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See detailEquilibrium traffic assignment on large Virtual Networks: Implementation issues and limits for multi-modal freight transport
Jourquin; Limbourg, Sabine ULg

in European Journal of Transport and Infrastructure Research (2006), 6(3), 205-228

Multi-Modal freight models are traditionally built following the well known “four steps model” in which generation, distribution, modal-split and assignment are seen as separated modules. An alternative ... [more ▼]

Multi-Modal freight models are traditionally built following the well known “four steps model” in which generation, distribution, modal-split and assignment are seen as separated modules. An alternative approach, now implemented in some software, is to represent the multi-modal network by means of a “mono-modal” one, in which each particular transport operation (loading or unloading operation, transhipments ...) is represented by a dedicated “virtual link”, that represents a specific operation in the transportation chain. This approach, promoted by several authors, often referenced to as “super networks” or “virtual networks”, is proven to give interesting results, but has the drawback to generate much larger networks than the pure geographic representation of the studied area. It has also some kind of “hidden trap”, linked to transport distances, that will be presented in this paper and that can only be solved using appropriate assignment techniques. This paper presents some results obtained on a large multi-modal network, using different equilibrium assignment algorithms, in order to test their ability to give an appropriate solution to the “distance trap”. It however concludes that the implementation of classical equilibrium assignment techniques leads to solutions that are barely different from the one obtained by a simple all-or-nothing assignment, opening the way to alternative multi-flow solutions. [less ▲]

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See detailNumerical validation of an improved proposal to the Eurocode 3 for lateral-torsional buckling of steel beams subjected to fire
Vila Real, P. M. M.; Lopes, N.; Simoes da Silva, L. et al

in Vila Real, P. M. M. (Ed.) Proceedings of the 4th International workshop Structures in Fire (2006)

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See detailNumerical analysis of the effect of localised fires on composite steel concrete buildings
Franssen, Jean-Marc ULg; Pintea, D.; Dotreppe, Jean-Claude ULg

in Vila Real, P. M. M. (Ed.) Proceedings of the 4th International workshop Structures in Fire (2006)

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See detailPerturbations endocriniennes et polluants environnementaux
Charlier, Corinne ULg

in Revue Médicale de Liège (2006)

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See detailLa résolution des conflits entre actionnaires
Caprasse, Olivier ULg

in Le statut des actionnaires (S.A., S.P.R.L., S.C.) - questions spéciales (2006)

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See detailPhotography as diagnosis of contemporaneity
Dondero, Maria Giulia ULg

in Baetens, Jan; Van Gelder, Hilde (Eds.) Critical Realism in Contemporary Art. Around Allan Sekula’s Photography (2006)

Cet article porte sur l’efficacité politique d’une série photographique qui problématise des questions socioculturelles contemporaines telles l’immigration, l’exploitation et l’éthique du travail. L’image ... [more ▼]

Cet article porte sur l’efficacité politique d’une série photographique qui problématise des questions socioculturelles contemporaines telles l’immigration, l’exploitation et l’éthique du travail. L’image photographique devient une ressource dans les mains des acteurs sociaux et fait fonction de diagnostic des tensions du contemporain. La photographie permet de «reconnaître à travers» (c’est-à-dire « diagnostiquer ») et de formuler des jugements. Le potentiel sémantique du diagnostic engendré par cette série et la force illocutoire des jugements qui y sont inscrits fonctionnent comme une sorte d’« argumentation par images ». L’analyse de cette série photographique, réalisée par le photographe et théoricien Allan Sekula, nous a amené à nous interroger sur la relation entre image, corpus, genres d’afférence et statuts (documentaire et artistique). [less ▲]

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See detail(Micro)-structural comparison between geopolymers, alkali-activated slag cement and Portland cement
Lecomte, I.; Henrist, Catherine ULg; Duyckaerts, Monique ULg et al

in Journal of the European Ceramic Society (2006), 26(16), 3789-3797

Concurrently to research conducted on ordinary Portland cement (PC), new types of binders were developed during the last decades. These are formed by alkali-activation of metakaolin or ground-granulated ... [more ▼]

