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Peer Reviewed
See detailInfluence of bridge deck shape on extreme buffeting forces
Flamand, Olivier; Denoël, Vincent ULg

in Proceedigs of 13th International Conference on Wind Engineering (2011)

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See detailThe influence of calcium carbonate-wheat flour mix addition on sunflower halva stability and texture
Muresan, Vlad; Racolta, Emil; Muste, Sevastita et al

Poster (2013, July 01)

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See detailInfluence of calving season on the interactions among reproductive disorders of dairy cows.
Labernia, J.; Lopez-Gatius, F.; Santolaria, P. et al

in Animal Science Journal (1998), 67

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See detailThe influence of canine obesity on endocrine and clinical pathology parameters
Diez, Marianne ULg; Nguyen, Patrick

in Proceedings of the ACVP 58th Annual Meeting (2007)

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See detailInfluence of carbide precipitation on hot hardness of high speed steel rolls
Herman, M.; Breyer, J. P.; Lecomte-Beckers, Jacqueline ULg

in Proceedings of the Southern African Roll Users' Conference (SARUC) (2006)

This paper will illustrate the choice of the alloying elements and their content in the current grade. By using sophisticated laboratory examination techniques such as differential thermal analysis ... [more ▼]

This paper will illustrate the choice of the alloying elements and their content in the current grade. By using sophisticated laboratory examination techniques such as differential thermal analysis, scanning electron microscopy and image analysis, the metallurgical parameters of Aurora grade will be described and compared to those of the Kosmos grade. An attempt will also be made to connect all our laboratory results to the good behaviour of the alloy in operation in the early stands of Hot Strip Mills. [less ▲]

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See detailInfluence of carbon xerogel textural properties on the dynamic adsorption of methyl iodide
Almazán-Almazán, M. C.; López-Domingo, F. J.; Domingo-García, M. et al

in Chemical Engineering Journal (2011), 173(1), 19-28

X-ray microtomography coupled to image analysis has been used to study the influence of the adsorbent pore texture and the experimental conditions on the dynamic adsorption of methyl iodide in packed ... [more ▼]

X-ray microtomography coupled to image analysis has been used to study the influence of the adsorbent pore texture and the experimental conditions on the dynamic adsorption of methyl iodide in packed filters. By applying this imaging technique the internal axial adsorption profiles for increasing exposure times to the gas stream are analysed. This experimental technique establishes a new technology to study in situ the dynamic adsorption of volatile compounds. Resorcinol-formaldehyde based carbon xerogels have been used as adsorbents, as their pore texture can be tuned by changing the synthesis conditions. The textural characteristics of the adsorbents (surface areas and pore volumes) have been assessed by using nitrogen and carbon dioxide adsorption as well as mercury porosimetry. The methyl iodide dynamic adsorption results show that, for the same gas flow rate and CH3I inlet concentration, the adsorbed amount is highly dependent on large pore volumes. Thus, samples with almost the same micropore volumes (adsorption volumes) have different methyl iodide adsorption capacities, which are related to, the above mentioned, large pores. The influence of both the gas carrier flow rate and the methyl iodide inlet concentration on the adsorption can be explained using the so-called linear driving force model. This approach takes into account the fact that internal transport limitations are directly related to the pore texture. Moreover, the simulation of the dynamic adsorption process has allowed relating the simulated axial concentration profiles to the experimental X-ray microtomography data. [less ▲]

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See detailInfluence of cement and aggregate type on thaumasite formation in concrete
Nielsen, peter; Sven, Nicolai; Darimont, Anne ULg et al

in Cement & Concrete Composites (2014), 53

In this study the influence of binder type on the formation of thaumasite in mortars made with expanded clay lightweight aggregates (LWA) was examined. For this purpose mortar prisms (20x20x160mm) were ... [more ▼]

In this study the influence of binder type on the formation of thaumasite in mortars made with expanded clay lightweight aggregates (LWA) was examined. For this purpose mortar prisms (20x20x160mm) were made with different binders and expanded clay lightweight aggregate or quartz sand, which after 28 days of curing in water were exposed to a 2.37 % Na2SO4 solution. The length and weight change of the prisms was recorded in triplicate as a function of time of exposure to dry-wet cycles in the sulphate solution or deionised water, at a temperature of 5 ± 1°C. The influence of the binder type on the expansion of the prisms in the 2.37 % Na2SO4 solution with dry and wet cycling can be ordered from strong to weak as follows: (1) CEM I + limestone filler, (2) CEM I, (3) CEM I + fly ash, (4) CEM III. The use of specific cements or cement blends can clearly inhibit the formation of thaumasite (and/or ettringite). The influence of the aggregate type (quartz versus LWA) on the sulphate reaction is more difficult to determine because the porosity of LWA can accommodate the growing sulphate crystals. All the mortar prisms made with quartz aggregate were bent or broken after 21 to 24 weeks exposure to the sulphate solution, while most mortar prisms made with expanded clay aggregate were still intact. The only exception being the mortar prisms containing limestone filler. The latter disintegrated between 24 and 34 weeks of exposure to the sulphate solution. The expansion of the prisms made with CEM I and CEM I + fly ash levelled off between 50 and 100 weeks of exposure to the sulphate solution. The prisms made with CEM III showed minimal expansion (≤ 0.1 %) after 3 years of exposure. The prisms exposed to demineralised water showed no or minimal expansion. The presence and mineralogy of secondary sulphate phases in the mortars was checked by XRD analysis and SEM-EDS analysis of (degraded) mortar prisms. In most cases a solid solution of ettringite-thaumasite was observed. Based on the composition, treatment and expansion of the different mortar prisms, key factors controlling the formation of thaumasite or a solid solution of thaumasite-ettringite are discussed. [less ▲]

