reaching out to society. Starting from these policy prescriptions and from invitations from befriended life scientists to "get on board," we explore the terms of our involvement as social scientists and humanists in a European Joint Program on radiation protection research (EJP-CONCERT). We illuminate recurring tensions between instrumental, normative, and substantive perspectives on the role of the social sciences and humanities (SSH) in radioprotection research and nuclear S&T. Our aim is to shed light on the controversial and contingent nature of integrating SSH into nuclear S&T, as actors articulate divergent assumptions and expectations about SSH and society. These expectations pertain to the value of SSH research for S&T, issues of trust and legitmacy, and different perspectives on risk and uncertainty. By rendering these tensions explicit we seek to probe the implications for SSH of developing a separate SSH Strategic Research Agenda (SRA) within radiation protection research. [less ▲]

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See detailOpening risk gouvernance with a vigilance system: lessons learned from the Blue Tongue Virus outbreak in 2006
Fallon, Catherine ULg

Conference (2016, March 14)

This contribution results from a field research by a multidisciplinary group of veterinary and political scientists and gives an analyses of the transformations of an epidemiosurveillance governance ... [more ▼]

This contribution results from a field research by a multidisciplinary group of veterinary and political scientists and gives an analyses of the transformations of an epidemiosurveillance governance system dedicated to animal diseases, when confronted to new emerging threats in the wake of global changes (Fallon et al., in Vertigo 12(3) 2012) . The research field refers to the emergence of bluetongue virus serotype 8 in 2006 in Belgium and it mobilises the results of a survey based on Delphi method involving relevant public servants and scientists, which showed that most of the means proposed by the authorities are based on the logic of known risk management. However we can identify attempts for renewal and organisational learning, especially with the proposal of a new vigilance system, which allows open discussion and reporting through the decision process. In terms of prevention and anticipation of the adverse event), these changes are intended to accommodate the surveillance system reactivity against uncertain and unforeseen events. We question the problems faced by this transformation and its potential for enriching and reconfiguring the conceptualisation of risk management which is currently dominant in the sector. Finally the article identifies two drivers for change in the governance network : by admitting the persistence of unavoidable cognitive uncertainty and by recognizing the importance for opening up arenas of expert knowledge. [less ▲]

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Peer Reviewed
See detailThe roads of colouring materials: from sources to residues
Pradeau, Jean-Victor; Dayet, Laure; Salomon, Hélène ULg

Conference (2016, March 11)

Economic systems and social relationships gain an increasing complexity in prehistoric periods. Despite their symbolic value and their informative potential in these issues, colouring materials (“ochre” ... [more ▼]

Economic systems and social relationships gain an increasing complexity in prehistoric periods. Despite their symbolic value and their informative potential in these issues, colouring materials (“ochre”, iron oxi(hydrxi)des, cinnabar, etc.) had received scant attention compare to obsidian, flint, metals or igneous rocks. Since the 2000’s, trace elemental analysis (PIXE, XRF, INAA, ICP-MS) and petrographic studies give keys to collect gitological and sourcing data. This methodology has recently improved quantitative knowledge on colouring material’s acquisition modalities and on global technic system itself. Contrasting situations are indeed highlight: archaeological corpus may consist of several raw colouring materials, unequally shared, providing from site range, close diffusion area or far diffusion area. Furthermore, the status of the different geomaterials, the diffusion modalities – direct acquisition, direct or indirect exchanges – and the identity of exporters, transporters and receivers (if any) stay unclear. Two main topics should liven up this session: a fruitful debate on different methodologies depending on geographical contexts and diachronic revue of colouring material procurement through the lens of cultural contexts and site’s status. [less ▲]

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See detailThe Macroeconomics of PAYG Pension Schemes in an Ageing Society
Artige, Lionel ULg

Conference (2016, March 10)

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See detailL'ENMG...c'est le pied
WANG, François-Charles ULg

Conference (2016, March 10)

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See detailIntroduction au séminaire
Francois, Jeromine ULg; Regibeau, Julien ULg

Conference (2016, March 09)

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See detailSpecialization SIAMU : past, present and future
Servotte, Jean-Christophe ULg

Conference (2016, March 08)

Présentation de l'histoire de la spécialisation SIAMU avec un focus sur la simulation.

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Peer Reviewed
See detailRepeated Behavioral Assessments in Patients with Disorders of Consciousness
Wannez, Sarah ULg; Annen, Jitka ULg; Aubinet, Charlène ULg et al

Conference (2016, March 04)

The Coma Recovery Scale Revised (CRS-R) is considered as the most sensitive scale to assess patients with disorders of consciousness (DOC). Guidelines recommend repeated assessments because patients might ... [more ▼]

The Coma Recovery Scale Revised (CRS-R) is considered as the most sensitive scale to assess patients with disorders of consciousness (DOC). Guidelines recommend repeated assessments because patients might suffer from consciousness fluctuations, but it is not specified how many assessments are needed. The present study included 131 patients with DOC. They have been assessed at least 6 times during a 14-days period with the CRS-R. Results show that 5 CRS-R assessments are needed to reach a reliable diagnosis, and that all the CRS-R subscales are influenced by consciousness fluctuations. We here showed that consciousness fluctuations influence the behavioral diagnosis, and that 5 assessments within a short period of time are needed to get a reliable clinical diagnosis. [less ▲]

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Peer Reviewed
See detailPropositions pour penser la notion d'erreur en photographie
Havelange, Carl ULg

Conference (2016, March 04)

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See detailEuthanasie et don d'organes
DETRY, Olivier ULg

Conference (2016, March 04)

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See detailMetamorphosing cultural patterns: Cassirer in the steps of Warburg on Culture Theory
Hagelstein, Maud ULg

Conference (2016, March 03)

