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See detailThe business failure process : an integrative model
Crutzen, Nathalie ULg

Conference (2008, February)

Detailed reference viewed: 31 (8 ULg)
See detailLes attitudes des jeunes de 15 ans à l’égard des sciences.
Baye, Ariane ULg

Conference (2008, January 29)

Detailed reference viewed: 2 (1 ULg)
See detailLe traitement de l'ostéoporose de la femme jeune
Bruyère, Olivier ULg

Conference (2008, January 26)

Detailed reference viewed: 8 (3 ULg)
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See detailOsteogenesis imperfecta
Kaux, Jean-François ULg

Conference (2008, January 25)

Detailed reference viewed: 60 (26 ULg)
Peer Reviewed
See detailDonner la parole aux exclus au théâtre, analyse d’une expérience Belge.
Brahy, Rachel ULg

Conference (2008, January 23)

Detailed reference viewed: 25 (8 ULg)
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See detailA profitable pickup and delivery problem with time windows
Arda, Yasemin ULg; Crama, Yves ULg; Pironet, Thierry ULg

Conference (2008, January 18)

In most pickup and delivery problems, usually the aim is to minimize either the trip length or duration or the fleet size. Transportation orders or customers are finite sets which should be performed or ... [more ▼]

In most pickup and delivery problems, usually the aim is to minimize either the trip length or duration or the fleet size. Transportation orders or customers are finite sets which should be performed or visited integraly. So, the total earning is supposed to be constant. Conversely, the costs related to trip length or duration or either to the fleet size are consequences of the operations management efficiency. Therefore, typically the objective function is reduced to a cost minimization. On the contrary, this model tends to maximize the global profit. Let’s consider a fleet of vehicles starting at different initial times from different locations and oblige to return to their final depots before fixed maximal times. On their way-back, these vehicles are performing full-truck-load transportation between pickup and delivery points and have to respect time windows for the loading and unloading operations. Realized transportation orders add positive contributions while linking paths generate costs. In summary, the goal for the fleet resides in the selection of transportations orders among available ones while fullfilling the final time requirements and the time restrictions for the un/loading operations. [less ▲]

Detailed reference viewed: 278 (24 ULg)
Peer Reviewed
See detailThe Myth of White Earth in Uncanny Australia
Delrez, Marc ULg

Conference (2008, January 17)

Detailed reference viewed: 8 (2 ULg)
Peer Reviewed
See detailRegulating safety behaviour : job-related effects and perceived safety climate.
Hansez, Isabelle ULg; Chmiel, N.

Conference (2008, January 11)

Detailed reference viewed: 10 (1 ULg)
Peer Reviewed
See detailMeasuring a conceptual model of early turnover : a longitudinal perspective.
Bertrand, Françoise ULg; Schreurs, B.; Hansez, Isabelle ULg

Conference (2008, January 11)

Detailed reference viewed: 9 (0 ULg)
See detailHydrodynamic modelling, damage evaluation and technical adaptation measures
Dewals, Benjamin ULg

Conference (2008, January 10)

Detailed reference viewed: 5 (2 ULg)
Peer Reviewed
See detailMéthode des éléments finis et technique de perturbation pour la modélisation du contrôle non destructif par courants de Foucault
Dular, Patrick ULg

Conference (2008, January)

La méthode des éléments finis est par nature bien adaptée à la modélisation du contrôle non destructif par courants induits dans des structures à géométrie complexe. Elle peut en effet être appliquée à la ... [more ▼]

