996 resultados para Bois


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Saint-Maur-des-Fossés. (C. Denoël).

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Regula Enchiriadis (3v). — Boetii commenta in isagogas (5). — Marciani Capellae astronomia (46v). — Boetii musica (60). — Gerbertus Constantino (105v). — Boetii geometria (107). — De mensuris etc. (123v et 165v). — E Julio Frontino (130v), et Columella (131). — Recettes de médecine et autres (133). — Sur les mètres (148). — Marius Plotius sacerdos de metris (150). — Musica Fortunatiani (158v).

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Initial topography and inherited structural discontinuities are known to play a dominant role in rock slope stability. Previous 2-D physical modeling results demonstrated that even if few preexisting fractures are activated/propagated during gravitational failure all of those heterogeneities had a great influence on mobilized volume and its kinematics. The question we address in the present study is to determine if such a result is also observed in 3-D. As in 2-D previous models we examine geologically stable model configuration, based upon the well documented landslide at Randa, Switzerland. The 3-D models consisted of a homogeneous material in which several fracture zones were introduced in order to study simplified but realistic configurations of discontinuities (e.g. based on natural example rather than a parametric study). Results showed that the type of gravitational failure (deep-seated landslide or sequential failure) and resulting slope morphology evolution are the result of the interplay of initial topography and inherited preexisting fractures (orientation and density). The three main results are i) the initial topography exerts a strong control on gravitational slope failure. Indeed in each tested configuration (even in the isotropic one without fractures) the model is affected by a rock slide, ii) the number of simulated fracture sets greatly influences the volume mobilized and its kinematics, and iii) the failure zone involved in the 1991 event is smaller than the results produced by the analog modeling. This failure may indicate that the zone mobilized in 1991 is potentially only a part of a larger deep-seated landslide and/or wider deep seated gravitational slope deformation.

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[Biblia pauperum (latin). circa 1465 ?]

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Le présent rapport se propose d'identifier la manière dont la prévention des pathologies professionnelles retenues dans le cadre de l'étude (pathologies dues à des substances chimiques ou facteurs physiques: amiante, bruit, ciment, huiles de coupe, isocyanates, poussières de bois, résines époxy) ainsi que des cancers professionnels est abordée dans les pays sélectionnés et de décrire des campagnes ayant fait la preuve de leur efficacité et perçues comme susceptibles d'être reprises en Suisse.

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[Bible. N.T.. Apocalypse (latin). circa 1470-1471. figures]

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[Bible. N.T.. Apocalypse (latin). circa 1470-1471. figures]

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[Bible. N.T.. Apocalypse (latin). circa 1462-1463. figures]

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[Bible. N.T.. Apocalypse (latin). circa 1462-1463. figures]

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[Biblia pauperum (latin). circa 1460-1463]

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[Bible. N.T.. Apocalypse (latin). circa 1465-1470. figures]