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See detailLaboratory tests and normal operation regarding the electric field intensity.
Lilien, Jean-Louis ULg; Pirotte, Pol

in Proceedinsg of the 4th ISH (1983, September 05)

Influence of the electrode shape and room size in testing is investigated.

Detailed reference viewed: 10 (1 ULg)
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See detailLaboratory validation of a lateral flow device for the detection of CyHV-3 antigens in gill swabs
Vrancken, Robert; Boutier, Maxime ULg; Ronsmans, Maygane ULg et al

in Journal of Virological Methods (2013), 193

Detailed reference viewed: 22 (2 ULg)
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See detailLaboratory, field and airborne spectroscopy for monitoring organic carbon content in agricultural soils
Stevens, A.; van Wesemael, B.; Tychon, Bernard ULg et al

Conference (2007, October)

This study explains the potential and the limits of a field ASD spectrometer and a CASI airborne instrument to assess the Soil Organic Carbon, in the context of soil carbon mapping.

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See detailLaboratory, field and airborne spectroscopy for monitoring organic carbon content in agricultural soils.
Stevens, A.; Van Wesemael, B.; Bartholomeus, H. et al

in Geoderma (2008), 144

The temporal evolution in Soil Organic Carbon (SOC) content is often used in estimations of greenhouse gas fluxes and is an important indicator of soil quality. Regional estimates of SOC changes can only ... [more ▼]

The temporal evolution in Soil Organic Carbon (SOC) content is often used in estimations of greenhouse gas fluxes and is an important indicator of soil quality. Regional estimates of SOC changes can only be obtained by analyzing very large number of samples over large areas due to the strong spatial variability in SOC contents. Visible and Near Infrared Spectroscopy (VNIRS) provides an alternative to chemical analyses. The benefits of this technique include a reduction of the sampling processing time, an increase of the number of samples that can be analyzed within time and budget constraints and hence an improvement of the detection of small changes in SOC stocks for a given area. Carbon contents are predicted from spectra through Partial Least Square Regressions (PLSR). The performance of three different instrumental settings (laboratory, field and airborne spectroscopy) has been assessed and their relative advantages for soil monitoring studies have been outlined using the concept of Minimal Detectable Difference. It appears that ground-based spectrometers give Root Mean Square Errors of Cross-Validation similar to the limit of repeatability of a routine SOC analytical technique such as the Walkley and Black method (±1 g C kg−1). The airborne spectrometer, despite its greater potential to cover large areas during a single flight campaign, has some difficulties to reach such values due to a lower Signal-to- Noise Ratio. Because of its statistical nature, the method and its potential rely on the stability of the calibrations obtained. It appears that calibrations are currently site-specific due to variation in soil type and surface condition. However, it is shown that PLSR can take into account both soil and spectral variation caused by different measuring campaigns and study areas. Further research is needed to develop regional spectral libraries in order to be able to use VNIRS as a robust analytical technique for precisely determining the SOC content and its spatial variation. [less ▲]

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See detailLabour Migration at European Level : New Schemes of Temporary Mobility
Gsir, Sonia ULg

Conference (2012)

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See detailThe LabSET team : Projects, Knowledge building, Services and Technical environment
Poumay, Marianne ULg

Scientific conference (2006, November 08)

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See detailLabyrinth and Piano Key Weirs - PKW 2011
Erpicum, Sébastien ULg; Laugier, Frédéric; Boillat, Jean Louis et al

Book published by CRC Press/Balkema (2011)

The Piano Key Weir (PKW) is a weir of particular geometry, associating to a labyrinth shape the use of overhangs to reduce the basis length. The PKW can thus be directly placed on a dam crest. Together ... [more ▼]