Concurrently to research conducted on ordinary Portland cement (PC), new types of binders were developed during the last decades. These are formed by alkali-activation of metakaolin or ground-granulated blast furnace slag (GGBFS) and are named, respectively, geopolymers (GP) or alkali-activated slag (AAS). Four different cementitious materials were synthesised: PC, AAS, GP, and a mix GP-AAS and fully compared about their compositions and (micro)-structures. X-ray diffraction has revealed the presence of semi-crystalline C-S-H gel binding phase in PC while AAS, GP and GP-AAS are nearly amorphous. Progressive structural changes have been observed between the different samples by means of infrared spectroscopy, Si-29 and At-27 magic-angle-spinning nuclear magnetic resonance spectroscopy: there is a polymerisation extent of the (alumino)-silicate framework from PC [SiQ(1) and SiQ(2) units] to AAS [SiQ(2) and SiQ(2)(1Al) units] and finally to GP [SiQ(4)(2Al) and SiQ(4)(3Al) units]. Scanning electron microscopy has shown that GP is a homogeneous matrix while the other materials are composites containing GGBFS grains surrounded by a binding matrix. Energy dispersive X-ray EDX analyses (line scans) have shown the absence of formation of any specific phase at the matrix-grains interfaces. (c) 2006 Elsevier Ltd. All rights reserved. [less ▲]

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See detailThermal stresses in glazing systems in buildings
Tofilo, P.; Delichatsios, M.; Nadjai, A. et al

in Vila Real, P. M. M. (Ed.) Proceedings of the 4th International workshop Structures in Fire (2006)

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See detailCancer risk and bariatric surgery
De Roover, Arnaud ULg; Desaive, Claude; Detry, Olivier ULg et al

in Obesity Surgery (2006), 16

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See detailGRB 061006: optical afterglow.
Malesani, D.; Stella, L.; D'Avanzo, P. et al

in GRB Coordinates Network (2006), 5718

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See detailComparative responses to sodium selenite and Sel-Plex® organic selenium supplements in Belgian Blue cows and calves
Guyot, Hugues ULg; Rollin, Frédéric ULg; Andrieu, Sylvie et al

in Nutritional Biotechnology in the Feed and Food Industries (Alltech’s 22nd Annual Symposium) (2006)

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See detailSociologie de la famille. Notes de cours provisoires
Guillaume, Jean-François ULg

Learning material (2006)

Présentation des grands paradigmes théoriques en sociologie de la famille, et des problématiques liés à la constitution du lien conjugal et à l'éducation parentale. Avec, en introduction, un rappel des ... [more ▼]

Présentation des grands paradigmes théoriques en sociologie de la famille, et des problématiques liés à la constitution du lien conjugal et à l'éducation parentale. Avec, en introduction, un rappel des fondements de l'analyse sociologique (destiné aux étudiants n'ayant pas de formation initiale en sociologie). [less ▲]

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See detailPost-ischemic hypothermia reduced IL-18 expression and suppressed microglial activation in the immature brain.
Fukui, On; Kinugasa, Yukiko; Fukuda, Aya et al

in Brain Research (2006), 1121(1), 35-45

Inflammation is an important factor for hypoxia-ischemia (HI) brain injury. Interleukin (IL)-18 is a proinflammatory cytokine which may be a contributor to injury in the immature brain after HI. To ... [more ▼]

