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The Current Situation and Planning Strategy of Police Station Facilities in Megacities Under the Background of New Urbanization:A Case Study of changping district in Beijing

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Journal of Landscape Research 2020年第3期12卷 47-53页

作者： LI Daoyong LIU Junchen LIU Mengge School of Architecture and Art North China University of TechnologyBeijing 100144China

In the process of new urbanization,the population of megacities is increasing rapidly,the scale of cities is expanding,and the supply of service facilities has been unable to meet the demand.As an important carrier of urban governance and urban management,the police station should properly deal with the existing problems in the urban police stations,and improve the quality of life of residents by optimizing urban service facilities,which is of great significance for the implementation of people-oriented new urbanization.Taking changping district of Beijing as an example,this study pointed out that there were many problems in police stations in changping district.For example,the area of land is not up to the standard,the service capacity is not up to the demand,and the facilities are not up to the demand.Then,three planning strategies:adjusting the planning standards of facilities,optimizing the spatial layout of facilities,and strengthening the later guarantee of facilities were put forward,so as to improve people’s satisfaction with life,promote the high-quality development of new urbanization,and provide reference for the supplement of service facilities in megacities.

关键词： New urbanization Megacities Police station changping district

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Deformed stromatolites in marbles of the Mesoproterozoic Wumishan Formation as evidence for synsedimentary seismic activity

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Journal of Palaeogeography 2013年第4期2卷 390-401页

作者： A.J.(Tom) van Loon Su Dechen Geological Institute Adam Mickiewicz University Institute of Geology Chinese Academy of Geological Sciences State Key Laboratory of Continental Tectonics and Dynamics

The Mesoproterozoic Wumishan Formation consists mainly of dolomites that represent diagenetically transformed limestones deposited in a shallow peritidal environment.Although the environment was tectonically stable,the study area in the changping district(north of the Beijing area) was affected by synsedimentary earthquakes.Later,the dolomites in the study area were intruded by a granite.This resulted in contact metamorphism of the dolomites,changing them in a halo around the intrusion into marble.This marble,which is exposed near Taoyukou Village,shows some levels with well-developed stromatolites.The stromatolites contain structures that point at deformation when the stromatolites had not yet been lithified,and thus represent soft-sediment deformation structures.The stromatolites apparently built up during a time-span when repeated deformational processes affected the still unlithified sediment,from the sedimentary surface down to maximally a few decimeters.The deformed stromatolites thus represent seismites,which feature is exceptionally rarely recognizable in marble.

关键词： soft-sediment deformation stromatolites seismites Wumishan Formation Mesoproterozoic changping district Beijing

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