References of "Unpublished conference"
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See detailL’empreinte de Brecht en Belgique
Delhalle, Nancy ULg

Conference (2000, October 20)

Detailed reference viewed: 6 (1 ULg)
See detailL'hypertension artérielle systolique isolée
Krzesinski, Jean-Marie ULg

Conference (2000, October 18)

Detailed reference viewed: 7 (0 ULg)
See detailL'hypertension artérielle systolique isolée
Krzesinski, Jean-Marie ULg

Conference (2000, October 18)

Detailed reference viewed: 3 (0 ULg)
See detailLocal buckling in case of fire
Franssen, Jean-Marc ULg; Talamona, Didier

Conference (2000, October 13)

Detailed reference viewed: 11 (0 ULg)
See detailMulticriteria and multiactors aspects of an interactive tool aiding to sketch the building envelope during the first stages of the architectural design
Hauglustaine, Jean-Marie ULg

Conference (2000, October)

The main objective of the present study is to introduce a rational method of aiding to design the envelope of a building, during the sketch design. The design method has for both objectives the respect of ... [more ▼]

The main objective of the present study is to introduce a rational method of aiding to design the envelope of a building, during the sketch design. The design method has for both objectives the respect of building costs (for the construction itself and in use), and the improvement of the energy performance. In the multicriteria and multiactors context, this interactive tool is using decision-making aids, in order to improve the architectural response to the client’s and regulations requirements, while aiding: - the project authors in their conception tasks, by making up the project architectural forces, in accordance with the actors’ objectives; - and the client in his participation in the multiple partners negotiation. [less ▲]

Detailed reference viewed: 28 (0 ULg)
See detailObservations of substorm auroras from the IMAGE spacecraft
Frey, H. U.; Mende, S. B.; Lampton, M. et al

Conference (2000, October)

See detailFar ultraviolet imaging of the aurora: new directions
Mende, S. B.; Frey, H. U.; Lampton, M. et al

Conference (2000, October)

Detailed reference viewed: 1 (0 ULg)
See detailLa jurisprudence de la Cour d'arbitrage
Bourgeois, Marc ULg

Conference (2000, October)

Detailed reference viewed: 7 (1 ULg)
See detailQuality assurance: experience of an university
Chapelle, Jean-Paul ULg

Conference (2000, September 26)

Detailed reference viewed: 2 (0 ULg)
See detailEtude INSIGHT – présentation des résultats
Krzesinski, Jean-Marie ULg

Conference (2000, September 24)

Detailed reference viewed: 5 (3 ULg)
See detailReducing apathy and depressive mood in Alzheimer's disease: A case report
Adam, Stéphane ULg; Van der Linden, Martial ULg; Juillerat, Anne-Claude et al

Conference (2000, September 21)

Detailed reference viewed: 8 (0 ULg)
See detailHypertension artérielle et organes-cibles
Krzesinski, Jean-Marie ULg

Conference (2000, September 21)

Detailed reference viewed: 2 (0 ULg)
See detailEtudes IDNT-RENAAL
Krzesinski, Jean-Marie ULg

Conference (2000, September 20)

Detailed reference viewed: 4 (0 ULg)
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See detailSensor Data Fusion for the Measurement of Horizontal Sprayer Boom Displacement
Lebeau, Frédéric ULg; Destain, Marie-France ULg

Conference (2000, September 14)

The measurement of horizontal sprayer boom movements is an important parameter for the simulation of repartition generated by a sprayer in the dynamic environment of agricultural fields. The existing ... [more ▼]

The measurement of horizontal sprayer boom movements is an important parameter for the simulation of repartition generated by a sprayer in the dynamic environment of agricultural fields. The existing methods were unsatisfactory for diverse reasons as limited measurement length or insufficient accuracy. Two different sensor data fusion methods were evaluated as input for a model aimed at predicting longitudinal spray deposit. A combination of radar and two accelerometers measurements was found more suited than laser and radar measurements combined in predicting spray repartition. [less ▲]

Detailed reference viewed: 15 (1 ULg)
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See detailRelationship between habitat structure and the mobility of brown trout in a small stream.
Ovidio, Michaël ULg; Brucy, Claire; Philippart, Jean-Claude ULg et al

