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See detail4th Doctoral Seminar on Sustainability Research in the Built Environment Book of Abstracts
Attia, Shady ULg; Teller, Jacques ULg; Mahy, Grégory ULg

Book published by SBD Lab (2017)

The DS2BE is a joint initiative of research groups working on sustainability issues at 8 Belgian universities: ULBruxelles, VUBrussel, KULeuven, UCLouvain, ULiège, UHasselt, UAntwerpen and UGent ... [more ▼]

The DS2BE is a joint initiative of research groups working on sustainability issues at 8 Belgian universities: ULBruxelles, VUBrussel, KULeuven, UCLouvain, ULiège, UHasselt, UAntwerpen and UGent. Conceived as a platform for PhD researchers whose work engages the built environment at different scales in the framework of sustainability, these seminars provide an excellent opportunity for the doctoral students of the partner institutions to present their ongoing research. They will get feedback from a broad panel of sustainability experts, including invited specialists and peers, for furthering their research. PhD candidates can provide submissions that concern topics, such as: - Sustainable Architecture and Resources, materials, re-cycling /re-use, building elements and envelope, building physics, building construction technology, building renovation, drawing lessons from vernacular, bioclimatic design, regenerative design, biomimetic and integrated design, …, - Sustainability theory, sustainability / environmental assessment at building and neighborhood scales, and at the scale of city and regions, - Sustainable urbanism, urban form, landscape and urban ecology, urban green infrastructure and ecosystem services, public space, density, urban infrastructure & transportation, water urbanism, retrofitting of buildings to the built environment, - Methodologically oriented PhDs focusing on issues related to LCA (Life Cycle Analysis), I-O (Input-Output Analysis), MFA (Material Flow Analysis), simulation techniques, to exploring urban metabolism, industrial ecology, environmental modelling, GIS-based land-use change modelling, to Research by Design. [less ▲]

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See detailConstitutus = καϑεστώς : un hellénisme de la langue juridique ?
Rochette, Bruno ULg

Conference (2017, April 26)

Le participe parfait constitutus (ainsi que positus) a été vu comme une sorte de substitut destiné à pallier l’absence en latin de participe présent du verbe être (*ens, entis). Plusieurs auteurs ont ... [more ▼]