My argument stems from a reading of the fifth study in Cassirer’s The Logic of the Cultural Sciences (1942), devoted to the “Tragedy of Culture.” I contend that this fifth study resolves an observable ... [more ▼]

My argument stems from a reading of the fifth study in Cassirer’s The Logic of the Cultural Sciences (1942), devoted to the “Tragedy of Culture.” I contend that this fifth study resolves an observable indecision in Cassirer’s position on cultural productions: to lead man toward greater happiness and freedom, should one strive to uphold traditional forms, or should one abandon old models and create new ones? I believe that Cassirer’s consideration of art historian Aby Warburg’s works (1866-1929) constitutes a defining moment in understanding his answer to that question. This fifth study illustrates the profound impact of Warburg’s model for understanding culture on Cassirer’s philosophy. Contrary to the claims of some exegetes, Cassirer and Warburg’s theoretical positions on the matter are very close. Cassirer’s treatment of the reception of artistic forms (he argues that form reception is never merely a passive act) follows, point by point, Warburg’s theory of the survival (Nachleben) of artistic motifs. [less ▲]

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See detailRelative positioning with Galileo E5 AltBOC code measurements
Deprez, Cécile ULg

Conference (2016, March 03)

Depuis une dizaine d’années, l’Europe développe son propre système de positionnement par satellites (ou Global Navigation Satellites System (GNSS) en anglais), connu sous le nom de Galileo. À la pointe de ... [more ▼]

Depuis une dizaine d’années, l’Europe développe son propre système de positionnement par satellites (ou Global Navigation Satellites System (GNSS) en anglais), connu sous le nom de Galileo. À la pointe de la technologie, les horloges atomiques embarquées à bord de ses satellites ainsi que les signaux transmis par ces derniers sont extrêmement prometteurs dans beaucoup de domaines. Bien que toujours en phase de test à l’heure actuelle, ce système a déjà conduit à de premières mesures, notamment en matière de positionnement. Parmi ces nouvelles technologies, un signal en particulier semble très prometteur : Galileo E5, aussi appelé Galileo E5a+b ou encore Galileo E5 AltBOC. Ce signal permet d’effectuer des mesures de code et de phase plus précises. Il est également moins sensible au multi-trajet. Grâce à ses caractéristiques innovantes, Galileo E5 devrait permettre d’estimer des positions avec une précision supérieure à tous les autres signaux utilisés aujourd’hui. Une étude comparative des positions estimées avec les systèmes GPS (américain) et Galileo (européen) sur leurs différentes fréquences émises (GPS L1, GPS L2, GPS L5 pour GPS et Galileo E1, Galileo E5a, Galileo E5b et Galileo E5 AltBOC pour Galileo) a été menée dans ce mémoire. Pour ce faire, une combinaison d’observations appelée double différence (DD) est utilisée sous différentes configurations (ligne de base nulle (ZB), courte (SB) et moyenne (MB)) de récepteurs GNSS. Les récepteurs utilisés appartiennent à l’Université de Liège (2 récepteurs Trimble NetR9, 1 récepteur Septentrio XS et un récepteur Septentrio X4). Il ressort de cette étude que Galileo E5 AltBOC présente les observations les plus précises (en ZB, toutes sources d’erreurs éliminées). L’analyse démontre également qu’une précision de l’ordre de quelques décimètres sur la position à déterminer peut être atteinte avec les codes transmis par le signal Galileo E5, et ce jusqu’à 25 kilomètres de distance. [less ▲]

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See detailSalon de la géomatique F.I.G. 2016 - Saint-Dié
Donnay, Jean-Paul ULg

Conference (2016, March 03)

Le Festival International de la Géographique (FIG) est organisé depuis 1990 à Saint-Dié-des-Vosges. Il accueille chaque année quelque 50.000 visiteurs et rassemble tant les spécialistes internationaux et ... [more ▼]

Le Festival International de la Géographique (FIG) est organisé depuis 1990 à Saint-Dié-des-Vosges. Il accueille chaque année quelque 50.000 visiteurs et rassemble tant les spécialistes internationaux et que les simples amateurs de culture et d’animation. Conférences, débats, tables rondes, cafés géographiques, expositions, foire du livre, salon de la géomatique, films… tout dans la ville et durant 3 jours est consacré – gratuitement – à la présentation des dernières découvertes de la recherche scientifique en géographie. Chaque année, un pays invité est à l’honneur. En 2016, c’est la Belgique ; de sorte que les chercheurs, les enseignants et les entreprises publiques et privées belges sont spécialement invités à participer à cette manifestation. La présentation faite durant la journée BeGeo du 3 mars à Bruxelles aura pour but de présenter les conditions de participation et d’inviter les partenaires belges au Salon de la Géomatique organisé durant le Festival International de la Géographie du 30 septembre au 2 octobre 2016. [less ▲]

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See detailEvaluer les connaissances et savoir-faire en matière de recherche d’informations scientifiques : comment faire avec de grands groupes d’étudiants en bachelier ?
Vandenput, Sandrina ULg; Crahay, Vinciane ULg; Piazza, Aurélie ULg et al

Conference (2016, March 01)

Au terme du cours consacré à la recherche d’informations scientifiques - au programme des bacheliers de la Faculté de Médecine vétérinaire et de la Faculté de Psychologie, Logopédie et des Sciences de ... [more ▼]

