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您的检索式：作者名="YAO Rujing"
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| 1 | Continuous and comprehensive atmospheric observations in Beijing:a station to understand the complex urban atmospheric environment显示文摘Due to profound impact on climate and human health,air quality has attracted attention from all levels of the civil society.The key step in the provision of required tools for the society to tackle the complex air quality problem is to characterize it in a comprehensive manner with a long-term perspective.Here,we describe a continuous and comprehensive observation station and its accompanying state-ofthe-art instrumentation that was established to investigate the complex urban atmospheric environment in a rapidly developing Chinese Megacity.The station,located in downtown Beijing,aims to study air quality by identifying the major atmospheric pollutants and key processes determining their formation and loss mechanisms.A few hundreds of parameters are continuously measured with the state-of-the-art instruments,including trace gas concentrations,aerosol particle size distributions,and mass concentrations,covering aerosol particle chemical composition from molecules to micrometer-sized aerosol particles.This produced long-term,comprehensive big data with around 1�10^(11)bytes per year.In this paper,we provide an overview on the facilities of the station,the instrumentation used,the workflow of continuous observations and examples of results from 2018 to 2019 and a basis for establishing a modern long-term,comprehensive atmospheric urban observation station in other megacities. | Yongchun Liu Chao Yan Zemin Feng Feixue Zheng Xiaolong Fan Yusheng Zhang Chang Li Ying Zhou Zhuohui Lin Yishou Guo Ying Zhang Li Ma Wenshuo Zhou Zhikun Liu Lubna Dada Kaspar Dallenbach Jenni Kontkanen Runlong Cai Tommy Chan Biwu Chu Wei Du Lei Yao Yonghong Wang Jing Cai Juha Kangasluoma Tom Kokkonen Joni Kujansuu Anton Rusanen Chenjuan Deng Yueyun Fu Rujing Yin Xiaoxiao Li Yiqun Lu Yiliang Liu Chaofan Lian Dongsen Yang Weigang Wang Maofa Ge Yuesi Wang Douglas R.Worsnop Heikki Junninen Hong He Veli-Matti Kerminen Jun Zheng Lin Wang Jingkun Jiang Tuukka Petaja Federico Bianchi Markku Kulmala | 2020 | Big Earth Data2020，4，3： | 3 |
| 2 | A Model for Representing and Reasoning of Topological Relations of Multiple Simple Regions显示文摘There are representative models for spatial topological relations of Region connection calculus and intersections model.The purpose of this paper is to study the topological relations of multiple simple regions.In this paper,the 4-intersection matrix model is extended into a2n-intersection representative function model to represent the spatial relations of multiple simple regions.The exclusiveness and the completeness of these topological relations are proved.Moreover,this paper also gives detailed discussion on the properties and applications of this model from a special and new perspective.And the topological relations among three simple regions in this paper are applied to forecast the impact of typhoon on the specified target areas.Compared with the extended 4-intersection model,8-intersection cube model is more elaborate in representing the topological relations among the three simple regions. | LI Jian WEN Changji YAO Rujing WU Lin | 2017 | Chinese Journal of Electronics2017，26，5： | 1 |
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