Le participe parfait constitutus (ainsi que positus) a été vu comme une sorte de substitut destiné à pallier l’absence en latin de participe présent du verbe être (*ens, entis). Plusieurs auteurs ont considéré cet emploi comme un hellénisme propre à la langue juridique en soulignant que, dans les Novellae de Justinien, constitutus est une traduction du grec καϑεστώς, qui a un sens actif. On en a déduit qu’il pourrait s’agir d’une particularité de la langue des juristes qui apparaît pour la première fois chez Julianus [4], Scaevola [6], Papinien [5] et Ulpien [8]. Cet emploi, qui ne semble pas antérieur à Sénèque [7], n’est toutefois pas spécifique aux juristes. On le rencontre dans le latin de l’Empire, spécialement chez des auteurs africains chrétiens et païens, comme Apulée [2] et Cyprien de Carthage [3], et surtout dans la langue tardive (Ammien Marcellin [1]). Cet usage pose la question de la spécificité de la langue des juristes et de l’influence éventuelle du grec sur cette langue technique. Une étude plus systématique des prétendus hellénismes chez le juriste Gaius, peut-être d’origine orientale, montre que l’influence du grec sur son latin, si elle a existé, est assez réduite. Un grand nombre de particularités qui ont été considérées comme des hellénismes sont en réalité des spécificités du latin tardif et connaissent des parallèles chez des auteurs comme Apulée, Tertullien, Augustin, Ammien Marcellin. J’étudie ici les emplois de constitutus comme prétendu substitut du participe présent de esse dans un corpus assez large de textes : Arnobe, Firmicus Maternus, Lactance, Hilaire, Lucifer, Ambroise, Jérôme, Sulpice Sévère, Cassien, Orose… jusqu’à Cassiodore. On trouve aussi cette tournure assez souvent dans la Vulgate. Pour expliquer cette spécificité, l’influence du grec n’est pas une donnée nécessaire. Il s’agit essentiellement, comme d’autres phénomènes, d’une évolution du latin, qui a sans doute éprouvé le besoin de combler la lacune de l’absence du participe présent du verbe « être », ce qui arrivera au Moyen Âge avec la création de *ens, entis, déjà proposé par Jules César. Exemples [1] Ammien Marcellin, XX, 3, 12 : eodem adhuc constituto [2] Apulée, Mét., IV, 11 : Tunc nos in ancipiti periculo constituti uel op primendi nostri uel deserendi socii remedium e re nata ualidum eo uolente comminiscimus. [3] Cyprien, Ep., 1, 1 : in clerico ministerio constituti [4] Julianus Dig. 24, 2, 6 : in captiuitate constitutus [5] Papinien Dig. 35, 1, 77, 3 : impubere filia constituta [6] Scaevola Dig. 4, 4, 39, 1 : curatoribus eius idoneis constitutis [7] Sénèque, NQ, III, 10, 3 : natura partes suas velut in ponderribus constitutas exanimat [8] Ulpien Dig. 3, 5, 19 : Ulpianus libro decimo ad edictum. sin autem apud hostes constitutus decessit, et successori et aduersus successorem eius negotiorum gestorum directa et contraria competit. Bibliographie GARCEA A., Caesar’s De analogia. Edition, Translation, and Commentary, Oxford, 2012. KALB W., Das Juristenlatein. Versuch einer Charakteristik auf Grundlage der Digesten, Nürnberg 1888 [Aalen 1961] --, Roms Juristen nach ihrer Sprache dargestellt, Leipzig 1890 [Aalen 1975]. LÖFSTEDT E., Zur Frage der Gräzismen, dans Syntactica. Studien und Beiträge zur historischen Syntax des Lateins II, Lund 1933, 406-457 NELSON H.L.W., Überlieferung, Aufbau und Stil von Gai Institutiones (Studia Gaiana, 6), Leiden 1981, ROSÉN H.-D. SHLEV, QUASI: Its Grecizing [?] syntactic patterns, Colloque de Linguistique latine de Toulouse (sous presse). SCHRIJNEN J.-CHR. MOHRMANN, Studien zur Sprache der Briefe des hl. Cyprian, 2 vol., Nijmegen 1934 [less ▲]

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See detailInterviews on Residential Building Stock Deep Renovation in Belgium
Ruellan, Guirec ULg

Poster (2017, April 26)

Belgium should increase the deep renovation rate of existing residential building stock at least to 3% a year to achieve the EU objectives of decreasing by 80% the Green House Gas Emissions before 2050 ... [more ▼]

Belgium should increase the deep renovation rate of existing residential building stock at least to 3% a year to achieve the EU objectives of decreasing by 80% the Green House Gas Emissions before 2050. Since the first thermal legislations (between 1985 and 2000, depending on the Region), efficiency and comfort of newly built houses have met higher standards. But the renovation rate of residential buildings remained stable in the last 20 years. Only 25000 renovation permits are issued each year, in which a small amount of them are highly energy efficient. Literature review has showed that drivers and barriers of deep renovation are many and varied, sometimes contradictory and often underestimated. Conducted interviews with experts who study different facet of renovation present some others viewpoints on this subject. According to their own specific experience, each interviewee thinks differently on possible solutions. The poster set out the interview analysis. Some points are very close to the literature review, such as the environmental and economic issues of the residential renovation, while other results are solely extracted based on the interviews’ results. Amongst others, the necessity to maintain and improve the existing building stock to new standards takes an important place. The regulation appears to be a good driver as much as a barrier, depending on the local legislations and buildings context particularly in Belgium where the diversity of the building stock is very important. Public policies seem to be the first tools to unlock the renovation rate even if the development of new financial model and the information of stakeholders are also highlighted. This analysis increases the comprehension of the renovation topic on a new level, including some adjacent ideas that lead to better understanding of the existing barriers and possible strategies to overtake them, so that to involve everyone in the renovation strategy definition to promote the most efficient one. [less ▲]

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See detailDiabetes and the kidney disease risk
Krzesinski, Jean-Marie ULg

Conference (2017, April 26)

