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See detailPerformance of a wheelchair-user population on a running progressive maximal field test
Vanderthommen, Marc ULg; Zatta, S.; Crielaard, Jean-Michel ULg

in Vanderwoude, L.H.; Hopman, M.T.; Vankemenade, C.H. (Eds.) Biomedical aspects of manuel wheelchair propulsion. The State of the Art II (1999)

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See detailPerformance of Belgian general practitioners: a "best practice approach based on patient level data"
Fecher-Bourgeois, Fabienne ULg; Gillet, Pierre ULg

in Cahiers Economiques de Bruxelles (2000), 167(3ème trimestre 2000), 381-396

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See detailPerformance of belgian hospitals
Fecher-Bourgeois, Fabienne ULg

Conference (1993, September)

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See detailPerformance of Belgian hospitals: a frontier approach
Fecher-Bourgeois, Fabienne ULg; Bosmans, Nathalie

in Health Economics (1995), 4,5(Sep-oct 1995), 389-397

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See detailPerformance of creatinine and cystatin C-based glomerular filtration rate estimating equations in a European HIV-positive cohort.
Gagneux-Brunon, Amandine; DELANAYE, Pierre ULg; Maillard, Nicolas et al

in AIDS (2013)

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See detailThe performance of CTAs in changing market conditions
Hübner, Georges ULg; Papageorgiou, Nicolas

in Gregoriou, Greg; Karavas, V. N.; L'habitant, François-Serge (Eds.) et al Commodity Trading Advisors: Risk, Performance Analysis and Selection (2004)

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See detailPerformance of GC-LRMS/MS and GCxGC methods for compliance monitoring of the PCDD/F-TEQ and the total TEQ in food and feed
Van Cleuvenbergen, Rudy; Santos, Javier; Eppe, Gauthier ULg et al

in Organohalogen Compounds (2005), 67

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See detailPerformance of Global Mutual Funds
Sougné, Danielle ULg

in Filbeck, Greg; Baker, Kent (Eds.) Mutual Funds-building blocks for Investment Portfolios (in press)

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See detailPerformance of leaf wetness sensor used in winter wheat disease management
Mahtour, Abdeslam ULg; El Jarroudi, Moussa ULg; Hoffmann, Lucien et al

Poster (2011, May 26)

Wetness on crop leaves has particular epidemiological significance because many fungal diseases affect plants only when free moisture is present on leaves. The leaf wetness sensor detects the presence of ... [more ▼]

Wetness on crop leaves has particular epidemiological significance because many fungal diseases affect plants only when free moisture is present on leaves. The leaf wetness sensor detects the presence of wetness on a leaf’s surface, enabling researchers and producers to forecast disease and protect plant canopies, and consequently to optimize fungicide application and often reduce environmental load. This research project aimed at better understanding the leaf wetness duration and its influence in winter wheat disease. Measurement of surface wetness duration by three electronic flat-plate sensors (Model 237-Campbell Scientific, Inc) in wheat fields were compared with tactile and visual observations in replicated field experiments at the site of Arlon (Belgium) during the period May-July 2006 and April-July 2007. Performances of the sensor were evaluated against SWEB model outputs and visual observations of disease symptoms. On the field, dew-onset and dry-off of wetness on leaves were observed visually (with a flash light for dew-onset) at 15-minute intervals. Each sensor was placed close the flag leaf. For the three sensors, the two dew-onset and dry-off times measured in both 2006 and 2007 crop seasons gave a leaf wetness duration (LWD) which was on average one hour less than visual observations. In order to establish a relationship between the surface wetness periods and wheat foliar diseases, LWD was compared with the Septoria leaf blotch (SLB) development risk (main winter wheat disease). A minimal surface wetness duration favourable to infection for SLB was established. [less ▲]

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See detailPerformance of Least Squares and Kalman Filter Algorithms for Orbit Determination Using Single- and Multi-Station Tracking of Geostationary Satellites (AAS 98-368)
Halain, Jean-Philippe ULg; Welter, T.; Francken, P. et al

in Spaceflight Dynamics 1998, Volume 100 Part 1, Advances in Astronautical Sciences (1998)

