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See detailEtre rationaliste en 1992, est-ce bien raisonnable
Jacquemain, Marc ULg

Article for general public (1992)

Dans le cadre d'un numéro spécial du Bulletin de la Fondation André Renard, l'article fait le point, notamment à partir des réflexion de Simon et d'Elster, sur les lmites intrinsèques de la rationalité ... [more ▼]

Dans le cadre d'un numéro spécial du Bulletin de la Fondation André Renard, l'article fait le point, notamment à partir des réflexion de Simon et d'Elster, sur les lmites intrinsèques de la rationalité humaine et "l'irrationalité" qu'il y a à vouloir les dépasser. Il propose aussi une série d'explications plus circonstancielles sur les raisons du renouveau de l'irrationnel dans la pensée européenne. [less ▲]

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See detailEtre scribe ou la transmission du savoir
Winand, Jean ULg

Conference (2004, March 20)

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See detailÊtre thésard et enseignant
Grandjean, Geoffrey ULg

Scientific conference (2011, February 16)

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See detailEtre, ou ne pas être... émotionnel
Delcourt, Cécile ULg

Article for general public (2009)

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See detailÊtre, puissance, communication. La "dunamis" dans le "Sophiste"
Gavray, Marc-Antoine ULg

in Philosophie Antique : Problèmes, Renaissances, Usages (2006), 6

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See detailL’Étrenne des Lumières. Trente ans de prédictions dans l’Almanach de Liège
Droixhe, Daniel ULg

in Lüsebrink, H.-J.; Mix, Y.-G.; Mollier, J.-Y. (Eds.) et al Les lectures du peuple en Europe et dans les Amériques (XVIIe au XXe siècle) (2003)

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See detailLes êtres dangereux par état
Thiry, Fernand ULg

Speech (1909)

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See detailEts-dependent regulation of target gene expression during megakaryopoiesis
Jackers, Pascale ULg; Szalai, Gabor; Moussa, Omar et al

in Journal of Biological Chemistry (2004), 279(50), 52183-52190

Megakaryopoiesis is the process by which hematopoietic stem cells in the bone marrow differentiate into mature megakaryocytes. The expression of megakaryocytic genes during megakaryopoiesis is controlled ... [more ▼]

Megakaryopoiesis is the process by which hematopoietic stem cells in the bone marrow differentiate into mature megakaryocytes. The expression of megakaryocytic genes during megakaryopoiesis is controlled by specific transcription factors. Fli-1 and GATA-1 transcription factors are required for development of megakaryocytes and promoter analysis has defined in vitro functional binding sites for these factors in several megakaryocytic genes, including GPIIb, GPIX, and C-MPL. Herein, we utilize chromatin immunoprecipitation to examine the presence of Ets-1, Fli-1, and GATA-1 on these promoters in vivo. Fli-1 and Ets-1 occupy the promoters of GPIIb, GPIX, and C-MPL genes in both Meg-01 and CMK11-5 cells. Whereas GPIIb is expressed in both Meg-01 and CMK11-5 cells, GPIX and C-MPL are only expressed in the more differentiated CMK11-5 cells. Thus, in vivo occupancy by an Ets factor is not sufficient to promote transcription of some megakaryocytic genes. GATA-1 and Fli-1 are both expressed in CMK11-5 cells and co-occupy the GPIX and C-MPL promoters. Transcription of all three megakaryocytic genes is correlated with the presence of acetylated histone H3 and phosphorylated RNA polymerase II on their promoters. We also show that exogenous expression of GATA-1 in Meg-01 cells leads to the expression of endogenous c-mpl and gpIX mRNA. Whereas GPIIb, GPIX, and C-MPL are direct target genes for Fli-1, both Fli-1 and GATA-1 are required for formation of an active transcriptional complex on the C-MPL and GPIX promoters in vivo. In contrast, GPIIb expression appears to be independent of GATA-1 in Meg-01 cells. [less ▲]