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See detailA method for encoding Egyptian quadrats in Unicode
Glass, Andrew; Hafemann, Ingelore; Nederhof, Mark-Jan et al

Computer development (2017)

The proposal to encode three control characters for Egyptian Hieroglyphs was accepted at the February 2016 UTC meeting. Following that acceptance some members of the Egyptological community raised ... [more ▼]

The proposal to encode three control characters for Egyptian Hieroglyphs was accepted at the February 2016 UTC meeting. Following that acceptance some members of the Egyptological community raised concerns that the accepted controls were insufficient for their requirements. This led to a series of discussions and document submissions between specialists and implementers that explored the issues relating to encoding the quadrat structures that are an inherent feature of Egyptian Hieroglyphic writing. The present document combines expert input on Egyptian Hieroglyphs and a detailed exploration of possible solutions. It does not attempt to summarize or repeat arguments and details from earlier documents. Cross-references to earlier submissions are provided where appropriate. The result is a draft proposal for a system of controls that will enable plain text encoding of Egyptian Hieroglyphs in quadrats. [less ▲]

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See detailShape-memory polymers: principles and applications
Defize, Thomas ULg

Scientific conference (2017, April 26)

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See detailPressure flaking to serrate bifacial points for the hunt during the MIS5 at Sibudu Cave (South Africa)
Rots, Veerle ULg; Lentfer, Carol ULg; Schmid, Viola C. et al

in PLoS ONE (2017), 12(4), 0175151

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See detailLe financement des cultes selon Gwendolyn Rutten
Husson, Jean-François ULg

Article for general public (2017)

Analysis of the proposal from the chairwoman of the Flemish liberal party aiming at suppressing public finance for churches and philosophical organisations.

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See detailUtilisation du D-galactose et du D-tagatose chez Bacillus sp.: Etude des protéines GalM et PBP4a de B. subtilis et B. amyloliquefaciens et Etude de la voie catabolique PTS-dépendante du D-tagatose chez B. licheniformis.
Van der Heiden, Edwige ULg

Doctoral thesis (2017)

Cette thèse s’intéresse à la métabolisation de deux sources de carbones, le galactose et le tagatose, dans des souches du genre Bacillus. La première partie de la thèse vise à montrer le rôle de GalM, une ... [more ▼]

Cette thèse s’intéresse à la métabolisation de deux sources de carbones, le galactose et le tagatose, dans des souches du genre Bacillus. La première partie de la thèse vise à montrer le rôle de GalM, une galactose mutarotase, dans la métabolisation du galactose chez B. subtilis ATCC 21332 et B. amyloliquefaciens FZB42. Le gène galM est organisé en opéron avec le gène dacC qui code pour un PBP de faible poids moléculaire, le PBP4a. Des mutants ponctuels et de délétion ont été générés dans le but d’étudier l’implication des produits de cet opéron dans la formation de biofilms in vitro, dans le remodelage de la paroi bactérienne et dans la colonisation de racines de plantes (plants de tomate et Arabidopsis thaliana). Une différence significative de colonisation a été mise en évidence entre la souche sauvage de B. amyloliquefaciens FZB42 et son double mutant uniquement sur les racines de plants de tomate. Toutefois, il pourrait s’agir d’un effet indirect lié à la méthode. Après analyse des muropeptides composant le peptidoglycane isolé en phase végétative, aucun rôle in vivo n’a pu être attribué au PBP4a. Cependant, l’attachement de cette protéine à la membrane de la bactérie a pu être mis en évidence. Une couronne de charges positives en surface du domaine II du PBP4a est responsable de cette localisation. La seconde partie de la thèse présente la voie de métabolisation du tagatose découverte chez B. licheniformis. Cette source de carbone est transportée et phosphorylée par les composants du système phosphotransférase (PTS) : EIIAT AG (TagM) et EIIBCT AG (TagL). La fonctionnalité du cluster de gènes identifié dans le génome de la bactérie a été démontrée par des expériences de supplémentation dans deux souches initialement incapables de métaboliser cette source de carbone : B. subtilis et E. coli. Le tagatose est phosphorylé durant son transport au niveau du carbone C1. Le tagatose-1-phosphate, présent principalement sous la forme -pyranose, est ensuite phosphorylé par l’enzyme TagK, une tagatose-1-phosphate kinase. Les paramètres cinétiques de l’enzyme ont été déterminés et la spécificité en faveur du tagatose-1-phosphate a été démontrée. Le tagatose 1,6-bisphosphate généré par TagK est hydrolysé en DHAP et G3P par GatY, une tagatose 1,6-bisphosphate aldolase de classe II. [less ▲]