La méthode des éléments finis est par nature bien adaptée à la modélisation du contrôle non destructif par courants induits dans des structures à géométrie complexe. Elle peut en effet être appliquée à la géométrie réelle d'un système, constitué de matériaux conducteurs et magnétiques de formes complexes, pour à la fois les pièces à inspecter (régions courbes, arêtes, coins, etc.) et les sondes (avec noyaux de ferrite, bobines multiples et différentielles, etc.). Pour des raisons d'efficacité de calcul, son application brutale n'est néanmoins pas avantageuse et des simplifications ou adaptations de différentes natures sont les bienvenues. Cela est particulièrement vrai du fait de la nature très souvent tridimensionnelle des problèmes à résoudre et du caractère répétitif des calculs liés à des variations de caractéristiques géométriques et physiques. Notre méthodologie pour tendre vers une résolution efficace de tels problèmes est basée sur une approche par sous-problèmes avec calculs de perturbations de solutions associées. L'objectif est de tirer profit de résolutions antérieures plutôt que d'entamer un nouveau calcul pour chaque nouveau jeu de paramètres. Cette technique, dite de perturbation, porte sur la limitation du domaine d'étude à une portion réduite du système dans le voisinage des défauts. Le champ inconnu à calculer est plutôt directement la composante de perturbation du champ par le défaut (le champ perturbé moins le champ non perturbé), composante qui est par nature de très faible intensité devant le champ total. Des soustractions directes de champs très proches et issus de deux calculs différents, avec et sans défaut, donnent en effet lieu à d'importantes erreurs (l'erreur de discrétisation prenant le dessus sur l'écart relatif très faible des solutions avec et sans défaut, généralement inférieur à 1%), ce qui rend nécessaire l'utilisation d'un même maillage pour les calculs (présentant des erreurs de discrétisation équivalentes). La charge de calcul s'en voit alourdie, surtout par le fait que de nombreux calculs doivent s'enchaîner pour des positions relatives de sondes et défauts différentes. L'objectif des problèmes directs ainsi définis est en effet de relever des cartographies de variations d'impédances qui enrichiront la base de données d'un problème inverse devant prédire la position et la taille de défauts sur base de mesures. Le méthode de perturbation développée permet de calculer directement la déformation des courants induits due au défaut. La calcul est décomposé en un calcul sans défaut et une série de calculs de la déformation du champ magnétique, et du courant induit associé, due à des défauts de positions et de tailles différentes. Le champ non perturbé, i.e. en l'absence de défaut, est d'abord calculé sur une grande région en tirant parti d'éventuelles symétries ou de solutions analytiques. Il est ensuite appliqué comme source dans le défaut, généralement pour une série de positions et de tailles, pour un second calcul. Le transfert des sources d'un problème à un autre requiert la projection de solutions entre des espaces de discrétisation (maillages) et des discrétisations adéquates EF des champs impliqués satisfaisant certaines propriétés de conformité. Le champ perturbé peut alors être déterminé dans un domaine réduit autour du défaut, ce qui permet une discrétisation mieux adaptée à la taille du défaut, généralement très réduite par rapport au domaine entier considéré. La variation d'impédance des sondes est finalement calculée par une intégration limitée au défaut et à son voisinage immédiat. Différents exemples d'application permettront d'illustrer et de valider les différentes étapes de la méthode. [less ▲]

Detailed reference viewed: 55 (3 ULg)
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See detailLe pousse-pousse à gougouttes
Terwagne, Denis ULg; Eddi, Antonin; Fort, Emmanuel et al

Conference (2008, January)

Detailed reference viewed: 16 (0 ULg)
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See detailThe Hazar pull-apart along the East Anatolian Fault: Structure and active deformation
Hubert, Aurelia ULg; Garcia, D; Moernaut, J et al

Conference (2008, January)

Detailed reference viewed: 12 (0 ULg)
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See detailOptimal dimensioning of pipe networks: the new situation when the distribution and the transportation functions are disconnected
Bakhouya, Bouchra; de Wolf, Daniel ULg

Conference (2008, January)

In [9], De Wolf and Smeers consider the problem of the optimal dimensioning of a gas transmission network when the topology of the network is known. The pipe diameters must been chosen to minimize the sum ... [more ▼]

In [9], De Wolf and Smeers consider the problem of the optimal dimensioning of a gas transmission network when the topology of the network is known. The pipe diameters must been chosen to minimize the sum of the investment and operating costs. This two stage prob- lem was solved by application of the bundle method for nonsmooth optimization. This model does not re ect any more the current situation on the gas industry. Today, the transportation function and gas buying func- tion are separated. This work considers the new situation for the trans- portation company. The objective for the transportation company is to determine the ows in the network that minimize the energy used for the gas transport. This corresponds to the minimization of the power used in the compressors. We introduce in the investment problem new decision variables, namely the maximal power of the compressor. We present here rst results obtained on the belgian gas network and on a realistic network corresponding to a part of the french network. [less ▲]

