污染大气中浑仪,简仪的带锈防护

浑仪、简仪（以下简称两仪）在高PH、大气污染和日晒雨淋环境中的腐蚀是一种动态加速腐蚀过程。采用合成的双唑胺铜缓蚀剂和有机硅改性的甲基丙烯酸树脂,并分别复配成协同缓蚀剂群和含有增效稳定剂的封护剂。采用这两种材料和脱水后再防护的工艺,使带锈防护后的浑仪、简仪的腐蚀低于无污染大气中的速率。用电化学方法评价了防护技术的可行性,根据腐蚀与人工老化试验结果讨论了防护材料性能与腐蚀环境和带锈防护的关系,采用XPS分析方法探索了双唑胺比BTA更适用于两仪防护的原因。     

Determination of the Fineness of Medieval Coins—Evaluation of Methods in a Case Study of a Medieval Pfennig

The original fineness of coins is very important information that can help us to understand the commercial situation in a wide historical context. This paper deals with a comparison of analytical methods suitable for the evaluation of the actual and original fineness of coins based on a detailed case study of a medieval coin sample. Both non‐destructive (i.e., scanning electron microscopy/energy‐dispersive X‐ray spectroscopy, X‐ray fluorescence, atomic force microscopy and hydrostatic weighing) and destructive (i.e., inductively coupled plasma – mass spectrometry and the Volhard titration method) techniques were used. The original fineness can be also deduced from knowledge of the internal structure of the coin (limited miscibility of copper and silver). A new analytical method based on a combination of a micrograph of the metallographic cross‐section with consequent image analysis was developed for determination of the original fineness. The proposed approach is relatively simple and provides reliable values. Sample heterogeneity and its impact on the determination of fineness are also discussed.     

The Middle Neolithic of Morocco’s North-Western Atlantic Strip: New Evidence from the El-Khil Caves (Tangier)

The period comprising the end of the Early Neolithic and the Middle Neolithic, dated broadly within the fifth millennium cal BC, corresponds to an interval that remains largely unknown in the extreme north-western tip of Africa. This situation contrasts with that of the Early Neolithic, a period characterised by the earliest evidence of the diffusion of a productive economy, cultivated plants and domestic animals. The paucity of data for these later phases can be explained in part by the lack of secure contexts and sequences based on radiocarbon datings of short-lived samples. The current study presents the results of the excavations of El-Khil Caves B and C that yield materials allowing re-evaluation of the chronology of a type of ceramic known as Ashakar ware. The study also identifies two traditions in the northern Moroccan Middle Neolithic. The first is heir to the so-called Impressa Mediterranean ware and rooted in the Cardial Neolithic, while the second is characterised by roulette cord impressions, red slip and tunnel lugs and probably rooted in the region of the Sahara, and has no technological precedents in the study area.     

Territorially unequal rural development: the cases of the LEADER Initiative and the PRODER Programme in Andalusia (Spain)

This paper studies the territorial effects of the LEADER approach in Southern Europe, by analysing the region of Andalusia (Spain). Our research has revealed that, in many cases, projects were concentrated in the most dynamic, most populated areas, with a well-established business network with the financial and organizational capacity required to access European funding. In these areas, the economic leadership of the most dynamic municipalities has been reinforced at the expense of more depressed areas with little social capital and few businesses. These programmes have not, therefore, helped to mitigate territorial imbalances. In a minority of rural areas, however, this trend was not observed, which shows that although territorial inequality is a widespread problem in the practice of neo-endogenous rural development, it does not affect all areas to the same degree.     

Spatial and sectoral differentiation of support to innovative companies from EU funds in Czechia

This paper aims to introduce a case study of Czechia in distribution of the EU funds and their spatial patterns. EU funds receive plenty attention from both European society and the scientific community. However, there is a lack of detailed evaluations of spatial and sectoral differentiation, which might bring a better understanding to the whole EU funds system. This paper attempts to fill this gap with a method of geographical differentiation analysis of the Czech operational programme Enterprise and Innovations 2007–15, which should increase the competitiveness of industry and develop services for commercial activities. Historically, subsidies often go to peripheral regions at the borderland with Slovakia and Poland, while regions along the borders with Germany and Austria receive only a low level of support. Jurisdictions of the major recipients from hi-tech sectors are mainly in the close vicinity of the largest cities (Praha, Brno), which are natural centres of high technologically demanding sectors, but a high share of high-tech subsidies goes to some peripheral districts as well. These findings can contribute not only to the academic discussion about contradictory developmental impacts of subsidies but to the all-European debate on the EU funds purposes as well.     

Intersectionality in feminist geographies

This paper introduces a special themed section that arose from an International Conference on Feminist Geographies and Intersectionality: Places, Identities and Knowledges, held in 2016 at the Universitat Autònoma de Barcelona. Six scholars of Canada, France, Greece, New Zealand, United Kingdom and United States seek to deal in five short papers with the intersectional dynamics of power structures and the central role of place within them. Here we situate the developments of intersectionality in feminist geographies in relation to the role of place and space in constituting intersectional relations, the relevance of context for the development of intersectionality and the use of different methodologies for research on it.     

‘It’s Like Biting Your Own Tail’: Pedro Lemebel’s Queer Response to the Challenge of Subversion in Neoliberal Times

Using the methods of textual analysis and in conversation with both Latin American cultural studies and queer studies, the essay examines the ways that Pedro Lemebel’s diverse body of work – ranging from live performances, fiction, non-fictional crónicas, and interviews – engages the limits of subversion in neoliberal times. On the one hand, Lemebel’s work has been routinely framed in terms of its subversion of gendered, sexual, and political norms. On the other hand, scholars and commentators have not deeply engaged the many ways that Lemebel’s own work comments on and represents the challenges of producing subversive cultural productions in a globalized, late capitalist environment in which subversion, including his own, can be undone precisely when it is most celebrated, valued, and commodified. Reading Lemebel’s commentaries and interviews as producing cultural criticism that complements his better-known crónicas’ and performances’ ideological narratives, the essay argues that Lemebel’s oeuvre repeatedly addresses the challenges of performing a delicate dance between resistance and co-optation, given his acknowledged inseparability from the market. Taking Lemebel as a model for this balancing act, the essay ultimately aims to reveal and critique some of the ways that we academics tend to read sexual dissidence as successful subversion without recognizing its complications and limits.