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See detailFive-year follow-up of patients from a previous 3-year randomised, controlled trial of glucosamine sulfate in knee osteoarthritis
Bruyère, Olivier ULg; Compere, Stephanie; Rovati, Lucio C et al

in Arthritis and Rheumatism (2003, September), 48(number 9 (suppl.)), 80

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See detailStructural and symptomatic efficacy of glucosamine and chondroitine sulfate in osteoarthritis: a comprehensive meta-analysis
Richy, Florent Y; Bruyère, Olivier ULg; Ethgen, Olivier ULg et al

in Arthritis and Rheumatism (2003, September), 48(number 9 (suppl.)), 214

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See detailOsteoporosis prevalence estimates for men: variation based on normative data
Gourlay, Margaret L; Richy, Florent; Garrett, Joanne et al

in Arthritis and Rheumatism (2003, September), 48(number 9 (suppl.)), 298

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See detailEfficacy of alphacalcidol and calcitriol in primary and corticosteroid-induced osteoporosis: a meta-analysis of their effects on bone mineral density and fracture rate
Richy, Florent Y; Reginster, Jean-Yves ULg

in Arthritis and Rheumatism (2003, September), 48(number 9 (suppl.)), 214

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See detailRisk assessment tools for osteoporosis: Scope and limits
Richy, Florent; Gourlay, Margaret; Ross, Philip D et al

in Arthritis and Rheumatism (2003, September), 48(number 9 (suppl.)), 215

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See detailInfluence of dose on the persistence of conditioned place preference induced by cocaine in C57BL/6J mice
Brabant, Christian ULg; Tirelli, Ezio ULg

in Behavioural Pharmacology (2003, September), 14(Suppl. 1), 54

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See detailGabazine (SR95531) effect on memory consolidation and context-dependent memory in mice
Bernaerts, R.; Tirelli, Ezio ULg

in Behavioural Pharmacology (2003, September), 14(Suppl. 1), 29

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See detailRadiochemical Synthesis of p-[18F]Desmethyl-MPPF (p-[18F]D-MPPF) for the Study of 5-HT1A Receptors
Defraiteur, Caroline; Plenevaux, Alain ULg; Lemaire, Christian ULg et al

in Journal of Labelled Compounds & Radiopharmaceuticals (2003, August), 46(S1), 157

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See detailHybrid Acceleration using Real Vector Automata
Boigelot, Bernard ULg; Herbreteau, Frédéric; Jodogne, Sébastien ULg

in Lecture Notes in Computer Science (2003, July), 2725

This paper addresses the problem of computing an exact and effective representation of the set of reachable configurations of a linear hybrid automaton. Our solution is based on accelerating the state ... [more ▼]

This paper addresses the problem of computing an exact and effective representation of the set of reachable configurations of a linear hybrid automaton. Our solution is based on accelerating the state-space exploration by computing symbolically the repeated effect of control cycles. The computed sets of configurations are represented by Real Vector Automata (RVA), the expressive power of which is beyond that of the first-order additive theory of reals and integers. This approach makes it possible to compute in finite time sets of configurations that cannot be expressed as finite unions of convex sets. The main technical contributions of the paper consist in a powerful sufficient criterion for checking whether a hybrid transformation (i.e., with both discrete and continuous features) can be accelerated, as well as an algorithm for applying such an accelerated transformation on RVA. Our results have been implemented and successfully applied to several case studies, including the well-known leaking gas burner, and a simple communication protocol with timers. [less ▲]

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See detailFeasibility study of the development of Intermodal Freight transport between Belgium and Bulgaria
Marchal, Jean ULg; KISHEVA, Diana; ZHANG, Zhaomin

in Port Development and Coastal Environment (2003, June 04), PDCE 2003

The aim of the project was to perform a feasibility study for possible development of freight intermodal transport links between Belgium and Bulgaria, between North and Black sea and vice versa, taking ... [more ▼]