Detailed reference viewed: 51 (4 ULg)
See detailSkipping 2 or 3 years for reproduction: the environmental determinant and the evolutionary consequences
Girondot, Marc; Georges, Jean-Yves; Guirlet, Elodie ULg

Conference (2008, January)

Detailed reference viewed: 7 (0 ULg)
Peer Reviewed
See detailObservations and comments on the Walloon Competitive Clusters
Antoine, Mélanie ULg

Conference (2008, January)

In recent years, the promotion of R&D partnerships between universities, research labs and companies has become a key feature of innovation and development public policies. However, these collaborations ... [more ▼]

In recent years, the promotion of R&D partnerships between universities, research labs and companies has become a key feature of innovation and development public policies. However, these collaborations turn out to be fragile and their management very complex. In our literature review, the congruence between the nature of innovations (i.e. their radicalness) and the cooperation practices appears as a potentially powerful explanatory factor of interfirm innovation project’s outcome. Following this hypothesis, we explore, on two case studies of projects subsidized by the Walloon Competitive Clusters program, the way actors innovate and organize their actions. Though they face similar constraints, these projects illustrate diverse configurations, not only as to the nature of innovations but also as to cooperation practices. Besides, the analysis reveals that the criteria used to characterize the nature of innovations do not necessarily form a homogeneous set of factors. Considering these observations, we try to identify the main challenges faced by both projects’ partners. [less ▲]

Detailed reference viewed: 30 (5 ULg)
See detailLe gender mainstreaming dans les politiques locales
Cornet, Annie ULg

Conference (2008, January)

Detailed reference viewed: 26 (1 ULg)
Full Text
See detailEvaluation of traffic polluting gases emissions using OR techniques: the case of the city of Tunis
Guirat, Noomen; de Wolf, Daniel ULg

Conference (2008, January)

The purpose of this paper is to show how the operations research techniques can help to evaluate the emissions of polluting gases from road traffic in urban area. Our practical study case is the center of ... [more ▼]

The purpose of this paper is to show how the operations research techniques can help to evaluate the emissions of polluting gases from road traffic in urban area. Our practical study case is the center of Tunis city. To evaluate the emissions of several polluting gases (CO, CO2, SO2, NOx, CH4 and VOC), we have combined the traffic assignment model ATESAME [1] with new module implementing the CORINAIR [2] formulas. The traffic assignment model corresponds to a static User Equilibrium model that can be computed by solving a nonlinear optimization problem (See Sheffi [5]). This nonlinear convex model can be efficiently solved by using the classical Frank Wolfe technique. The CORINAIR formulas give an expression of the unitary emissions, i.e. the emissions per kilometer, as a function of the vehicle speed and of the current temperature. Several scenarios of traffic congestion and emperature conditions have been simulated for the center of Tunis City. We present here the mains results from the simulations for the center of Tunis city. [less ▲]

Detailed reference viewed: 74 (6 ULg)
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See detailEVALUACIÓN ACÚSTICA DE PAVIMENTOS ASFÁLTICOS. MAPA DE RUIDO DE RODADURA DE CIUDAD REAL
Paje, S.E.; Bueno, M.; Vinuela, U.. et al

Conference (2008)

Detailed reference viewed: 15 (0 ULg)
Peer Reviewed
See detailLe champ d'application de la loi Breyne
Kohl, Benoît ULg

Conference (2008)

Detailed reference viewed: 4 (0 ULg)
Peer Reviewed
See detailStrained silicon on wafer level by wafer bonding: materials processing, strain measurements and strain relaxation
Reiche, M.; Moutanabbir, O.; Himcinschi, C. et al

Conference (2008)

Detailed reference viewed: 28 (1 ULg)
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See detailDistributed Collaborative Design Studio : a sketch-based environment to support rich distant collaboration. Workshop.
Safin, Stéphane ULg; Delfosse, Vincent ULg; Elsen, Catherine ULg et al

