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See detailEnvironmental effects on the chemistry of the echinoderm skeleton
Ranner, Herwig; de Jonghe, Caroline; Ladrière, Ophélie ULg et al

Poster (2004)

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See detailEnvironmental enrichment can accentuate condtioned reward induced by representative cocaine doses in mice
Geuzaine, Annabelle ULg; Tirelli, Ezio ULg

in Journal of Psychopharmacology (2012, August), 26(8), 70

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See detailEnvironmental evaluation of materials and buildings processes : application of the life cycle analysis to the construction of an industrial hall
Courard, Luc ULg; Rademaker, C.; Teller, P.

in Materials and Structures (2001), 34

Methodologies based on Life Cycle Assesment (L.C.A) give the opportunity to realise a global and complete evaluation of the environmental effects of products from their production to their use and ... [more ▼]

Methodologies based on Life Cycle Assesment (L.C.A) give the opportunity to realise a global and complete evaluation of the environmental effects of products from their production to their use and elimination (from craddle to grave); methods used for analysis are internationally wellknown and standardised. These methods are rarely used in construction materials area, although materials flows and energy consumption are important and constructions have a long way of life. A calculation methodology, based on ecofactors/ecopoints, has been used for the analysis of industrial hall made of concrete, steel, or concrete/wood structure; materials but also construction process are compared at the point of view of their environmental impact. This analysis completes the technical and economical approaches for the construction owner and designer and gives a global view of the interaction between construction and civil engineering, and environment. [less ▲]

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See detailEnvironmental factors affecting thyroid function of wild sea bass (Dicentrarchus labrax) from European coasts
Schnitzler, Joseph ULg; Klaren, Peter; Bouquegneau, Jean-Marie ULg et al

in Chemosphere (2012)

Thyroid functional status of wild fish in relation with the contamination of their environment deserves further investigation. We here applied a multi-level approach of thyroid function assessment in 87 ... [more ▼]

Thyroid functional status of wild fish in relation with the contamination of their environment deserves further investigation. We here applied a multi-level approach of thyroid function assessment in 87 wild sea bass collected near several estuaries: namely the Scheldt, the Seine, the Loire, the Charente and the Gironde. Thyroxine (T4) and triiodothyronine (T3) concentrations in muscle were analyzed by radioimmunoassay. The activity of hepatic enzymes involved in extrathyroidal pathways of thyroid hormone metabolism, viz. deiodination, glucuronidation and sulfatation were analyzed. Last, follicle diameter and epithelial cell heights were measured. We observed changes that are predicted to lead to an increased conversion of T4–T3 and lowered thyroid hormone excretion. The changes in the metabolic pathways of thyroid hormones can be interpreted as a pathway to maintain thyroid hormone homeostasis. From all compounds tested, the higher chlorinated PCBs seemed to be the most implicated in this perturbation. [less ▲]

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See detailEnvironmental factors and puberty timing : expert panel research needs
Buck Louis, Germaine; Gray, L. Earl; Marcus, Michele et al

in Pediatrics (2008), 121(Suppl3), 192-207

Serono Symposia International convened an expert panel to review the impact of environmental influences on the regulation of pubertal onset and progression while identifying critical data gaps and future ... [more ▼]

Serono Symposia International convened an expert panel to review the impact of environmental influences on the regulation of pubertal onset and progression while identifying critical data gaps and future research priorities. An expert panel reviewed the literature on endocrine-disrupting chemicals, body size, and puberty. The panel concluded that available experimental animal and human data support a possible role of endocrine-disrupting chemicals and body size in relation to alterations in pubertal onset and progression in boys and girls. Critical data gaps prioritized for future research initiatives include (1) etiologic research that focus on environmentally relevant levels of endocrine-disrupting chemicals and body size in relation to normal puberty as well as its variants, (2) exposure assessment of relevant endocrine-disrupting chemicals during critical windows of human development, and (3) basic research to identify the primary signal(s) for the onset of gonadotropin-releasing hormone-dependent/central puberty and gonadotropin-releasing hormone-independent/peripheral puberty. Prospective studies of couples who are planning pregnancies or pregnant women are needed to capture the continuum of exposures at critical windows while assessing a spectrum of pubertal markers as outcomes. Coupled with comparative species studies, such research may provide insight regarding the causal ordering of events that underlie pubertal onset and progression and their role in the pathway of adult-onset disease. [less ▲]

