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See detailA new version of the moment method, optimized for mode identification in multiperiodic stars
Briquet, Maryline ULg; Aerts, C.

Conference (2002, July)

We present a numerical version of the moment method for the identification of non-radial pulsation modes. The new version requires less computation time than the previous one, allowing to consider all the ... [more ▼]

We present a numerical version of the moment method for the identification of non-radial pulsation modes. The new version requires less computation time than the previous one, allowing to consider all the information contained in the first three moments of a multiperiodic star and to identify multiple modes simultaneously. This, together with the use of a new discriminant which considers the moments calculated at each time of observation, increases the feasibility and the accuracy of the mode identification for multiperiodic stars. Moreover, the technique is extended to rotating pulsating stars. We apply the new version to three B stars showing multiperiodicity. [less ▲]

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See detailA New Version of the Moment Method, Optimized for Mode Identification in Multiperiodic Stars
Briquet, Maryline ULg; Aerts, C.

in Asteroseismology Across the HR Diagram (2003)

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See detailA new version of the moment method, optimized for mode identification in multiperiodic stars
Briquet, Maryline ULg; Aerts, C.

in Interplay of periodic, cyclic and stochastic variability in selected areas of the H-R diagram: proceedings of a workshop held in Brussels, Belgium, 22-24 July 2002 (2003)

We present a numerical version of the moment method for the identification of non-radial pulsation modes. The new version requires less computation time than the previous one, allowing to consider all the ... [more ▼]

We present a numerical version of the moment method for the identification of non-radial pulsation modes. The new version requires less computation time than the previous one, allowing to consider all the information contained in the first three moments of a multiperiodic star and to identify multiple modes simultaneously. This, together with the use of a new discriminant which considers the moments calculated at each time of observation, increases the feasibility and the accuracy of the mode identification for multiperiodic stars. Moreover, the technique is extended to rotating pulsating stars. We apply the new version to three B stars showing multiperiodicity. [less ▲]

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See detailA new version of the moment method, optimized for mode identification in multiperiodic stars
Briquet, Maryline ULg; Aerts, C.

in Astronomy and Astrophysics (2003), 398

We present a numerical version of the moment method for the identification of non-radial pulsation modes. The new version requires less computation time than the previous one, allowing users to consider ... [more ▼]

We present a numerical version of the moment method for the identification of non-radial pulsation modes. The new version requires less computation time than the previous one, allowing users to consider all the information contained in the first three moments of a multiperiodic star and to identify multiple modes simultaneously. This, together with the use of a new discriminant that considers the moments calculated at each time of observation, increases considerably the feasibility and the accuracy of the mode identification for multiperiodic stars. Moreover, the technique is extended to rotating pulsating stars. We apply the new version to three B stars showing multiperiodicity. Computer code for mode identification available upon request. Tables 1 to 8 are only available in electronic form at http://www.edpsciences.org [less ▲]

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See detailA new very interesting pair of quasars - Q0107 - 025 A and B
Surdej, Jean ULg; Swings, Jean-Pierre ULg; Henry, A. et al

in 24th Liege International Astrophysical Colloquium: "Quasars and gravitational lenses" (1983)

A search for ultraviolet-excess objects in a field centered around NGC 450 has revealed the presence of two quasar-candidates (18.2 and 17.4 mag) fairly near one another (separation of 77 arcsec ... [more ▼]

A search for ultraviolet-excess objects in a field centered around NGC 450 has revealed the presence of two quasar-candidates (18.2 and 17.4 mag) fairly near one another (separation of 77 arcsec). Preliminary spectroscopy with the Palomar 5 m telescope shows that these objects are indeed two quasars (Q0107 - 025 A and B) having very similar spectra and redshifts (of about 0.96), suggesting a new possible case of twin quasars or of a gravitational lens. Although the analysis (to be published elsewhere) of additional spectroscopic data collected with the ESO 3.6 m telescope rather favors the first interpretation, higher resolution data are still necessary before rejecting definitely the second possibility. Deep multi-color CCD frames obtained with the Danish 1.5 m telescope clearly show that a group (or cluster) of faint galaxies is detected in the vicinity of the two quasars. [less ▲]

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See detailA new way of investigation for the control of slurry odours.
Antoine, P.; Godefroid, J.; Anselme, P. et al

Poster (1993, May)

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See detailA new way of predicting everyday life functioning: Validation of a Computerized Meeting Preparation Task with persons diagnosed with schizophrenia
Laloyaux, Julien ULg; Levaux, Marie-Noëlle ULg; Mourad, Haitham et al

Poster (2012, May 11)

Deficits in everyday life functioning are a core feature of persons diagnosed with schizophrenia. However, functional outcome is usually evaluated with questionnaires and performance-based assessments ... [more ▼]

