Search results for "102"
showing 10 items of 2892 documents
L'occupation du site et son contexte environnemental
1998
Enduring Sacred Places: The Astronomical Orientation of the Iberian Cave-Sanctuary of Cueva Santa del Cabriel in Spain
2019
This paper presents the results of an archaeoastronomical study of the Iberian Iron Age cave-sanctuary of Cueva Santa del Cabriel, near the town of Mira in the province of Cuenca, Castilla-La Mancha, central Spain, together with a review of the latest archaeological and ethnographical data about the site. We found that the cave's 12 m-long access corridor is oriented precisely along the summer solstice sunset, so that the north wall of the main gallery is partially illuminated by sunlight at this time. Although the cave was in use from the Late Chalcolithic, it became an important religious centre in the Iberian period. After an apparent hiatus during the Roman and Islamic occupations, its …
Melting temperature prediction by thermoelastic instability: An ab initio modelling, for periclase (MgO)
2021
Abstract Melting temperature (TM) is a crucial physical property of solids and plays an important role for the characterization of materials, allowing us to understand their behavior at non-ambient conditions. The present investigation aims i) to provide a physically sound basis to the estimation of TM through a “critical temperature” (TC), which signals the onset of thermodynamic instability due to a change of the isothermal bulk modulus from positive to negative at a given PC-VC-TC point, such that (∂P/∂V)VC,TC = -(∂2F/∂V2) VC,TC = 0; ii) to discuss the case of periclase (MgO), for which accurate melting temperature observations as a function of pressure are available. Using first princip…
Lieux de culte dans l'Est de la Gaule : la place des sanctuaires dans la cité
2009
International audience; “Incubo”, an inventory of places of worship in ancient Burgundy, deals with the territories of Lingons and Éduens. This inventory already includes approximately one hundred completed index cards intended for publication. Three sites are presented here: an administrative city center, Autun (Saône-et-Loire), and two secondary cities, Vertault (Côte-d’Or) and Pierre-de-Bresse (Saône-et-Loire). These cases are representative of the different types of places of worship found in the region under investigation, but also of the various documentary states on which our inventory is based. Our object is to illustrate the potential of the Burgundian corpus and to evoke some prob…
Harmonic morphisms in nonlinear potential theory
1992
This article concerns the following problem: given a family of partial differential operators with similar structure and given a continuous mapping f from an open set Ω in Rn into Rn, then when does f pull back the solutions of one equation in the family to solutions of another equation in that family? This problem is typical in the theory of differential equations when one wants to use a coordinate change to study solutions in a different environment.
The Synergistic Impacts of Anthropogenic Stressors and COVID-19 on Aquaculture: A Current Global Perspective
2021
13 pages, 6 figures, 2 tables.-- This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License
Erwin Louis Hahn. 9 June 1921—20 September 2016
2019
Erwin Louis Hahn was one of the most innovative physical scientists in recent history, impacting generations of scientists through his work in nuclear magnetic resonance (NMR), optics, and the intersection of these two fields. Starting with his discovery of the spin echo, a phenomenon of monumental significance and practical importance, Hahn launched a revolution in how we think about spin physics, with numerous implications following in many other areas of science. Current students of NMR and coherent optics quickly discover that many of the key concepts and techniques in these fields derive directly from his work.
Debitage by fracturing in the osseous industry of Cova del Parpalló (Gandía-Valencia, Spain): A preliminary study
2016
Abstract The excavations carried out by L. Pericot from 1929 to 1931 in the Cova del Parpallo documented the Gravettian in the base, a Solutrean layer, and a Magdalenian. This sequences comprise an exceptional assemblage of portable art because of the number of plaquets/objects and the great chronological amplitude. With all this information, Parpallo was included in the reduced list of reference sites to organize the European Upper Paleolithic sequence in the first half of the 20th century. The Magdalenian layers were organized in four phases, following H. Breuil's classical proposal. Changes in bases morphology and decorative topics on osseous points permitted this correlation, identifyin…
Genre et mobilité à l'aune des relations socio-culturelles : l'exemple de la Campanie archaïque
2021
A partir des cas d’etude de Pithecusses et de Pontecagnano, l’observation des relations interculturelles et economiques en Campanie a l’aube de la colonisation grecque permet de s’interroger sur la definition et sur la construction sociale du genre au sein de ces deux communautes tres ouvertes a des groupes allochtones. Cet article se focalise sur les phenomenes de mobilite et, plus particulierement, sur la mobilite des femmes : cette mobilite est-elle liee a des formes de mobilite masculine ? Le cas de la Campanie illustre la necessite de penser l’articulation integree de differentes dimensions sociales, tant au niveau des individus qu’au niveau des structures et des processus sociaux, pou…
The Solutrean - Magdalenian Transition: a view from Iberia
2012
The paper examines the Upper SolutreaneArchaic Magdalenian/Badegoulian succession on the base of lithic and bone tool production, chrono-stratigraphic data and radiocarbon dates from the Cantabrian and Mediterranean regions of Iberia, mainly the areas of Asturias and Valencia (Spain). The discussion considers a reduced number of variables (characteristic stone tools, bone points and decoration techniques) and highlights the elements in common. The analysis concerning the transformation of lithic production at Cova del Parpallo provides new data for the Upper SolutreaneArchaic Magdalenian/ Badegoulian transition.