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81.
82.
JASPER M. DALHUISEN CAROLINE A. RODENBURG HENRI L.F. DE GROOT PETER NIJKAMP 《European Planning Studies》2003,11(3):263-281
This article focuses on the identification of critical water policy instruments, and opportunities and barriers to transforming urban water use in a sustainable and efficient direction in Amsterdam (The Netherlands). The main lessons that can be inferred from past and current water policies and management practices in Amsterdam show (1) the relevance of common action for increasing the quality of or general control over water resources when shared interests of different actors using the same water resource are present; (2) that the effectiveness and applicability of water policy instruments are strongly conditional upon receiving the support of both water users and suppliers; (3) that the governance structure of water provision plays a crucial role in increasing the efficiency of water use. 相似文献
83.
NATURE AND MICROSTRUCTURE OF GALLIC IMITATIONS OF SIGILLATA SLIPS FROM THE LA GRAUFESENQUE WORKSHOP*
C. MIRGUET C. DEJOIE C. ROUCAU PH. DE PARSEVAL S. J. TEAT PH. SCIAU 《Archaeometry》2009,51(5):748-762
The red glaze (slip) that characterizes the Terra Sigillata potteries greatly contributed to their success during the Roman period. The colour of the slip can in fact be partially explained by the microstructure (crystalline phases, grain sizes) and the physico‐chemistry (composition) of the ceramics. However, the precise process and the diffusion of this technique are still not fully known. In particular, we do not know yet how the production of sigillata took place in the south of Gaul, and the role that was played by the production under Italian influence (pre‐sigillata) preceding the first local sigillata. In this work, a combination of transmission electron microscopy (TEM) and X‐ray synchrotron diffraction techniques was used to study the microstructure of pre‐sigillata slips from the main southern Gaul workshop (La Graufesenque), in order to compare their characteristics with those of high‐quality sigillata. These first results seem to indicate that the antique potters chose clays adapted to their firing conditions and to the type of coating that they wanted to make. These productions cannot be described as an initial phase for the later sigillata production and, rather, seem to correspond to the intention of developing a specific type of pottery only inspired by the famous Italian sigillata forms. 相似文献
84.
85.
NANCY E. VAN DEUSEN 《The Journal of religious history》2009,33(1):1-27
In early seventeenth‐century Lima, Peru, female visionaries composed texts of their bodies, and texts composed their bodies. This fact can be explained, in part, by the belief that an individual could gain access to and appropriate the language of God (His spiritus) in distinct ways. Mystical narratives, stigmata, as well as the spoken words of enraptured visionaries communicating with absent souls were considered readable texts because the object to be read could be a book, a painting, or the body itself. Thus the reading of, and listening to, texts was parallel to Lima's visionaries entering a state of spiritual ecstasy (arrobamiento), and “reading” their bodies as living books, which perforce became a readable space. 相似文献
86.
G. E. DE BENEDETTO P. ACQUAFREDDA M. MASIERI G. QUARTA L. SABBATINI P. G. ZAMBONIN M. TITE M. WALTON 《Archaeometry》2004,46(4):615-624
Five sherds of green glazed pottery excavated at Canosa (Apulia) in Italy have been analysed by scanning electron microscopy. The aim of the investigation was to determine the chemical composition of the glazes and thus obtain information on the methods used in their production. The glazes were all of the high‐lead type, coloured green by the addition of copper. Intermediate layers, observed at the interface between the glaze and body and giving the appearance of an applied white slip, were the result of the crystallization of lead feldspar from the molten glaze. Non‐calcareous clays were used in the production of the pottery bodies. Concentration profiles from the glaze exterior to the body suggested that the glazes were produced by applying a suspension consisting of lead oxide plus silica to the bodies. On the basis of the glaze and body compositions, it is suggested that the Canosa glazed pottery was produced locally. 相似文献
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88.
A non‐destructive analytical method using wavelength‐dispersive X‐ray fluorescence (WDXRF) that allows the establishment of the provenance of archaeological obsidians was developed and a comparison with the classical XRF method on powders is discussed. Representative obsidian samples of all the geological outcrops of archaeological interest of the Mediterranean area (Lipari, Pantelleria, Sardinia, Palmarola and the Greek islands of Melos and Gyali), were analysed with the normal procedures used in rock analysis by XRF (crushing, powdering and pelletizing). The non‐destructive XRF analysis was instead conducted on splinters taken from the original geological pieces, with the shape deliberately worked to be similar to the refuse usually found at archaeological sites. Since the analysis was conducted on the raw geological fragment, intensity ratios of the suitably selected chemical elements were used, instead of their absolute concentrations, to avoid surface effects due to the irregular shape. The comparison between concentration ratios (obtained by traditional XRF methods) and the intensity ratios of the selected trace elements (obtained from the non‐destructive methodology) show that the different domains of the chemical composition, corresponding to the geological obsidians of the source areas, are perfectly equivalent. In the same way, together with the geological splinters, complete archaeological obsidians, from Neolithic sites, may be analysed and their provenance may be determined. The proposed non‐destructive method uses the XRF method. Due to its sensitivity, low cost and high speed, it is surely an extremely valid instrument for the attribution of the provenance of the archaeological obsidian from Neolithic sites. 相似文献
89.
Quartz veins in the early Variscan Monts d’Arrée slate belt (Central Armorican Terrane, Western France), have been used to determine fluid‐flow characteristics. A combination of a detailed structural analysis, fluid inclusion microthermometry and stable isotope analyses provides insights in the scale of fluid flow and the water–rock interactions. This research suggests that fluids were expelled during progressive deformation and underwent an evolution in fluid chemistry because of changing redox conditions. Seven quartz‐vein generations were identified in the metasedimentary multilayer sequence of the Upper Silurian to Lower Devonian Plougastel Formation, and placed within the time frame of the deformation history. Fluid inclusion data of primary inclusions in syn‐ to post‐tectonic vein generations indicate a gradual increase in methane content of the aqueous–gaseous H2O–CO2–NaCl–CH4–N2 fluid during similar P–T conditions (350–400°C and 2–3.5 kbar). The heterogeneous centimetre‐ to metre‐scale multilayer sequence of quartzites and phyllites has a range of oxygen‐isotope values (8.0–14.1‰ Vienna Standard Mean Ocean Water), which is comparable with the range in the crosscutting quartz veins (10.5–14.7‰ V‐SMOW). Significant differences between oxygen‐isotope values of veins and adjacent host rock (Δ = ?2.8‰ to +4.9‰ V‐SMOW) suggest an absence of host‐rock buffering on a centimetre scale, but based on the similar range of isotope values in the Plougastel Formation, an intraformational buffering and an intermediate‐scale fluid‐flow system could be inferred. The abundance of veins, their well‐distributed and isolated occurrence, and their direct relationship with the progressive deformation suggests that the intermediate‐scale fluid‐flow system primarily occurred in a dynamically generated network of temporarily open fractures. 相似文献
90.
Ship Decoration, 1630–1780 ANDREW PETERS 240 pp., inc. bibliography and index, 23 col. pls., 348 b&w ills inc. drawings,diagrams, designs,and maps Seaforth Publishing, 47 Church Street,Barnsley, S70 2AS, 2013, £30 (hbk), ISBN 978‐1848321762
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PIETER VAN DER MERWE 《International Journal of Nautical Archaeology》2015,44(2):462-464