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See detailNi-doped carbon xerogels for H2 storage
Zubizarreta, Leire; Menendez, J. A.; Job, Nathalie ULg et al

in Carbon (2010), 48

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See detailNi/Al2O3 xerogel catalysts for biogas cleaning
Claude, Vincent ULg; Heinrichs, Benoît ULg; Lambert, Stéphanie ULg

Poster (2013, August 29)

This poster summarize the firsts results of the PhD project started on October 2012 about the catalytic purification of biogas. The aim of this project consists in the development of Ni/Al2O3 catalyst in ... [more ▼]

This poster summarize the firsts results of the PhD project started on October 2012 about the catalytic purification of biogas. The aim of this project consists in the development of Ni/Al2O3 catalyst in order to reform the tars present in the outlet gas of biomass gasifier. In order to obtain catalysts with high performance and lifetime, materials need to have optimized specific surface and metal particle dispersion. This poster investigate the effect of different surfactants (Pluronic P123; F127; stéarique acide, EDAS) on the materials properties. [less ▲]

Detailed reference viewed: 52 (11 ULg)
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See detailNi/SiO2 Catalyst Preparation Studies using SBA-15 as a Model Support and quantitative Electron Tomography Characterisation
de Jongh, Petra; Friedrich, Heiner; Gommes, Cédric ULg et al

Poster (2008, September)

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Peer Reviewed
See detailNicardipine Protocol for Cabg Using the Radial Artery Clinical and Angiographic Data
RADERMECKER, Marc ULg; Grenade, Thierry ULg; Cao-Thian, S. K. et al

in Acta Chirurgica Belgica (2001), 101(4, Jul-Aug), 185-9

The routine use of arterial grafts in coronary surgery is facilitated by peroperative adjunction of antispasmodic drug to reduce the event of spasm. Diltiazem has been favoured in most clinical studies ... [more ▼]

The routine use of arterial grafts in coronary surgery is facilitated by peroperative adjunction of antispasmodic drug to reduce the event of spasm. Diltiazem has been favoured in most clinical studies devoted to the radial artery graft. The aim of this study was to assess the efficacy of a spasm preventing protocol associating hydrostatic dilation of the graft with a diluted solution of papaverine and nicardipine infusion, starting preoperatively and continued postoperatively in i.v. and per os forms. Between September 1996 and March 1997, a consecutive series of 50 patients underwent myocardial revascularization using the radial artery. The radial artery was prepared by hydrostatic dilation with papaverine (1%) and nicardipine was administrated at 0.25 microgram/kg/min and titrated according to the arterial systemic pressure. Operative mortality was 4% (sepsis). There was no evidence of perioperative MI nor hypoperfusion syndrome. Mean CKMB level at 18 hours was 36 micrograms/l. No ischaemic anomalies of the ECG were detected. Angiography performed in the last 20 patients showed a 98% (51/52) permeability rate for all graft; 19/20 radial grafts (95%) were patent. One radial graft presented a 50% stenosis at the proximal anastomosis, and another a moderate spasm (40%) in the middle part of the conduit. This study confirms that the radial artery conduit can be used with satisfactory results for routine coronary artery bypass. The use of nicardipine allows the control the vasoreactivity of the radial graft without totally obviating at least angiographic spasm. This drug is easy to titrate, and well tolerated in association to beta-blockers in the routine perioperative management of the coronary patients. [less ▲]

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See detailNiche conservatism and conservation biology of Lepilemur in northwest Madagascar
Wilmet, Leslie ULg; Vermeulen, Cédric ULg; Schwitzer, Christoph et al

Conference (2014, August 14)

The main goals of our study is to verify the existence and extent of niche conservatism in three closely related species within the genus Lepilemur, and to draw conclusions on the applicability of ... [more ▼]