Not Available

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See detailPerformance of lung recruitment model in healthy anesthetised pigs
Chiew, YS; LAMBERMONT, Bernard ULg; JANSSEN, Nathalie ULg et al

in Proceedings of the World Congress on Medical Physics and Biomedical Engineering 2012 (2012)

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See detailThe performance of mobile devices' inertial measurement unit for the detection of cattle's behaviors on pasture
Andriamandroso, Andriamasinoro ULg; Dumont, Benjamin ULg; Lebeau, Frédéric ULg et al

Conference (2014, July 21)

Over the past decade, the Precision Livestock Farming (PLF) concept has taken a considerable place in the development of accurate methods for a better management of farm animals, as Precision Agriculture ... [more ▼]

Over the past decade, the Precision Livestock Farming (PLF) concept has taken a considerable place in the development of accurate methods for a better management of farm animals, as Precision Agriculture has done for crop production. Mass consumption mobile devices have nowadays the possibility to record accurately user movements with their Inertial Measurement Unit (IMU). We used iPhone 4S to detect accurately cattle behaviors such as grazing and ruminating with the aim of performing a precision grazing management on the near future. Results showed accuracies ranging between 84% and 100% when detecting these two major behaviors by analyzing recorded raw signals in the time-domain. Ongoing research tries to link these behaviors to different pasture characteristics and performs a refined signal processing analysis for a better monitoring of some possible behavioral changes. [less ▲]

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See detailPerformance of osteoporosis risk assessment tools in postmenopausal women aged 45-64 years
Gourlay, M. L.; Miller, W. C.; Richy, F. et al

in Osteoporosis International (2005), 16(8), 921-927

Osteoporosis risk factor assessment is of uncertain utility in women under 65 years of age. Previous comparative studies of osteoporosis risk assessment tools were not stratified by age. We compared the ... [more ▼]

Osteoporosis risk factor assessment is of uncertain utility in women under 65 years of age. Previous comparative studies of osteoporosis risk assessment tools were not stratified by age. We compared the discriminatory ability of three previously validated osteoporosis risk assessment tools in a referral population of postmenopausal women aged 45-64 years (n=2539) and aged 65-96 years (n=1496) seen at a university-based outpatient osteoporosis center in Belgium. Risk scores for the Osteoporosis Self-assessment Tool, Osteoporosis Risk Assessment Instrument, and Simple Calculated Osteoporosis Risk Estimation were calculated for each patient. The reference standard was osteoporosis at the femoral neck, defined as a T-score <=-2.5 based on bone mineral density measured by dual energy X-ray absorptiometry. Osteoporosis was present in 139 of 2539 (5.5%) women aged 45-64 years and 241 of 1496 (16.1%) women aged 65 years or older. The tools had similar overall discriminatory ability to identify women with osteoporosis [area under the ROC curve 0.750-0.768, P=0.23 for women aged 45-64 years; area under the ROC curve 0.745-0.762, P=0.06 for women aged 65 years or older (P > 0.05 indicates no difference among tools)]. The likelihood ratios for the high-risk score categories ranged from 3.60 to 6.73 for the younger women and 3.45 to 6.99 for the older women when different score thresholds were set to maximize the performance of each tool in each age group. We conclude that the diagnostic accuracy of three osteoporosis risk assessment tools was similar in postmenopausal women aged 45-64 years and women aged 65 years or older. Use of structured risk assessment tools to identify women at high risk of osteoporosis in the early postmenopausal period warrants further study. Of the three tools evaluated, the OST is the simplest and has the best potential for use in clinical practice. [less ▲]

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See detailThe performance of public enterprises: a comparative efficiency study of railways and postal services
Pestieau, Pierre ULg; Perelman, Sergio ULg

in Neumann, M.; Roskamp, W. (Eds.) Public Finance and Performance of enterprises (1987)

Detailed reference viewed: 8 (0 ULg)