The aim of the project was to perform a feasibility study for possible development of freight intermodal transport links between Belgium and Bulgaria, between North and Black sea and vice versa, taking inland waterways (iww) transport mode as basic one. The key focus is assessment of benefits in adopting an intermodal manner for transferring cargo instead of the single transport mode currently in use. The paper comprises short description of trans-continental infrastructure between Belgium and Bulgaria and its abilities to serve for different transport alternatives, definitions and choice of appropriate scenarios for realising predicted cargo flows, as well as cost calculations. Comparative analysis of the considered transport alternatives has been made. The most important results obtained are transport cost evaluation and benefit assessment for investigated transport scenarios [less ▲]

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See detailEvaluation of the patient's quality of life by her relative in a breast cancer population
Bragard, Isabelle ULg; Conradt, S.; Barchiesi, D. et al

in Psycho-Oncology (2003, June), 12(4, Suppl. S), 205-206

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See detailGenetic engineering of the beta-oxydation pathway in the yeast Yarrowia lipolytica to increase the production of aroma compounds
Waché, Y.; Groguenin, A.; Escamilla Garcia, E. et al

in Chemické Listy (2003, June), 97

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See detailPrevalence of microalbuminuria in hypertensive patients: A Belgian promise survey
Krzesinski, Jean-Marie ULg; Lins, R. L.; Melsens, J. et al

in Journal of Hypertension (2003, June), 21(Suppl. 4), 71

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See detailEffect of moxonidine on heart rates in hypertensive patients: A large scale surveillance study
Labaki, L.; Lins, R. L.; Van der Niepen, P. et al

in Journal of Hypertension (2003, June), 21(Suppl. 4), 325

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See detailOral monthly ibandronate: rationale and clinical potential in postmenopausal osteoporosis
Reginster, Jean-Yves ULg; McClung, M.; Coutant, K. et al

in Annals of the Rheumatic Diseases (2003, June)

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See detailFirst detection of resistance to QOI fungicides in Mycosphaerella graminicola on winter wheat in Belgium
Amand, O.; Calay, F.; Coquillart, L. et al

in Communications in Agricultural and Applied Biological Sciences (2003, May 06), 68(4b), 519-531

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See detailAnomalous 14N/15N ratio in comets 122P/1995 S1 (de Vico) and 153P/2002 C1 (Ikeya-Zhang)
Arpigny, Claude ULg; Cochran, A. L.; Jehin, Emmanuel ULg et al

in Bulletin of the American Astronomical Society (2003, May 01), 35

High-resolution (R 60,000) spectra of the Halley-type comet 122P/1995 S1 de Vico (Period 74 years) and the ``intermediate-period" comet 153P/2002 C1 Ikeya-Zhang (P 370 yr) were obtained with the 2DCoude ... [more ▼]

High-resolution (R 60,000) spectra of the Halley-type comet 122P/1995 S1 de Vico (Period 74 years) and the ``intermediate-period" comet 153P/2002 C1 Ikeya-Zhang (P 370 yr) were obtained with the 2DCoude spectrograph at the 2.7-m Harlan J. Smith telescope of the McDonald Observatory. These comets were within 1 AU from the Sun (0.66 and 0.92 AU, respectively). The spectra display CN (0,0) bands indicating an anomalous [SUP]14[/SUP]N/[SUP]15[/SUP]N isotope ratio, in the sense that it is close to half the value in Earth's atmosphere (the so-called ``Solar system value") and about half that obtained in comet Hale-Bopp from sub-millimeter measurements on HCN, generally believed to be the main parent of CN. Similar conclusions had been reached for C/1995 O1 (Hale-Bopp), an ``old long-period", and for C/2000 WM1 (LINEAR), a ``young long-period" comet. As suggested by Arpigny et al. (2003), this apparent abundance anomaly points towards the existence of other unknown parent(s) of CN, with an even higher [SUP]15[/SUP]N excess. Organic compounds like those found in interplanetary dust particles (IDPs) are good candidates. The similarity between comets of different dynamical ages is pointed out. 1 Research Director FNRS (Belgium) 2 Research Associate FNRS (Belgium) [less ▲]