Inflammation is an important factor for hypoxia-ischemia (HI) brain injury. Interleukin (IL)-18 is a proinflammatory cytokine which may be a contributor to injury in the immature brain after HI. To investigate the effects of post-HI hypothermia on IL-18 in the developing brain, 7-day-old rats were subjected to left carotid artery ligation followed by 8% oxygen for 60 min and divided into a hypothermia group (rectal temperature 32 degrees C for 24 h) and a normothermia group (36 degrees C for 24 h). The IL-18 mRNA was analyzed with real-time RT-PCR, and the protein level was analyzed by Western blot, and the location and source of IL-18 were assessed by immunohistochemistry. The significant increase of the IL-18 mRNA was observed in the ipsilateral hemispheres of the normothermia group at 24 h and 72 h after HI compared with controls, but the level in the ipsilateral hemispheres of the hypothermia group was significantly reduced at both time points, compared with the normothermia group, respectively. The IL-18 protein level in the ipsilateral hemispheres of the normothermia group significantly increased at 72 h after HI compared with controls, however, the protein level of the hypothermia group was significantly decreased, compared with the normothermia group. IL-18-positive cells were observed throughout the entire cortex, corpus callosum (CC) and striatum in the ipsilateral hemispheres of normothermia group at 72 h after HI, however, little positive cells were observed in the hypothermia group. Double labeling immunostaining found that most of the IL-18-positive cells were colocalized with lectin, which is a marker of microglia. The number of ameboid microglia (AM) in the normothermia group was significantly increased in cortex and CC, compared with the number in controls, but there were very few ramified microglia (RM) in these areas. In contrast, the number of AM in the hypothermia group was significantly decreased in cortex and CC, compared with the number in the normothermia group, and there were no significant differences in the number of AM and RM between the hypothermia group and controls. In conclusion, we found that IL-18 mRNA and the protein level were attenuated by post-HI hypothermia and that post-HI hypothermia may decrease microglia activation in the developing brain. [less ▲]

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See detailTowards a better use of the rabbit as an experimental model: review and perspectives
Dewree, R.; Drion, Pierre ULg

in Annales de Médecine Vétérinaire (2006), 150(3), 153-162

The rabbit is an essential model in scientific research, particularly in the study of cardiovascular diseases such as hypertension and atherosclerosis and for the investigation of the osteoarticular ... [more ▼]

The rabbit is an essential model in scientific research, particularly in the study of cardiovascular diseases such as hypertension and atherosclerosis and for the investigation of the osteoarticular system. Due to the fact that various factors (environmental, microbial, stress, pain.) can influence data obtained from experiments, special care must be given to housing conditions. Sensory enrichment (olfactive, auditive, visual or tactile stimuli) and physical enrichment (nutritional and social stimuli) allow rabbits to express specific behaviours and reduce stereotypies. This synthesis reminds of the importance of these factors and gives to the researcher some ways to control them. [less ▲]

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See detailEditorial Report 2005
Denoël, Mathieu ULg

in Amphibia-Reptilia (2006), 27(3), 479

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See detailDie Keure van Zeeland
Adam, Renaud ULg

in Bousmanne, Bernard; Thieffry, Sandrine; Wijsman, Hanno (Eds.) Philippe le Beau (1478-1506) : les trésors du dernier duc de Bourgogne : exposition : Bruxelles, Bibliothèque royale de Belqique, Chapelle de Nassau, du 3 novembre 2006 au 27 janvier 2007 : catalogue (2006)

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See detailAc-SDKP: linking cardiac remodelling to haematological malignancies.
Caers, Jo ULg; Vanderkerken, Karin

in Leukemia & Lymphoma (2006), 47(9), 1732-3

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See detailMeasure of phonon-number moments and motional quadratures through infinitesimal-time probing of trapped ions
Bastin, Thierry ULg; von Zanthier, J.; Solano, E.

in Journal of Physics : B Atomic Molecular & Optical Physics (2006), 39

A method for gaining information about the phonon-number moments and the generalized nonlinear and linear quadratures in the motion of trapped ions (in particular, position and momentum) is proposed ... [more ▼]

A method for gaining information about the phonon-number moments and the generalized nonlinear and linear quadratures in the motion of trapped ions (in particular, position and momentum) is proposed, valid inside and outside the Lamb-Dicke regime. It is based on the measurement of first time derivatives of electronic populations, evaluated at the motion-probe interaction time tau = 0. In contrast to other state-reconstruction proposals, based on measuring Rabi oscillations or dispersive interactions, the present scheme can be performed resonantly at infinitesimal short motion-probe interaction times, remaining thus insensitive to decoherence processes. [less ▲]

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See detailLe temps de garde inactif, entre le temps de travail et le temps de repos
Kefer, Fabienne ULg; Clesse, Jacques ULg

in Revue de la Faculté de Droit de l'Université de Liège (2006)

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