Conference (2000, September)

Detailed reference viewed: 12 (2 ULg)
See detailMathieu Crickboom en Espagne
Pirenne, Christophe ULg

Conference (2000, August 25)

Detailed reference viewed: 134 (0 ULg)
See detailLe toucher de notre voix
Servais, Christine ULg

Conference (2000, August 23)

Detailed reference viewed: 2 (1 ULg)
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See detailSynthesis of new hydrophilic γ-substituted poly-ε-caprolactones
Lecomte, Philippe ULg; D'aloia, Violetta; Mazza, Michaël et al

Conference (2000, August 20)

Detailed reference viewed: 12 (0 ULg)
See detailLes châsses majeures du XIIIe siècle
Van den Bossche, Benoît ULg

Conference (2000, August 17)

Detailed reference viewed: 5 (0 ULg)
See detail"L'étrangeté du cours de langues étrangères dans le cadre scolaire"
Defays, Jean-Marc ULg

Conference (2000, August)

Detailed reference viewed: 21 (2 ULg)
See detailEFFECT OF CO2 INJECTION IN THE COMBUSTION AIR ON THE PERFORMANCE OF A HOT WATER DOMESTIC FUEL OIL BOILER
Milovanovic, Nebojsa; Ngendakumana, Philippe ULg

Conference (2000, August)

In order to investigate the effect of CO2 addition in the combustion air of a yellow flame burner, tests have been performed during which different volume flow rates of CO2 have been injected. For all the ... [more ▼]

In order to investigate the effect of CO2 addition in the combustion air of a yellow flame burner, tests have been performed during which different volume flow rates of CO2 have been injected. For all the tests performed, the burner consumption and the oxygen mole fraction in the flue gas have been kept quite constant, say at about 240 kW and 1.8 % (on dry basis) respectively. For the interpretation of the flame radiation results, tests have also been performed with N2 injection. The results gathered (for CO2 and N2 addition up to 4.8 % and 7.4 % in volume respectively) show that the thermal efficiency and the CO emission of the boiler are not affected. For small amounts of CO2 or N2 volume flow rates, there is a slight decrease of the NOx emission and the flame radiation. If the quantity of the additive is increased above a critical value, the flame becomes unstable and one observes first a sudden increase of the NOx emission and the flame radiation and then a decrease. That sudden increase is explained by the change of the flame shape and geometry. [less ▲]

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See detailRelativisme et pluralisme : l’apport de la psychologie de Jean Piaget à la sociologie politique
Fournier, Bernard ULg

Conference (2000, July 31)

Recent developments in theory insist on the existence of a plurality of individual realities within the same social group. However, the logic of understanding used to analyse these realities in the ... [more ▼]

Recent developments in theory insist on the existence of a plurality of individual realities within the same social group. However, the logic of understanding used to analyse these realities in the empirical research still relies too much on a univocal perspective in which the concepts are perceived to be homogeneous. This manner of approaching reality legitimates the linear explanations of attitudes and individual behaviours. But a reflection on the effective processes of constructing the individual worlds of reference based on a psychological perspective strongly challenges this logic. Thus, the works of Jean Piaget clearly show that the individual is not a passive being in the dynamics of appropriating the world, but that he or she assimilates the social context, accommodates it to what he or she already understands and thereby transforms it. This theoretical framework opens the path to an interesting form of conceptual relativism where every concept has to be replaced into the context as it is structured by the individuals’ worlds of reference. This relativity presents a challenge to empirical research: Which principle of synthesis would allow us to respect the theoretical plurality proposed by the piagetian interpretation? So far, we have mostly used a methodology based on the classificatory approach in our research, but we are by now more aware of its limitations as well. [less ▲]

Detailed reference viewed: 21 (3 ULg)
See detailVariations saisonnières des isotopes stables du carbone (13C) et de l'azote (15N) dans un réservoir mésotrophe
Hoffman, Lucien; Willame, Raphaël; Thys, Isabelle et al

Conference (2000, July 17)

Detailed reference viewed: 3 (0 ULg)
See detailMulti- Sensor 3D Image Fusion and Interactive Search
Ross, William; Waxman, Allen M.; Streilein, William et al

