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See detailFe3+/Iron Oxide/SiO2 Xerogel Catalysts for p-nitrophenol Degradation by Photo-Fenton Effects: Influence of Thermal Treatment on Catalysts Texture
Mahy, Julien ULg; Tasseroul, Ludivine ULg; Herlitscke, Marcus et al

in Materials Today: Proceedings (2016), 3(2), 464-469

Three iron xerogel catalysts were synthesized by hydrolysis and condensation of tetraethoxysilane (TEOS) and 3-(2-aminoethylamino)propyltrimethoxysilane (EDAS) which is able to form a chelate with iron ... [more ▼]

Three iron xerogel catalysts were synthesized by hydrolysis and condensation of tetraethoxysilane (TEOS) and 3-(2-aminoethylamino)propyltrimethoxysilane (EDAS) which is able to form a chelate with iron ions. Four thermal treatments were applied to catalysts: drying, drying-autoclaving, calcination and calcination-autoclaving. Textural characterizations show that the specific surface area is increased by calcination while materials microporosity completely collapse when using autoclaving. Based on Mössbauer spectroscopy and magnetometry measurements, only Fe3+ species were observed in xerogel catalysts. The photo-Fenton effect of these catalysts was evaluated on the degradation of p-nitrophenol in aqueous media. In the presence of H2O2, results show that this effect reachs 99% of degradation after 24 h. Mössbauer and catalytic tests are presented in another paper. [less ▲]

Detailed reference viewed: 77 (33 ULg)
See detailFear of failure, private self-consciousness, and predictive metacomprehension
Broonen, Jean-Paul ULg

in Ahern, D. (Ed.) Proceedings from the Fifth European Congress of Psychology (1997)

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See detailFear reactions of domestic sheep confronted with either a human or a human-like model
Bouissou, Marie-France; Vandenheede, Marc ULg

in Behavioural Processes (1995), 34

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See detailFear reactions of ewes to photographic images
Vandenheede, Marc ULg; Bouissou, Marie-France

in Behavioural Processes (1994), 32

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See detailfear(s) + complement clauses
Brems, Lieselotte ULg

Conference (2013, November)

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See detailFearful Symmetries: Trauma and "Settler Envy" in Contemporary Australian Culture
Delrez, Marc ULg

in Miscelánea : a Journal of English and American Studies (2010), 42

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See detailFeasability of forest conversion: ecological, social and economic aspects (FEFOCON)
Verheyen, Kris; Lust, Noel; Carnol, Monique ULg et al

Report (2006)

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See detailFeasability of monitoring neutrophils'migration into the lung with immunoscintigraphy: preliminary study
Votion, Dominique ULg; Harmegnies, N. F.; Lekeux, Pierre ULg

in European Journal of Nuclear Medicine (2000), 27

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See detailFeasability Study of a Shipyard in Thailand
Marchal, Jean ULg; Rodriguez, S.

Report (1983)

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See detailFeasibility and accessibility to the laparoscopic procedures in University Hospital of Kinshasa
Nsadi Fwene, Berthier; Veyi Tadulu, D.; Kazadi Mutshim, JM et al

in Surgical Endoscopy (2013), 27

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See detailFeasibility and reproducibility of off-line tissue Doppler measurement of regional myocardial function during dobutamine stress echocardiography.
Fraser, A. G.; Payne, N.; Madler, C. F. et al

in European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology (2003), 4(1), 43-53

AIMS: Off-line post-processing of colour tissue Doppler from digital loops may allow objective quantification of dobutamine stress echocardiography. We assessed the reproducibility of off-line ... [more ▼]

