Subjects: Other Disciplines >> Synthetic discipline submitted time 2023-03-28 Cooperative journals: 《中国科学院院刊》
Abstract： In recent years, with the rapid development of various types of sensing technology, humans have achieved unprecedented high-frequency monitoring of various types of urban data. The collection, aggregation, sharing, management, integration, analysis, application and service of multi-source data can effectively reduce the energy consumption of urban resources and improve the efficiency of urban management. It becomes the core concern of urban managers and the public. Taking the construction and related applications of the spatial information common platform of Sino-Singapore Tianjin Eco-city as an example, this paper systematically introduces the core role of the spatial information common platform in the construction of smart cities. Furthermore, the urban data system and the aggregation, collating and fusion is elaborated. Based on this common platform and these multi-source urban data, a set of single-index and comprehensive-index urban pulsation analysis methods are proposed. Finally, the future development directions of smart city practice in data sharing, analysis and application services are prospected.
Subjects: Materials Science >> Materials Science (General) submitted time 2016-11-15 Cooperative journals: 《金属学报》
Abstract：本文简述了近年来国内外SiC纤维增强钛基复合材料的发展进程和应用进展情况，从纤维批量化生产、复合材料界面、主要力学性能、无损检测和结构件研制与考核五个方面对该类材料的研究进展进行了回顾。在纤维批量化生产和结构件研制方面，重点介绍了中国科学院金属研究所的研究工作，并对该类复合材料未来的发展趋势进行了展望
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