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See detailSevere inhibition of choroidal neovascularization in mice with a combined deficiency of MMP-2 and MMP-9 genes
Lambert, Vincent ULg; Wielockx, B.; Munaut, Carine ULg et al

in Investigative Ophthalmology & Visual Science (2003, May), 44(Suppl. 2), 410

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See detailCardiac gated pinhole SPECT in living rat: filtered backprojection versus iterative reconstruction.
Vanhove, Christian; Franken, Philippe R.; Lahoutte, Tony et al

in Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine (2003, May), 44(5), 276-277

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See detailThe Effect on Systemic and Pulmonary Circulations in the Resuscitation of Asphyxiated Newborn Piglets with 21%, 50% or 100% Oxygen
Haase, Erika; Stevens, Jonathan; Rigo, Vincent ULg et al

in Pediatric Research (2003, April), 53(4 Part 2/2), 354

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See detailMesenteric Doppler Blood Flow Velocities in Pre-Operative Infants with Transposition of the Great Arteries
Campbell, Morag; Rigo, Vincent ULg; Robertson, Murray

in Pediatric Research (2003, April), 53(4 Part 2/2), 386

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See detailImproved Carotid and Mesenteric Blood Flows with the Use of 21% Oxygen During Resuscitation of Newborn Piglets with Severe Asphyxia
Haase, Erika; Stevens, Jonathan; Rigo, Vincent ULg et al

in Pediatric Research (2003, April), 53(4 Part 2/2), 377

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See detailInfluence of the Aral Sea negative water balance on its seasonal circulation and ventilation patterns : use of a 3D hydrodynamic model
Sirjacobs, Damien ULg; Grégoire, Marilaure ULg; Delhez, Eric ULg et al

in Geophysical Research Abstracts (2003, April), 5(09052), 2003509052

Within the context of the EU INCO-COPERNICUS program "Desertification in the Aral Sea Region: A study of the Natural and Anthropogenic Impacts" (Contract IAC2-CT-2000-10023), a large-scale 3D hydrodynamic ... [more ▼]

Within the context of the EU INCO-COPERNICUS program "Desertification in the Aral Sea Region: A study of the Natural and Anthropogenic Impacts" (Contract IAC2-CT-2000-10023), a large-scale 3D hydrodynamic model was adapted to address specifically the macroscale processes affecting the Aral Sea water circulation and ventilation. The particular goal of this research is to simulate the effect of lasting negative water balance on the 3D seasonal circulation, temperature, salinity and water-mixing fields of the Aral Sea. The original Aral Sea seasonal hydrodynamism is simulated with the average seasonal forcings corresponding to the period from 1956 to 1960. This first investigation concerns a period of relative stability of the water balance, before the beginning of the drying process. The consequences of the drying process on the hydrodynamic of the Sea will be studied by comparing this first results with the simulation representing the average situation for the years 1981 to 1985, a very low river flow period. For both simulation periods, the forcing considered are the seasonal fluctuations of wind fields, precipitation, evaporation, river discharge and salinity, cloud cover, air temperature and humidity. The meteorological forcings were adapted to the common optimum one-month temporal resolution of the available data sets. Monthly mean kinetic energy flux and surface tensions were calculated from daily ECMWF wind data. Monthly in situ precipitation, surface air temperature and humidity fields were interpolated from data obtained from the Russian Hydrological and Meteorological Institute. Monthly water discharge and average salinity of the river water were considered for both Amu Darya and Syr Darya river over each simulation periods. The water mass conservation routines allowed the simulation of a changing coastline by taking into account local drying and flooding events of particular grid points. Preliminary barotropic runs were realised (for the 1951-1960 situation, before drying up began) in order to get a first experience of the behaviour of the hydrodynamic model. These first runs provide results about the evolution of the following state variables: elevation of the sea surface, 3D fields of vertical and horizontal flows, 2D fields of average horizontal flows and finally the 3D fields of turbulent kinetic energy. The mean seasonal salinity and temperature fields (in-situ data gathered by the Russian Hydrological and Meteorological Institute) are available for the two simulated periods and will allow a first validation of the hydrodynamic model. Various satellites products were identified, collected and processed in the frame of this research project and will be used for the validation of the model outputs. Seasonal level changes measurements derived from water table change will serve for water balance validation and sea surface temperature for hydrodynamics validation. [less ▲]