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See detailInfluence of Chemical Composition on the Microstructure and Mechanical Properties of Multiphase TRIP-assisted Steels Processed Using Thermal Cycles Compatible With Continuous Hot-Dip Galvanizing
Mertens, Anne ULg; McDermid, Joseph R.

in Iron and Steel Technology (2007)

This article discusses recent studies on the effect of processing conditions compatible with continuous hot-dip galvanizing, namely a high bainitic temperature and mechanical properties of TRIP-assisted ... [more ▼]

This article discusses recent studies on the effect of processing conditions compatible with continuous hot-dip galvanizing, namely a high bainitic temperature and mechanical properties of TRIP-assisted steels are the focus. [less ▲]

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See detailInfluence of chemical composition on the microstructure and mechanical properties of multiphase TRIP-assisted steels, processed using thermal cycles compatible with continuous hot-dip galvanizing
Mertens, Anne ULg; McDermid, Joseph R.

in Proceedings of the MS&T'06 Conference (2006, October)

Multiphase TRIP-assisted steels are particularly interesting for the automotive industry, as they exhibit an exceptional strength-ductility balance due to the combination of a multiphase microstructure ... [more ▼]

Multiphase TRIP-assisted steels are particularly interesting for the automotive industry, as they exhibit an exceptional strength-ductility balance due to the combination of a multiphase microstructure and the mechanically-induced transformation of metastable austenite to martensite (i.e. the TRIP effect). The multiphase microstructure - and the retention of metastable austenite - is achieved through the combination of appropriate chemistry and heat treatment conditions, i.e. an intercritical anneal followed by an isothermal dwell in the temperature range for bainite formation. The present work focuses mainly on the effect of heat treatment conditions that are compatible with CGL process, i.e. a high bainitic dwell temperature, on the microstructure and mechanical properties of two TRIP-assisted steel grades differing by their silicon and aluminium contents. It has thus been established that it seems easier to retain austenite when Si is replaced by Al, and more particularly that it was possible to retain a significant amount of austenite in a mixed 0.5Al-1.0Si grade, and hence to observe a TRIP effect. On the other hand, a Si-alloyed grade did not exhibit a significant retention of austenite, possibly due to carbide precipitation. It has also be seen that the intercritical annealing temperature has a strong influence on the amount of austenite that can ultimately be retained after the bainitic dwell, possibly by affecting the C content in the intercritical austenite. [less ▲]

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See detailThe influence of children’s and parents’ illness perceptions on paediatrics cancer patients’ quality of life
Fonseca, Marta; Missotten, Pierre ULg; Etienne, Anne-Marie ULg et al

in Psychology & Health (2010), 25(7 Supp1), 35

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See detailInfluence of chloride and phosphate on the binding of oxygen to canine and feline red blood cells
Cambier, Carole ULg; Wiernickx; Clerbaux, Th et al

in Pflügers Archiv : European Journal of Physiology (2004), 447

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See detailInfluence of cholesterol on survival after stroke. Cholesterol may be marker of inflammation.
VALDES SOCIN, Hernan Gonzalo ULg

in BMJ (Clinical Research ed.) (1997), 315(7116), 1159

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See detailInfluence of cisplatin-use, age, performance status and duration of chemotherapy on symptom control in advanced non-small cell lung cancer: detailed symptom analysis of a randomised study comparing cisplatin-vindesine to gemcitabine
Vansteenkiste, J.; Vandebroek, J.; Nackaerts, K. et al

in Lung Cancer (2003), 40(2), 191-199

Background: We previously reported that treatment of patients with symptomatic advanced non-small cell lung cancer with single agent Gemcitabine (GEM) resulted in a superior clinical-benefit response rate ... [more ▼]

