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See detailG_CUBE
Lejeune, Philippe ULg; Gheysen, Thibaut ULg

Software (2007)

G-Cube est un logiciel de cubage d'arbres sur pieds ou abattus fonctionnant dans l'environnement Microsoft® Excel. Il donne accès aux principaux barèmes de cubage (défilement, décroissance), ainsi qu'aux ... [more ▼]

G-Cube est un logiciel de cubage d'arbres sur pieds ou abattus fonctionnant dans l'environnement Microsoft® Excel. Il donne accès aux principaux barèmes de cubage (défilement, décroissance), ainsi qu'aux équations de cubage adaptées à la Région wallonne. Il accepte différentes modalités de mesures de grosseurs des arbres (diamètre ; circonférence ; 1,3m ; 1,5m ; …) et de présentation des données (arbres individuels, listes par classes de grosseur, listes par classes de grosseur et de hauteur). Il intègre également un module simplifié de traitement de données d'inventaire par échantillonnage [less ▲]

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See detailLa Culture céramique de Terqa au troisième millénaire
Mas, Juliette ULg

Conference (2007, December)

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See detailRapport coûts/bénéfices des différents niveaux de performances énergétiques des bâtiments neufs
Dupont, Géraldine ULg; Hauglustaine, Jean-Marie ULg

Report (2007)

Within the framework of the modification of its RCU on energy, the commune of Villers-le-Bouillet entrusted the study of the Energy Performance to us and of the dependant economic aspects of a dwelling ... [more ▼]

Within the framework of the modification of its RCU on energy, the commune of Villers-le-Bouillet entrusted the study of the Energy Performance to us and of the dependant economic aspects of a dwelling, the choice of the analyzed case was made on the average dwelling defined within the framework Construire action With Energy. It is a question of varying various technical combinations (thermo isolation, heating system, renewable energy…) equipping this dwelling in order to obtain a panel of realistic solutions to study under energy” and “economic” angle the “. The analysis of these projects must make it possible to release a maximum level of consumption in primary energy per m ² and per annum, as well as a maximum level of CO2 emission, both realistic as well from the environmental point of view as economic. [less ▲]

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See detailA new tool for METs monitoring in cardiopulmonary exercise testing. Comparison of the BodyMedia SenseWear Armband with mobile ergospirometry- preliminary results
Bury, Thierry ULg

in Abstract book of the Annual Congress of the Belgium Society of Cardiology (2007, December)

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See detailFolate receptor autoimmunity and cerebral folate deficiency in low-functioning autism with neurological deficits
RAMAEKERS, Vincent ULg; Blau, N.; Sequeira, J. M. et al

in Neuropediatrics (2007), 38(6), 276-281

Reduced folate transport to the CNS was identified in two autism spectrum disorders, i.e., Rett syndrome and infantile low-functioning autism with neurological abnormalities. Twenty-five patients with ... [more ▼]

Reduced folate transport to the CNS was identified in two autism spectrum disorders, i.e., Rett syndrome and infantile low-functioning autism with neurological abnormalities. Twenty-five patients with early-onset low-functioning autism with or without neurological deficits, were evaluated for serum folate, cerebrospinal fluid (CSF) 5-methyltetrahydrofolate (5MTHF), and serum FR autoantibodies of the blocking type to determine the significance of folate receptor (FR) autoantibodies with respect to folate transport across the blood-CSF barrier. In spite of normal serum folate, CSF 5MTHF was low in 23 of 25 patients. The reduced CSF folate in 19 of these 23 patients could be explained by serum FR autoantibodies blocking the folate binding site of the membrane-attached FR on the choroid epithelial cells. Oral folinic acid supplements led to normal CSF 5MTHF and partial or complete clinical recovery after 12 months. Serum FR autoimmunity appears to represent an important factor in the pathogenesis of reduced folate transport to the nervous system among children with early-onset low-functioning autism associated with or without neurological deficits. Early detection of FR autoantibodies may be a key factor in the prevention and therapeutic intervention among this subgroup of patients with autism. © Georg Thieme Verlag KG Stuttgart. [less ▲]