Au terme du cours consacré à la recherche d’informations scientifiques - au programme des bacheliers de la Faculté de Médecine vétérinaire et de la Faculté de Psychologie, Logopédie et des Sciences de l’Éducation (Université de Liège) - les étudiants doivent avoir une vue d’ensemble de la publication scientifique et être capables de (i) mener de manière autonome une recherche d’informations et (ii) de citer correctement leurs sources en respectant des normes bien précises lors de la rédaction de documents. L’évaluation de ce cours est contraignante car il s’agit de cohortes d’étudiants de plus en plus grandes (> 300 étudiants par cursus). Comment évaluer les connaissances ainsi que les savoir-faire de grands groupes d’étudiants ? Jusqu’alors l’examen se composait de questions ouvertes et nécessitait que chaque étudiant ait à sa disposition un ordinateur connecté à Internet. Cette méthode requérait une logistique importante avant et pendant l’examen ainsi que des semaines de correction. Plusieurs alternatives à cette évaluation ont alors été envisagées : travail individuel, travail de groupe, questionnaire à choix multiple… mais elles ne répondaient pas aux exigences fixées par les compétences à évaluer. La piste retenue pour cette nouvelle année académique reste contraignante du point de vue organisationnel (ordinateur pour chaque étudiant) mais permet une correction standardisée, automatisée, fiable et rapide. En effet, le questionnaire combine désormais des questions à choix multiple (QCM ; jusqu’à 9 propositions de réponses) et des questions à choix large (QCL ; jusqu’à 999 propositions). Le QCL présente l’avantage d’être proche de l’évaluation à l’aide de questions ouvertes sans les désavantages de la correction. Nous proposons de présenter ce dispositif évaluatif ainsi que ses avantages et inconvénients par rapport à d’autres méthodes d’évaluation. [less ▲]

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See detailLe manuel : pourquoi ? comment ?
Pochet, Bernard ULg

Conference (2016, March 01)

The aim of this communication is to present the objective the tools used to perform, meet objectives and overcome technical constraints

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See detailLe sensible chez Franz Brentano
Gauvry, Charlotte ULg

Conference (2016, March)

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Peer Reviewed
See detailMobiliser la culture du pays d’origine, un défi pour l’intégration des migrants?
Mescoli, Elsa ULg; Gsir, Sonia ULg

Conference (2016, March)

La culture constitue pour les migrants et leurs pays d’origine un moyen de maintenir des liens réciproques après la migration. Mais quels sont les enjeux de la mobilisation de la culture d’origine pour ... [more ▼]

La culture constitue pour les migrants et leurs pays d’origine un moyen de maintenir des liens réciproques après la migration. Mais quels sont les enjeux de la mobilisation de la culture d’origine pour l’intégration des migrants dans leurs nouveaux pays de résidence ? Cette présentation analyse le déploiement de la culture du pays d’origine à trois niveaux : celui des pratiques quotidiennes des migrants, des politiques d’intégration et de diaspora et enfin, le niveau des associations, en particulier les centres culturels établis en Europe par les pays d’origine des migrants. Les pratiques culturelles des migrants et les actions et institutions culturelles mises en place par les pays d’origine sont confrontées au cadre légal européen en matière de diversité culturelle mais aussi aux politiques et discours sur l’intégration des migrants. La perspective à la fois anthropologique et sociologique adoptée révèle les processus de domination culturelle qui sont à l’œuvre. Elle permet aussi de questionner l’idée d’identité culturelle en montrant le dynamisme qui caractérise les cultures mais aussi la créativité des communautés locales dans un environnement globalisé. Finalement, on constate qu’une variété de facteurs est en jeu dans les processus d’intégration des migrants, que les dynamiques de la culture elle-même déterminent des appartenances multiples et aussi que les identités se développent au sein des interactions entre cultures. Si on ne peut établir de lien causal et univoque entre les pratiques culturelles liées au pays d’origine et l’intégration des migrants dans le pays de résidence, on peut par contre se référer à la notion d’ethnicité et à sa fonction politique (Comaroff et Comaroff, 2009). [less ▲]

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See detailCertificat successoral européen Aperçu et mise en oeuvre
Wautelet, Patrick ULg

Conference (2016, March)

Cette présentation a pour objectif de donner un aperçu général du fonctionnement du certificat successoral européen mis en place par le Règlement successions

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See detailA "external" StandPoint on QMS
Massart, Sébastien ULg

Conference (2016, March)

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Peer Reviewed
See detailThe bottom up innovation and entrepreneurship in smart cities, case of Indian cities
Kummitha, Rama; Crutzen, Nathalie ULg

Conference (2016, March)

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See detailDes pratiques enseignantes qui font obstacle au rôle des modèles dans la construction des savoirs scientifiques
Dontaine, Matthieu; Heins, Pascal ULg; Hindryckx, Marie-Noëlle ULg et al

Conference (2016, March)

Dans une perspective comparatiste, des didacticiens de plusieurs disciplines (biologie, chimie, histoire de l’art, mathématique et physique) ont étudié des pratiques enseignantes faisant obstacle au rôle ... [more ▼]

Dans une perspective comparatiste, des didacticiens de plusieurs disciplines (biologie, chimie, histoire de l’art, mathématique et physique) ont étudié des pratiques enseignantes faisant obstacle au rôle des modèles dans la construction des savoirs scientifiques. Leur réflexion croisée les a amenés à considérer des niveaux élevés de l’échelle de codétermination didactique de Chevallard (2012) pour identifier des indicateurs d’une certaine forme de positivisme empirique dans l’épistémologie spontanée des enseignants. Cette posture s’exprime plus ou moins différemment d’une discipline à l’autre mais le fait que les modèles et théories enseignées ont fait ou non l’objet d’une standardisation au sein de communautés scientifiques savantes déterminent fortement leur transposition didactique. De ce point de vue, l’exemple de l’histoire de l’art a joué un rôle méthodologique important permettant de contraster et de questionner les pratiques dans les autres disciplines. Ce questionnement s’inscrit dans un objectif à plus long terme qui est la reproblématisation (au sens de Orange, 2005) d’enseignements relatifs aux disciplines enseignées. [less ▲]