Conference (2000, July)

Detailed reference viewed: 1 (0 ULg)
See detailSguardi sui non luoghi
Benzoni, Pietro ULg

Conference (2000, June 28)

Detailed reference viewed: 3 (0 ULg)
See detailQualité de vie et médecine comportementale
Etienne, Anne-Marie ULg

Conference (2000, June 17)

Detailed reference viewed: 3 (1 ULg)
See detailNoèse, monde de la vie et voir comme
Leclercq, Bruno ULg

Conference (2000, June 15)

Detailed reference viewed: 12 (2 ULg)
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See detailApport des isotopes stables du carbone et de l’azote dans l’étude des réseaux trophiques
Bouquegneau, Jean-Marie ULg; Das, Krishna ULg; Gobert, Sylvie ULg et al

Conference (2000, June 13)

Trois types de producteur primaire prolifèrent dans la zone photique côtière méditerranéenne. En dehors des zones d’upwelling et des apports côtiers naturels ou d’origine anthropique, le bloom ... [more ▼]

Trois types de producteur primaire prolifèrent dans la zone photique côtière méditerranéenne. En dehors des zones d’upwelling et des apports côtiers naturels ou d’origine anthropique, le bloom phytoplantonique est de courte durée et les eaux méditerranéennes sont très claires. Les algues benthiques ont une biomasse relativement faible et le principal producteur primaire est l’herbier à Posidonia oceanica (L.) Delile. Cet herbier constitue un écosystème complexe, d’une importance cruciale pour l’équilibre côtier (maintien des côtes, production d’oxygène, plusieurs milliers d’espèces y sont inféodées…). Son influence se fait également ressentir bien au-delà de sa limite de distribution (exportation vers les zones profondes). Les feuilles et les épiphytes de l’herbier sont à la base de nombreuses chaînes trophiques. Les rapports isotopiques (13C/12C et 15N/14N) mesurés dans les tissus d’un animal reflètent ceux de son alimentation avec un léger enrichissement d’un niveau trophique à un autre. Cet discrimination en faveur des isotopes lourds est de l’ordre 30/00 pour le 15N et de 10/00 pour le 13C. Les rapports 15N/14N permettent donc la détermination de la position trophique d’un organisme. Les rapports 13C/12C sont plutôt de bons indicateurs des sources de production primaire. L’application de cette technique au cas d’un herbier à P. oceanica, a permis sur base des rapports 13C/12C de distinguer trois sources primaires de nourriture: la matière particulaire en suspension, les algues (épiflore de P. oceanica et macroalgues) et P. oceanica. Les rapports isotopiques 13C/12C et 15N/14N de différentes catégories trophiques d’organismes capturés dans l’herbier et dans une communauté épilithe adjacente suggèrent que les sources de nourriture sont semblables dans les deux communautés: la matière particulaire en suspension et les algues. La communauté épiphyte des feuilles de posidonie est une source de nourriture très importante pour les organismes de la canopée de l’herbier. Les posidonies ne représentent qu’une partie mineure du régime alimentaire des organismes étudiés à l’exception des holothuries et du téléostéen herbivore Sarpa salpa. Ce poisson est l’un des consommateurs principaux de posidonie vivantes mais la majorité de sa nourriture provient de matériel algal. Les holothuries psamivores assimilent massivement des détritus issus de P. oceanica et jouent ainsi un rôle clé dans le recyclage in situ de ce matériel. La disponibilité en nutriments, en particulier de l'azote inorganique, est un des facteurs majeurs déterminant la dynamique des écosystèmes à phanérogames marines. Le budget en azote de ces plantes est très complexe car elles ont la capacité d'incorporer les nutriments dissous dans la colonne d'eau et dans l'eau interstitielle du sédiment. De plus, le recyclage interne de l'azote est souvent considéré comme un processus clé pour assurer les besoins de la plante. Des expériences utilisant l'isotope 15 de l'azote comme traceur nous ont permis de mesurer in situ l'incorporation de nitrate et d'ammonium ainsi que le recyclage interne de l'azote par P. oceanica. L'incorporation d'azote exogène par les feuilles ne représenterait que 25% des besoins annuels en azote de la plante et le recyclage 40%. Par différence, nous pouvons estimer que l'incorporation d'azote par les racines représenterait environ 35% des besoins annuels en azote de la plante. Nos études isotopiques se sont également avérées particulièrement intéressantes dans la compréhension des processus de transfert de matières organiques ou de polluants au niveau des échelons trophiques supérieurs (thons et dauphins de l’Atlantique nord et mammifères marins de la Mer du Nord). En effet, au sein d’un même écosystème peuvent coexister différentes espèces de prédateurs nécessitant des ressources similaires. L’analyse simultanée des isotopes stables du carbone et de l’azote a permis une définition plus fine de l’écologie alimentaire de ces espèces. [less ▲]

