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See detailReconstruction of MODIS total suspended matter time series maps by DINEOF and validation with autonomous platform data
Nechad, Bouchra; Alvera Azcarate, Aïda ULg; Ruddick, Kevin et al

in Ocean Dynamics (2011)

In situ measurements of total suspended matter (TSM) over the period 2003–2006, collected with two autonomous platforms from the Centre for Environment, Fisheries and Aquatic Sciences (Cefas) measuring ... [more ▼]

In situ measurements of total suspended matter (TSM) over the period 2003–2006, collected with two autonomous platforms from the Centre for Environment, Fisheries and Aquatic Sciences (Cefas) measuring the optical backscatter (OBS) in the southern North Sea, are used to assess the accuracy of TSM time series extracted from satellite data. Since there are gaps in the remote sensing (RS) data, due mainly to cloud cover, the Data Interpolating Empirical Orthogonal Functions (DINEOF) is used to fill in the TSM time series and build a continuous daily “recoloured” dataset. The RS datasets consist of TSM maps derived from MODIS imagery using the bio-optical model of Nechad et al. (Rem Sens Environ 114: 854–866, 2010). In this study, the DINEOF time series are compared to the in situ OBS measured in moderately to very turbid waters respectively in West Gabbard and Warp Anchorage, in the southern North Sea. The discrepancies between instantaneous RS, DINEOF-filled RS data and Cefas data are analysed in terms of TSM algorithm uncertainties, space–time variability and DINEOF reconstruction uncertainty. [less ▲]

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See detailTVA et droits d'enregistrement sur les ventes de terrains depuis le 1er janvier 2011. La mise en pratique du nouveau régime
Douny, Raphaël ULg; Pace, Xavier ULg

in En quête de fiscalité et autres propos… Mélanges offerts à Jean-Pierre BOURS (2011)

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See detailCompte rendu de Alain SEGUY-DUCLOT, "Dialogue sur le Théétète"
Gavray, Marc-Antoine ULg

in Revue Philosophique de Louvain (2011), (1), 168-170

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See detailThe neural correlates of visual self-recognition
Devue, Christel ULg; Brédart, Serge ULg

in Consciousness and Cognition (2011), 20

This paper presents a review of studies that were aimed at determining which brain regions are recruited during visual self-recognition, with a particular focus on self-face recognition. A complex ... [more ▼]

This paper presents a review of studies that were aimed at determining which brain regions are recruited during visual self-recognition, with a particular focus on self-face recognition. A complex bilateral network, involving frontal, parietal and occipital areas, appears to be associated with self-face recognition, with a particularly high implication of the right hemisphere. Results indicate that it remains difficult to determine which specific cognitive operation is reflected by each recruited brain area, in part due to the variability of used control stimuli and experimental tasks. A synthesis of the interpretations provided by previous studies is presented. The relevance of using self-recognition as an indicator of self-awareness is discussed. We argue that a major aim of future research in the field should be to identify more clearly the cognitive operations induced by the perception of the self-face, and search for dissociations between neural correlates and cognitive components. [less ▲]

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See detailDe la structure au lecteur et du code à la fiction : une brève histoire du "récit d'information"
Servais, Christine ULg

in Quaderni : la Revue de la Communication (2011), 74

Depuis la parution en 1966 de L’analyse structurale du récit, l’usage que fait le discours d’information du récit a donné lieu à un très grand nombre de travaux. Emportée par ce succès, la notion de récit ... [more ▼]

Depuis la parution en 1966 de L’analyse structurale du récit, l’usage que fait le discours d’information du récit a donné lieu à un très grand nombre de travaux. Emportée par ce succès, la notion de récit y subit par ailleurs un fléchissement conceptuel qui peut aller jusqu’à désigner la « super forme » implicite à laquelle les médias de masse renverraient nécessairement lorsqu’ils relaient événements ou informations. Un important ensemble de recherches ( inspirées des théories littéraires, notamment la narratologie, des recherches sur le récit « postmoderne » ou, plus récemment, du travail de Paul Ricoeur ou Michel de Certeau sur les liens entre récit et vie quotidienne), ont fait évoluer la manière dont la catégorie « récit » est susceptible de questionner le discours d’information. Cet article propose une lecture épistémologique de cette évolution, et rend compte des conditions d’émergence des enjeux actuellement questionnés dans l’étude des récits d’information. Il montre comment se sont imposées les questions liant récit, mythe et histoire collective puis, plus récemment, récit et fiction, et expose les raisons pour lesquelles, aujourd’hui, ces questions sont déportées vers une approche plus pragmatique, centrée sur la narration en tant qu’elle est un processus de médiation. L’ensemble de ces réflexions impose de clarifier une situation notionnelle parfois confuse ; l’article propose ainsi de réarticuler ensemble récit et narration en leur adjoignant la notion de récitation. [less ▲]

