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The history of using tiles in Persian architecture dates back to the eleventh century. In the beginning, tiles were made of bricks and mounted with plaster. Thereafter, however, tiles were replaced with mosaics to decorate buildings. The technique of applying mosaics began in the thirteenth century and reached its summit during the Ilkhanid and Timurid periods between the fourteenth to sixteenth centuries. One of the most outstanding buildings in which mosaics were widely used is Ghaffarieh Dome, a fourteenth-century building in Maragheh, Eastern Azerbaijan. The Dome is especially noteworthy for its unique mosaic workings. Therefore, a thorough examination of the mosaics used in the Dome may pave the way for closer studies of the Ilkhanid mosaics (tile-workings) in Iran. Since there is little information on the material aspects of mosaics used in the Ghaffarieh Dome, the body and glaze of the mosaics were examined through instrumental analyses. In order to interpret the results of the analyses, they were compared with existing data about similar mosaics of Islamic lands. The presence of pyroxene (aluminum diopside) in some of the mosaic bodies revealed that the firing temperature limit in the kiln was not, most likely, uniform. Two kinds of glazes, alkaline and lead-based, were used to produce black and turquoise colors. 相似文献
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Xiujun Deng 《亚洲交流杂志》2018,28(5):526-540
After the Spring Festival of 2015, an environmental documentary called Under the Dome in which Chai Jing acted as a narrator has caused the public opinion to boom in social media in China. Why could a documentary released by internet attract so much attention and spark such a heated discussion? What are the factors that have influence on the information dissemination of social media environmental mobilization? This paper employed case study and semi-structure interviews to reveal these questions. It turned out that individual trust, group norms and information networks of the social capital played an important role in the social media environmental mobilization. The reason why Under the Dome became a hot issue was that it made full use of the social media users’ trust on the mobilizer, aroused the mobilized’s emotions and combined the network channels of social relationships. 相似文献
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Alessia Bianco 《文物保护研究》2017,62(5):283-293
This paper provides a theoretical, methodological, and practical contribution to the debate about strategies for the divulgation of the Italian technical literature of the eighteenth century in English-speaking countries with attention to the Italian universities and cultural institutions of the time. The paper contains a survey of the historical bibliography of contemporary translations of non-technical treatises of architecture in the English language and it proceeds to draw up a set of guidelines (decalogue) of different recently proposed methodologies and strategies. It describes the selection of the treatise to translate, relevant to the context and authoritative knowledge in the European scientific background of the eighteenth century; it continues by proposing a synopsis of the original text in the Italian modern language, a strategy used in order to make historical technical treatises accessible to the contemporary scientific Italian language. Approaches and strategies are experimented with in the case study of Historic Memories about the Great Dome of the Vatican Church (Le Memorie Istoriche della Gran Cupola Vaticana) by Giovanni Poleni, one of the most authoritative scholars of eighteenth-century Europe. 相似文献
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李林 《岳阳职业技术学院学报》2011,26(5):83-85
某石化厂的2000m3柴油拱顶罐在启泵付料过程中发生罐体被抽瘪的情况,专业人员的调查认为,造成油罐抽瘪的原因是呼吸阀、阻火器几乎被堵死,油罐的内外压差大于油罐失稳时的临界压力以及呼吸阀阻火器设计缺陷,通过分析,制定出防范措施。 相似文献
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