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See detailEtude historique et archéologique du château de Franchimont à Theux
Hoffsummer, Patrick ULg

Master's dissertation (1980)

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See detailEtude ab-initio d’oxydes antiferroélectriques de structure pérovskite
Amisi, Safari ULg

Doctoral thesis (2013)

In this thesis we present an original ab-initio study of the evolution of antiferrodistortive (AFD), anti-polar electric (APE), and ferroelectric (FE) instabilities in various ABO3 oxides of perovskite ... [more ▼]

In this thesis we present an original ab-initio study of the evolution of antiferrodistortive (AFD), anti-polar electric (APE), and ferroelectric (FE) instabilities in various ABO3 oxides of perovskite structure, as well as their structural and dynamic properties. The main goal is to understand better the microscopic origin of the antiferroelectricity exhibited in these compounds. Three prototypical compounds are studied in detail : PbZrO3 , NaNbO3 , and SrZrO3. After a general introduction on ABO3 compounds, and the ab-initio techniques, we review the concept of antiferroelectricity in perovskites, highlighting some ambiguities in the usual definition and the necessity of turning to what we call a modern definition of antiferroelectricity. First, we highlight that it is the rigidity of the oxygen cage that tends to favor the FE distortion compared to the APE instability. Although illustrated on BaTiO3 , this argument is general, and confirmed by the inspection of the phonons dispersion curves of the ABO3 compounds in whom the strongest instability of the FE/APE branch is systematically at Γ. We show that the emergence of a stable or meta-stable APE distortion appear naturally through a coupling with other instabilities. The presence of AFD modes turns out to be a concrete way to create mixed FE/AFD and APE/AFD phases, crucial for the emergence of antiferroelectricity (AFE). This clarifies why the known AFE compounds systematically include AFD distortions. In this context, since the FE, APE and AFD instabilities are usually in competition, the coexistence of FE, APE and AFD instabilities of strong amplitudes seems required to create mixed phases combining them. This establishes the context convenient to the development of FE and AFE metastable phases close in energy. Another important element concerns the need of a first order AFE-FE transition under electric field producing a double hysteresis loop, typical of AFE compounds. Here also the AFD modes could play a key-role by allowing the emergence of FE/AFD and APE/AFD phases close in energy and developing distinct tilt patterns. These various elements give a new perspective on AFE and allow us to have a more precise idea of the origin of the AFE behavior in perovskites. We identify some key intrinsic characteristics allowing the prediction of materials with the propensity of developing an AFE behavior. [less ▲]

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See detailL’étude ACCOMPLISH : remise en question des choix médicamenteux chez les patients hypertendus systoliques à haut risque cardio-vasculaire
Krzesinski, Jean-Marie ULg; Scheen, André ULg

in Revue Médicale de Liège (2009), 64(2), 103-108

Arterial hypertension is an important cardiovascular risk factor. The benefit drawn from decreasing and normalizing the blood pressure level is indisputable. The ACCOMPLISH study performed in patients ... [more ▼]

Arterial hypertension is an important cardiovascular risk factor. The benefit drawn from decreasing and normalizing the blood pressure level is indisputable. The ACCOMPLISH study performed in patients older than 65 with systolic hypertension and a high cardiovascular risk pointed out the interest of well choosing the antihypertensive combination to reduce this risk beyond the decrease of blood pressure. The association of benazepril (an angiotensin converting enzyme inhibitor or ACEI) and amlodipine (a calcium antagonist) has shown significant early cardiovascular protection in such patients as compared to the classic association including the same ACEI and hydrochlorothiazide, in spite of the same target blood pressure reached. This important finding does not contest the interest of a well controlled blood pressure in hypertension, but probably will modify our first antihypertensive combination choice in the future in patients with such cardiovascular profile. [less ▲]

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See detailEtude ALLHAT : intérêt
Krzesinski, Jean-Marie ULg

Conference (2003, February 13)