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See detailOrphan Black and Literature
Guesse, Carole ULg

Conference (2016, March)

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See detailClassifying simulated wheat yield responses to changes in temperature and precipitation across a european transect
Fronzek, S.; Pirttioja, N.; Carter, T. R. et al

Conference (2016, March)

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See detailAn ensemble of projections of wheat adaptation to climate change in europe analyzed with impact response surfaces
Ruiz-Ramos, M.; Ferrise, R.; Rodríguez, A. et al

Conference (2016, March)

Detailed reference viewed: 24 (1 ULg)
Peer Reviewed
See detailDes pratiques enseignantes qui font obstacle au rôle des modèles dans la construction des savoirs scientifiques. 2. Le cas de la discipline scolaire "histoire de l'art"
Heins, Pascal ULg

Conference (2016, March)

Dans une perspective comparatiste, des didacticiens de plusieurs disciplines (mathématiques, physique, chimie, biologie, histoire de l’art) ont étudié des pratiques enseignantes faisant obstacle au rôle ... [more ▼]

Dans une perspective comparatiste, des didacticiens de plusieurs disciplines (mathématiques, physique, chimie, biologie, histoire de l’art) ont étudié des pratiques enseignantes faisant obstacle au rôle des modèles dans la construction des savoirs scientifiques. Leur réflexion croisée les a amenés à considérer des niveaux élevés de l’échelle de co-détermination didactique de Chevallard (2012) pour identifier des indicateurs d’une certaine forme de positivisme empirique dans l’épistémologie spontanée des enseignants. Cette posture s’exprime plus ou moins différemment d’une discipline à l’autre, mais le fait que les modèles et théories enseignées ont fait ou non l’objet d’une standardisation au sein de communautés scientifiques savantes déterminent fortement leur transposition didactique. De ce point de vue, l’exemple de l’histoire de l’art a joué un rôle méthodologique important permettant de contraster et de questionner les pratiques dans les autres disciplines. Ce questionnement s’inscrit dans un objectif à plus long terme qui est la reproblématisation (au sens de Orange, 2005) d’enseignements relatifs aux disciplines enseignées. [less ▲]

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See detailBad News in Service Encounters: Ideas and Insights
Delcourt, Cécile ULg; Gremler, Dwayne

Conference (2016, March)

Detailed reference viewed: 32 (1 ULg)
Peer Reviewed
See detailUn manuscrit de l’entourage de Noël Bellemare sous le microscope : analyse du ms. W 29 de l’Université de Liège
Oger, Cécile ULg; L'Estrange, Elizabeth; Gilbert, Bernard ULg et al

Conference (2016, February 26)

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See detailL’enseignement de l’éducation physique en Belgique francophone : une lente transition vers la littératie physique et un ancrage sociétal
Cloes, Marc ULg

Conference (2016, February 25)

A la fin des années 90’, les autorités en charge de l’Education dans l’actuelle Fédération Wallonie-Bruxelles ont attribué à l’éducation physique la mission de développer trois domaines de compétences ... [more ▼]

A la fin des années 90’, les autorités en charge de l’Education dans l’actuelle Fédération Wallonie-Bruxelles ont attribué à l’éducation physique la mission de développer trois domaines de compétences (condition physique, habiletés gestuelles, coopération socio-motrice) pour poursuivre en parallèle quatre finalités (santé, sécurité, expression-communication, éducation sportive). Si les textes officiels semblaient encourager le développement d’un cours d’éducation physique où le sport cédait un peu de terrain à l’activité physique au sens large, force est de constater que, dans les faits, les séances sont restées essentiellement construites par rapport à la pratique de disciplines sportives (dont le choix tend par ailleurs à s’élargir et à se diversifier). Depuis quelques années, sous l’impulsion des formateurs d’enseignants, on constate toutefois une modification très progressive des mentalités. De plus en plus d’initiatives sont ainsi mises en place sur le terrain dans la perspective d’amener les élèves à devenir des citoyens responsables … de leur corps tout au long de leur vie. Cette évolution en faveur de la littératie physique s’accompagne par ailleurs de démarches visant à souligner l’ancrage sociétal de la discipline dont l’apport concret doit impérativement être mis en exergue : le cours d’éducation physique qui présente des liens directs avec ce qui se passe en dehors des murs de l’école. Le professeur d’éducation physique est ainsi de plus en plus présenté comme le potentiel coordinateur de la promotion d’un style de vie actif au sein des établissements scolaires. [less ▲]

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See detailDes modèles héroïques et bibliques pour François Ier. Le cas d’Hercule
Laruelle, Anne-Sophie ULg

Conference (2016, February 25)

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See detailVers un nouvel ancrage sociétal du cours d’éducation physique
Cloes, Marc ULg

Conference (2016, February 24)

Since two decades, a growing number of publications underlines the increase of the sedentariness of the society and, in parallel, that of the number of overweight people. It has been demonstrated that ... [more ▼]

Since two decades, a growing number of publications underlines the increase of the sedentariness of the society and, in parallel, that of the number of overweight people. It has been demonstrated that these evolutions will have negative consequences on the health of the citizen at mid and long terms. School is identified as one of the main pillars of the promotion of a physically active lifestyle. By the competences that they acquire during their studies, physical educaiton teachers are considered as the potential corner stone of actions to be implemented in order to allow youth to become citizen responsible of their body and to learn how to use it longlife. That implies reinforcing application of principles that physical educators know very well but that are not necessary integrated systematically in the professional practice. Beforehand to the action on the gym, it means that specific appraoches of teachers education (pre- and in-service) have to be implemented. The presentation proposes to review the current developments and will emphasize the share of good practices in teaching as well as in teacher education. [less ▲]

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See detailBouger plus: Retour vers le futur
Cloes, Marc ULg

