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Nathan Goodale David G. BaileyGeorge T. Jones Catherine PrescottElizabeth Scholz Nick StaglianoChelsea Lewis 《Journal of archaeological science》2012,39(4):875-883
Integrating portable X-ray fluorescence (pXRF) instrumentation into archaeological investigations has generated as much interest as skepticism because several characteristics of the technique limit analytical accuracy and precision. This paper seeks to explore inter-instrument performance in order to assess the potential pXRF instrumentation has in examining the elemental composition of lithic raw materials. Two pXRF instruments, Delta and Omega models both manufactured by Olympus Innov-X Systems, were utilized to obtain the trace element signatures of five fine-grained volcanic sources and four obsidian sources in the Great Basin. We compared the two portable instruments to a wavelength-dispersive instrument extensively calibrated with geologic standards and to a commercial benchtop energy-dispersive system. Our results suggest that the relationships between the data produced by these different instruments are complex, and as we look to the future of pXRF use in archaeological analysis we argue that that the same strict protocols applied in laboratory-based XRF analyses, involving instrument calibration, evaluation of inter-instrument performance, and comparison to accepted geologic standards, need to be applied in pXRF analysis. 相似文献
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Rev. Thomas Lewis 《Scottish Geographical Journal》2013,129(11):575-582
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Katherine J. Lewis 《Gender & history》2000,12(3):735-744
This review essay examines recent trends and developments in the study of medieval sanctity and gender, looking at the range of approaches which have been and are being taken by both historians and literary scholars to a wide variety of hagiographic texts. Two recent studies of medieval hagiography are reviewed, John Kitchen, Saints' Lives and the Rhetoric of Gender: Male and Female in Merovingian Hagiography and the collection Gendered Voices: Medieval Saints and Their Interpreters edited by Catherine Mooney. These works are representative of differing approaches to the issue of male authors' representations of female sanctity and concomitant issues of gender ideology. 相似文献
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This paper examines the dynamics behind the selling of a federally owned World War II factory in Tell City, Indiana in 1946 and 1947. The federal agency charged with disposing of wartime plant, the War Assets Administration, reversed its decision to sell the factory to a small innovative company, Electra-Voice, selling it instead to the giant electrical equipment manufacturer, General Electric. What would make federal administrators who were part of a powerful liberal state apparatus committed to economic competition and anti-monopoly change their mind? The answer lies in what I call place-based corporate hegemony. Probing the material consequences of everyday action, place-based corporate hegemony revolves around the formation of alliances based on axiomatic values, the continued appeal of these values, the redistribution of symbolic and material resources, and the incorporation of threatening elements. Deploying a range of archival materials I show how the concerted efforts of the community, business organizations, politicians and unions as well as General Electric to question the initial decision forced the state to rethink and change its decision. 相似文献
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