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See detailDoes the Direction of Ductal Blood Flow Affect Regional Circulatory Hemodynamics in Duct Dependent Congenital Heart Disease?
Campbell, Morag; Rigo, Vincent ULg; Robertson, Murray

in Pediatric Research (2003, April), 53(4 Part 2/2), 471

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See detailIsokinetic evaluation of muscular function in patients with chronic pain and fatigability
Maquet, Didier ULg; Croisier, Jean-Louis ULg; Moutschen, Michel ULg et al

in Isokinetics & Exercise Science (2003, March), 11(1), 73-74

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See detailIsokinetic assessment of knee flexors and extensors in professional soccer players
Croisier, Jean-Louis ULg; Réveillon, Vincent; Ferret, J. M. et al

in Isokinetics & Exercise Science (2003, March), 11(1), 61-62

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See detailA risk assessment tool (osterorisk) for identifying latin american women with osteoporosis
Sen, SS; Geling, O; Messina, OD et al

in Revista Metabolismo Oseo y Mineral (2003, March), 1(1), 39-40

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See detailInfluence of the range of motion on the isokinetic performances of the knee flexors and extensors
Croisier, Jean-Louis ULg; Voisin, P.; Elbouz, Leila ULg et al

in Isokinetics & Exercise Science (2003, March), 11

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See detailProposal for the assessment protocols for different shoulder muscles groups
Forthomme, Bénédicte ULg; Croisier, Jean-Louis ULg; Crielaard, Jean-Michel ULg

in Isokinetics & Exercise Science (2003, March), 11

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See detailShoulder isokinetic exploration following shoulder rotator cuff suture
Binet, J.; Forthomme, Bénédicte ULg; Bierlaire, J. P. et al

in Isokinetics & Exercise Science (2003, March), 11

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See detailStates of awareness associated with memory for emotional and neutral pictures in older and younger adults
D'Argembeau, Arnaud ULg; Comblain, Christine; Van der Linden, Martial ULg et al

in Brain & Cognition (2003, March), 51(2), 220-221

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See detailHuman-Visual-System-Based Fusion of Multimodality 3D Neuroimagery using Brain-Shift-Compensating Finite-Element-Based Deformable Models
Verly, Jacques ULg; Vigneron, Lara; Petitjean, Nicolas et al

in Proceedings of SPIE (2003, February), 5029

Our goal is to fuse multimodality imagery to enhance image-guided neurosurgery. Images that need to be fused must be registered. Registration becomes a challenge when the imaged object deforms between the ... [more ▼]

Our goal is to fuse multimodality imagery to enhance image-guided neurosurgery. Images that need to be fused must be registered. Registration becomes a challenge when the imaged object deforms between the times the images to be fused are taken. This is the case when “brain-shift” occurs. We begin by describing our strategy for nonrigid registration via finite-element methods. Then, we independently discuss an image fusion strategy based on a model of the human visual system. We illustrate the operation of many components of the registration system and the operation of the fusion system. [less ▲]

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See detailExpertise et éthique: le danger de l'abus de pouvoir
Mormont, Christian ULg

in Agenda Psychiatrie (L') (2003, February), 26

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See detailEvolution of pressure distribution during apple compression tests measured with tactile sensors
Kleynen, Olivier; de la Cierva, Sonia; Destain, Marie-France ULg

in Acta Horticulturae (2003), (604),

The paper analyses the ability of thin-film tactile sensors in providing information during static compression tests of ‘Jonagold’ apples (Malus pumila) of different ripeness stages. Such sensors are able ... [more ▼]

The paper analyses the ability of thin-film tactile sensors in providing information during static compression tests of ‘Jonagold’ apples (Malus pumila) of different ripeness stages. Such sensors are able to measure the contact surface and the interfacial pressure distribution during compression of fruits, this latter being characterised by suitable mathematical parameters. Results of compression tests between two flat steel plates are presented. The differentiated evolution of the pressure distribution according to the fruit maturity is pointed out. Ability of the sensor in evaluating the firmness is also discussed. [less ▲]

