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See detailNorme(s) linguistique(s) et représentations des enseignants. Aperçu du traitement des 'écarts' linguistiques au cours de français
El Karouni, Salima; Collès, Luc; Lucchini, Silvia ULg

in Enjeux : Revue de Formation Continuée et de Didactique du Français (2008), 73

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See detailAn-Naïm, pour une réforme du droit musulman
Carlier, Jean-Yves ULg

in Revue Nouvelle (2008)

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See detailFrancophones et plurilingues : le rapport au français des Belges issus de l’immigration
Lucchini, Silvia ULg; Hambye, Philippe; Forlot, Gilles et al

in Français et Société (2008), 19

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See detailUnderstanding Non-equilibrium Thermodynamics
Lebon, Georgy ULg; Jou, david; Casas-Vazquez, jose

Book (2008)

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See detailA decision problem for ultimately periodic sets in non-standard numeration systems
Charlier, Emilie ULg

Scientific conference (2008, December)

Given a linear numeration system U and a set X (include in N) such that repU(X) is recognized by a (deterministic) finite automaton. Is it decidable whether or not X is ultimately periodic, i.e., whether ... [more ▼]

Given a linear numeration system U and a set X (include in N) such that repU(X) is recognized by a (deterministic) finite automaton. Is it decidable whether or not X is ultimately periodic, i.e., whether or not X is a finite union of arithmetic progressions? Honkala showed that this problem turns out to be decidable for the usual b-ary numeration system (b greater than 2) defined by U_n = bU_{n-1} for n greater than 1 and U_0 = 1. In this work, we give a decision procedure for this problem for a large class of linear numeration systems. [less ▲]

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See detailLe documentaire belge contemporain saisi par la pédagogie de la Shoah: Modus Operandi
Van Cauwenberge, Geneviève ULg

in Témoigner entre Histoire et Mémoire : Revue Pluridisciplinaire de la Fondation Auschwitz (2008), 101

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See detailNeonatal Osteopenia and Bone Mineralization
Rigo, Jacques ULg

in eNeonatal review (2008), 6(4),

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See detailSystèmes d'information de gestion modernes
Schyns, Michael ULg

Scientific conference (2008, December)

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See detailLindane et goudron dans les shampoings: quelle toxicité ?
Theunis, Laetitia ULg

Conference (2008, December)

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See detailAtelier n°1 [A propos des valeurs]
Van Beveren, Julien ULg

in Puzzle (2008), 25

Compte rendu d'un atelier organisé lors de l'Université d'été 2008 du Centre Interfacultaire de Formation des ENseignants (CIFEN) de l'Université de Liège. Y est abordée la question des valeurs à l'école ... [more ▼]

Compte rendu d'un atelier organisé lors de l'Université d'été 2008 du Centre Interfacultaire de Formation des ENseignants (CIFEN) de l'Université de Liège. Y est abordée la question des valeurs à l'école, à travers un exemple spécifique à la discipline scolaire "français". [less ▲]

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See detailArthrose et obésité : Modèles expérimentaux
Gabay, Odile; Hall, David; Berenbaum, Francis et al

in Revue du Rhumatisme (2008), 75(12), 1215-1219

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See detailProduction of alarm pheromone in aphids and perception by ants and natural enemies
Verheggen, François ULg

Doctoral thesis (2008)

Most Aphidinae species produce and use (E)-ß-farnesene (Eßf) as an alarm pheromone. This sesquiterpene is released by individuals under attack by a predator, and nearby aphids exhibit a variety of alarm ... [more ▼]