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See detailPreparation of Spherical Submicronic Barium Zirconate particles in Highly Basic Solution below 100°C
Boschini, Frédéric ULg; Cloots, Rudi ULg; Vertruyen, Bénédicte ULg

in IOP Conference Series: Materials Science and Engineering (2011)

In this study, a new method has been developed to produce pure crystalline BaZrO3 powders from Ba+Zr solution or weakly soluble reactants by using precipitation route in highly basic aqueous solution. The ... [more ▼]

In this study, a new method has been developed to produce pure crystalline BaZrO3 powders from Ba+Zr solution or weakly soluble reactants by using precipitation route in highly basic aqueous solution. The influence of several synthesis parameters is studied. At high OH- concentration ([NaOH] = 20 mol/l), it is possible to obtain the well-crystallized stoichiometric perovskite phase at relatively low temperature (~80°C), after a short reaction time (15 minutes) and without requiring any precaution to avoid the presence of CO2. This synthesis method yields spherical particles, whose size can be controlled by changing the concentration of the Ba+Zr solution. No calcination treatment is necessary since the precipitate is crystalline. Suitable choice of the synthesis parameters ([NaOH] = 20 mol/l, [Ba+Zr] = 1 mol/l, reaction time = 15 minutes) yields a sub-micron precipitate. [less ▲]

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See detailPancreas preservation for pancreas and islet transplantation: a minireview
SQUIFFLET, Jean-Paul ULg; LeDinh, Hieu; DE ROOVER, Arnaud ULg et al

in Transplantation Proceedings (2011), 43

Pancreas preservation by cold storage using University of Wisconsin solution was the <br />mainstay method used for pancreas transplantation during the past 2 decades. Other <br />solutions, such as HTK ... [more ▼]

Pancreas preservation by cold storage using University of Wisconsin solution was the <br />mainstay method used for pancreas transplantation during the past 2 decades. Other <br />solutions, such as HTK, Celsior, and SCOT 15, could not demonstrate any advantage for <br />short preservation periods. But the advent of clinical islet transplantation and the larger <br />use of controlled non–heart-beating donors have prompted the transplantation community <br />to develop methods for increasing pancreas graft quality while preventing ischemic <br />reperfusion damages. Oxygenation by 1- or 2-layer methods during pancreas preservation, <br />as well as the use of perfluorocarbons, might increase the islet yield. Based on the former <br />methods, there is a renewed interest in machine perfusion and oxygenation in pancreas <br />preservation for pancreas transplantation and islet preparation. [less ▲]

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See detailCouverture de pertes de substance du tibia distal par lambeau pedicule perforant en helice : deux cas cliniques.
Bous, Aurélie ULg; Ronsmans, C.; NIZET, Jean-Luc ULg et al

in Annales de Chirurgie Plastique Esthetique (2011)

Distal lower leg soft tissue defect is frequently a challenge to repair, particularly on the tibial crest. The coverage of this kind of lesion has some limitations because of regional minimal blood supply ... [more ▼]

Distal lower leg soft tissue defect is frequently a challenge to repair, particularly on the tibial crest. The coverage of this kind of lesion has some limitations because of regional minimal blood supply and paucity of local soft-tissue flaps. The perforator pedicled propeller (PPP) method tries to find a new place in lower leg reconstruction in bringing similar tissues at the recipient site and avoiding long and difficult free flap transfer or muscular sacrifice. The authors report on the use of PPP method for a tibial crest exposure after trauma and for a soft tissue defect with osteomyelitis on the tibial crest. [less ▲]

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See detailProfil des vendeurs de viande de chasse et évaluation de la biomasse commercialisée dans les marchés municipaux de Brazzaville, Congo.
Mbete, Roger Albert; Banga-Mboko, Henri; Ngokaka, Christophe et al

in Tropical Conservation Science (2011), 4(2), 203-217

The consumption of wildlife meat is an important source of animal protein for rural and urban population in Congo. A survey on bushmeat trade was undertaken in 21 municipal markets during four weeks, in ... [more ▼]