Conference (2016, February 22)

Bouger plus est un projet visant à encourager la pratique de l'activité physique chez les seniors. Il est né dans le cadre d'une collaboration entre le Service Intervention et Gestion en Activités ... [more ▼]

Bouger plus est un projet visant à encourager la pratique de l'activité physique chez les seniors. Il est né dans le cadre d'une collaboration entre le Service Intervention et Gestion en Activités physiques et sportives de l'Université de Liège, d'une part, la Commune d'Esneux, d'autre part. Après avoir analysé les caractéristiques des habitudes des habitants de la la commune en matière d'activité physique, des interventions ont été implantées auprès d'un public cible particulier: les seniors. Ceux-ci sont considérés comme des personnes de 50 ans et plus. L'exposé retracera les différentes étapes de cette collaboration fructueuse puisque, six ans après le lancement de cette initiative citoyenne, des cycles d'activités sont toujours proposés et rencontrent d'ailleurs toujours plus de succès. Une réflexion sera menée à propos de l'évolution en cours du concept et des options qui se présentent pour la pérennisation de ce projet. [less ▲]

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See detailEsquisse d'une méthode et questions émotionnelles
Englebert, Jérôme ULg

Conference (2016, February 22)

Detailed reference viewed: 31 (5 ULg)
See detailDoes sector-specific experience matter? The case of European higher education ministers
Jacqmin, Julien ULg

Conference (2016, February 22)

Detailed reference viewed: 13 (1 ULg)
See detail"Témoigner-pour-mourir" : notes sur Sartre, Bourdieu et le passage par la biographie
Cormann, Grégory ULg

Conference (2016, February 22)

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See detailLes dysphagies : nouvelles conceptions théoriques et implications cliniques
Maillart, Christelle ULg

Conference (2016, February 20)

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See detailElp3 Lysine Acetyl-Transferase Controls Neuronal Survival in the Developing Inner Ear and is Crucial to Balance and Hearing
Delacroix, Laurence ULg; Mateo Sanchez, Susana ULg; Freeman, Stephen ULg et al

Conference (2016, February 20)

Elp3 lysine acetyl-transferase, the catalytic subunit of the Elongator complex, has been assigned multiple roles in gene transcription, DNA methylation and protein translation efficiency. Given the ... [more ▼]

Elp3 lysine acetyl-transferase, the catalytic subunit of the Elongator complex, has been assigned multiple roles in gene transcription, DNA methylation and protein translation efficiency. Given the importance of acetylation homeostasis in controlling developmental processes together with recent reports implicating Elp3 in cortical neurogenesis, we investigated its role during inner ear formation. In the inner ear, we detected Elp3 transcript in the sensory epithelia of the entire otic vesicle at embryonic day E11.5. At later stages, Elp3 mRNA is strongly expressed in the vestibular and spiral ganglion neurons. To investigate the role of Elp3 in vivo, we used a conditional knock-out mice (Foxg1Cre) in which the expression of the acetyl-transferase is lost in early otocyst. These mice show obvious vestibular defects as indicated by a stereotyped circling ambulation, head bobbing, retropulsion and the absence of a reaching response in the tail-hanging test. Furthermore, we identified a severe hearing loss in Elp3cKO mice through Auditory Brainstem Responses. We show that Elp3 enzyme is crucial for neuronal survival in the spiral ganglion and in the vestibule and that it ensures a correct innervation pattern in the developing inner ear. In the absence of Elp3, a drastic increase in the number of apoptotic neurons was detected by active Caspase-3 and pH2AX immunostainings, particularly during the early stages of development (between E12.5 and E14.5). Postnatally, the neurons remaining in Elp3cKO cochleae seem to establish synaptic contacts with the sensory cells but show obvious signs of cell damage as evidenced by Transmission Electron Microscopy. Taken together, these data support a role for Elp3 in hearing and balance and point out an important role for acetylation homeostasis during inner ear formation. We are currently investigating the molecular mechanisms underlying Elp3 effect on neuronal survival and pathfinding. [less ▲]

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See detailComputerized adaptive and multi-stage testing with R
Yan, Duanli; Magis, David ULg

Conference (2016, February 19)

Computerized Adaptive Testing (CAT) has greatly improved the accuracy and efficiency of psychological testing for decades. Multistage Testing (MST) has received much of attention recently. MST is similar ... [more ▼]

Computerized Adaptive Testing (CAT) has greatly improved the accuracy and efficiency of psychological testing for decades. Multistage Testing (MST) has received much of attention recently. MST is similar to CAT such that it allows the adaptation of the difficulty of the test to the level of ability of a test taker. Specifically, in MST, items are interactively selected for each test taker, but rather than selecting individual items, groups of items are selected and the test is built in stages. Over the last decade, researchers have investigated ways for an MST to incorporate most of the advantages from CAT and linear testing, while minimize their disadvantages. These features include testing efficiency and accuracy, greater control of test content, more robust item review, as well as simplified test assembly and administration. Therefore, MST can be an effective compromise between CAT and linear testing, embedding features and benefits from both designs. Thus, MST becomes of more and more interest to researchers and practitioners as technology advances. This presentation will first provide a general overview of a multistage test (MST) design and its important concepts and processes. It will then present the latest development on CAT and MST using R, the mstR package. The presentation will also illustrate how to simulate MST administrations using mstR package, and discuss some practical issues and considerations for MST from design to applications. [less ▲]

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See detailBlack British women filmmakers: towards a genderracial Cinema ?
Herbert, Emilie ULg

Conference (2016, February 19)

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See detailDe uitspraak van Franstalige CLIL-leerders van het Nederlands
Vanackere, Laurine; Van Pée, Marie; Hiligsmann, Philippe et al

Conference (2016, February 19)