Detailed reference viewed: 63 (3 ULg)
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See detailRéflexions sur le nursing en périodes obstétricale et néonatale
Battisti, Oreste ULg

Conference (2000, June 10)

Detailed reference viewed: 10 (0 ULg)
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See detailQuelques pistes méthodologiques pour développer des compétences d'autoformation chez des apprenants à l'université. Communication présentée au colloque du CNAM sur l'auto-formation, Paris
Denis, Brigitte ULg; Leclercq, Dieudonné ULg

Conference (2000, June)

Cet article traite de la mise en œuvre de diverses pratiques pédagogiques visant à développer des compétences utiles à l'autoformation chez des étudiants universitaires. L'enjeu est d'amener ces derniers ... [more ▼]

Cet article traite de la mise en œuvre de diverses pratiques pédagogiques visant à développer des compétences utiles à l'autoformation chez des étudiants universitaires. L'enjeu est d'amener ces derniers à prendre en charge une ou plusieurs phases du processus d'autoformation (Leclercq et Denis, 1995). Différents contextes sont pris en compte : cours dans de grands auditoires (200 à 500 étudiants), en petits groupes (10 à 15) ou en groupes de taille moyenne (30 à 40). Différents scénarios pédagogiques qui tous favorisent un apprentissage actif et le développement de compétences utiles pour devenir un bon auto-apprenant combinent certains des six paradigmes d'apprentissage/enseignement définis par Leclercq et Denis (1998). Ces scénarios sont la méthode des exposés structurés, l'amphithéâtre électronique, l'apprentissage collaboratif basé sur des problèmes et les PARM (Projets d'Animation Réciproques Multimédias). Les auteurs indiquent dans quelle mesure ces stratégies pédagogiques contribuent à faire atteindre des objectifs répondant aux diverses phases du processus d'auto-formation : définition des besoins d'apprentissage, définition d'un projet personnel de formation, fixation d'un plan d'action, action de formation, auto-évaluation et décisions éventuelles d'auto-régulation du processus. Un modèle d'architecture des compétences à faire acquérir par les apprenants (Leclercq, 1987) est proposé et mis en relation avec les scénarios pédagogiques expérimentés. Il traite à la fois de compétences transversales et spécifiques. Quatre niveaux sont distingués : les compétences dynamiques se rapportent à la motivation des apprenants, à leur représentation d'eux-mêmes en tant qu'individus capables d'apprendre ; les compétences stratégiques relèvent entre autres de conduites de résolution de problèmes, de la planification des tâches, des interactions sociales et de la métacognition ; les compétences démultiplicatrices sont celles qui permettent d'accéder à de nouveaux savoirs ; les compétences spécifiques sont liées à des contenus, des procédures, généralement non transférables. Une liste de compétences techniques permettant aux apprenants de situer leurs apprentissages et d'auto-évaluer leur maîtrise de divers outils technologiques - utiles notamment dans la mise en œuvre de formations à distance - est également décrite ainsi que son utilisation pratique (Denis, 2000). [less ▲]

Detailed reference viewed: 196 (9 ULg)
See detailEndogenous Growth and Regional Dynamics in an OLG Model with Land
Artige, Lionel ULg

Conference (2000, June)

Detailed reference viewed: 17 (4 ULg)
See detailMulti-Sensor Image Fusion: 3D Visualization and Search Agents
Waxman, Allen M.; Ross, William; Streilein, William et al

