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See detailDerivation of the 1.0-0.9 Ga ferro-potassic A-type granitoids of southern Norway by extreme differentiation from basic magmas
Vander Auwera, Jacqueline ULg; Bogaerts, Michel; Liégeois, Jean-Paul ULg et al

in Precambrian Research (2003), 124(2-4), 107-148

Major and trace elements, Sr and Nd isotopic data as well as mineral compositions are presented for a selection of the 1.0 - 0.9 ferro-potassic A-type granitoids (Bessefjellet, Rustfjellet ... [more ▼]

Major and trace elements, Sr and Nd isotopic data as well as mineral compositions are presented for a selection of the 1.0 - 0.9 ferro-potassic A-type granitoids (Bessefjellet, Rustfjellet, Verhuskjerringi, Valle, Holum, Svöfjell, Handeland-Tveit, Åseral, Lyngdal gabbronorites) that occur close to the Mandal-Ustaoset Line of southern Norway. These hornblende biotite granitoids (HBG) define an extensive differentiation trend ranging from gabbronorites (50 wt % SiO2) to granites (77 wt % SiO2). This trend is interpreted as resulting from extreme fractional crystallization of several basaltic magma batches with similar major and trace elements compositions. At 930 Ma, the HBG suite displays a narrower range in ISr (0.7027 - 0.7056) than in Nd(t) (+1.97 down to -4.90) suggesting some assimilation of a Rb-depleted lower crust (AFC process) or/and source variability. An age of 929 ± 47 Ma is given by a Rb-Sr isochron on the Holum granite (Sri = 0.7046 ±0.0006, MSWD = 1.7). Geothermobarometers indicate a low pressure of emplacement (1.3-2.7 kbar) and an oxygen fugacity close to NNO. High liquidus temperatures are given by the apatite saturation thermometer (1005°C to 1054 °C) and are in agreement with results from other studies. The basaltic parent magmas of the HBG suite are partial melts of an hydrous mafic, potassic source lying either in the lithospheric upper mantle or in the mafic lower crust derived from it. This contrasts with the 930 Ma anorthosite-mangerite-charnockite suite (AMC) of the Rogaland Province for which a depleted lower crustal anhydrous gabbronoritic source has been indicated. The present data imply the penecontemporaneous melting of two contrasting sources in southern Norway. The source duality could result from an increasing degree of metamorphism (amphibolite to granulite) from East to West, an horizontal stratification of the lower crust or from the stratification of the lithosphere (melting of the lower crust or upper mantle). It may also indicate that the AMC and HBG suites formed in two distinct crustal segments. The linear alignment of the HBG suite along the Mandal-Ustaoset shear zone suggests that a linear uprise of the asthenosphere, following a lithospheric delamination under this structure, could be the vector of the mantle heat. [less ▲]

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See detailDerivation of the Consistent Osmotic Virial Equation and Its Application to Aqueous Poly(ethylene glycol)-Dextran Two-Phase Systems
Doebert, Frank; Pfennig, Andreas ULg; Stumpf, Matthias

in Macromolecules (1995), 28(23), 7860-7868

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See detailDerivation of the Maxwell-Boltzmann distribution by discrete modeling
Pfleger, M; Wallek, T; Pfennig, Andreas ULg

Conference (2012)

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See detailDerivation of the rotational frequency of massive stars from seismic studies
Aerts, C.; Scuflaire, Richard ULg; Thoul, Anne ULg

in Stellar Rotation. 215 (2004)

In this contribution we review the current status of the determination of the rotational frequency in non-radially pulsating B stars, i.e. beta Cep stars and slowly pulsating B stars. Considerable ... [more ▼]

In this contribution we review the current status of the determination of the rotational frequency in non-radially pulsating B stars, i.e. beta Cep stars and slowly pulsating B stars. Considerable progress is currently being made in the understanding of the non-radial oscillations of main-sequence B Stars by means of high-temporal, high-spatial resolution spectroscopic time series. This has led to the detection of frequency multiplets, which are interpreted as rotationally splitted non-radial modes and which allow an accurate determination of the surface rotational frequency in some stars. We outline how our future goal, i.e. the derivation of the internal rotation frequency, can be achieved. [less ▲]