AIMS: Off-line post-processing of colour tissue Doppler from digital loops may allow objective quantification of dobutamine stress echocardiography. We assessed the reproducibility of off-line measurements of regional myocardial velocities. METHODS AND RESULTS: Nine observers analysed 10 studies, each making 2400 observations. Coefficients of variation in basal segments from apical windows, at rest and maximal stress, were 9-14% and 11-18% for peak systolic velocity, 16-18% and 17-19% for time-to-peak systolic velocity, 9-17% and 18-24% for systolic velocity time integral, and 18-23% and 21-27% for systolic acceleration. Coefficients of variation for diastolic velocities in basal segments at rest were 11-40%. Coefficients of variation for peak systolic velocity were 10-24% at rest and 14-28% at peak in mid segments, and 19-53% and 29-69% in apical segments. From parasternal windows coefficients of variation for peak systolic velocity were 14-16% in basal posterior, and 19-29% in mid-anterior segments. High variability makes measurement unreliable in apical and basal anterior septal segments. The feasibility of obtaining traces was tested in 92 subjects, and >90% in all basal and mid segments apart from the anterior septum. CONCLUSION: Quantification of myocardial functional reserve by off-line analysis of colour tissue Doppler acquired during dobutamine stress is feasible and reproducible in 11 segments of the left ventricle. The most reliable measurements are systolic velocities of longitudinal motion in basal segments. [less ▲]

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See detailFeasibility assessment of heroin-assisted treatment in Liège, Belgium
Demaret, Isabelle ULg; Herné, Patrick ULg; Lemaître, André ULg et al

in Acta Psychiatrica Belgica (2011), 111(1), 3-8

A new heroin-assisted treatment, TADAM, has begun in Liège, Belgium. With the number of methadone patients (n=2046) in 2007, we estimated the geographical distribution of methadone treatments in the ... [more ▼]

A new heroin-assisted treatment, TADAM, has begun in Liège, Belgium. With the number of methadone patients (n=2046) in 2007, we estimated the geographical distribution of methadone treatments in the province of Liège, of heroin addicts and of potential participants for TADAM. The methadone treatments were unequally distributed. Some urban areas showed a signifi cant number of heroin addicts: more than 14/1000 of the population aged 15-64. As a conclusion, the trial is appropriately targeted to those high-density addiction areas. [less ▲]

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See detailFeasibility evaluation of prone breast irradiation with the Sagittilt© system including residual-intrafractional error assessment
Lakosi, Ferenc; GULYBAN, Akos ULg; BEN MUSTAPHA, Selma ULg et al

in Cancer Radiotherapie (2016), 3429

Purpose:Feasibility evaluation of the Sagittilt© prone breast board system (Orfit Industries, Wijnegem, Belgium) for radiotherapy focusing on patient and staff satisfaction, treatment time, treatment ... [more ▼]

Purpose:Feasibility evaluation of the Sagittilt© prone breast board system (Orfit Industries, Wijnegem, Belgium) for radiotherapy focusing on patient and staff satisfaction, treatment time, treatment reproducibility with the assessment of residual-intrafractional errors. Material and methods: Thirty-six patients underwent whole-breast irradiation in prone position. Seventeen received a sequential boost (breast: 42.56 Gy in 16 fractions, boost: 10 Gy in five fractions), while 19 patients received a concomitant boost protocol (breast/boost: 45.57/55.86 Gy in 21 fractions). Treatment verification included a daily online cone-beam CT (CBCT). In order to assess the residual and residual-intrafractional errors post-treatment CBCTs were performed systematically at the first five treatment sessions. Treatment time, patient comfort, staff satisfaction were also evaluated. Results: The pretreatment CBCT resulted in a population systematic error of 4.5/3.9/3.3 mm in lateral/longitudinal/vertical directions, while the random error was 5.4/3.8/2.8 mm. Without correction these would correspond to a clinical to planning target volume margin of 15.0/12.3/10.3 mm. The population systematic and random residual-intrafractional errors were 1.5/0.9/1.7 mm and 1.7/1.9/1.6 mm. Patient and staffs’ satisfaction were considered good and average. The mean treatment session time was 21 minutes (range: 13–40 min). Conclusion: The Sagittilt© system seems to be feasible for breast irradiation and well-tolerated by patients, acceptable to radiographers and reasonable in terms of treatment times. Set-up accuracy was comparable with other prone systems; residual errors need further investigations. [less ▲]

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