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61.
    
The SAFE experimental programme consists of a series of 10 specimens of shear walls, with different reinforcement ratios, tested until their ultimate capacity under seismic input motion by the pseudo dynamic method. A unique input signal is used, calibrated for controlling the seismic demand. Its input central frequency is selected so that for some specimens it is lower than their eignenfrequency, while for other ones it is the opposite. In conclusion there is clear experimental evidence that design margins are much larger in the second case (input central frequency larger than structure eignenfrequency) than in the first one.  相似文献   
62.
  总被引:1,自引:0,他引:1  
ABSTRACT This paper examines whether access to markets had a significant influence on migration choices of Spanish internal migrants in the interwar years. In it we perform a structural contrast of a New Economic Geography model that focuses on the forward linkage that links workers location choice with the geography of industrial production. The results prove the existence of a direct relation between workers' localization decisions and the market potential of the host regions. This could help to explain the apparently low intensity of internal migrations in Spain until the 1920s as well as its geography.  相似文献   
63.
    
Reccopolis was a new urban foundation of the late sixth century AD, built by King Liuvigild during the period of the Visigothic state formation. The city was equipped, alongside other facilities, with an aqueduct built ex novo in the Roman technique. This has only recently been studied. The construction of a new city and a new aqueduct indicates a great economic effort by the Visigothic ruler: the event was in itself also a grand act of propaganda in addition to its obvious functional purpose. The aqueduct is itself unmatched in public constructions of this period.  相似文献   
64.
    
Summary

Both Iberian and Spanish American liberals in the early decades of the nineteenth century based their political stances upon a particular vision of Spanish history. This vision, nourished by the stereotypes of the so-called ‘black legend’, correspond to an extremely gloomy picture of the main events and processes that had been taking place in the Hispanic monarchy since the late fifteenth century, such as the discovery and conquest of America and the outcome of the Comunidades of Castile war. This essay shows how those first Hispanic liberals, many of whom spent several years in exile, hoping to make sense of that period of uncertainty and revolutionary crisis, sought inspiration in the philosophies of history which were beginning to spread from Northern Europe regarding the decisive role of Protestantism in the origins of modernity. In endorsing such a derogatory vision of the history of their own countries, which included an evaluation of Catholicism as a retrograde factor, those liberal writers and politicians bequeathed to their descendants an interpretative framework that would prove to be very long lasting. In fact, much of the political and intellectual historiography on the Iberian world would be conditioned for a long time by a paradigm which described its past as an anomaly in the Euroamerican context, and assumed the subordinate and peripheral position of the region, portrayed as a kind of ‘interior Orient’—that is, as an aberration of Western civilisation.  相似文献   
65.
    
Several recent studies have demonstrated the complexity of funerary practices in megalithic burials. Mortuary taphonomy has proposed models to explain these practices, in which different actions, such as the generation of primary and secondary deposits, the selection and manipulation of bone remains, the extraction of materials from the grave, and so forth, can be identified. However, in the northern sub-plateau of the Iberian Peninsula, the interpretation of funerary gestures related to megalithic tombs has not been systematically studied from the perspective of taphonomy. In this paper, we study two sites, Los Zumacales and La Lora, dated to the fourth millennium B.C. The analysis considers all the burial practices linked with megalithic tombs, with a focus on the social and natural processes involved in the formation of these complex mortuary deposits. In both examples, direct evidence of perimortem manipulation of human remains is documented by the presence of fresh fractures and cut marks in different long bones. As suggested in the discussion, this evidence may be related to secondary reduction practices following the initial deposition of the bodies.  相似文献   
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67.
    
This paper explores the factors determining collective identities in the Basque Country and Catalonia, paying special attention to language and birth as key domains of ethnolinguistic divide. We will also make a comparison to the case of Valencia, a region with a native language that nevertheless has not developed a nationalist movement. We have performed a cluster analysis to compare the differences between collective identities in these regions using data from the survey on National Identity in Spain, and discriminant analysis is used to test the validity of our model. Results show that an ethnolinguistic division, based on parental origin and linguistic skills, defines peripheral identities in the Basque Country and Catalonia, but this singularity cannot be found for Valencia. Finally, our model corroborates the relevance of ethnolinguistic factors in defining collective identities in the Basque and Catalan regions, while the civic factor may be more relevant in Valencia.  相似文献   
68.
    
The excavation of the north house at the archaeological site of Arucci (Aroche, Huelva) has provided interesting data for understanding city planning in general, and domestic architecture in particular. Investigation of their environments has allowed the identification of the distinct functions for which they were intended, including two significant tabernae that were connected to one of the main thoroughfares of the city. In one of them, an interesting set of ceramic fragments has been recovered, whose features allow us to recognize them as ceramic containers for fattening the much-appreciated dormouse. This find signifies an interesting novelty in the archaeological record of the city from which various aspects of the diet of its inhabitants can be inferred, as well as the breeding and production of the rodents.  相似文献   
69.
    
Javier Moreno Zacarés 《对极》2020,52(5):1351-1372
Despite a cascade of corruption scandals over the last decade, the role of political corruption has yet to be accounted for in the scholarship on Spanish urban entrepreneurialism. This is an omission that extends to the broader literature on the topic as well. This paper looks at the theoretical causes of this neglect and explores ways of integrating corruption into the study of urban entrepreneurialism. To do so, it offers a systematic analysis of the role of clientelism in the political economy of Spanish inter-urban competition. Contrary to the existing literature, which at best explains away corruption as a logical outgrowth of intensified competition for real estate capital, this paper argues that corruption is rooted in a political structure that precedes the emergence of urban entrepreneurialism. This structure is identified as an “iron triangle”, a complex of colluding interests formed by the state, the real estate industry, and political parties.  相似文献   
70.
A huge monolithic piece corresponding to the first years of the sixteenth century has been discovered in Mexico City. It represents the earth goddess Tlaltecuhtli. The preservation of such a magnificent piece is imperative. Therefore, the surface has to be characterized and the interaction of consolidants with the rock has to be understood.Some of the consolidation methods are impregnation of the mineral with nopal or silicic acid derivatives. In this work we compare the physico-chemical effects of organic and inorganic consolidants. Original and impregnated samples are characterized with a series of original techniques: X-ray diffraction, nuclear magnetic resonance, nitrogen adsorption and small angle X-ray scattering. Fractal dimension, specific surface area and pore size distribution clearly differentiated the samples. The organic materials, nopal gum or slobber, cover the mineral particles with a smooth layer. The KSE solutions react and lead to microporosity.  相似文献   
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