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See detailIdentifying Late Egyptian Virtual Relative Clauses
Sojic, Nathalie ULg

Conference (2016, February 19)

Ancient Egyptian so-called "virtual" relative clauses (VRC) are adverbial clauses that function like relative clauses. Descriptions provided by Late Egyptian grammars inform students of their existence ... [more ▼]

Ancient Egyptian so-called "virtual" relative clauses (VRC) are adverbial clauses that function like relative clauses. Descriptions provided by Late Egyptian grammars inform students of their existence and of the possibility to translate them accordingly. But they are not of a great help if one wants to grasp and describe the Late Egyptian relativization system in a linguistic perspective. The talk, given on the occasion of the international Crossroads V conference, aimed at providing interpretive guidelines based on syntax, pragmatics and Discourse Analysis. In my communication, I showed that Discourse Analysis proved to be very fruitful in clarifying some contexts of use of LEg VRCs as well as some interpretive processes. [less ▲]

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Peer Reviewed
See detailSecond argument realization in Earlier Egyptian
Motte, Aurore ULg; Winand, Jean ULg

Conference (2016, February 18)

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Peer Reviewed
See detailThe Egyptianness of the Coptic basic vocabulary: A typological view
Grossman, Eitan; Polis, Stéphane ULg

Conference (2016, February 18)

The notion of ‘basic vocabulary’ is associated with the linguist and anthropologist Morris Swadesh, who proposed a list of 200 (and later 100) items. These lists, while widely used in historical and ... [more ▼]

The notion of ‘basic vocabulary’ is associated with the linguist and anthropologist Morris Swadesh, who proposed a list of 200 (and later 100) items. These lists, while widely used in historical and comparative linguistics, are based on Swadesh’s intuitions rather than on empirical research. More recently, however, the Leipzig Loanword Typology Project conducted a cross-linguistic survey of loanwords (Haspelmath & Tadmor 2009). One of the results is a 100-item list of basic vocabulary entries — the ‘Leipzig-Jakarta list of basic vocabulary.’ This list is the product of four factors, computed for a database of 1440 meanings in 41 languages: borrowability, representation in the database, analyzability / simplicity, and age. As Tadmor (2009) points out, this is the first list of basic vocabulary items based on extensive cross-linguistic comparison, and it constitutes a ‘full-fledged basic vocabulary’ that ‘comprises the notions normally associated with this concept: stability (our age score), universality (our representation score) and simplicity (our analyzability score), as well as resistance to borrowing (our unborrowed score)’ (2009: 68). In this talk, we examine this list of 100 meanings in order to evaluate the influence of Greek on the Coptic basic vocabulary, or — to put it the other way around — the ‘Egyptian¬ness’ of the Coptic lexicon, which seems to reflect an intense language contact situation. As a first step, Coptic data were collected from Crum (1939), the most extensive Coptic dictionary, for four dialects: Sahidic, Bohairic, Fayyumic, and Akhmimic. All Coptic lexemes associated with a meaning on the list were collected, even if poorly attested. Additionally, a questionnaire was been submitted to Copticists in order to detect Greek loanwords that would also be used for expressing these 100 meanings. Furthermore, we used etymological tools (Černý 1976; Westendorf 1977; Vycichl 1983) in order to attribute an age score (from 0 = Greek loanword to 4 = Old Egyptian) to the lexemes at two levels: the formal level (when is the word first attested in Ancient Egyptian) and the semantic level (when is the Coptic meaning first associated with this word). The vast majority of meanings (ca. 85%) have at least one pre-Coptic Egyptian cognate, most of which are already attested in Old Kingdom texts. As a result of this study, we are able (1) to evaluate the influence of Greek on the basic vocabulary of the main Coptic dialects, (2) to describe the basic vocabulary of Coptic dialects independently and to observe how they differ from one another, (3) to produce a first estimate of the rate of change in basic vocabularies over the course of Egyptian as a whole. [less ▲]

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See detailDistribution of inorganic and organic contaminants in the intertidal surface sediments along the Hugli River Estuary, eastern part of India
Das, Krishna ULg; Sarkar, Santosh; Thomé, Jean-Pierre ULg et al

Conference (2016, February 17)

Hooghly estuary and coastal environment in north east coast of India has been strongly affected by the rapid human settlements, intensive boating and tourist activities, deforestation and ongoing ... [more ▼]

Hooghly estuary and coastal environment in north east coast of India has been strongly affected by the rapid human settlements, intensive boating and tourist activities, deforestation and ongoing agricultural and aquacultural practices. The present work investigated trace elements (TEs, T-Hg, Al, V, Cr, Fe, Mn, Cu, Zn, Co, Ni, Ca, Sr, Li, Be, P, Mo, Ag, Cd, Sn, Sb, Ba, Pb, Bi, U, As, Se) and organohalogen compounds in surface sediment (top 0-10cm) considering 8 sampling sites along the Hugli River Estuary (HRE), India. The studied organic compounds include polychlorobiphenyls (PCBs), hexachlorocyclohexane isomers (HCHs), dichlorodiphenyltrichloroethane and metabolites (DDTs) and polybromodiphenyl ethers (PBDEs). Textural analyses of the sediment reveal an overall dominance of mud. All trace elements could be detected at variable concentrations in the following descending order: Al>Fe>Ca> P>Mn> Cu> Zn> Ba >V >Cr>Sr>Ni> Li >Co >Pb>As >Se >U >Be >Sn>Bi >Ag >Mo >Cd >Sb. A synchronous enrichment of majority of the elements were observed at the site Gangasagar (~100 km south megacity Calcutta), situated at the confluence of Hugli River and Bay of Bengal, which might be attributed to cumulative impact of the physicochemical processes and multiple anthropogenic sources. It is revealed that PCBs and DDTs were the dominant compounds among the organic pollutants accounting concentrations up to 23.5 ng.g-1 and 4.4 ng.g-1 respectively at the site Babughat, adjacent to the megacity Calcutta. The results have implications for pollution in complex estuarine environment in a meso-macrotidal setup where there is significant influx of sediments carrying huge load of inorganic and organic pollutants mainly due to rapid urbanization and industrialization. [less ▲]