Background: We previously reported that treatment of patients with symptomatic advanced non-small cell lung cancer with single agent Gemcitabine (GEM) resulted in a superior clinical-benefit response rate (RR) compared to cisplatin-based combination chemotherapy. We now report the detailed individual symptom control analysis, and the influence of cisplatin-use, age, performance status (PS) and duration of treatment. Patients and methods: Patients received either GEM (1000 mg/m(2), days 1, 8 and 15) or cisplatin (100 mg/m(2), day 1) plus Vindesine (3 mg/m(2), days 1 and 15) (PV), both every 4 weeks. Scores of 9 symptoms were listed weekly by the patient on visual analogue scales. Improvement of a symptom was defined as 2 consecutive cycles of improvement over baseline. Results: Baseline symptoms in the 169 patients were well balanced between the 2 arms (84 GEM, 85 PV). Both patients with objective response and disease stabilisation had clearly better symptom control than those with disease progression. Symptom control in both arms was similar for 'disease-specific' symptoms such as cough, dyspnea, pain or haemoptysis. Compared to PV, a significantly larger number of GEM-patients had better scores for 'constitutional' items such as anorexia (P = 0.007), ability to carry on with daily activities (P = 0.04) and overall impression of quality-of-life (P = 0.008). Symptom control was very similar in younger (< 65 years) versus older (> 65 years) patients, and only slightly better in those with a Karnofsky PS greater than or equal to 80% compared to those < 80%. Most of the symptom improvement occurred in the first 3 cycles, with some further symptom improvement in the following cycles in the GEM-arm only. Conclusions: Both GEM and PV yield a symptom control rate much higher than expected by the objective tumour RR. GEM is equally effective in controlling 'disease-specific' symptoms, but superior in controlling 'constitutional' symptoms. Most of the symptom control was achieved during the first 3 cycles of treatment, with some further improvement thereafter in the GEM-arm only. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved. [less ▲]

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See detailInfluence of classical resonances on chaotic tunneling
Mouchet, Amaury; Eltschka, Christopher; Schlagheck, Peter ULg

in Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics (2006), 74(2),

Dynamical tunneling between symmetry-related stable modes is studied in the periodically driven pendulum. We present strong evidence that the tunneling process is governed by nonlinear resonances that ... [more ▼]

Dynamical tunneling between symmetry-related stable modes is studied in the periodically driven pendulum. We present strong evidence that the tunneling process is governed by nonlinear resonances that manifest within the regular phase-space islands on which the stable modes are localized. By means of a quantitative numerical study of the corresponding Floquet problem, we identify the trace of such resonances not only in the level splittings between near-degenerate quantum states, where they lead to prominent plateau structures, but also in overlap matrix elements of the Floquet eigenstates, which reveal characteristic sequences of avoided crossings in the Floquet spectrum. The semiclassical theory of resonance-assisted tunneling yields good overall agreement with the quantum-tunneling rates, and indicates that partial barriers within the chaos might play a prominent role. [less ▲]

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See detailInfluence of clay in limestone fillers for self compacting cement based composites
Courard, Luc ULg; Michel, Frédéric ULg; Piérard, Julie

in Construction & Building Materials (2011), 25

High workability together with a good resistance to segregation is needed for cement based composites, specifically fresh Self-Compacting Mortars (SCM); in this prospect, the amount of coarse materials ... [more ▼]

High workability together with a good resistance to segregation is needed for cement based composites, specifically fresh Self-Compacting Mortars (SCM); in this prospect, the amount of coarse materials has to be reduced and replaced by fine material. Several limestone fillers are here compared and analysed. These by-products are issued from different industrial sectors, such as the aggregate and lime production industry (quarrying operations) and the ornamental stones industry (sawing operations). Particular attention has been paid to clay content, as consistency of fresh mortars was varying, while other physical characteristics like granulometry remained the same. Relationship between the physico-chemical properties of the fillers and the properties of fresh and hardened mortars are brought forward. Even if it may affect fresh properties of mortars, results clearly show that clay type and content has minor influence than limestone filler itself. [less ▲]

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See detailInfluence of coal characteristics on laser-induced plasmas
Chen, Wen; Lu, Jidong; Yu, Liangying et al

in Journal of Applied Optics (2006), 27(3), 216-219

Eight kinds of typical coal samples were chosen for studying the influence of coal characteristics on laser—induced plasmas.Element analysis and industry analysis were carried out for every ... [more ▼]

Eight kinds of typical coal samples were chosen for studying the influence of coal characteristics on laser—induced plasmas.Element analysis and industry analysis were carried out for every sample.Experimental study on the interaction between laser and different coal samples was completed,and factors affecting laser plasma were analyzed,such as coal moisture and coal dust.The experiment result indicates that the coal samples with different coalification degrees have different plasma time—resolved spectral characteristics,all of them tend to rise at the beginning of plasma formation (< 1us),then with the decay of plasmas emission.they tend to decrease in about 1us,while secondary ionization occurs in highly coalificated coals after 2 us.The plasma temperature differs from one kind to another,the higher the coalification degree is,the higher the plasma temperature will be. [less ▲]

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