Deficits in everyday life functioning are a core feature of persons diagnosed with schizophrenia. However, functional outcome is usually evaluated with questionnaires and performance-based assessments, all of which contain a number of limits. We developed a computerized real-life activity task (meeting preparation task) where participants are required to prepare a meeting room. Twenty-one individuals diagnosed with schizophrenia and 21 matched healthy controls completed the task. Patients were also evaluated with a cognitive battery and measures of symptomatology and functional outcome. Results showed that performance on the computerized task significantly differentiated patients and controls for a certain number of variables. These variables, combined into a composite score, were significantly correlated with both cognitive functioning and functional outcome. Moreover, this composite score significantly predicted 39% of functional outcome, whereas a cognitive composite score did not reach significance. In addition, when the meeting task composite score was combined with symptomatology and the cognitive composite score, these measures significantly predicted 70% of functional outcome. These findings suggest that the meeting preparation task provides a valid and significant indication of the level of everyday life functioning in patients with schizophrenia, and may be viewed as a valuable instrument in both an evaluation and remediation context. [less ▲]

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See detailA new way of predicting everyday life functioning: Validation of a Computerized Meeting Preparation Task with persons diagnosed with schizophrenia.
Laloyaux, Julien ULg; Levaux, Marie-Noëlle ULg; Mourad, Haitham et al

in Abstract Book of the BAPS-SEPEX (2012)

Deficits in everyday life functioning are a core feature of persons diagnosed with schizophrenia. However, functional outcome is usually evaluated with questionnaires and performance-based assessments ... [more ▼]

Deficits in everyday life functioning are a core feature of persons diagnosed with schizophrenia. However, functional outcome is usually evaluated with questionnaires and performance-based assessments, all of which contain a number of limits. We developed a computerized real-life activity task (meeting preparation task) where participants are required to prepare a meeting room. Twenty-one individuals diagnosed with schizophrenia and 21 matched healthy controls completed the task. Patients were also evaluated with a cognitive battery and measures of symptomatology and functional outcome. Results showed that performance on the computerized task significantly differentiated patients and controls for a certain number of variables. These variables, combined into a composite score, were significantly correlated with both cognitive functioning and functional outcome. Moreover, this composite score significantly predicted 39% of functional outcome, whereas a cognitive composite score did not reach significance. In addition, when the meeting task composite score was combined with symptomatology and the cognitive composite score, these measures significantly predicted 70% of functional outcome. These findings suggest that the meeting preparation task provides a valid and significant indication of the level of everyday life functioning in patients with schizophrenia, and may be viewed as a valuable instrument in both an evaluation and remediation context. [less ▲]

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See detailA new way to look at Photoionization Mass Spectrometry: an Ion Retarding Potential Difference Method.
Locht, Robert ULg; Rühl, E.; Hagenow, G. et al

in 9th International Conference on Vacuum Ultraviolet Radiation Physics: Program and Abstracts. (1989)

Photoionization efficiency curves of O+/O2 recorded at different ion retarding potential settings are measured with increments of 50 meV. From these data ion retarding potential difference ionization ... [more ▼]

Photoionization efficiency curves of O+/O2 recorded at different ion retarding potential settings are measured with increments of 50 meV. From these data ion retarding potential difference ionization efficiency curves are obtained. [less ▲]

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See detaila new way to solve galloping on bundled lines. A concept, a prototype bytwo years field experience.
Lilien, Jean-Louis ULg; pirotte, pol; smart, Tom et al

in Bulletin Scientifique de l'Association des Ingénieurs Electriciens sortis de l'Institut Electrotechnique Montefiore (1993), 2

that paper introduce a new concept to control galloping on bundle conductors using a dynamic device coupling detuning of frequencies together with some addition in torsional damping.The concept is ... [more ▼]

that paper introduce a new concept to control galloping on bundle conductors using a dynamic device coupling detuning of frequencies together with some addition in torsional damping.The concept is explained, a prototype is tested on actual line and results are presented. [less ▲]

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See detailNew Ways of Lemmatizing and Tagging Classical and post-Classical Latin: the LATLEM project of the LASLA
Longrée, Dominique ULg; Poudat, Céline

in Anreiter, Peter; Kienpointner, Manfred (Eds.) Proceedings of the 15th International Colloquium on Latin Linguistics (2010)

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See detailA New Wor(l)d Order: Language in the Fiction of the New Caribbean Diaspora
Ledent, Bénédicte ULg

in Revista Alicantina de Estudios Ingleses (2003), 16

Language has always been a major issue for post-colonial writers, being at once an instrument used by the colonial power and one of the prime avenues of resistance to this oppression. For displaced West ... [more ▼]

Language has always been a major issue for post-colonial writers, being at once an instrument used by the colonial power and one of the prime avenues of resistance to this oppression. For displaced West Indian writers in particular, English has been a significant tool for self-assertion, all the more ambiguous because it is their "mother tongue" while being the tongue of their ancestors' masters as well. This paper analyses how the younger novelists of the Caribbean diaspora use and transform the English language in their search for a new diasporic, cross-cultural identity. Robert Antoni, Michelle Cliff, Fred D'Aguiar, David Dabydeen, M. Nourbese Philip and Caryl Phillips will be among the writers mentioned in this paper. While some of them resort to non-standard linguistic forms and thereby deal head on with the tension between local languages and the need for international communication, others have had a more oblique approach to linguistic change, one that involves not so much lexis as tone and rhythm and often operates by rehabilitating silenced voices from the past. I will attempt to demonstrate how these writers have turned speech into a site of creolization expressive of what Caryl Phillips has called" A New World Order". [less ▲]

