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See detailDétermination des facteurs dynamisant l'activité d'abattage
Lebailly, Philippe ULg

in Revue de l’Agriculture = Landbouwtijdschrift (1986), 41(n° 6, novembre-décembre), 1443-1453

Cet article tente de déterminer les éléments appartenant à la filière viande de boucherie susceptibles d'expliquer la répartition spatiale différenciée des abattages en Belgique.

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See detailDétermination des formes grammaticales et localisation des textes. L'origine du pronom régime accentué moyen français régional lie, wallon lèye
Boutier, Marie-Guy ULg

in Revue de Linguistique Romane (2013), 77

L'article se propose l'identification et la détermination de la forme régionale "lie" du pronom personnel oblique féminin attesté en moyen français et soulève deux questions plus générales: (1) la ... [more ▼]

L'article se propose l'identification et la détermination de la forme régionale "lie" du pronom personnel oblique féminin attesté en moyen français et soulève deux questions plus générales: (1) la relation entre l'histoire des formes grammaticales et la localisation des textes; (2) la manière dont est généralement conçue l'histoire des formes grammaticales et tout particulièrement l'histoire du pronom. [less ▲]

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See detailDétermination des limites d’agglomération par télédétection : discussion méthodologique et application au cas de Huy (Belgique)
Donnay, Jean-Paul ULg; Lambinon, Michel

in Actes des journées scientifiques du réseau de télédétection de l’UREF : Télédétection des espaces urbains et périurbains (1997)

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See detailDétermination des lois de variation des coefficients de masse d'eau ajoutée relatifs à des carènes en mouvement uniformément accéléré
Marchal, Jean ULg

in Bulletin de l'Association Technique Maritime et Française (1990)

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See detailDétermination des paramètres objectifs et subjectifs de la voix
FINCK, Camille ULg

Conference (2005, March)

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See detailDétermination des propriétés de couches dans le béton à l'aide d'un géoradar commercial à hautes fréquences: approche pic-à-pic et analyse fréquentielle du coefficient de réflexion
Van der Wielen, Audrey ULg; Nguyen, Frédéric ULg; Courard, Luc ULg

in Annales du Bâtiment et des Travaux Publics (2014)

The Ground Penetrating Radar (GPR) is an efficient tool for the non-destructive inspection of concrete structures. It is widely used for the detection of rebars or humid zones or for evaluating the ... [more ▼]

The Ground Penetrating Radar (GPR) is an efficient tool for the non-destructive inspection of concrete structures. It is widely used for the detection of rebars or humid zones or for evaluating the thickness of elements. But when an element contains a thin layer, the radar waves are submitted to multiple reflections on the interfaces and the layer appears in the radargram as a single reflection, whose detailed analysis can allow determining the thickness and the permittivity of the thin layer. Two approaches were considered in this paper. In the first one, the analysis is based on the peak-to-peak reflection amplitude. The second approach uses a frequency analysis of the reflection coefficient, whose amplitude and phase can then be calculated for several frequencies. With this method, the thickness and permittivity of the layer can in theory be simultaneously determined. Both methods were numerically validated through finite difference simulations and experimentally tested on concrete samples containing an air layer of variable thickness. We showed that the frequency analysis allowed to reach a higher precision in the parameters estimation for a limited additional computing cost. The method efficiency depends on the conditions and is optimal for layers with a high permittivity presenting a large contrast with the matrix. [less ▲]

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See detailDétermination des propriétés de couches minces dans le béton à l’aide d’un géoradar commercial à hautes fréquences: approche pic-à-pic et analyse fréquentielle du coefficient de réflexion
Van der Wielen, Audrey; Courard, Luc ULg; Nguyen, Frédéric ULg

in Balayssac, Jean-Paul (Ed.) Compte-rendus de Diagnobeton 2014 (2014)

The Ground Penetrating Radar (GPR) is an efficient tool for the non-destructive inspection of concrete structures. It is widely used for the detection of rebars or humid zones or for evaluating the ... [more ▼]

The Ground Penetrating Radar (GPR) is an efficient tool for the non-destructive inspection of concrete structures. It is widely used for the detection of rebars or humid zones or for evaluating the thickness of elements. But when an element contains a thin layer, the radar waves are submitted to multiple reflections on the interfaces and the layer appears in the radargram as a single reflection, whose detailed analysis can allow determining the thickness and the permittivity of the thin layer. Two approaches were considered in this paper. In the first one, the analysis is based on the peak-to-peak reflection amplitude. The second approach uses a frequency analysis of the reflection coefficient, whose amplitude and phase can then be calculated for several frequencies. With this method, the thickness and permittivity of the layer can in theory be simultaneously determined. Both methods were numerically validated through finite difference simulations and experimentally tested on concrete samples containing an air layer of variable thickness. We showed that the frequency analysis allowed to reach a higher precision in the parameters estimation for a limited additional computing cost. The method efficiency depends on the conditions and is optimal for layers with a high permittivity presenting a large contrast with the matrix. [less ▲]

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See detailDétermination des puissances spécifiques critiques dans des rivières à charge de fond caillouteuse
Petit, François ULg; Perpinien, G.; Deroanne, Claude ULg

in Revue Géographique de l'Est (2000)

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See detailDétermination des zones de prévention du site de captage d'Onoz
Henrion, Vincent; Dassargues, Alain ULg

Report (2005)

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See detailDétermination du besoin en méthionine du taurillon Blanc Bleu Belge culard en finition.
Froidmont, Eric; Beckers, Yves ULg; Thewis, André ULg

in 6èmes Rencontres autour de la Recherche sur les Ruminants, Paris, France, 1-2 décembre 1999 (1999)

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See detailDétermination du besoin en méthionine du taurilon Blanc Bleu Belge culard en croissance.
Froidmont, Eric; Beckers, Yves ULg; Thewis, André ULg

in Rencontres Recherches Ruminants. (1998)

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See detailDétermination du carbone et de l'hydrogène dans les schistes houillers : Contribution à l'étude de la formation de la houille
Spring, Walthère ULg

in Annales de la Société Géologique de Belgique. Mémoires (1887), XIV

Detailed reference viewed: 16 (0 ULg)