Conference (2008)

An increasing number of large scale projects requires that distant teams collaborate together remotely. At the same time, the current CAD tools only offer minimal support for partial and asynchronous ... [more ▼]

An increasing number of large scale projects requires that distant teams collaborate together remotely. At the same time, the current CAD tools only offer minimal support for partial and asynchronous interactions. The application we propose enables full synchronous and remote sketch-based collaborative design. This setup is a combination of a virtual desktop (a remote meeting table), a standard videoconference system, a gesture recognition module and a networked, real-time, collaborative drawing software (SketSha). The solution as a whole is multimodal in essence (gestures, speech, drawing…) supporting immersive remote collaborative design. [less ▲]

Detailed reference viewed: 88 (19 ULg)
Peer Reviewed
See detailProsthesis-Patient Mismatch is an independent Predictor of Short-term Mortality Following Mitral Valve Replacement.
Magne, Julien ULg; Mathieu, P; Dumesnil, JG et al

Conference (2008)

Detailed reference viewed: 3 (0 ULg)
See detailLa nostalgie du passé colonial belge. Approche comparative
Rubbers, Benjamin ULg

Conference (2008)

Detailed reference viewed: 42 (4 ULg)
Peer Reviewed
See detailL’insulte « socialement correcte » ?
Meunier, Deborah ULg

Conference (2008)

Detailed reference viewed: 16 (0 ULg)
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See detailRecent palynological data in the Hautes-Fagnes, Belgium
Streel, Maurice ULg; Damblon, Freddy ULg

Conference (2008)

Detailed reference viewed: 13 (1 ULg)
Peer Reviewed
See detailBetter use a mirror when assessing visual pursuit
Vanhaudenhuyse, Audrey ULg

Conference (2008)

Detailed reference viewed: 4 (1 ULg)
See detailEvidence for a mitochondrial synthesis of thiamine triphosphate in the rat brain
Gangolf, M; Wins, P; Thiry, Marc ULg et al

Conference (2008)

Detailed reference viewed: 6 (0 ULg)
Peer Reviewed
See detailScaffolds for bone tissue engineering: design, production and evaluation
Schrooten, Jan; Impens, Saartje; Chen, Y. et al

Conference (2008)

Detailed reference viewed: 8 (0 ULg)
See detailTowards a new definition of Cooksonia Lang, 1937
Gonez, Paul ULg; Gerrienne, Philippe ULg

Conference (2008)

Detailed reference viewed: 6 (0 ULg)
Peer Reviewed
See detailPhotodegradation of bacteria on TiO2 thin films produced by sol-gel method
Tasseroul, Ludivine ULg; Braconnier, Benoît; Nonet, Stéphane et al

Conference (2008)

Detailed reference viewed: 12 (3 ULg)
Peer Reviewed
See detailHigh-resolution clutter-power estimation for range-dependence compensation in conformal-array STAP
Ries, Philippe; Lapierre, Fabian D.; Lesturgie, Marc et al

Conference (2008)

Detailed reference viewed: 12 (0 ULg)
See detailRestoration assessment of calcareous grasslands in Belgium : soil conditions and floristic diversity
Piqueray, Julien ULg; Bottin, Gaëtan; Bisteau, Emmanuelle et al

Conference (2008)

Detailed reference viewed: 23 (4 ULg)
Peer Reviewed
See detailNon-native prosody: production and perception of accent
Rasier, Laurent ULg; Caspers, Johanneke; Van Heuven, Vincent

Conference (2008)

Detailed reference viewed: 4 (0 ULg)
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Peer Reviewed
See detailVariable selection for dynamic treatment regimes: a reinforcement learning approach
Fonteneau, Raphaël ULg; Wehenkel, Louis ULg; Ernst, Damien ULg

Conference (2008)

Dynamic treatment regimes (DTRs) can be inferred from data collected through some randomized clinical trials by using reinforcement learning algorithms. During these clinical trials, a large set of ... [more ▼]