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See detailEnvironmental factors controlling NO3- leaching, N2O emissions and numbers of NH4+ oxidisers in a coniferous forest soil
Carnol, Monique ULg; Ineson, Phil

in Soil Biology & Biochemistry (1999), 31

Main and interactive effects of temperature, throughfall volume and NH4+ deposition on soil solution NO3- concentrations, N2O emissions and numbers of NH4+ oxidisers were investigated in a controlled ... [more ▼]

Main and interactive effects of temperature, throughfall volume and NH4+ deposition on soil solution NO3- concentrations, N2O emissions and numbers of NH4+ oxidisers were investigated in a controlled laboratory experiment. Large intact soil cores from a Picea abies (L.) Karat. stand were incubated according to an 'incomplete factorial design' at 4, 12 or 20 degrees C and watered every 2 weeks with 300, 500 or 700 ml (442, 737 and 1032 mm yr(-1)) of a natural throughfall solution enriched with 0, 37.5 or 75 kg NH4+-N ha(-1) yr(-1). Watering and sampling were performed every 2 weeks, during a 112 d period. At d 112, a temperature optimum for NO3--N concentrations in the leachate, NO3--N fluxes and numbers of NH4+ oxidisers in the mineral soil layer was determined at ca. 11 degrees C. NO3--N concentrations also decreased with throughfall volume, towards a minimum at 590 ml, with temperature however contributing most to modelling NO3--N concentrations and the two factors acting independently. The model explained 59% of the variability in the data, and the regression between observed and predicted concentrations was highly significant (P < 0.0001, r(2) = 0.93). NO3--N fluxes increased quadratically with throughfall volume, and throughfall volume and NH4+ deposition interacted significantly in determining the numbers of NH4+ oxidisers in the mineral soil layer. Numbers of NH4+ oxidisers were higher in the humus layer and decreased with increasing temperatures. N2O fluxes increased quadratically with temperature, and the linear and quadratic effects of throughfall volume (maximum at 500 ml). Results suggest that optimum temperatures for net nitrification may have been overestimated in previous studies by the use of disturbed soils. [less ▲]

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See detailEnvironmental hazards and the skin
PIERARD-FRANCHIMONT, Claudine ULg; QUATRESOOZ, Pascale ULg; Berardesca, E. et al

in European Dermatology Forum White Book (2005)

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See detailEnvironmental hazards and the skin.
Pierard, Claudine ULg; Quatresooz, Pascale ULg; Berardesca, E. et al

in European Journal of Dermatology (2006), 16(3), 322-4

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See detailEnvironmental impact of photovoltaic power by Life Cycle Assessment
Gerbinet, Saïcha ULg; Belboom, Sandra ULg; Léonard, Angélique ULg

in Conference Proccedings - Volume 1 : Academic Papers (2011, November 03)

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See detailEnvironmental issues in the context of sustainable development
Petrescu-Mag, Ruxandra-Malina; Petrescu, Dacinia Crina; Burny, Philippe ULg

Book published by Les Presses Agronomiques de Gembloux (2011)

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See detailEnvironmental Migration
Gemenne, François ULg

in Martiniello, Marco; Rath, Jan (Eds.) An Introduction to International Migration Studies. European Perspectives (2013)

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See detailEnvironmental modulation of self-organized periodic vegetation patterns in Sudan
Deblauwe, V; Couteron, P; Lejeune, O et al

in Ecography (2011), 34

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See detailEnvironmental monitoring at FUL
De Backer, Louis W.; Andre, Philippe ULg; Nicolas, Jacques ULg

in Journal on automatic control (1992), 33

The paper presents the research and teaching activities of Fondation Universitaire Luxembourgeoise (Arlon) and more particularly in the domain of Environmental Monitoring. Particular attention is given to ... [more ▼]

The paper presents the research and teaching activities of Fondation Universitaire Luxembourgeoise (Arlon) and more particularly in the domain of Environmental Monitoring. Particular attention is given to "intelligent measurement, bio-sensors and event forecast algorithms. The team of researchers tries to integrate the three steps of monitoring: measurement, data processing and decision making support. It develops short-term fog forecasting tools, water quality sensors, soil water status quality assessment techniques and uses models describing soil and water transfers in soils and artificial intelligence techniques applied to energy management in buildings. [less ▲]

Detailed reference viewed: 25 (1 ULg)