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See detailDesiccation cracks formation in clay-barrier for nuclear waste disposal
Hubert, Julien ULg; Prime, Noémie; Plougonven, Erwan ULg et al

Conference (2016, February 16)

In geotechnical engineering, the desiccation cracking of soil is commonly observed. This phenomenon is detrimental to the behavior of earth material and earth structure. Desiccation cracks can lead to the ... [more ▼]

In geotechnical engineering, the desiccation cracking of soil is commonly observed. This phenomenon is detrimental to the behavior of earth material and earth structure. Desiccation cracks can lead to the overall failure of many geotechnical structures: • They can affect the slope stability of earth dams or embankments; • They can initiate internal erosion of embankments due to water flow through the cracks; • They can compromise the efficiency of soil barriers such as landfill liners and top covers. Nowadays, the storage of nuclear waste in deep impermeable geological layers is considered. These storages are based on the multi-barrier principle, the last of which being the host rock, typically a clayey material. In this context, maintaining the very low hydraulic conductivity of the host rock is crucial. Unfortunately, the ventilation of excavated galleries causes convective drying of the host material and can lead to crack formation. This work aims to understand in which conditions exactly, during convective drying, does cracking occur in clayey materials. An experimental campaign has been carried out to characterize the drying behavior of Boom clay which is the host rock at the underground research facility in Mol (Belgium). X-Ray micro-tomography has been used to analyze crack development as well as shrinkage. The experiments are used to calibrate the transfer parameters of a convective drying law based on the limit layer model. This calibration is based on agreement of the drying kinetics. A numerical study is then performed and aims at reproducing the behavior observed during the experiments. A thermo-hydro-mechanical coupled model is used to determine the stress distribution during the drying and a tensile failure criterion is suggested to predict crack genesis. Simulations are performed using the in-house built FEM code LAGAMINE. [less ▲]

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See detailMise en recueil et cyclisation des textes de théâtre
Henrard, Nadine ULg

Conference (2016, February 16)

Sur la base de l'examen d'une variété de cas, cette étude s'intéresse à la manière dont se regroupent les textes de théâtre dans la tradition : rassemblement au sein des manuscrits, collections de textes ... [more ▼]

Sur la base de l'examen d'une variété de cas, cette étude s'intéresse à la manière dont se regroupent les textes de théâtre dans la tradition : rassemblement au sein des manuscrits, collections de textes, cyclisation. Les exemples s'étalent de la fin XIe au XVIe s.; ils sont puisés à des corpus variés (latin, langue d'oc ou d'oïl; théâtre religieux et théâtre profane). [less ▲]

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See detailCycle, cercle, compilation. Introduction
Henrard, Nadine ULg

Conference (2016, February 16)

Introduction à la journée "Cycle, cercle, compilation", s'intéressant à la constitution d'ensembles d'hommes (cercles littéraires) ou de textes (compilations, cycles) au Moyen Âge. Les questionnements ... [more ▼]

Introduction à la journée "Cycle, cercle, compilation", s'intéressant à la constitution d'ensembles d'hommes (cercles littéraires) ou de textes (compilations, cycles) au Moyen Âge. Les questionnements soulevés par cette journée touchent ainsi à tous les stades de la chaîne du texte, de l’écriture à la réception et nécessitent de conjuguer axes synchronique et diachronique, données codicologiques et littéraires, historiques et aussi sociologiques. Ils invitent à interroger la part du hasard et de l’intention qui joue dans le rassemblement des œuvres et montrent, si besoin en était encore, qu’il est indispensable d’inscrire le fait littéraire dans une dynamique globale, en rappelant que les œuvres ne sont que des pièces imbriquées dans divers systèmes avec lesquels elles entrent en dialogue. [less ▲]

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See detailLa littérature panoramique par ses éditeurs
Stienon, Valérie ULg

Conference (2016, February 13)

Phénomène de société et de mode, la littérature panoramique identifiée rétrospectivement par Walter Benjamin constitue surtout une entreprise éditoriale majeure. Elle mobilise un grand nombre d’acteurs ... [more ▼]

Phénomène de société et de mode, la littérature panoramique identifiée rétrospectivement par Walter Benjamin constitue surtout une entreprise éditoriale majeure. Elle mobilise un grand nombre d’acteurs (libraires, illustrateurs, graveurs, imprimeurs) à l’échelle européenne et prépare de nouveaux statuts pour la fonction même d’éditeur, qui voit naître un discours spécifique à son propos, dans une époque qui précède de peu sa professionnalisation et dans un contexte de circulation médiatique accrue de l’imprimé sous ses formes les plus variées. La communication se centrera sur deux éditeurs panoramiques français importants, Curmer et Aubert, pour mettre en évidence la nature de leurs projets, l’originalité de leurs méthodes et l’identité de leurs personnels. On reviendra sur le rôle de passeur culturel du premier et de rassembleur d’une équipe d’artistes du second, deux caractéristiques à l’origine du rayonnement de la littérature panoramique. On examinera aussi les particularités de certaines de leurs productions, entre texte et image, journal et livre, ouvrage de collection et fascicule éphémère, jouant sur les matériaux et les circuits de diffusion. [less ▲]

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See detailThe secret life of a Mediterranean seagrass litter macrofauna community : a history of oxygen
Remy, François ULg; Michel, Loïc ULg; Sturaro, Nicolas ULg et al

Conference (2016, February 12)