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See detailÉtude analytique de l'agriculture familiale au Burundi : impact des conflits fonciers sur le développement socio-économique des exploitants agricoles de la province de Kirundo
Minani, Bonaventure ULg; Rurema, Déo-Guide; Lebailly, Philippe ULg

in Reyntjens, F.; Vandeginste, S.; Verpoorten, M. (Eds.) L'Afrique des Grands Lacs : Annuaire 2012-2013 (2013)

In Burundi, family farming occupies more than 90% of the active population and plays a vital role in food production and participates in the formation of more than 50% of GDP. Before the civil war of 1993 ... [more ▼]

In Burundi, family farming occupies more than 90% of the active population and plays a vital role in food production and participates in the formation of more than 50% of GDP. Before the civil war of 1993, Kirundo was deemed “breadbasket of the country” because it fed many parts of Burundi in particular food legumes and cereals, so that family farming was market-oriented. Today, this is the first province in Burundi that shows a high rate of malnutrition, poverty increased and a sharp decline in agricultural production up more than 56.6% from 1996 to 2009. The objective of this study is to understand the impact of land conflict on the socio-economic development of farmers in Kirundo Province. To conduct this study, an initial survey was carried out in 2010 among 355 randomly selected farmers in all communes of Kirundo. To understand the scope of land conflicts and its consequences on the socio-economic households, a second survey was conducted among 30 people who came to the High Court of Kirundo. The study was completed by collecting data on the courts of the residential suburbs of Bugabira, Busoni, Gitobe, Kirundo, Ntega and Vumbi communes, and also on the High Court of Kirundo province. Analysis of the results shows that land conflicts in the region have the following consequences: huge losses of agricultural production, substantial legal costs and the imprisonment and killing of people because of land conflicts. [less ▲]

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See detailEtude analytique de la flore et de la végétation du Parc National de la Ruvubu, Burundi.
Masharabu, T; Bigendako, M J; Lejoly, J. et al

in International Journal of Biological and Chemical Sciences (2010), 4(4), 834-856

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See detailEtude analytique des trois trousses de cystatine C et impact sur les formules basées sur la cystatine pour l'estimation du DFG.
Cavalier, Etienne ULg; Péroni, Laurence; Abshoff, Christelle et al

in Néphrologie & Thérapeutique (2008, November), 4(6), 399-400

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See detailÉtude anatomoradiologique d’un crâne déformé d’Ancón (Pérou)
Ricciardetto, Antonio ULg; Boman, Françoise; Duchat, Florent et al

in Charlier, Philippe (Ed.) Actes du Ve Colloque international de Pathographie (in press)

Matériels et méthodes : l’étude porte sur un crâne déformé provenant d’Ancón au Pérou, inventorié au Muséum National d’Histoire Naturelle (MNHN) de Paris en 1889. L’étude est géographique, historique ... [more ▼]