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See detailWhat is it like to be vegetative or minimally conscious?
Laureys, Steven ULg; Boly, Mélanie ULg

in Current Opinion in Neurology (2007), 20(6), 609-613

Purpose of review Patients in a vegetative or minimally conscious state continue to pose problems in terms of diagnosis, prognosis and treatment. Despite recent waves of international media attention ... [more ▼]

Purpose of review Patients in a vegetative or minimally conscious state continue to pose problems in terms of diagnosis, prognosis and treatment. Despite recent waves of international media attention following Terri Schiavo's death and the 'miracle recovery' of Terry Wallis, research efforts aimed at increasing our knowledge about brain function in these conditions remain scarce and must address a series of difficulties, including financial and ethical barriers. Here we review current possibilities and limitations of clinical and para-clinical assessment of chronic disorders of consciousness. Recent findings During the past year the field has witnessed publication of significant, yet isolated, case reports in top-ranking journals, including Science and Nature. Such milestone reports and other impressive recent technological advances in the study of vegetative and minimally conscious patients reveal enthralling areas of science that must find their way to clinical medical reality. Summary Consciousness is a subjective experience whose study has remained within the purview of philosophy for millennia. That has finally changed, and empirical evidence from functional neuroimaging offers a genuine glimpse at a solution to the infamous mind-body conundrum. New technological and scientific advances offer the neurological community unique ways to improve our understanding and management of vegetative and minimally conscious patients. [less ▲]

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See detailDes villes qui marchent
Frankignoulle, Pierre ULg

Report (2007)

Etat de l'art + bibliographie sur le thème de la marche en ville

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See detailDu « capital social » à l’utilité sociale : Petite étude sur le lien social chez les personnes précarisées
Italiano, Patrick ULg

Book published by Editions de l'ULG (2007)

Etude de l'évolution du lien social au cours du parcours de vie de personnes en précarité aiguë

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See detailApproche territoriale du capital social : recherche qualitative sur un terrain d’application d’une politique visant au redéveloppement d’un quartier par la stimulation du capital social
Italiano, Patrick ULg

Report (2007)

Le rapport analyse, sous l'angle du développement du capital social, une expérience de redéveloppement d'un quartier de Seraing affecté par la désindustrialisation. Il s'appuie sur l'analyse des ... [more ▼]

Le rapport analyse, sous l'angle du développement du capital social, une expérience de redéveloppement d'un quartier de Seraing affecté par la désindustrialisation. Il s'appuie sur l'analyse des dynamiques du travail social, des ressources du quartier, de la participation citoyenne. Il utilise également les résultats d'une enquête menée auprès des habitants du quartier. [less ▲]

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See detailCriminologie du crime en col blanc: le centenaire d'un quinquagénaire
Dantinne, Michaël ULg

in Bosly, Henri; Demanet, Georges; Bernard, Michel (Eds.) et al Cent ans de publication de droit pénal et de criminologie: le centenaire de la revue de droit pénal et de criminologie (2007)

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See detailCaractérisation physiologique et biochimique du processus de vieillissement du tubercule de pomme de terre (Solanum tuberosum L.)
Delaplace, Pierre ULg

Doctoral thesis (2007)

Potato seed tuber is considered as a model organ to study plant ageing. Besides, its physiological age greatly influences germination pattern and thus agronomical performance. In order to unravel the ... [more ▼]