Conference (2000, June)

Detailed reference viewed: 5 (0 ULg)
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See detailAide à la délimitation de zones de calamités.
Dehem, D.; Tychon, Bernard ULg; Oger, R. et al

Conference (2000, May 31)

Detailed reference viewed: 4 (0 ULg)
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See detailThe Belgian crop growth modelling system (B-CGMS). Contribution of remote sensing.
Eerens, H.; Tychon, Bernard ULg; Dehem, Didier et al

Conference (2000, May 31)

Detailed reference viewed: 6 (2 ULg)
See detailModelling zooplankton impacts on sedimentation
Darchambeau, François ULg

Conference (2000, May 28)

Detailed reference viewed: 2 (1 ULg)
See detailErreurs de catégorie et erreur de catégoriser
Leclercq, Bruno ULg

Conference (2000, May 06)

Detailed reference viewed: 8 (0 ULg)
See detailNew Version of the Catalytic Asymmetric Dihydroxylation
Colaux, Catherine ULg

Conference (2000, May)

Detailed reference viewed: 1 (0 ULg)
See detailMulti- sensor Image Fusion for Efficient Color 3D Site Visualization and Rapid Analysis Utilizing Search Acceleration Algorithms
Ross, William; Waxman, Allen M.; Streilein, William et al

Conference (2000, May)

Detailed reference viewed: 4 (0 ULg)
See detailSAR Frequency-Polarization-Resolution Tradeoffs
Verly, Jacques ULg

Conference (2000, May)

Detailed reference viewed: 3 (0 ULg)
See detailAn Interactive Mining Tool Utilizing an Extension of Fuzzy ARTMAP for Efficient Exploitation and Enhanced Visualization of Multi-sensor Imagery
Streilein, William; Waxman, Allen M.; Ross, William et al

Conference (2000, May)

Detailed reference viewed: 3 (0 ULg)
See detailThe age, a tool for understanding complex fluid flows
Deleersnijder, E.; Beckers, Jean-Marie ULg; Campin, J.-M. et al

Conference (2000, May)

Detailed reference viewed: 3 (2 ULg)
See detailIkonographie des Strassburger Münsters
Van den Bossche, Benoît ULg

Conference (2000, April 08)

Detailed reference viewed: 9 (0 ULg)
See detailPreparation of mebendazole HP-b-cyclodextrin complexes using water soluble polymers and organic acids
Alvarez, Covadonga; Van Hees, Thierry ULg; Piel, Géraldine ULg et al

Conference (2000, April)

Detailed reference viewed: 16 (1 ULg)
See detailA case of nasal aspergillosis secondary to an impacted canine tooth in a belgian sheperd dog
Saunders, Jimmy; Van Bree, Henri; Clercx, Cécile et al

Conference (2000, April)

Detailed reference viewed: 2 (0 ULg)
See detailPhénomènes lumineux dans le ciel
Biémont, Emile ULg

Conference (2000, April)

Detailed reference viewed: 2 (0 ULg)
See detailLa progression au sein de la narration en néo-égyptien
Winand, Jean ULg

Conference (2000, March 30)

Detailed reference viewed: 6 (0 ULg)
See detailLes migrations scolaires en 1991 : analyse des disparités territoriales
Halleux, Jean-Marie ULg

Conference (2000, March 30)

Detailed reference viewed: 2 (0 ULg)
See detailSpeech therapy for Opera Singers
Morsomme, Dominique ULg

Conference (2000, March 25)

Detailed reference viewed: 10 (3 ULg)
See detailAccréditation des laboratoires de Biologie clinique
Chapelle, Jean-Paul ULg

Conference (2000, March 20)

Detailed reference viewed: 13 (0 ULg)
See detailL'ostéoporose: une maladie qui s'évite
Bruyère, Olivier ULg

Conference (2000, March 18)

Detailed reference viewed: 6 (2 ULg)
See detailIntérêt de la CRPus dans l'angioplastie transluminale
Chapelle, Jean-Paul ULg

Conference (2000, March)

Detailed reference viewed: 34 (1 ULg)
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See detailLa Problématique des Dioxines, Furannes et PCBs
Focant, Jean-François ULg; De Pauw, Edwin ULg

Conference (2000, March)

Detailed reference viewed: 2 (0 ULg)
See detailPlace des examens d'urine dans la biologie clinique actuelle
Chapelle, Jean-Paul ULg; Melin, Pierrette ULg; Philippe, M.