Matériels et méthodes : l’étude porte sur un crâne déformé provenant d’Ancón au Pérou, inventorié au Muséum National d’Histoire Naturelle (MNHN) de Paris en 1889. L’étude est géographique, historique, macroscopique et tomodensitométrique. Résultats : situé sur la côte à 40 km au nord de Lima, la capitale du Pérou, le site d’Ancón est un site archéologique de la période lithique, et un lieu de sépulture depuis l’époque Chavín (1250 à 250 av. J.-Chr.). Dès l’époque Chavín, les peuples du Pérou ancien construisaient des centres cérémoniels dirigés par une élite théocratique, et déformaient le crâne des enfants dès les premiers jours de la vie, à l’aide de moyens de pression variés. La déformation du crâne d’Ancón est une déformation antéro-postérieure oblique, brachycéphale, bilobée et asymétrique, sans trépanation ni déformation dentaire associée. C’est une variante bilobée du type Huaura de déformation crânienne, qui est associé aux régions de Chancay-Ancón et Lima. L’étude tomodensitométrique des variations d’épaisseur de la voûte, avec amincissement en regard des zones de pression, a montré que la déformation était intentionnelle, et caractérisée par une pression fronto-pariéto-temporale bilatérale surtout antérieure et dégressive d’avant en arrière, associée à une pression frontale, occipitale, et sagittale médiane. En l’absence de contexte et de datation, l’ancienneté du crâne étudié ne peut pas être précisée au long d’une période de presque trois millénaires, jusqu’à la domination Inca et l’arrivée des Espagnols (1532). Le crâne pourrait appartenir à l’une ou l’autre des cultures successives du site d’Ancón : Chavín, Baňos de Boza o Miramar, Lima, Wari, et Chancay (1200 à 1470), dont les céramiques représentent la déformation bilobée. Le crâne est probablement celui d’une femme âgée de plus de 45 ans à son décès, de statut social élevé, faisant partie de l’élite magico-religieuse, politique et économique dirigeante. L’étude de l’endocrâne a permis d’observer la déformation des veines superficielles et des lobes du cerveau. Il existe des signes de parodonpathie chronique à un stade avancé. Un abcès d’origine dentaire pourrait avoir été la cause du décès. Conclusions et perspectives : en ce qui concerne la pratique des déformations crâniennes, la région d’Ancón-Chancay et de Lima paraît être remarquable à trois égards : par le grand nombre de crânes déformés, par le grand nombre de crânes bilobés, et par la proportion importante de femmes, dont on peut supposer qu’elles étaient nées de familles nobles, et destinées dès l’enfance à faire partie de l’élite théocratique. La reconstitution 3D de l’épaisseur de la voûte crânienne a permis pour la première fois à notre connaissance de caractériser ce type de déformation, et pourrait permettre de reconstituer l’appareil déformateur. Seule la reprise des exhumations programmées sur le site d’Ancón, dans le cadre d’un projet prospectif pluridisciplinaire, pourrait permettre de mieux préciser la proportion d’individus à crâne déformé, la proportion des crânes bilobés, et le sex ratio, dans chaque contexte historique et socio-culturel de ce type de déformation crânienne intentionnelle ; et, peut-être, de retrouver in situ l’appareil déformateur correspondant. [less ▲]

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See detailEtude approchée des roulements rigides à billes chargé radialement, dans le cas des grandes vitesses
Debongnie, Jean-François ULg

Report (1992)

The classical rolling bearing theory lies on the assumption that the rotational speed is low. The simplest correction for high speeds consists in adding only the centrifugal load. But even in this frame ... [more ▼]

The classical rolling bearing theory lies on the assumption that the rotational speed is low. The simplest correction for high speeds consists in adding only the centrifugal load. But even in this frame, the problem is by far complicated. However, in the case of a radial load, it is possible to develop an approximated formulation which easily leads to realistic results. This elementary theory may be used as a basis of comparison for more evolved theories, which may be useful. [less ▲]

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See detailEtude archéologique et dendrochornologique de la maison du Pléban à Dinant
Hoffsummer, Patrick ULg; Bosson, Anne

in Archaeologia mediaevalis (1992), 15

The "Maison du Pléban" in Dinant is a timber framed house with old parts of the end of the 15th century, modified and enlarged during the 16th and 18th centuries.

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See detailEtude archéologique et dendrochronologique des charpentes de l'église de la Sainte-Vierge à Chaussée-Notre-Dame (Soignies)
Bavay, Gérard; Hoffsummer, Patrick ULg; Maggi, Christophe ULg et al

in Bulletin de la Commission royale des Monuments, Sites et Fouilles (2011), 23

Thanks to archaeological observations on roofs of this church during the restauration and also with the help of dendrochronology, new data were obtained on the evolution of this interesting gothic church ... [more ▼]

Thanks to archaeological observations on roofs of this church during the restauration and also with the help of dendrochronology, new data were obtained on the evolution of this interesting gothic church of the region Hainaut in Belgium [less ▲]

Detailed reference viewed: 41 (9 ULg)