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See detailDerivatives of 2,5- and 3,5-disubstituted anilines, their preparation and use
Dorwald, F. Z.; Hansen, J. B.; Mogensen, J. P. et al

Patent (1999)

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See detailDerivatization of Amino Acids in Human Plasma for Quantitation by Comprehensive Two Dimensional Gas Chromatography Time of Flight Mass Spectrometry
Mc Gaw, Elizabeth; Eppe, Gauthier ULg; Lowenthal, Mark et al

in ASMS Conference on Mass Spectrometry and Allied Topics (2009)

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See detailDérive
Mouton, Charles ULg

Book published by Dricot (2006)

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See detailDerive, A mathematical assistant for your personal computer (3e édition)
Manfroid, Jean ULg

in Ciel et Terre (1990), 106

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See detailDerived Categories for Functional Analysis
Prosmans, Fabienne ULg

in Publications of the Research Institute for Mathematical Sciences (2000), 36(1), 19-83

We study the homological algebra of the category of locally convex topological vector spaces from the point of view of derived categories.

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See detailDerived Limits in Quasi-Abelian Categories
Prosmans, Fabienne ULg

in Bulletin de la Société Royale des Sciences de Liège (1999), 68(5-6), 335-401

We study the derived functors of projective limit functors in quasi-abelian categories.

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See detailDerived Projective Limits of Topological Abelian Groups
Prosmans, Fabienne ULg

in Journal of Functional Analysis (1999), 162(1), 135-177

We prove that the category of topological Abelian groups is quasi-Abelian. Using results about derived projective limits in quasi-Abelian categories, we study exactness properties of the projective limit ... [more ▼]

We prove that the category of topological Abelian groups is quasi-Abelian. Using results about derived projective limits in quasi-Abelian categories, we study exactness properties of the projective limit functor in the category of topological Abelian groups. [less ▲]

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See detailLa dérivée schwarzienne
Bair, Jacques ULg; Haesbroeck, Gentiane ULg

in Mathématique et Pédagogie (1996), 108

Dans cette note est introduit le concept de dérivée schwarzienne pour une fonction réelle univariée. Diverses propriétés et applications sont également proposées.

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See detailLes dérives de la segmentation en assurance
Paris, Catherine ULg

Book published by De Boeck & Larcier (2005)

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See detailDérivés et composés de 'Volkaaks' à 'Volsweren'
Vromans, Joseph ULg; De Clerck, W.

in Woordenboek der Nederlandsche Taal XXII/6 (1981)

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See detailLes dérives liées à l'approche par compétences
Schneider-Gilot, Marguerite ULg

Scientific conference (2012, October 18)

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See detailDérivés phosphorylés de la thiamine et bioélectrogenèse
Grandfils, Christian ULg; Bettendorff, Lucien ULg; Schoffeniels, E et al

Poster (1984, September)

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See detailDérivés phosphorylés de la thiamine et bioélectrogenèse
Grandfils, Christian ULg; Bettendorff, Lucien ULg; Schoffeniels, E et al

in Regards sur la biochimie (1985), 4

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See detailDeriving a global antioxidant score for commercial juices by multivariate graphical and scoring techniques: applications to blackcurrant juice
Tabart, Jessica; Kevers, Claire ULg; Dardenne, Nadia ULg et al

in Preedy (Ed.) Processing and Impact on Antioxidants in Beverages (2014)

Blackcurrants constitute an important source of potential health promoting phytochemicals (e.g. phenolic compounds, ascorbic acid) due to their antioxidant properties. Only small portions of berries are ... [more ▼]

Blackcurrants constitute an important source of potential health promoting phytochemicals (e.g. phenolic compounds, ascorbic acid) due to their antioxidant properties. Only small portions of berries are consumed fresh, most of their intake coming from processed foods, such as juices. Seven techniques were used to measure antioxidant capacity and antioxidant compounds of 10 juices. This yielded a large disparity of results. No single test, even the most popular ORAC assay, is able to compare the antioxidant capacity of similar food matrix such as blackcurrant juices. By combining tests from a large battery of « antioxidant » assays, it is possible to improve the discrimination of a food matrix by establishing a Global Antioxidant Score (GAS) which correlates well with graphical representations like Chernoff faces or stars. The latter approaches may help food industry managers and authorities to compare their « antioxidant » products with those existing on the market. [less ▲]

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