The main goals of our study is to verify the existence and extent of niche conservatism in three closely related species within the genus Lepilemur, and to draw conclusions on the applicability of conservation protocols to a broader array of Lepilemur species. The genus is an exemplary of the mammalian fauna of Madagascar which high biological diversity is under increasingly severe threat from anthropogenic degradation of its forest habitats. This study focuses particularly on three poorly-known Lepilemur taxa: L. sahamalazensis, L. dorsalis and L. mittermeieri, uplisted into one of the threatened categories of the IUCN Red List.The genus is particularly negatively affected by deforestation and habitat fragmentation and all have a small distribution range, fairly small total populations. Their pattern of distribution appears to have been established through vicariant speciation, probably driven by changes in the configuration of the hydrographic system. Such a pattern permits to expect a high level of niche conservatism. We present here our preliminary results of an exploratory mission on 1) evaluation of Lepilemur abundance in forest patches on the Ampasindava Peninsula, the Sahamalaza Peninsula and the Manongarivo Special Reserve 2) sleeping sites characteristics of the three studied species. [less ▲]

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See detailNiche differentiation among neotropical soldierless soil-feeding termites revealed by stable isotope ratios
Bourguignon, Thomas; Sobotnik, Jan; Lepoint, Gilles ULg et al

in Soil Biology & Biochemistry (2009), 41

Termites represent one of the most abundant belowground animal taxa in tropical rainforests, where their species richness is much higher than in any other ecosystem. This high diversity in soil ecosystems ... [more ▼]

Termites represent one of the most abundant belowground animal taxa in tropical rainforests, where their species richness is much higher than in any other ecosystem. This high diversity in soil ecosystems is however difficult to explain by classical Hutchinsonian niche theory, as there is little evidence for spatial or temporal separation between species. Using δ13C and δ15N isotopic ratios, we tested if resource partitioning along the humification gradient occurs in neotropical soldierless termites of the Anoplotermes-group. Two distinct sites were investigated to check if interspecific differences are transposable between sites. Significant differences in δ15N were found between species of the Anoplotermes-group. Although some species displayed higher intersite δ15N variation than others, species-average δ15N values for both sites were highly correlated, showing that sympatric soldierless soil-feeding termites feed on distinct components of the soil. Our data also suggest that some species are more likely to shift along this gradient than others, in response to overall habitat conditions or to the presence of competitors. Feeding niche differentiation can therefore account for the high species richness and diversity of soldierless soil-feeding termites in neotropical rainforests. [less ▲]

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Peer Reviewed
See detailNicholas Jose's 'Black Sheep'
Delrez, Marc ULg

Conference (2005, September 24)

Detailed reference viewed: 11 (1 ULg)
See detailNick translation : un outil pour la microscopie électronique
Thiry, Marc ULg

Scientific conference (1990)

Detailed reference viewed: 5 (0 ULg)
See detailNICOLAS A MICROS FERMES
Sacré, Robert ULg

Article for general public (1992)

Interview de Nicolas Dor , pt 1 : " Quand le silence est d'argent, la parole est d'or"

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See detailNicolas DOR , interview, pt 7 : La RTB au temps béni des captations
Sacré, Robert ULg

Article for general public (1993)

Detailed reference viewed: 11 (0 ULg)
See detailNicolas DOR , interview pt 5 - La vie dissolue de...Nicolas!
Sacré, Robert ULg

Article for general public (1991)

Detailed reference viewed: 8 (0 ULg)
See detailNicolas DOR - pt 3 : L'Epopée des Bob Shots
Sacré, Robert ULg

Article for general public (1992)

Detailed reference viewed: 7 (2 ULg)
See detailNicolas DOR, interview pt 4 - Le jazz et la radio sous l'occupation allemande
Sacré, Robert ULg

Article for general public (1992)

Detailed reference viewed: 15 (0 ULg)
See detailNicolas DOR, interview pt 6 : D'un Stardust de trop à N.Dor chanteur de jazz
Sacré, Robert ULg

Article for general public (1993)

Detailed reference viewed: 7 (0 ULg)
See detailNicolas Martella/ stratège des ressources humaines:note pédagogique
Robert, Jocelyne ULg

Learning material (2010)

Detailed reference viewed: 96 (3 ULg)