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See detailBehavioral characterization of acetaldehyde in C57BL/6J mice: Anxiolytic, amnesic and hedonic effects
Tambour, Sophie ULg; Quertemont, Etienne ULg; Tirelli, Ezio ULg

in Behavioural Pharmacology (2003), 14(Suppl. 1), 68-69

It has been postulated that a number of central effects of ethanol are mediated through the action of its first metabolite, acetaldehyde. In particular, acetaldehyde might be involved in the anxiolytic ... [more ▼]

It has been postulated that a number of central effects of ethanol are mediated through the action of its first metabolite, acetaldehyde. In particular, acetaldehyde might be involved in the anxiolytic and hedonic effects of ethanol and is therefore believed to play an important role in alcohol abuse. In agreement with this assumption, previous studies indicated that acetaldehyde is mainly reinforcing in rats, which have been shown to readily self-administer acetaldehyde both peripherally and centrally. However, the hedonic effects of acetaldehyde have never been tested in mice, and the possible amnesic and anxiolytic effects of acetaldehyde remain to be elucidated. Therefore, the present studies were aimed at characterizing the anxiolytic, hedonic and amnesic effects of acetaldehyde after its acute peripheral administration to C57BL/6J mice. The effects of intraperitoneal acetaldehyde (0-300 mg/kg) injections were assessed in several classical behavioral tests. The anxiolytic effects were tested with the elevated plus maze, the hedonic effects with the place conditioning procedure and the amnesic effects with the passive avoidance apparatus. Our results show that acetaldehyde dose-dependently altered memory consolidation as evidenced by a reduced performance in the passive avoidance test when acetaldehyde was injected immediately after training at doses between 100 and 300 mg/kg. The elevated plus-maze showed that acetaldehyde, in contrast to ethanol, does not possess anxiolytic properties. Finally, the results of the place conditioning experiment confirmed that acetaldehyde displays significant hedonic properties. The present results add further support to the role of acetaldehyde in ethanol amnesic and hedonic effects but interestingly suggest that acetaldehyde is not involved in ethanol anxiolytic effects. [less ▲]

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See detailBehavioral characterization of acetaldehyde in C57BL/6J mice: Locomotor, hypnotic and ataxic effects
Quertemont, Etienne ULg; Tambour, Sophie ULg; Tirelli, Ezio ULg

in Behavioural Pharmacology (2003), 14(Suppl. 1), 69-69

Acetaldehyde, the first ethanol metabolite, was recently suggested to play a major role in many behavioral effects of ethanol. However, no studies have directly investigated the behavioral effects of ... [more ▼]

Acetaldehyde, the first ethanol metabolite, was recently suggested to play a major role in many behavioral effects of ethanol. However, no studies have directly investigated the behavioral effects of acetaldehyde after acute administration. Therefore, the aim of the present study was to characterize the locomotor, hypnotic and ataxic effects of acetaldehyde in C57BL/6J mice. Various acetaldehyde doses (0-300 mg/kg) were injected intraperitoneally and their effects were investigated with several classical behavioral tests. The locomotor effects of acetaldehyde were measured in standard activity boxes. In addition, the loss of righting reflex was used to assess the hypnotic effects of acetaldehyde. Finally, the ataxic effects of acetaldehyde were studied with the horizontal wire test. The results show that acetaldehyde induced a significant hypolocomotor effect at 170 mg/kg and higher doses. In addition, the hypnotic effects of acetaldehyde were evidenced by a loss of righting reflex in doses between 170 and 300 mg/kg. However, the locomotor and hypnotic effects of acetaldehyde were very brief relative to what is observed after ethanol administration. After 170 mg/kg acetaldehyde, normal activity was recovered in less than 30 minutes and the loss of righting reflex lasted only an average of 6.14 ± 1.29 minutes after the administration of 300 mg/kg acetaldehyde, the highest testable dose before lethality. Ataxic effects were observed with lower doses that did not significantly affect locomotor activity. These results show that acetaldehyde, like ethanol, possesses sedative, hypnotic and ataxic properties and therefore indicate that the first product of ethanol metabolism might be involved in these ethanol effects. [less ▲]

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See detailDer Einsatz neuer Medien in der regelungstechnischen Ausbildung
Schumm, Peter; Bullinger, Eric ULg; Schweickhardt, Tobias et al

in Proceedings of GMA-Kongress (2003)

This paper reviews the use of new media for teaching of control engineering.