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See detailNew World : Evaluation écologique de l'axe cognition-fonctionnement
Domken, Marc-André; Laloyaux, Julien ULg

Conference (2011, December 16)

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See detailNew World Nomadism: Exile and the Caribbean 'Architecture of Cultures'
Ledent, Bénédicte ULg

in Callens, Johan (Ed.) Re-Discoveries of America: The Meeting of Cultures (1993)

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See detailA "new" design requirement: the mitigation of the progressive collapse of buildings under exceptional loading
Jaspart, Jean-Pierre ULg; Demonceau, Jean-François ULg

in Proceedings of the First International Conference of Civil Engineering (2012, November)

Recent events such as natural catastrophes or terrorism attacks have highlighted the necessity to ensure the structural integrity of buildings under an exceptional event. According to the Eurocodes and ... [more ▼]

Recent events such as natural catastrophes or terrorism attacks have highlighted the necessity to ensure the structural integrity of buildings under an exceptional event. According to the Eurocodes and some different other national design codes, the structural integrity of civil engineering structures should be ensured through appropriate measures but, in most cases, no precise practical guidelines on how to achieve this goal are provided. At Liège University, the robustness of building frames is investigated with the final objective to propose design requirements to mitigate the risk of progressive collapse considering the conventional scenario “loss of a column” further to an unspecified event. In particular, a complete analytical procedure has been developed for the verification of the robustness of steel or composite plane frames. For sake of simplicity, these first works have been based on the assumption that the dynamic effects linked to the column loss were limited and could therefore be neglected. More recently, complementary works have been carried out with the objective to address the dynamic effects. Besides that, the extension of the static procedure to actual 3D frames is under investigation in Liège. The present paper gives a global overview of the ongoing researches in the field of robustness at Liège University; in particular, the global strategy to derive design requirements is detailed. [less ▲]

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See detailA New, Highly Sensitive Method for the Detection and Quantification of Penicillin-Binding Proteins
Galleni, Moreno ULg; Lakaye, Bernard ULg; Lepage, Sophie et al

in Biochemical Journal (1993), 291((Pt 1)), 19-21

A new method for the identification and quantification of penicillin-binding proteins is described which uses fluorescein-coupled penicillins. It allows the rapid detection of 0.2 pmol with the naked eye ... [more ▼]

A new method for the identification and quantification of penicillin-binding proteins is described which uses fluorescein-coupled penicillins. It allows the rapid detection of 0.2 pmol with the naked eye and 2 fmol with the help of an A.L.F. automatic DNA sequencer. Direct labelling can also be performed on whole bacterial cells. [less ▲]

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See detailNewborn Screening for Sickle Cell Disease using Tandem Mass Spectrometry
BOEMER, François ULg

Conference (2009, April)

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See detailNewborn Screening for Sickle Cell Disease Using Tandem Mass Spectrometry
Boemer, François ULg; Ketelslegers, Olivier; Minon, Jean-Marc et al

in Clinical Chemistry (2008), 54(12), 2036-2041

BACKGROUND: Neonatal screening programs for sickle cell disease are now widespread in North American and European countries. Most programs apply isoelectric focusing or HPLC to detect hemoglobin variants ... [more ▼]

BACKGROUND: Neonatal screening programs for sickle cell disease are now widespread in North American and European countries. Most programs apply isoelectric focusing or HPLC to detect hemoglobin variants. Because tandem mass spectrometry (MS/MS) is being used for screening of inherited metabolic disorders and allows protein identification, it was worth testing for hemoglobinopathy screening. METHODS: We minimized sample preparation and analysis times by avoiding prior purification, derivatization, or separation. We developed a tryptic digestion methodology to screen for the main clinically important variants (HbS, HbC, and HbE) and beta-thalassemia. To ensure proper discrimination between homozygote and heterozygote variants, we selected 4 transitions with good signal intensities for each specific peptide and calculated variant/HbA ratios for each. Method validation included intra- and interseries variability, carryover, and limit of detection. We also performed a comparative study with isoelectric focusing results on 2082 specimens. RESULTS: Intraassay imprecision values (CVs) varied between 2.5% and 30.7%. Interassay CVs were between 6.3% and 23.6%. Carryover was <0.03%, and the limit of detection was fixed at 1% of HbS. According to the MS/MS settings (detection of HbS, HbC, HbE, and beta-globin production defects), the comparative study did not yield any discrepant results between the 2 techniques. CONCLUSIONS: MS/MS is a reliable method for hemoglobinopathy neonatal screening. [less ▲]

Detailed reference viewed: 69 (13 ULg)