Potato seed tuber is considered as a model organ to study plant ageing. Besides, its physiological age greatly influences germination pattern and thus agronomical performance. In order to unravel the biochemical processes underlying ageing, potato seed tubers (cv. Bintje and Désirée) were stored at 4°C for 7 months and regularly sampled to assess both physiological and biochemical parameters. Physiological age markers (PAI, incubation period) evolution was measured and allowed us to define a reference frame more accurate than the chronological age. A correlation has also been established with the growth parameters (number of stems, duration before emergence). In parallel, two biochemical approaches allowed us to assay proteome and antioxidant system modifications occurring during ageing. Protein pattern evolution was assessed by DIGE after hot SDS extraction. During ageing, 93 spots were strictly up- or down- regulated while 4 others exhibited an abundance curve with a transient maximum. After manual picking of 43 selected spots based on their expression profile, 32 proteins were identified by MS/MS. Differentially expressed proteins are mainly involved in patatin catabolism, stress response, glycolysis, protein turn-over and lipid oxidation. A complementary targeted approach has then been set up based on the free radical ageing theory. SOD, CAT, APX and POX activities as well as ascorbate, glutathione, carotenoid and phenolic compound contents were measured during ageing. These data seem to indicate that the antioxidant system undergoes marked changes in response to an increased production of reactive oxygen species. However, no accumulation of oxidative damages has been observed on lipids and proteins. All these kinetic data allowed us to build an integrated ageing model. These results are discussed in the above-mentioned theoretical context. [less ▲]

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See detailA Hybrid Systems Approach to Trajectory Tracking Control for Juggling Systems
Sanfelice, Ricardo G.; Teel, Andrew R.; Sepulchre, Rodolphe ULg

in Proceedings of the 46th IEEE Conference on Decision and Control (2007, December)

From a hybrid systems point of view, we provide a modeling framework and a trajectory tracking control design methodology for juggling systems. We present the main ideas and concepts in a one degree-of ... [more ▼]

From a hybrid systems point of view, we provide a modeling framework and a trajectory tracking control design methodology for juggling systems. We present the main ideas and concepts in a one degree-of-freedom juggler, which consists of a ball bouncing on an actuated robot. We design a hybrid control strategy that, with only information of the ball’s state at impacts, controls the ball to track a reference rhythmic pattern with arbitrary precision. We extend this hybrid control strategy to the case of juggling multiple balls with different rhythmic patterns. Simulation results for juggling of one and three balls with a single actuated robot are presented. [less ▲]

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See detailGoal-directed Intraoperative therapy reduces morbidity and length of hospital stay in high-risk surgical patients
Donati, A.; Loggi, S.; Preiser, Jean-Charles ULg et al

in Chest (2007), 132(6), 1817-1824

Background: Postoperative organ failures commonly occur after major abdominal surgery, increasing the utilization of resources and costs of care. Tissue hypoxia is a key trigger of organ dysfunction. A ... [more ▼]

Background: Postoperative organ failures commonly occur after major abdominal surgery, increasing the utilization of resources and costs of care. Tissue hypoxia is a key trigger of organ dysfunction. A therapeutic strategy designed to detect and reverse tissue hypoxia, as diagnosed by an increase of oxygen extraction (0,ER) over a predefined threshold, could decrease the incidence of organ failures. The primary aim of this study was to compare the number of patients with postoperative organ failure and length of hospital stay between those randomized to conventional vs a protocolized strategy designed to maintain O2ER < 27%. Methods: A prospective, randomized, controlled trial was performed in nine hospitals in Italy. One hundred thirty-five high-risk patients scheduled for major abdominal surgery were randomized in two groups. All patients were managed to achieve standard goals: mean arterial pressure > 80 mm Hg and urinary output > 0.5 mL/kg/h. The patients of the "protocol group" (group A) were also managed to keep O2ER < 27%. Measurements and main results: In group A, fewer patients had at least one organ failure (n = 8, 11.8%) than in group B (n = 20, 29.8%) [p < 0.05], and the total number of organ failures was lower in group A than in group B (27 failures vs 9 failures, p < 0.001). Length of hospital stay was significantly lower in the protocol group than in the control group (11.3 +/- 3.8 days vs 13.4 +/- 6.1 days, p < 0.05). Hospital mortality was similar in both groups. Conclusions: Early treatment directed to maintain O2ER at < 27% reduces organ failures and hospital stay of high-risk surgical patients. Clinical trials.gov reference No. NCT00254150. [less ▲]

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See detailAlternating Spatial Patterns for Coordinated Group Motion
Swain, Daniel T.; Leonard, Naomi Ehrich; Couzin, Iain D. et al

in Proceedings of the 46th IEEE Conference on Decision and Control (2007, December)