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See detailUniformité du détecteur en tomoscintigraphie avec collimateur sténopé
Bleeser, Frédéric; Seret, Alain ULg

in Médecine Nucléaire : Imagerie Fonctionnelle et Métabolique (2003), 27(9), 460

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See detailKarsts en roches cristallines silicatées non carbonatées. Cas dans des gneiss : la grotte de Mfoula, Sud Cameroun
Willems, Luc ULg; Pouclet, André; Vicat, Jean-Paul

in Actes des Journées Européennes de l'AFK 2003 (2003)

Since the Seventies, a séries of phenomena developed in non carbonated silicated rocks question the traditional vision of karst. The term of karst is used in the meaning of "any feature of the classical ... [more ▼]

Since the Seventies, a séries of phenomena developed in non carbonated silicated rocks question the traditional vision of karst. The term of karst is used in the meaning of "any feature of the classical karst morphology (caves, sink-holes, lapiaz...) where dissolution plays the main genetic action and this in any kind of rocks". The cave of Guéssédoundou illustrâtes a karst in métagabbros. It opens at the top of a small hill, in a dépression twenty meters long and three to four meters deep. The walls of this dépression are subvertical and the bottom is partially occupied by angular pluridecimetric blocks. The cave is opened on several meters in the southern side of the dépression and is prolonged in the form of too narrow conduits to be explore. The bedrock is a metagabbro with fine grains, slightly weathered, crossed by decimetric quartzose veins. Gabbroïc texture is preserved, as well as part of magmatic plagioclases. The remainder is transformed into a mixture of white feldspar and clinozoisite. Pyroxene are pseudomorphosed in actinote and chlorite. The site dépression was created along a N 10° shear zone where rocks suffered important fracturation and fluid transfers, as shown by its silification and ferruginisation.. Moreover, a East-West schistosity, former to shearing, structures the gabbro. The présence of angular blocks of variable size and the absence of human activity trace on the site show that the dépression was formed naturally by collapse of the roof of a more vast cavity whose current cave would be the visible residual prolongation. The absence of flow traces and mechanical abrasion means that this cavity is due only to chemical érosion . At the cave entry and on the subvertical walls of the dépression were formed by alveoli a few centimètres to a few décimètres in diameter. Thèse alveoli of wall are known in other lithologies, in particular in limestones. The absence of salts within the rock draws aside a formation by sait weathering. The smooth aspect and non fractured walls of the cells cannot resuit from a corrosion to a fracturing node. The closed aspect of the dépression and the absence of flow trace eliminate the assumptions from formation by water swirls or eolisation. The genesis of the cave must be earlier to the installation of a weathering cover since the rock is little deteriorated and the alveoli are not developed on a quite particular level which would correspond to a précise pedogenic horizon. Only a generalized dissolution of the métagabbros, in relation to a slow solution circulation, being carried out with the favour of the fracturing plans of the shearing zone makes it possible to explain the formation of the alveoli. The inversion of relief results from a weaker érosion of the rocks made more résistant to this place by the quartz seam mainstay and by the ferruginisation along the shearing zone. In the other hand, the crushed rocks, become porous, drained the infiltrations of meteoric water, facilitating the dissolution processes. The study of the site of Guéssédoundou shows that karstic phenomena can also exist in silico-aluminous formations of crystalline rocks [less ▲]

