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排序方式: 共有205条查询结果,搜索用时 15 毫秒
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L. Ragni D. Cardone N. Conte A. Dall’Asta A. Di Cesare A. Flora 《Journal of Earthquake Engineering》2018,22(10):198-230
ABSTRACTThis paper reports on results of nonlinear analyses performed within the RINTC project on an RC building isolated with different systems (High Damping Rubber Bearings, High Damping Rubber Bearings and Flat Sliding Bearings, Friction Pendulum System) and designed according to the Italian design code. The seismic response has been evaluated under different seismic input levels of two sites with different hazard and by considering two Limit States: Global Collapse and Usability-Preventing Damage. The influence of seismic stoppers and modelling uncertainties is also evaluated. Results permit to compute the implicit collapse risk and to identify critical aspects of current design procedures. 相似文献
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Daniela Moser Oliver Nelle Gaetano Di Pasquale 《Archaeological and Anthropological Sciences》2018,10(4):905-921
The city of Herculaneum (Naples, southern Italy), buried by the volcanic eruption of Mount Somma-Vesuvius in 79 ad, is a key site for understanding the timber economy during the Roman period. In this paper, the results of charcoal analysis of different building element types are presented. Beams, joists, poles, planks and door and window frames were investigated allowing us a view of which timber the Romans preferred for building in this area. We also fit the taxonomic results into the reconstruction of the ancient Campanian landscape, and finally, we discuss the knowledge that the Romans had about the technological properties of the wood that they used for building and the possible selection criteria that they followed in choosing them. Coniferous timber is the preferred material for building purposes. Abies alba is especially used, this fact confirming its stronger presence in southern Italian woods during the past and suggesting that its decline is mainly due to human overexploitation. The large presence of Cupressus sempervirens, selectively used for the production of poles, confirms that this tree was cultivated in plantations for timber production in the Vesuvius area. Furthermore, it might indicate that cypress could have been present as a natural tree in the local vegetation, suggesting a forest type that nowadays almost completely disappeared from this area and from the entire Italy. The findings of Juglans regia, Pinus pinea and Olea europaea, typical elements of the Mediterranean cultural landscape, show that their use was not limited to fruit production and that Romans also appreciated their timber. Beside these local resources, the presence of Picea abies and Picea/Larix indicates the importation of timber from northerly regions, probably the northern Apennines and the Alps. 相似文献
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刘迪 《中国文物科学研究》2015,(2):12-15
博物馆影响力的程度制约着博物馆社会价值实现充分与否,因而博物馆影响力问题处于博物馆理论体系的核心位置。博物馆影响力的产生基于博物馆物质资源、无形资源与现代媒介的应用;其特点体现为复杂性、非权力性与缓释性;其影响涉及公众、社会与同行业三个层面。而对博物馆影响力理论研究的最终目的在于寻求提升之路径。 相似文献
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Pedro José Javier Di Pietro 《Gender, place and culture : a journal of feminist geography》2016,23(5):677-693
Scholars of space usually neglect the history of travesti populations in Latin America. It is misrepresented not only by disciplinary blind spots but also by global narratives concerned with rehabilitating queer subjects within homonormative projects. Analyzing neoliberal narratives that delink conflicts about racialization and sexuality in Argentina, this article makes room to decolonize the study of travesti experience and embodiment in Buenos Aires's red zone. It examines a network of racialized travestis and their spatial practices, including their migration from the Andean northwest to the sex-work circuits of Buenos Aires. Finally, this article introduces the notion of sideways relationality to account for the cultural and spatial labor that racialized travestis perform at the oppositional margins of homonormative reflexivity. 相似文献
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Maria Paola Pellegrino Michele Degli Esposti Marilisa Buta Enrica Tagliamonte Salah Ali Hassan 《Arabian Archaeology and Epigraphy》2019,30(1):32-74
The aim of this paper is to present the rich set of finds collected inside the grave Dibba 76/1, in the Emirate of Fujairah, during a season of rescue excavation conducted under the direction of S. Ali Hassan in 1994. The recovered grave‐goods include pottery, soft‐stone vessels, metal finds, personal ornaments, coins, and other items. Although comparable with other corpuses of material excavated in south‐eastern Arabia, the material of Dibba 76/1 stands out for the inner variety of the different artefacts’ classes and their remarkable chronological heterogeneity. The study of the grave‐goods suggests that Dibba 76/1 was reused over several centuries, showing a strong continuity in the funerary destination of this specific place from the end of the Wadi Suq period (2000–1600 BC) to the first phases of the late pre‐Islamic period (250 BC–AD 400), and the full integration of the area of Dibba in the succession of the various cultural facies known during this long time span. 相似文献
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Examining histological sections obtained from human bones from Iron Age archaeological excavations (about third to fifth century BC , Alfedena and Sulmona, central Italy), the authors show the presence of an amorphous, afibrillary substance inside the osseous canaliculus in decalcified sections. This substance has shown unusual chromaffinity to staining using the Schmorl method with thionine and phosphowolframic acid. It is probably formed by acid mucopolysaccharides obtained from a transitory betametachromasia with toluidine blue staining at neutral pH. This metachromasia persists after digestion in bacterial collagenesis, but disappears after digestion in bovine testicular jaluronidasis. These reactions indicate that the endocanalicular substance may represent well-kept remains of a Rouget-Neumann sheath, which surrounds cytoplasmic extensions of osteocytes. 相似文献