The consumption of wildlife meat is an important source of animal protein for rural and urban population in Congo. A survey on bushmeat trade was undertaken in 21 municipal markets during four weeks, in Brazzaville. The objective of this study was to define the traders’ profile and to evaluate the quantities of games and meat merchandised on the municipal markets. The study methodology combined two approaches: a quantitative one using a questionnaire as principal tool for collecting data, and a qualitative one associating informal survey methods via individual or group interviews. The results showed that women were the most involved in this trade (52%). Markets trader’s monthly income was estimated at 210,428 (US$420) ± 49,128 (US$98,256) FCFA. On average, the bushmeat traders’ were 39 ± 10 years old and 69% of them attended the two levels of secondary education. During four weeks, 3,711 animal carcasses were recorded on the 21 surveyed markets, representing almost 35,790 kg of biomass. Overall, 35 animal species were identified, including 9 the hunting of which was prohibited. The mammals constituted 93.8% of total number of hunted animals, with three dominant orders as the artiodactyls (49.2%), the rodents (22.6%) and the primates (17.7%), of which the Cephalophus, the Potamochoerus, the Atherurus and the Cercopithecus were the most represented. It was also noticed that trapping, an activity which leads to great losses, becomes very important, followed by be helpful alternatives to meet Congolese demand for bushmeat. For a sustainable management of the Congo’s faunic resources, this study suggests the introduction gun-hunting. The Congo-Ocean Railway and the National Road n°2 were used regularly in the transportation of game, to a 72% level. The district of Niari, Lekoumou, Sangha and Pool were the main sources of supply. At the present time, the meat quantities offered in Brazzaville markets don’t seem to be reduced because hunting areas extend always further, often to the detriment of protected areas. Despite the fact that such business squarely growths and shows evidence of overexploitation, activities promoting game farming and breeding of domestic species, in Brazzaville suburbs, are needed to mitigate the impact of bushmeat trade. [less ▲]

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See detailRés. CE 212.819, Smolcic - 212.989, Vanderlinden - 212.991, Fernandez-Grandjean
Delnoy, Michel ULg

in Aménagement - Environnement (2011), 4

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See detailLeibniz et la question du possible
Bouquiaux, Laurence ULg

in À l'émergence de la modernité : Histoire des idées au XVIIe siècle (2011)

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See detailFertility Preferences and Level of Family Planning in Rwanda : Case of Huye District
Niwemahoro, Celine; Musabanganji, Edouard ULg; Banamwana, Leonidas

in Journal of Emerging Trends in Economics and Management Sciences (JETEMS) (2011), 2(3), 168-174

The eradication of poverty and hunger is the first of the Millennium Development Goals (MDGs) established by the United ations. One of the Rwanda’s commitments is the fulfillment of this goal as indicated ... [more ▼]

The eradication of poverty and hunger is the first of the Millennium Development Goals (MDGs) established by the United ations. One of the Rwanda’s commitments is the fulfillment of this goal as indicated in its own long term Vision 2020 aimed at enabling Rwandans to emerge from under-development and poverty status by achieving economic growth objectives in combination with social indicators objectives. As it has been researched that the major cause of poverty in developing countries is the high rate of their population growth, this paper is aimed at assessing the fertility preferences and the level of family planning in Rwanda as a tool to poverty eradication. The paper also presents some challenges and some other pathways to improve the socioeconomic welfare of Rwandan population. In this paper descriptive methods have been used to present and analyze data and a Pearson Chi square test has been used to study the association between variables. The results shows that the knowledge of contraception is universal (99%) but the use of contraception methods for family planning is still very low (37%). On the average fertility preferences are 3.2 children which are good if realized. The general conclusion that emerges from the study is that in order to reduce poverty, family planning is a must but lot more are to be done. Among other things, a focus on increasing rural income and agriculture output. [less ▲]

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See detailTrou du Renard and ongoing work on the Aurignacian of the far North
Dinnis, Rob; Flas, Damien ULg

Conference (2011)

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See detailPlasma phospholipid long-chain n-3 polyunsaturated fatty acids and body weight change.
Jakobsen, Marianne U.; Dethlefsen, Claus; Due, Karen M. et al

in Obesity facts (2011), 4(4), 312-8

OBJECTIVE: We investigated the association between the proportion of long-chain n-3 polyunsaturated fatty acids (PUFA) in plasma phospholipids from blood samples drawn at enrollment and subsequent change ... [more ▼]