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See detailIntegral and derivative dispersion relations in the analysis of the data on p p and anti-p p forward scattering
Cudell, Jean-René ULg; Martynov, E.; Selyugin, Oleg V

in Ukrainian Journal of Physics (2003), 48(Nos. 11- 12, 2003),

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See detailDeficient splines wavelets
Bastin, Françoise ULg; Laubin, P.; Kerner, R. et al

in Group 24 : Physical And Mathematical Aspects Of Symmetries (2003), 173

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See detailLevels of PCDDs, PCDFs and PCBs in International Fast Food Samples
Focant, Jean-François ULg; Pirard, Catherine ULg; De Pauw, Edwin ULg

in Organohalogen Compounds (2003), 60-65

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See detailSynthesis of [18F]fluorinated a-methyl-a-amino acids by phase transfer catalysis for potential PET application.
Wouters, L.; Lemaire, Christian ULg; Plenevaux, Alain ULg et al

in Journal of Labelled Compounds & Radiopharmaceuticals (2003), 46

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See detailSimple device for the radiosynthesis of [carbonyl-11C]amides, esters and ketones using carbon-11 monoxide.
Brichard, L.; Del Fiore, G.; Lemaire, Christian ULg et al

in Journal of Labelled Compounds & Radiopharmaceuticals (2003), 46

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See detailDétermination des acides aminés limitants chez le taurillon BBBc recevant une ration à base d'ensilage de maïs
Frand, Xavier; Froidmont, Eric; Beckers, Yves ULg et al

in Rencontres autour des Recherches sur les Ruminants (2003), 10

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See detailSmoothing the TCP rate by learning the delay versus window size dependency
El Khayat, Ibtissam; Leduc, Guy ULg

in Lecture Notes in Computer Science (2003), 2899

We propose TCP-L, an improved version of TCP, equipped with a learning algorithm whose purpose is to avoid probing for additional bandwidth when the network conditions are known to be unfavourable. TCP-L ... [more ▼]

We propose TCP-L, an improved version of TCP, equipped with a learning algorithm whose purpose is to avoid probing for additional bandwidth when the network conditions are known to be unfavourable. TCP-L learns the relationship between its current (average) one-trip delay and its current window size when congestion occurs, leading to packet loss. After the learning phase, TCP-L will only probe for bandwidth by increasing its window if, under the current network conditions (measured by the one-trip delay), this inflated window has not previously created congestion. Simulations show that after the learning phase, TCP-L reaches a much more stable throughput, while remaining TCP-friendly, which makes it usable for a larger class of applications, including some multimedia applications that will benefit from that stability. TCP-L is a simple backward compatible extension of TCP which can thus be deployed progressively. We show that there is a benefit for the Internet to deploy TCP-L, because the overall traffic becomes smoother when the proportion of TCP-L flows increases. Finally, our learning component can also be easily embedded in other unicast or multicast transport protocols. [less ▲]

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See detailWhole-body FDG PET in the follow-up of pediatric patients with lymphoma.
DE BARSY; DEPAS, G.; DRESSE, MF. et al

in Journal of Nuclear Medicine (The) (2003), 44

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See detailOxytocin and vasopressin autocrine/paracrine signaling in small cell lung carcinoma
Pequeux, Christel ULg; Keegan, B. P.; Hagelstein, Marie-Thérèse ULg et al

in International Journal of Molecular Medicine (2003), 12/S1

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See detailRadiosynthesis of 7-[18F]fluoroindole derivatives.
Otabashi, Muhammad ULg; Giacomelli, Fabrice ULg; Lemaire, Christian ULg et al

in Journal of Labelled Compounds & Radiopharmaceuticals (2003), 46

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See detailP2X1-induced activation of Ca2+ calmodulin leads to myosin light chain and ERK2 phosphorylation in human platelets.
Toth-Zsamboki, Emese; Oury, Cécile ULg; De Vos, Rita et al

in Journal of Thrombosis and Haemostasis [=JTH] (2003)

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See detailGlycoprotein Ib and integrin alphaIIbbeta3 contribute to GPVI-dependent vWF-collagen induced thrombus formation under flow
Kuijpers, Marijke; Oury, Cécile ULg; Schulte, V. et al

in Journal of Thrombosis and Haemostasis [=JTH] (2003)