Abstract—Motivated by recent observations of fish schools, we study coordinated group motion for individuals with oscillatory speed. Neighbors that have speed oscillations with common frequency, amplitude ... [more ▼]

Abstract—Motivated by recent observations of fish schools, we study coordinated group motion for individuals with oscillatory speed. Neighbors that have speed oscillations with common frequency, amplitude and average but different phases, move together in alternating spatial patterns, taking turns being towards the front, sides and back of the group. We propose a model and control laws to investigate the connections between these spatial dynamics, communication when sensing is range or direction limited, and convergence of coordinated group motions. [less ▲]

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See detailOn the Construction of WiMAX Mesh Tree
Nahle, Salim; Iannone, Luigi,; Donnet, Benoît ULg et al

in IEEE Communications Letters (2007), 11(12),

The IEEE 802.16 protocol, also known as WiMAX, has been designed to support long-range communications with high bitrates, using two operation modes: Point-to-Multi-Point (PMP) and Mesh. In the mesh mode ... [more ▼]

The IEEE 802.16 protocol, also known as WiMAX, has been designed to support long-range communications with high bitrates, using two operation modes: Point-to-Multi-Point (PMP) and Mesh. In the mesh mode, Subscriber Stations (SSs) can directly communicate with each other, thus forming a tree, and can be used to forward other's data packets in a multi-hop fashion. On the contrary, in the PMP mode only one hop communication toward the Base Station (BS) is allowed. In this paper, we investigate the performance of the mesh mode by proposing an algorithm for constructing the WiMAX mesh tree. Our algorithm increases routes' effective throughput by splitting long links into multiple shorter ones. We show through simulations that this approach leads to improving the throughput capacity of WiMAX-based wireless mesh networks. [less ▲]

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See detailRising Sea Levels threatens the Nile Delta
Attia, Shady ULg

in 'scape : The International Magazine of Landscape Architecture and Urbanism (2007), 2

Like many other deltas, Egypt is particularly vulnerable to the effects of global warming. A relative rise in sea-level of 1 m would submerge much of the delta region within 30 km of the coast during the ... [more ▼]

Like many other deltas, Egypt is particularly vulnerable to the effects of global warming. A relative rise in sea-level of 1 m would submerge much of the delta region within 30 km of the coast during the next 100 years. Rising sea levels would have significant long-term impacts on physical, biological and socio-economic conditions of the Nile Delta. These include the damage and destruction of buildings near beaches, erosion of beaches, salt-water intrusion, and flooding more than 1,200 km2 of Egypt’s Delta Coastline. [less ▲]

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See detailNoms de lieux du Grand-Bornand
Delorme, Jérémie ULg

Conference given outside the academic context (2007)

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See detailAn Arbitrary Lagrangian Eulerian Formulation for the Numerical Simulation of Forming Processes
Boman, Romain ULg; Papeleux, Luc ULg; Ponthot, Jean-Philippe ULg

in International Workshop 2007: Advancements in Design Optimization of Materials, Structures and Mechanical Systems (2007, December)

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See detailDevelopment of Bio-climatic zones in North East India
Singh, Manoj Kumar ULg; Mahapatra, Sadhan; Atreya, S.K.

in Energy & Buildings (2007), 39(12), 1250-1257

This paper represents the very basic work of bio-climatic classification of north-east India into warm and humid, cool and humid and cold and cloudy zones. This classification is extremely useful to the ... [more ▼]

This paper represents the very basic work of bio-climatic classification of north-east India into warm and humid, cool and humid and cold and cloudy zones. This classification is extremely useful to the building design for wide range of objectives such as climate responsive building design, building energy conservation, thermal comfort, out door design conditions, etc. This classification is based on the meteorological data collected over a period of more than 30 years, from Regional Meteorological Centre, Guwahati, India from 30 stations spread all over the region. Psychometric charts are prepared for each bio-climatic zone to assess the potential of solar passive design strategies for residential buildings. [less ▲]

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