The Piano Key Weir (PKW) is a weir of particular geometry, associating to a labyrinth shape the use of overhangs to reduce the basis length. The PKW can thus be directly placed on a dam crest. Together with its important discharge capacity for low heads (several times the one of a linear Creager weir), this geometric feature makes the PKW an interesting solution for dams rehabilitation as well as new constructions. However, PKW constitutes a new type of weir, firstly designed in 2001 and built for the first time in 2006 by EDF. With several researches and projects on PKW all over the world, the workshop about Labyrinth and Piano Key Weirs aimed at bringing together all the people (engineers, researchers,...) interested to state and summarize the current knowledge on this still non conventional hydraulic structure. The main themes tackled during the conference concern followings: • Physical Modeling. Hydraulic capacity • Physical Modeling. Downstream fittings • Numerical Modeling • Hydraulic Design • Planned and achieved projects • Nomenclature, Database, Future developments The papers reviewed and accepted by an International Scientific Committee and presented during the workshop sessions are published in the present book which constitutes a reference on the subject. [less ▲]

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See detailLabyrinth and Piano Key Weirs II - PKW 2013
Erpicum, Sébastien ULg; Laugier, Frédéric; Pfister, Michael et al

Book published by CRC Press/Balkema (2013)

Dam engineering is currently experiencing a strong revival of labyrinth oriented weirs. Labyrinth weirs, with a repetitive constructional character and an increased specific discharge capacity, are a very ... [more ▼]

Dam engineering is currently experiencing a strong revival of labyrinth oriented weirs. Labyrinth weirs, with a repetitive constructional character and an increased specific discharge capacity, are a very good technico-economical compromise. The concept of Piano Key Weir (PKW), with alveoli developed in overhangs from a reduced support area, enables to install non-linear crests at the top of concrete dams. It eliminates thus the main drawback of classical labyrinth weirs and enables their use to rehabilitate numerous existing dams. Since the first implementation of PKW by Electricité de France on Goulours dam (France) in 2006, at least eight PKWs have been built in France, Vietnam and Switzerland. Their operation over a few years has already provided the first prototype data. Other projects are under study, construction or planning in varied countries. On another hand, research programs are under progress all over the world. Following a first edition in Liege (Belgium) in 2011, the 2nd international workshop on Labyrinth and PKW aims at bringing together people with varied background (engineers, researchers,...) to state and summarize the current knowledge on these still non-conventional hydraulic structures. The papers reviewed and accepted by an International Scientific Committee and presented during the workshop sessions are published in the present book which can be considered as an up-to-date Reference document. [less ▲]

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See detailThe Labyrinth of Past/Present/Future in five recent poems by Brathwaite
Pagnoulle, Christine ULg

in Davis, Geoffrey; Maes-Jelinek, Hena (Eds.) Cross/Cultures 1 - Crisis and Creativity in the New Literatures in English (1990)

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See detailThe Labyrinth of Universality: Wilson Harris's Visionary Art of Fiction
Maes-Jelinek, Hena ULg

Book published by Rodopi (2006)

Acknowledgements -- Introduction -- 1 The Myth of El Dorado in the Caribbean Novel -- 2 The Writer as Alchemist: The Unifying Role of the Imagination -- 3 Palace of the Peacock -- 4 The Far Journey of ... [more ▼]

Acknowledgements -- Introduction -- 1 The Myth of El Dorado in the Caribbean Novel -- 2 The Writer as Alchemist: The Unifying Role of the Imagination -- 3 Palace of the Peacock -- 4 The Far Journey of Oudin: A Naked Particle of Freedom -- 5 The Whole Armour: A Compassionate Alliance -- 6 The Secret Ladder: The Immaterial Constitution -- 7 Heartland: Between Two Worlds -- 8 The Eye of the Scarecrow -- 9 The Waiting Room: A Primordial Species of Fiction -- 10 Tumatumari: An Epic of Ancestors -- 11 Ascent to Omai -- 12 From The Sleepers of Roraima to The Angel at the Gate: The Novel as Painting -- 13 Da Silva da Silva's Cultivated Wilderness: "Inimitable Painting" -- 14 The Tree of the Sun and Resurrection: Faces on the Canvas -- 15 Carnival and Creativity -- 16 Carnival and J.M. Coetzee's In the Heart of the Country: Ambivalent Clio -- 17 The Infinite Rehearsal -- 18 The Four Banks of the River of Space: Unfinished Genesis -- 19 Carnival, The Infinite Rehearsal, and The Four Banks of the River of Space: Ulyssean Carnival of Epic Metamorphoses -- 20 Resurrection at Sorrow Hill: Charting the Uncapturable -- 21 Obscure Sorrow Hill: Seminal Ground of Endless Creation -- 22 "Tricksters of Heaven": Visions of Holocaust in Jonestown and Fred D'Aguiar's Bill of Rights -- 23 The Dark Jester: "Unimaginable Imaginer" -- 24 The Mask of the Beggar: Transfigurative Art -- 25 The Ghost of Memory: A Meditation on the Nature of Art -- 26 "Latent Cross-Culturalities" in Harris and Soyinka: Their Creative Alternative to Theory -- 27 Ut Musica Poesis -- 28 Writing and the Other Arts -- 29 Wilson Harris's Multi-Faceted and Dynamic Perception of the Imaginary -- 30 "Numinous Proportions": Wilson Harris's Alternative to All 'Posts' -- Conclusion: Straight Lines and Arabesques -- Bibliography of Works Cited. [less ▲]