Conference (2000, February 10)

Detailed reference viewed: 2 (0 ULg)
See detailEating and Body Representations and practices in adolescence. Preliminary Results.
D'Amore, Salvatore ULg

Conference (2000, February 01)

Detailed reference viewed: 15 (1 ULg)
See detailLes esters de l’acide 6-(acétoxyméthyl)-2-oxo-2H-1-benzopyrane-3-carboxylique en tant qu’agents antiinvasifs potentiels dans le traitement du cancer
Kempen, I.; Pochet, L.; Doucet, C. et al

Conference (2000, January 28)

Detailed reference viewed: 4 (2 ULg)
See detailLogique et grammaire chez Husserl et Wittgenstein
Leclercq, Bruno ULg

Conference (2000, January 25)

Detailed reference viewed: 5 (0 ULg)
See detailUSE OF FLUORESCENTLY LABELLED PROTOZOANS TO INVESTIGATE THE PREDATION OF ROTIFERS ON PROTOZOOPLANKTON
Joaquim-Justo, Célia ULg; Detry, Cédric ULg; Thomé, Jean-Pierre ULg

Conference (2000, January 16)

The importance of trophic relationships between rotifers and protozoans in rivers are not yet well known, but as some authors have shown during the last decade, the predation exerted by rotifers on these ... [more ▼]

The importance of trophic relationships between rotifers and protozoans in rivers are not yet well known, but as some authors have shown during the last decade, the predation exerted by rotifers on these organisms might be of importance in the transfer of energy from the pico- and nanoplankton to the metazooplankton. Fluorescent polycarbonate beads of 0.45 µm in diameter were used to label the ciliate Tetrahymena pyriformis. Different combinations of labelling times and concentrations of microspheres were tested to achieve an optimal labelling of the ciliates (i.e. a maximal proportion of individuals having ingested the same number of microspheres). Live labelled Tetrahymena pyriformis were used to determine both the gut passage time and the ingestion rate of the rotifer Brachionus calyciflorus. The ingestion rates measured with relatively high densities of ciliates (from 30 to 500 cells.ml-1) were on average of 30 cells.ind-1.day-1. The ingestion rates yielded by this method were compared with ingestion rates measured by assessing the disappearance of the ciliates in experimental media during 5-6 hour incubations. Results from both methods were comparable but the use of fluorescently labelled prey items produced less variable results. [less ▲]

Detailed reference viewed: 16 (0 ULg)
See detailCardiac markers: an update
Chapelle, Jean-Paul ULg

Conference (2000, January)

Detailed reference viewed: 2 (0 ULg)
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See detailPalaeozoic palynology of the Kingdom Saudi-Arabia
Al-Hajri, S.; Al-Ruwaili, M.; Clayton, G. et al

Conference (2000)

GeoArabia Special Publication 1 <br /> <br />Knowledge of the Palaeozoic biostratigraphy of the Arabian Peninsula, situated close to the northern margin of Gondwana, was poorly known until a joint special ... [more ▼]

GeoArabia Special Publication 1 <br /> <br />Knowledge of the Palaeozoic biostratigraphy of the Arabian Peninsula, situated close to the northern margin of Gondwana, was poorly known until a joint special project was held by the Saudi Arabian Oil Company (Saudi Aramco) and the Commission Internationale de Microflore du Paléozoïque (CIMP) in 1990. Prior to that only a small number of investigations had been published. Few efforts had been made to exploit the strati-graphic potentials of the many undescribed indigenous microfossils. The joint Saudi Aramco-CIMP project was designed to reverse that situation. Comprehensive studies were carried out on a range of microfossil groups throughout the Palaeozoic and results were published in 1995. <br /> <br />The 13 papers presented in this GeoArabia Special Publication update those initial findings. They clearly indicate the potential for these palynomorph assemblages to not only to provide a method for well-to-well correlations within Saudi Arabia, but also for establishing the palaeo-biogeographical relationships of the Arabian Plate relative to adjacent landmasses. The conclusions that are proposed here can now be compared with datasets throughout North Africa and with the central and southern parts of South America. <br /> <br />Editors: Sa’id Al-Hajri and Bernard Owens <br />231 pages <br />40 plates/62 illustrations [less ▲]

