1000 resultados para Talon, Omer, ca. 1510-1562


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"Tome VII, Second partie" en h. a-s8/4, con portadilla propia.

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Mode of access: Internet.

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Contiene : Audomari talaei in Lucullum Ciceronis commentarii , 122, [10] p., con port. propia

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Comprend : [Discours de Pierre Lallemant sur la mort d'Omer Talon,...]

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Comprend : [Discours de Pierre Lallemant sur la mort d'Omer Talon,...]

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Comprend : [Discours de Pierre Lallemant sur la mort d'Omer Talon,...]

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Comprend : [Discours de Pierre Lallemant sur la mort d'Omer Talon,...]

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Comprend : [Discours de Pierre Lallemant sur la mort d'Omer Talon,...]

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Comprend : [Discours de Pierre Lallemant sur la mort d'Omer Talon,...]

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Hieronymus Cock's view of the Capitoline Hill, published in 1562 series on Roman ruins, has long been considered a useful document by historians of art and architecture for the key historical and topographical information it contains on one of Rome's most celebrated sites during the Renaissance. Beyond its documentary nature, which, as will appear, was essentially rhetorical, the view also offers much information as to how a mid sixteenth-century Flemish artist might perceive Rome's illustrious topography and celebrated ancient statuary. In other words, Cock's engraving enables us to put into practice what may be called an "archaeology of the gaze". Through previously unnoticed details, Cock invents a comical - verging on the satirical - vision of the antique sculptures proudly displayed on the famous piazza. Such an ironical reversal of Italian classical dignity is typical of the attitude of some contemporary Flemish artists, such as Pieter Brueghel, who was then close to Cock, and exposes the ambivalent position of some Northern European artists towards the classical tradition and Italian art theory. Finally, the analysis of other engravings of ruins by Hieronymus Cock where two emblematic characters - the draftsman and the 'kakker' (the one who defecates) - appear side by side, sheds light on the origin and possible significance of these comical and subversive details.

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FTIR spectra are reported of CO, CO2, H2 and H2O on silica-supported potassium, copper and potassium-copper catalysts. Adsorption of CO on a potassium/silica catalyst resulted in the formation of complexed CO moieties. Whereas exposure of CO2 to the same catalyst produced bands ascribed to CO2 -, bidentate carbonate and complexed CO species. Fully oxidised copper/silica surfaces gave bands due to CO on CuO and isolated Cu2+ cations on silica. Addition of potassium to this catalyst removed a peak attributed to CO adsorption on isolated Cu2+ cations and red-shifted the maximum ascribed to CO adsorbed on CuO. For a reduced copper/silica catalyst bands due to adsorbed CO on both high and low index planes were red-shifted by 10 cm-1 in the presence of potassium, although the strength of the Cu - CO bond did not appear to be increased concomitantly. An explanation in terms of an electrostatic effect between potassium and adsorbed CO is forwarded. A small maximum at ca. 1510 cm-1 for the reduced catalyst increased substantially upon exposing CO to a reoxidised promoted catalyst. Correspondingly, CO2 adsorption allowed the identification of two distinct carboxylate species, one of which was located at an interfacial site between copper and potassium oxide. Carboxylate species reacted with hydrogen at 295 K, on a reduced copper surface, to produce predominantly unidentate formate on potassium. In contrast no interaction was detected on a reoxidised copper catalyst at 295 K until a fraction of the copper surface was in a reduced state. Furthermore the interaction of polar water molecules with carboxylate species resulted in a perturbation of this structure which gave lower C----O stretching frequencies.