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See detailLe labyrinthe et son habitat
Duchesne, Jean-Patrick ULg

in Luis Salazar, peintre, 1990-2000 (2001)

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See detailLe labyrinthe européen - Éléments et principes de l’Union européenne
Michel, Quentin; Habran, Maxime ULg

Book published by Presses universitaire de Liège (2016)

L’époque des pères fondateurs de l’Europe nous paraît aujourd’hui bien lointaine. La construction de l’Union européenne donne le sentiment d’être le fruit de la communion des États et de leur population ... [more ▼]

L’époque des pères fondateurs de l’Europe nous paraît aujourd’hui bien lointaine. La construction de l’Union européenne donne le sentiment d’être le fruit de la communion des États et de leur population, mus par un même élan d’enthousiasme. L’abandon d’une Constitution pour l’Europe lors du refus français et néerlandais semble pourtant aller à l’encontre de cet enthousiasme : le rêve européen se serait-il brutalement interrompu ? La construction européenne serait-elle remise en question ? Partant de ces questions très souvent soulevées et débattues, cet ouvrage démontre que la réalité est bien plus complexe qu’une opposition « stop ou encore » et que la ratification des différents traités européens, par les États membres et leur population, ne fut pas toujours acquise sans heurt. Au travers d’une analyse systématique des votes des assemblées parlementaires et des résultats des referenda, l’ouvrage confronte ces présupposés à la « dure » réalité des urnes et laisse apparaître certaines nuances concernant, notamment, le fait que le Royaume-Uni et la Pologne ne sont pas nécessairement les États les plus « eurosceptiques » ou que les conséquences des referenda danois, irlandais ou français étaient vraisemblablement prévisibles. [less ▲]

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See detailLabyrinthine Granular Landscapes
Caps, Hervé ULg; Vandewalle, Nicolas ULg

in Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics (2001), 64(5, Pt 1), 52301

We have numerically studied a model of granular landscape eroded by wind. We show the appearance of labyrinthic patterns when the wind orientation turns by 90 degrees. The occurrence of such structures is ... [more ▼]

We have numerically studied a model of granular landscape eroded by wind. We show the appearance of labyrinthic patterns when the wind orientation turns by 90 degrees. The occurrence of such structures is discussed. Moreover, we introduce the density n(k) of "defects" as the dynamic parameter governing the landscape evolution. A power-law behavior of n(k) is found as a function of time. In the case of wind variations, the exponent (drastically) shifts from two to one. The presence of two asymptotic values of n(k) implies the irreversibility of the labyrinthic formation process. [less ▲]

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See detailLe lac Kivu: bilan des connaissances scientifiques et gestion de ses ressources
Darchambeau, François ULg; Descy, Jean-Pierre

Conference (2009, May 08)

Detailed reference viewed: 7 (1 ULg)
See detailLacan et la philosophie
Seba, Jean-Renaud ULg

Scientific conference (2005, January 25)

Detailed reference viewed: 25 (1 ULg)