OBJECTIVE: We investigated the association between the proportion of long-chain n-3 polyunsaturated fatty acids (PUFA) in plasma phospholipids from blood samples drawn at enrollment and subsequent change in body weight. Sex, age, and BMI were considered as potential effect modifiers. METHOD: A total of 1,998 women and men participating in the European Prospective Investigation into Cancer and Nutrition (EPIC) were followed for a median of 4.9 years. The associations between the proportion of plasma phospholipid long-chain n-3 PUFA and change in weight were investigated using mixed-effect linear regression. RESULTS: The proportion of long-chain n-3 PUFA was not associated with change in weight. Among all participants, the 1-year weight change was -0.7 g per 1% point higher long-chain n-3 PUFA level (95% confidence interval: -20.7 to 19.3). The results when stratified by sex, age, or BMI groups were not systematically different. CONCLUSION: The results of this study suggest that the proportion of long-chain n-3 PUFA in plasma phospholipids is not associated with subsequent change in body weight within the range of exposure in the general population. [less ▲]

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See detailRelation entre défaillances vitales précédant l'infection acquise aux soins intensifs et gravité de celle-ci
MARECHAL, Hugues; LEDOUX, Didier ULg; NYS, Monique ULg et al

in Réanimation (2011), 20(Suppl 1), 108102

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See detailComparaison empirique des méthodes classiques de détection du fonctionnement différentiel d’items en psychométrie
Magis, David ULg; De Boeck, Paul; Raîche, Gilles

in Raîche, Gilles; Paquette-Côté, Karine; Magis, David (Eds.) Des mécanismes pour assurer la validité de l’interprétation de la mesure en éducation. Tome 1 : la mesure. (2011)

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See detailTomographic measurement of liquid hold up and effective interfacial area distributions in a column packed with high performance structured packings
Aferka, Saïd ULg; Viva, Aurora; Brunazzi, Elisabetta et al

in Chemical Engineering Science (2011), 66

In this paper, we report on the use of a high energy and high resolution X-ray tomograph to visualize and quantify the distribution of liquid hold up and of gas-liquid interfacial area in a 0.1m diameter ... [more ▼]

In this paper, we report on the use of a high energy and high resolution X-ray tomograph to visualize and quantify the distribution of liquid hold up and of gas-liquid interfacial area in a 0.1m diameter column filled with MellapakPlus 752.Y packing elements. A standard air-water system at room temperature and atmospheric pressure was used. Tomographic measurements have been carried out in a large number of packing cross sections situated at different heights between the top and the bottom of the packed column, giving access to the evolution of axial profiles of liquid hold up and of gas-liquid interfacial area as a function of the operating conditions. Gas-liquid interfacial area values were also measured by a chemical method (CO2 absorption from air into a caustic solution). For the first time, a whole set of gas-liquid interfacial area values evaluated from tomographic images are interestingly compared with values measured by a chemical method. A comparison is also presented with literature models. [less ▲]

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See detailAgro-pedological Assessment of the Traditional Yuanyang Rice Terraces of Yunnan Province, China
Colinet, Gilles ULg; Koulos, Keiko; Wu, Bozhi et al

in Journal of Resources and Ecology (2011), 2(4), 353-361

As a contribution to a long-term evaluation of the sustainability of agro-ecosystems in the Yuanyang rice terraces, this paper reviews the bio-physical environment of the terraced landscape in a small ... [more ▼]

As a contribution to a long-term evaluation of the sustainability of agro-ecosystems in the Yuanyang rice terraces, this paper reviews the bio-physical environment of the terraced landscape in a small catchment around Qingkou village and assesses soil fertility in the village crop growing area. A soillandscape organization pattern was developed using a geomorphopedological approach. Anthropogenic, climatic and topographic factors were identified as the main soil forming factors. Soil capability and associated edaphic constraints were assessed and the main soil types were identified and classified using FAO protocols. Spatial patterns of soil fertility appear quite homogeneous. Soils are acid and cation exchange capacity and nutrient reserves are generally low. The agro-ecosystem has largely been developed by the Hani population. This agro-ecosystem has succeeded in maintaining a relatively dynamic nutrient circulation system. Current research is focusing on: (i) the evaluation of the representativeness of the studied area compared to the whole terraced system in the Yuanyang terraced landscape; (ii) measurements of nutrients flows at the field scale; (iii) the effects of soil properties on crop yields; and (iv) up-scaling field levels results to larger spatial units. [less ▲]

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