Most of the foliar primary production of Posidonia oceanica, a major Mediterranean seagrass, sheds in autumn and is exported from the meadow to adjacent areas to form "Exported Macrophytodetritus ... [more ▼]

Most of the foliar primary production of Posidonia oceanica, a major Mediterranean seagrass, sheds in autumn and is exported from the meadow to adjacent areas to form "Exported Macrophytodetritus Accumulations", EMAs. These EMAs are a habitat, shelter and feeding place for an abundant and diverse community of macrofauna. Being very dynamic places and potentially playing a role of transition compartment between water column and sediment, EMAs present high variability in term of physicochemical conditions and more specifically in term of oxygen concentration. Mild to severe hypoxic periods (2 - 0.01 mL O2.L-1) can be observed in situ at different moments of the year, and this variability thus potentially play a structuring role on the macrofauna community. During this study, our main specific questions were (1) Does oxygen stratification occur inside EMAs? (2) If present, how long does it take to observe this stratification? (3) Is the macrofauna impacted and do the dominant species occupy defined positions inside the different micro-habitats? To assess the importance of this impact, an experimental study was conducted in October 2014 near the STARESO oceanographic station (Calvi, Corsica) using an original "layer-sampling" design. The experimental construction was put underwater inside an EMA for 48 hours at a depth of 8m. Samples were collected (N=8) in a 20cm thick EMA using "sealed" boxes to sample every 5cm, from the sediment, to the water column. Oxygen, nutrients and of course the litter itself (containing the macrofauna) were sampled carefully to make sure no exchange occurred between the 4 different layers. After data analysis, the assessment was clear: oxygen stratification occurred in less than 48h and oxygen level inside the layer close to the sediment experienced a fast decrease below the hypoxia threshold (2 mL O2.L-1). Diversity was highly impacted, showing a clear positive link with oxygen concentration. Macrofauna also appeared to follow this oxygen stratification but this response was very species specific. Some species didn't follow oxygen and are present in every layer and most of them were strongly positively linked to oxygen concentration. But a few (Nebalia strausi and Athanas nitescens) were strongly negatively linked to oxygen concentration and were present only in the more hypoxic layers. This experimentation thus confirmed our in situ observations. Oxygen stratification occurred quickly (< 48h) when EMAs were experiencing calm weather. This stratification observed from the water column to the sediment was very marked. Diversity and abundance of most abundant macrofauna species were drastically influenced by this stratification, showing the importance of these micro-habitats in structuring of this macrofauna community. [less ▲]

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See detailDroit international et pacifisme en Belgique de 1870 à 1940 : une cohabitation complexe
Genin, Vincent ULg

Conference (2016, February 12)

Detailed reference viewed: 25 (2 ULg)
Peer Reviewed
See detailBiologie, sociologie, philosophie. Le fait moral entre Durkheim et Bergson
Caeymaex, Florence ULg

Conference (2016, February 12)

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See detailThe sanctuary of Despoina at Lykosoura: a Megalopolitan creation?
Palamidis, Alaya ULg

Conference (2016, February 11)

Pausanias states that the most important Parrhasian sanctuaries were duplicated in Megalopolis in the aftermath of its creation in the 4th century B.C. A noteworthy exception is the sanctuary of Despoina ... [more ▼]

Pausanias states that the most important Parrhasian sanctuaries were duplicated in Megalopolis in the aftermath of its creation in the 4th century B.C. A noteworthy exception is the sanctuary of Despoina at Lykosoura, which was very ancient according to the author. However, the absence of epigraphical or literary evidence concerning Lykosoura and predating the synoecism and the very limited archaeological material dating to the Archaic and Classical periods suggest that it was the site of a minor cult before the synoecism. The presence of Despoina is not attested before, and it is possible that the cult of the goddess was only developed by Megalopolis, which associated to it several other Arcadian deities and gave it an ancient and local flavour, in order to assert its position as the new cult-centre of Arcadia. Similarly, the sanctuary of Demeter Eleusinia at Basilis may have only been created or developed by Megalopolis, despite its alleged antiquity. This phenomenon finds its closest parallel in the sanctuary of Andania, controlled by the city of Messene. The presence of Demeter and deities associated with her in these sanctuaries, as well as the existence of mysteries, may reflect the growing influence of the sanctuary of Eleusis during the Hellenistic period. [less ▲]

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See detailPrésentation du programme de la conférence mondiale des humanités (Liège, août 2017)
Winand, Jean ULg

Conference (2016, February 11)

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See detailLocal thermal history during the laser additive manufacturing of steel
Mertens, Anne ULg; Hashemi, Seyedeh Neda ULg; Tchuindjang, Jérôme Tchoufack ULg et al

Conference (2016, February 09)

Laser additive manufacturing techniques – such as laser cladding − were developed in the late 1990s as economic layer-by-layer near-net-shape processes allowing for the production or restoration of ... [more ▼]

Laser additive manufacturing techniques – such as laser cladding − were developed in the late 1990s as economic layer-by-layer near-net-shape processes allowing for the production or restoration of complex metallic parts. These techniques are characterised by ultra-fast solidification and cooling rates, thus giving rise to ultra-fine out-of-equilibrium microstructures with potentially enhanced mechanical properties. However, the general quality of a component, as well as its dimensional accuracy, microstructure and final usage properties are strongly influenced by the local thermal history experienced during fabrication. As a consequence, a deeper understanding of the influence of the various processing parameters on the local thermal history during fabrication is of paramount importance, and it can only be reached by combining detailed experimental studies and modeling. Keeping this in mind, the present paper reviews on-going investigations carried out in the Metallic Materials Science Unit of the University of Liege in the laser additive manufacturing of HSS and of stainless steel 316L. [less ▲]

Detailed reference viewed: 99 (18 ULg)