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See detailDioxins, furans and dioxin-like PCBs in juvenile harbour porpoises (Phocoena Phocoena) from the North sea
Beans, Cristina; Debacker, Virginie ULg; Jauniaux, Thierry ULg et al

in Organohalogen Compounds (2003)

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See detailAnalysis of PCDD/Fs in human blood plasma using CALUX bioassay and GC-HRMS: a comparison
Van Wouwe, Nathalie; Eppe, Gauthier ULg; Xhrouet, Céline ULg et al

in Organohalogen Compounds (2003)

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See detailSelective adsorption of dioxins and PCBs from marine oils on activated carbon
De Meulenaer, Bruno; Maes, Jeroen; Van Heerswynghels, Peter et al

in Organohalogen Compounds (2003)

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See detailValidation and discussion of CALUX analysis for marine samples
Windal, Isabelle; Van Wouwe, Nathalie; Carbonnelle, Sophie et al

in Organohalogen Compounds (2003)

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See detailCandida albicans cheilitis in guinea pig may be caused by commensal strains carried in the lower genital tract
Mignon, Bernard ULg; Symoens, F.; Losson, Bertrand ULg

in Veterinary Dermatology (2003), 14(5), 242

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See detailA longitudinal study of isokinetic characteristics of young athletes and prevention of muscular and joint injury: Preliminary results - Abstract
Amato, M.; Afriat, P.; Portero, P. et al

in Isokinetics & Exercise Science (2003), 11(1), 53-54

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See detailEmplacement of the Lyngdal granodiorite (SW Norway) at the brittle-ductile transition in a hot crust
Bogaerts, Michel; Scaillet, Bruno; Vander Auwera, Jacqueline ULg

in Geophysical Research Abstracts (2003), 5

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See detailSmall mafic intrusions as indicators of downslope draining of dense residual liquids in anorthositic diapirs
Vander Auwera, Jacqueline ULg; Ernst, Gérald; Weis, Dominique et al

in Geophysical Research Abstracts (2003), 5

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See detailLa voie transobturatrice de dedans en dehors: Considérations anatomiques
Bonnet, Pierre ULg; Waltregny, David ULg; de Leval, Jean ULg

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See detailEvaluation of classical NSAIDS on COX-1 and COX-2 purifies enzymes and prognosis of their effects on physiological responses.
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in Fundamental & Clinical Pharmacology (2003), 14

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See detailA dual thromboxane inhibitor and thromboxane receptor antagonist prevents pig myocardial infarction induced by coronary thrombosis
Rolin, S.; Petein, M.; Tchana-Sato, Vincent ULg et al

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See detailWhole-body FDG PET imaging as a method for staging and early assessment of treatment response in pediatric patients with lymphoma.
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in Journal of Nuclear Medicine (The) (2003), 44

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See detailAnti-inflammatory effect of natural proanthocyanidins: pharmacological evaluation on in vivo models.
Garbacki, Nancy ULg; Tits, Monique ULg; Damas, Jacques ULg

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See detailActivation and inactivation of bradykinin in rats.
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See detailTolérance sur la valeur de l’angle d’inclinaison du détecteur en tomoscintigraphie avec collimateur sténopé.
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See detailIncreased dioxin/PCB body burden in diabetics: findings in a population-based study in Belgium
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See detailEarly effect of strontium ranelate on clinical vertebral fractures in women with postmenopausal osteoporosis
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in BONE (2003), 32(S7), 222

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See detailQuantification of the role of mechanical parameters on the bone response around loaded titanium implants
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in European Cells and Materials (2003), 5(2), 96-97

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See detailInfluence de la taille de la matrice des projections sur la résolution et l’uniformité en tomoscintigraphie avec collimateur sténopé.
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in Médecine Nucléaire : Imagerie Fonctionnelle et Métabolique (2003), 27(9), 460

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See detailAdded value of whole body 18FDG PET imaging in monitoring uterine cancers.
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See detailLes écrivains engagés et le réalisme socialiste (1944-1953)
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See detailOverexpression of the platelet P2X1 ion channel in transgenic mice generates a novel prothrombotic phenotype.
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See detailOnce weekly alendronate produces a greater increase in bone mineral density than daily risedronate
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