Dynamic treatment regimes (DTRs) can be inferred from data collected through some randomized clinical trials by using reinforcement learning algorithms. During these clinical trials, a large set of clinical indicators are usually monitored. However, it is often more convenient for clinicians to have DTRs which are only defined on a small set of indicators rather than on the original full set. To address this problem, we analyse the approximation architecture of the state-action value functions computed by the fitted Q iteration algorithm - a RL algorithm - using tree-based regressors in order to identify a small subset of relevant ones. The RL algorithm is then rerun by considering only as state variables these most relevant indicators to have DTRs defined on a small set of indicators. The approach is validated on benchmark problems inspired from the classical ‘car on the hill’ problem and the results obtained are positive. [less ▲]

Detailed reference viewed: 79 (7 ULg)
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See detailA FIRST STEP TOWARD A CLOSE PROXIMITY NOISE MAP
Bueno, M.; Vinuela, U.; Teran, F. et al

Conference (2008)

Detailed reference viewed: 6 (0 ULg)
Peer Reviewed
See detailAphid-ant mutualism: How do aphids focus ant foraging?
Verheggen, François ULg; Detrain, Claire; Diez, Lise et al

Conference (2008)

Detailed reference viewed: 10 (5 ULg)
See detailLa démarche RAI et le domicile
Gosset, Christiane ULg

Conference (2008)

Detailed reference viewed: 6 (0 ULg)
Peer Reviewed
See detailAphid-ant mutualism: an outdoor study of the benefits for Aphis fabae
Verheggen, François ULg; Detrain, Claire; Diez, Lise et al

Conference (2008)

Detailed reference viewed: 17 (6 ULg)
Peer Reviewed
See detailIdentification and characterization of new blood-accessible colorectal cancer biomarkers
Conrotto, Paolo; Roesli, Christoph; Rybak, J. et al

Conference (2008)

Detailed reference viewed: 10 (1 ULg)
Peer Reviewed
See detailBlinking to threat is no sign of consciousness
Vanhaudenhuyse, Audrey ULg

Conference (2008)

Detailed reference viewed: 7 (0 ULg)
See detailShort Course on Method Validation
Rozet, Eric ULg; Hubert, Philippe ULg

Conference (2008)

Detailed reference viewed: 11 (4 ULg)
Peer Reviewed
See detailValidation of X-ray Micro-CT as Screening Tool for Bone Tissue Engineering Scaffolds
Kerckhofs, Greet ULg; Schrooten, Jan; Van Cleynenbreugel, Tim et al

Conference (2008)

Detailed reference viewed: 12 (3 ULg)
See detailLe service public et le droit communautaire
Durviaux, Ann-Lawrence ULg

Conference (2008)

Detailed reference viewed: 18 (0 ULg)
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See detailFrom strokes to model: a bottom-up approach for sketching activities analysis. Workshop.
Safin, Stéphane ULg; Juchmes, Roland ULg; Elsen, Catherine ULg et al

Conference (2008)

This paper proposes a framework for sketches analysis that could be useful for sketch-based interfaces development, in the particular context of preliminary activity-centred design. We will first describe ... [more ▼]

This paper proposes a framework for sketches analysis that could be useful for sketch-based interfaces development, in the particular context of preliminary activity-centred design. We will first describe our previous works on sketch-based support tools for the preliminary design phases and the context of these researches. The next chapter declares the concrete objectives of our approach, then the methodology of sketches analysis we propose is presented with a concrete example, and finally the last section is dedicated to the expected results and specifications of a sketch-based support tool that would follow our framework. [less ▲]

Detailed reference viewed: 70 (23 ULg)
See detailLes insctruments de la fiscalité environnementale
Bourgeois, Marc ULg

Conference (2008)

Detailed reference viewed: 8 (0 ULg)
Peer Reviewed
See detailTransfer in interlanguage phonology: the case of prosody
Rasier, Laurent ULg

Conference (2008)

Detailed reference viewed: 31 (0 ULg)
Peer Reviewed
See detailImpact of prosthesis-patient mismatch on short-term mortality following mitral valve replacement.
Magne, Julien ULg; Mathieu, P; Dumesnil, JG et al

Conference (2008)

