73 research outputs found

    Mourning, Memorials, and Filmic Traces: Reinscribing the Corps strangers and Unknown Soldiers in Bertrand Tavernier\u27s Films

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    The tirailleurs indigènes, as cinematic figures, occupy an ex-centric place in contemporary French cinema..

    Study of inorganic transparent materials with near-infrared absorbing properties

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    The pigments investigated in this thesis were synthesised and characterised in order to find promising candidates for near-infrared absorbers. The chemical systems were chosen due to their absorbing properties and also their chemical and thermal stability and non-toxicity as well as for economical reasons. Investigations were undertaken on several phosphates and silicates.Within the group of phosphates, first several known copper compounds, i.e.Cu2P2O7, Cu4P2O9, Cu5P2O10, Cu3(PO4)2, Cu(PO3)2 and Cu2P4O12, were tested and the most suitable were chosen for more detailed experiments. The structure types with the general formula M2P2O7 were found to be promising and the metals calcium, strontium and copper were investigated as a starting point. It was confirmed that M2P2O7 (with M = Ca or Sr) and Cu2P2O7 could only form a pigment material for the middle member e.g. MCuP2O7. Better candidates were found in the systems Mg/Cu and Zn/Cu. Here solid solutions occur and the absorption behaviour could be adjusted according to the ratio of the metal cations. A series of different cation ratio compounds were synthesised for both systems. As Zn/Cu shows more favourable absorption properties compared to Mg/Cu, a full investigation of structural parameters including neutron powder diffraction and EXAFS studies was undertaken and the influence of the shape of M–O coordination spheres on the near-infrared absorption properties is discussed in detail. After deriving the successful concept it was investigated in two further chemical systems. First, the cation Fe2+ was used into the Zn3(PO4)2 structure to form a solid solution (Zn,Fe)3(PO4)2 and then Cu2+ was introduced into the Mg2Si2O6 pyroxene structure. Resulting from the studies, three promising systems for transparent near-infrared absorbing pigment applications were isolated: (Zn,Cu)2P2O7, (Zn,Fe)3(PO4)2 and (Mg,Cu)2Si2O6 solid solution

    Study of inorganic transparent materials with near-infrared absorbing properties

    No full text
    The pigments investigated in this thesis were synthesised and characterised in order to find promising candidates for near-infrared absorbers. The chemical systems were chosen due to their absorbing properties and also their chemical and thermal stability and non-toxicity as well as for economical reasons. Investigations were undertaken on several phosphates and silicates.Within the group of phosphates, first several known copper compounds, i.e.Cu2P2O7, Cu4P2O9, Cu5P2O10, Cu3(PO4)2, Cu(PO3)2 and Cu2P4O12, were tested and the most suitable were chosen for more detailed experiments. The structure types with the general formula M2P2O7 were found to be promising and the metals calcium, strontium and copper were investigated as a starting point. It was confirmed that M2P2O7 (with M = Ca or Sr) and Cu2P2O7 could only form a pigment material for the middle member e.g. MCuP2O7. Better candidates were found in the systems Mg/Cu and Zn/Cu. Here solid solutions occur and the absorption behaviour could be adjusted according to the ratio of the metal cations. A series of different cation ratio compounds were synthesised for both systems. As Zn/Cu shows more favourable absorption properties compared to Mg/Cu, a full investigation of structural parameters including neutron powder diffraction and EXAFS studies was undertaken and the influence of the shape of M–O coordination spheres on the near-infrared absorption properties is discussed in detail. After deriving the successful concept it was investigated in two further chemical systems. First, the cation Fe2+ was used into the Zn3(PO4)2 structure to form a solid solution (Zn,Fe)3(PO4)2 and then Cu2+ was introduced into the Mg2Si2O6 pyroxene structure. Resulting from the studies, three promising systems for transparent near-infrared absorbing pigment applications were isolated: (Zn,Cu)2P2O7, (Zn,Fe)3(PO4)2 and (Mg,Cu)2Si2O6 solid solutionsEThOS - Electronic Theses Online ServiceGBUnited Kingdo

    HTRomance, Modern language corpus of ground-truth for Handwritten Text Recognition and Layout Segmentation

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    <p>Version 0.0.1</p> <h2>What's Changed</h2> <ul> <li>More workflows by @alix-tz in https://github.com/HTRomance-Project/modern-roman-languages/pull/1</li> <li>adding new load of documents by @alix-tz in https://github.com/HTRomance-Project/modern-roman-languages/pull/2</li> </ul> <h2>New Contributors</h2> <ul> <li>@alix-tz made their first contribution in https://github.com/HTRomance-Project/modern-roman-languages/pull/1</li> </ul> <p><strong>Full Changelog</strong>: https://github.com/HTRomance-Project/modern-roman-languages/commits/v0.0.1</p>If you use this dataset, please cite it using the metadata from this file

    Make Love or War? Monitoring the Thematic Evolution of Medieval French Narratives

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    International audienceIn this paper, we test a famous conjecture in literary history put forward by Seignobos and de Rougemont according to which the French central medieval period (12-13th centuries) is characterized by an important increase in the cultural importance of love. To do that, we focus on the large and culturally important body of manuscripts containing medieval French long narrative fictions, in particular epics (chansons de geste, of the Matter of France) and romances (chiefly romans on the Matters of Britain and of Rome), both in verse and in prose, from the 12th to the 15th century. We introduce the largest available corpus of these texts, the Corpus of Medieval French Epics and Romances, composed of digitised manuscripts drawn from Gallica, and processed through layout analysis and handwritten text recognition. We then use semantic representations based on embeddings to monitor the place given to love and violence in this corpus, through time. We observe that themes (such as the relation between love and death) and emblematic works well identified by literary history do indeed play a central part in the representation of love in the corpus, but our modelling also points to the characteristic nature of more overlooked works. Variation in time seems to show that there is indeed an phase of expansion of love in these fictions, in the 13th and early 14th century, followed by a period of contraction, that seem to correlate with the Crisis of the Late Middle Ages
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