Most Aphidinae species produce and use (E)-ß-farnesene (Eßf) as an alarm pheromone. This sesquiterpene is released by individuals under attack by a predator, and nearby aphids exhibit a variety of alarm behaviours. This PhD thesis aims to better understand how aphids manage their production and emission of alarm pheromone (Chapter IV). We also wanted, in a second step, to improve our knowledge on the roles that Eßf could play in the relationships that aphids have with their predators (Chapter V) and tending ants (Chapter VI), in order to better pinpoint the problem in this very tough context. The aphid predators have indeed a real advantage to be able to use the odorant cues emitted by their prey, to locate them and to select an adequate oviposition site. Ants establish with certain aphid species mutualistic relationships, which occurrence could be facilitated by the use of aphids’ odours. In Chapter IV, we have highlighted that aphid colonies non subjected to attack by predators release constantly small quantities of Eßf in their headspace, which means that this molecule could have additional roles than just acting as an alarm pheromone. In a second study, we demonstrated that the release of Eßf was not contagious, and therefore that a non stressed aphid receiving the alarm signal does not release additional Eßf. Since the production of alarm pheromone is likely to entail physiological cost, we tested and validated the hypothesis that aphids regulate their Eßf production according to their social environment. In Chapter V, we studied the ability of the hoverfly predator Episyrphus balteatus (Diptera, Syrphidae) to be used as biological control agent against aphids infesting tomato plants (Lycopersicon esculentum). After identifying the odours emitted by aphid infested plants, we have demonstrated that although this Diptera is able to perceive all the odours released by the system, it mainly uses Eßf to select its oviposition site. However, the E. balteatus larvae are not adapted to the architecture of tomato plants. We also showed that the Asian ladybeetle Harmonia axyridis (Coleoptera, Coccinellidae) olfaction was adapted to the perception of Eßf and that this beetle is also attracted by this sesquiterpene. Finally, in Chapter VI, we characterized the benefits accruing to aphid populations that have established mutualistic relationships with Lasius niger (Hymenoptera, Formicidae), and have demonstrated the role of Eßf and honeydew, respectively in locating aphid colonies and in the persistence of the mutualism. [less ▲]

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See detailInvestigation of the fine structure of European populations with applications to disease association studies
heath, sc; gut, ivo; brennan, p et al

in European Journal of Human Genetics (2008), 16

An investigation into fine-scale European population structure was carried out using high-density genetic variation on nearly 6000 individuals originating from across Europe. The individuals were ... [more ▼]

An investigation into fine-scale European population structure was carried out using high-density genetic variation on nearly 6000 individuals originating from across Europe. The individuals were collected as control samples and were genotyped with more than 300 000 SNPs in genome-wide association studies using the Illumina Infinium platform. A major East-West gradient from Russian (Moscow) samples to Spanish samples was identified as the first principal component (PC) of the genetic diversity. The second PC identified a North-South gradient from Norway and Sweden to Romania and Spain. Variation of frequencies at markers in three separate genomic regions, surrounding LCT, HLA and HERC2, were strongly associated with this gradient. The next 18 PCs also accounted for a significant proportion of genetic diversity observed in the sample. We present a method to predict the ethnic origin of samples by comparing the sample genotypes with those from a reference set of samples of known origin. These predictions can be performed using just summary information on the known samples, and individual genotype data are not required. We discuss issues raised by these data and analyses for association studies including the matching of case-only cohorts to appropriate pre-collected control samples for genome-wide association studies. [less ▲]

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See detailElements of neonatal neurology
Battisti, Oreste ULg

Learning material (2008)

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See detailLa pyknocytose infantile : une anemie neonatale mal connue a propos de 5cas.
Limme, Boris ULg; Dresse, Marie-Françoise ULg; Ketelslegers, O. et al

in Archives de Pédiatrie (2008), 15(12), 1765-8

Infantile pyknocytosis (IP) is a rare hematological entity of newborns. It is a form of hemolytic anemia with unusual red cell morphology: the red blood cells are distorted, irregular, and small with many ... [more ▼]

Infantile pyknocytosis (IP) is a rare hematological entity of newborns. It is a form of hemolytic anemia with unusual red cell morphology: the red blood cells are distorted, irregular, and small with many projections. Spontaneous resolution usually occurs by 4-6months of age. OBSERVATION: We describe the clinical features and biological parameters of 5 cases of IP. The first symptoms were always early jaundice, which required phototherapy. Anemia was severe in all babies and red blood cell transfusion was needed. CONCLUSION: IP is a rare cause of neonatal anemia whose diagnosis is based on a careful peripheral blood smear examination. In our study, anemia was severe and required red blood cell transfusion. Ethnic specificity and familial occurrence are reported in our experience. [less ▲]

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