Detailed reference viewed: 5 (0 ULg)
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Peer Reviewed
See detailLe commerce équitable : leçons d’expériences
Duquesne, Brigitte ULg; Lebailly, Philippe ULg

Conference (2008)

Detailed reference viewed: 65 (24 ULg)
Peer Reviewed
See detailEffects of fish size on agonistic sounds in the clownfish Amphiprion akallopisos : implications for the role of the swimbladder in the sound production mechanism?
Colleye, Orphal ULg; Vandewalle, Pierre ULg; Frederich, Bruno ULg et al

Conference (2008)

Clownfishes (i.e. Amphiprion akallopisos) are territorial fishes that use sound production to defend their anemone territory. They live in social groups which display a size-based dominance hierarchy. In ... [more ▼]

Clownfishes (i.e. Amphiprion akallopisos) are territorial fishes that use sound production to defend their anemone territory. They live in social groups which display a size-based dominance hierarchy. In such a system, agonistic interactions are frequent and play an important role in the social organization. In addition, these interactions are often associated with sounds. In this study, we compared the sonic features between individuals of different sizes and in different sexual status (juvenile, male and female). The existent relationship between fish size and swimbladder size also implied to seek the swimbladder role in the sound production. Sound analyses showed that juveniles, males and females had distinct sounds in the dominant frequency and pulse duration. These differences were however not in relation to the sexual state; influence of sex on sonic features being mainly the result of a size dimorphism between sexes. Differences in calls were therefore due to the respective size of the emitter. This observation highlighted the role of the swimbladder as a resonance chamber. This role was also reinforced because the experimental filling of the swimbladder with physiological liquid significantly modified the acoustic features. In A. akallopisos, frequency and pulse duration are directly related to swimbladder size, and thus to fish size. This relationship provides strong evidence that the emitter could be identified by its calls. [less ▲]

Detailed reference viewed: 24 (2 ULg)
See detailPrise de décision et gestion des risques
Nyssen, Anne-Sophie ULg

Conference (2008)

Detailed reference viewed: 20 (3 ULg)
See detailHypoxia promotes resistance to etoposide by regulating p53 stability and c-jun DNA-binding activity
Cosse, Jean-Philippe ULg; Ronvaux, Marie; Ninane, Noelle et al

Conference (2008)

Detailed reference viewed: 5 (0 ULg)
See detailHydrogen-bonded block copolymer complexes as possible precursors for thin films with hairy nanopores
Lefèvre, Nathalie ULg; Fustin, Charles-André; Gohy, Jean-François

Conference (2008)

Detailed reference viewed: 10 (0 ULg)
See detailThe Early Devonian plants from the Ancenis Basin (Armorican Massif, France): one century later...
Strullu-Derrien, Marie-Christine; Gerrienne, Philippe ULg

Conference (2008)

Detailed reference viewed: 8 (2 ULg)
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See detailThe Hybrid Finite-Element Mixing-Cell method: a new flexible method for large scale groundwater modelling
Orban, Philippe ULg; Brouyère, Serge ULg; Wildemeersch, Samuel ULg et al

Conference (2008)

Interest of end-users and policy makers for understanding and managing water systems at the regional scale has increased for years. At this scale, groundwater models of different complexity ranging from ... [more ▼]

Interest of end-users and policy makers for understanding and managing water systems at the regional scale has increased for years. At this scale, groundwater models of different complexity ranging from black-box models to physically based distributed models have been used in various hydrogeological conditions. Black-box models, such as transfer functions, have been applied for example to model groundwater in large scale hydrological models, to model karstic systems, in particular for the interpretation of isotopic data. Their concepts are simple and attractive because they require relatively few data. The main drawbacks are however that modelling results are not spatially distributed and their predictive capability is questionable due to the semi-empirical nature of process descriptions. On the contrary, due to a more advanced description of ongoing processes, physically-based distributed models are expected to have better predictive capabilities than black-box models. However, because such models require more data, they are generally applied for case studies that are better characterized from a hydrogeological point of view, for which the distribution of water levels or solute concentrations in the groundwater systems are needed. For large-scale modelling purposes, black-box models and physically-based distributed models have both proved their utilities and have their own justifications, advantages and disadvantages. However, few attempts have been made to combine the advantages of these two categories of approaches in a unified modelling application. A new flexible modelling approach, the Hybrid Finite-Element Mixing-Cell method (HFEMC), has been developed that allows combining in a single model, and in a fully integrated way, different mathematical approaches of various complexities for groundwater modelling in complex and large scale environments. This method has been implemented in the groundwater flow and solute transport numerical code SUFT3D. The approach has been first tested and illustrated using basic and advanced “synthetic” examples that allow validating and discussing its advantages over existing modelling concepts. The HFEMC approach is now applied for the development of a large scale groundwater flow and solute transport model in different groundwater basins in Belgium. [less ▲]