Detailed reference viewed: 21 (6 ULg)
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See detailGroundwater pollution in an agricultural catchment on sandstone : evaluation of water and nitrogen losses from soils.
Lecomte, Marielle; Salvia, Merce; Iffly, Jean-François et al

Conference (2000)

Detailed reference viewed: 3 (1 ULg)
See detailLocal buckling of structures in case of fire
Franssen, Jean-Marc ULg; Talamona, Didier

Conference (2000)

Detailed reference viewed: 7 (1 ULg)
See detailPalynological characterization and dating of the Tiangua Formation, Serra Grande Group, Paranaiba Basin, northern Brazil
Quadros, L. P.; Grahn, Y.; Melo, J. H. G. et al

Conference (2000)

Detailed reference viewed: 6 (2 ULg)
See detailDetection of the 67-kD laminin receptor in prostate cancer biopsies as a predictor of recurrence after radical prostatectomy
Waltregny, David ULg; de Leval, Laurence ULg; Coppens, Luc ULg et al

Conference (2000)

INTRODUCTION & OBJECTIVES: The identification of reliable prognostic indicators for prostate cancer (PC) is a major challenge of today cancer research. The 67-KD laminin receptor (67LR) is a cell surface ... [more ▼]

INTRODUCTION & OBJECTIVES: The identification of reliable prognostic indicators for prostate cancer (PC) is a major challenge of today cancer research. The 67-KD laminin receptor (67LR) is a cell surface associated molecule whose increased expression is associated with the aggressiveness of a variety of human cancers. We recently showed that 67LR detection in PC tissues from radical prostatectomy (RP) specimens was an independent predictor of biochemical relapse in patients with clinically localized PC (JNCI, 89:1224-1227, 1997). In this study, we assessed 67LR detection in diagnostic biopsies as a predictor of biochemical relapse after RP. MATERIAL & METHODS: A total of 151 patients with clinically confined PC underwent RP. PC tissue sections from both biopsy and RP specimens were immunohistochemically analyzed for 67LR expression. The importance of 67LR expression was evaluated according to the intensity and extent of the staining. Preoperative and postoperative clinicopathological parameters, including 67LR expression, were correlated with each other and tested as predictors of biochemical relapse. RESULTS: 67LR was detected in 67.5% and 68.2% of biopsies and RPs, respectively. 67LR detection in RP specimens was an independent predictor of relapse. The level of 67LR expression in the biopsy was significantly associated with the biopsy Gleason score (p<0.05) but failed to predict the pathological stage (p>0.1). Biochemical progression-free estimates for patients whose biopsy did or did not express the protein differed with only borderline statistical significance (p=0.05). Multivariate analysis identified biopsy Gleason score as the only independent preoperative predictor of recurrence. Significant discrepancies in levels of 67LR expression were found between matched biopsy and RP specimens, with exact agreement rates <40% (p<0.05). CONCLUSIONS: 67LR detection in PC biopsies was not a significant preoperative predictor of outcome after RP. Heterogeneity of 67LR expression and biopsy sampling errors most likely represented the main raisons for discordant prognostic results depending on whether 67LR expression was evaluated either in biopsies or in RPs. [less ▲]

Detailed reference viewed: 12 (2 ULg)
See detailLochkovian (early Lower Devonian) acritarchs and miospores from the Solimões Basin, northern Brazil
Rubinstein, C. V.; Le Hérissé, A.; Steemans, Philippe ULg

Conference (2000)

Detailed reference viewed: 2 (0 ULg)
See detailExperimental and theoretical investigations of the electrical properties of undoped and magnesium-doped GaN layers
Nguyen, Ngoc Duy ULg; Germain, Marianne; Schmeits, Marcel et al

Conference (2000)

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See detailSupernumerary outer hair cells arise external to the last row of sensory cells in the neonatal organ of Corti
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