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See detailSize and shape variations of the bony components of sperm whale cochleae
Schnitzler, Joseph ULg; Frederich, Bruno ULg; Früchtnicht, Sven et al

in Scientific Reports (2017), 7

Several mass strandings of sperm whales occurred in the North Sea during January and February 2016. Twelve animals were necropsied and sampled around 48h after their discovery on German coasts of ... [more ▼]

Several mass strandings of sperm whales occurred in the North Sea during January and February 2016. Twelve animals were necropsied and sampled around 48h after their discovery on German coasts of Schleswig Holstein. The present study aims to explore the morphological variation of the primary sensory organ of sperm whales, the left and right auditory system, using high-resolution computerised tomography imaging. We performed a quantitative analysis of size and shape of cochleae using landmark-based geometric morphometrics to reveal inter-individual anatomical variations. A hierarchical cluster analysis based on thirty-one external morphometric characters classified these 12 individuals in two stranding clusters. A relative amount of shape variation could be attributable to geographical differences among stranding locations and clusters. Our geometric data allowed the discrimination of distinct bachelor schools among sperm whales that stranded on German coasts. We argue that the cochleae are individually shaped, varying greatly in dimensions and that the intra-specific variation observed in the morphology of the cochleae may partially reflect their affiliation to their bachelor school. There are increasing concerns about the impact of noise on cetaceans and describing the auditory periphery of odontocetes is a key conservation issue to further assess the effect of noise pollution. [less ▲]

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See detailDes activités pour nos aînés? Oui! Mais pas n’importe lesquelles!
Missotten, Pierre ULg; Clesse, Audrey ULg

Conference given outside the academic context (2017)

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See detailOn a conjecture about regularity and l-abelian complexity
Vandomme, Elise ULg

Conference (2017, April 25)

A natural generalization of automatic sequences over an infinite alphabet is given by the notion of k-regular sequences, introduced by Allouche and Shallit in 1992. The k-regularity of a sequence provides ... [more ▼]

A natural generalization of automatic sequences over an infinite alphabet is given by the notion of k-regular sequences, introduced by Allouche and Shallit in 1992. The k-regularity of a sequence provides us with structural information about how the different terms are related to each other. We show that a sequence satisfying a certain symmetry property is 2-regular. We apply this theorem to develop a general approach for studying the l-abelian complexity of 2-automatic sequences. In particular, we prove that the period-doubling word and the Thue–Morse word have 2-abelian complexity sequences that are 2-regular. The computation and arguments leading to these results fit into a quite general scheme that can be used to obtain additional regularity results. This supports the conjecture that the l-abelian complexity of a $k$-automatic sequence is a k-regular sequence. [less ▲]

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See detailWhat are the HRS4R benefits/impact for the institutions and researchers?
Halleux, Isabelle ULg

Scientific conference (2017, April 25)

This presentation aims to share the experience of the University of Liege that was awared the "HR excellence in research" logo by the EU in 2011. This lead the institution to develop an action plan for ... [more ▼]

This presentation aims to share the experience of the University of Liege that was awared the "HR excellence in research" logo by the EU in 2011. This lead the institution to develop an action plan for enhancing the working conditions of the researchers, to open positions to foreign researchers and to offer them training as services for their career development. [less ▲]

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See detailDetermining fine population structure using iterative pruning
Chaichoompu, Kridsadakorn ULg; Yazew, Fentaw Abegaz; Tongsima, Sissades et al

Poster (2017, April 25)

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See detailMultiple Semantic Priming and Latin Sequential Collocations : when Text Linguistics and Language Learning meet Cognitive Psychology
Lavigne, Frederic; Longrée, Dominique ULg; Mellet, Sylvie

Conference (2017, April 25)

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See detailThe prosumers and the grid
Gautier, Axel ULg

Scientific conference (2017, April 25)

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