Detailed reference viewed: 126 (45 ULg)
See detailAnalyse quantitative par spectroscopie proche infrarouge: Application au test d'unifomité de teneur des comprimés
Ginot, Y. M.; Bernard-Moulin, P.; Cinier, R. et al

Conference (2008)

La spectroscopie Proche infrarouge présente un large potentiel d'applications dans l'industrie pharmaceutique par sa capacité à transmettre des informations reliées à la fois à la structure chimique des ... [more ▼]

La spectroscopie Proche infrarouge présente un large potentiel d'applications dans l'industrie pharmaceutique par sa capacité à transmettre des informations reliées à la fois à la structure chimique des échantillons et à leur état physique. Elle peut être mise à profit pour des analyses qualitatives, telles l'identification des matières premières, et également pour des analyses quantitatives telles le dosage d'un principe actif dans un comprimé. Avec pour avantage une rapidité inégalée pour délivrer un résultat comparée aux techniques classiques en vigueur. Attrayante par ses performances, cette spectroscopie nécessite cependant une prise en main qui doit respecter une démarche minutieuse et souvent déroutante par son aspect heuristique (allers-retours) et à la mise en oeuvre d'outils d'analyse statistique multivariée. Si de nombreuses publications témoignent de la puissance de cet outil, il est apparu opportun de rassembler en un même texte la démarche de développement à suivre et les repères à connaître pour permettre son utilisation en analyse quantitative dans un contexte de libération pharmaceutique. Le travail de cette commission a été de rassembler les éléments issus de la pratique industrielle en se concentrant sur l'un des essais les plus intéressants: celui de l'uniformité de teneur des comprimés. Ce test est en effet l'une des applications où la rapidité de mise en oeuvre est le plus appréciable, tout en étant celui qui peut poser le plus de questions quant à la validité des résultats et la prise de décision pharmaceutique. [less ▲]

Detailed reference viewed: 251 (7 ULg)
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See detailVision as Inference in a Hierarchical Markov Network
Piater, Justus ULg; Scalzo, Fabien; Detry, Renaud ULg

Conference (2008)

Detailed reference viewed: 15 (1 ULg)
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See detailCrystal chemistry of natural and synthetic fillowite-type phosphates
Hatert, Frédéric ULg; Keller, Paul; Grew, Ed et al

Conference (2008)

Detailed reference viewed: 9 (1 ULg)
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See detailConformal doping of FINFET's : a fabrication and metrology challenge
Vandervorst, Wilfried; Eyben, Pierre; Mody, Jay et al

Conference (2008)

Detailed reference viewed: 43 (0 ULg)
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See detailMechanical characterization of porous structures by the combined use of micro-CT and in-situ loading
Kerckhofs, Greet ULg; Schrooten, Jan; Elicegui, Laida et al

Conference (2008)

Detailed reference viewed: 9 (2 ULg)
Peer Reviewed
See detailOUFTI-1: The CubeSat developed at the University of Liège, Belgium
Galli, Stefania; Pisane, Jonathan ULg; Ledent, Philippe et al

Conference (2008)

Detailed reference viewed: 17 (2 ULg)
Peer Reviewed
See detailPraktijkgerelateerd contrastief onderzoek naar vreemdetaalverwerving
Hiligsmann, Philippe; Baelen, Mélanie; Leloup, Anne-Lore et al

Conference (2008)

Detailed reference viewed: 19 (0 ULg)