Driven by the rapid development of astronomical studies pursued by researchers at different astronomical observato riesunderits administration, the Chinese Academy of Sciences(CAS) has designed and built a series of l...Driven by the rapid development of astronomical studies pursued by researchers at different astronomical observato riesunderits administration, the Chinese Academy of Sciences(CAS) has designed and built a series of large-scale facilitiesfor astronomical observations over the past four decades. Among them are some high-profile ones, represented by the Large Sky Area Multi-Object Fiber Spectroscopic Telescope(LAMOST) and the Five-hundred-meter Aperture Spherical radio Telescope(FAST).展开更多
This study uses methods,such as a nearest proximity index,nuclear density,spatial interpolation,buffering zone,and overlay analysis,based on an exploratory spatial data analysis tool.It focuses on a large commercial f...This study uses methods,such as a nearest proximity index,nuclear density,spatial interpolation,buffering zone,and overlay analysis,based on an exploratory spatial data analysis tool.It focuses on a large commercial facility in which a mathematical analysis is conducted on its spatial patterns.In the study,45 large-scale retail commercial facilities(LSRCFs)in the Gulou District,Nanjing,China,were chosen,and the spatial concentration,density,and structure of the LSRCFs in this area were analyzed.Three additional factors,namely,population,transportation,and consumption,were examined to determine their impact on the spatial patterns of the LSRCFs.Finally,this study recommends a spatial layout for the future of the Gulou District according to the analysis results.展开更多
为进一步提高大型游乐设施使用安全性,以大型游乐设施事故为研究对象,提出了融合故障树分析法(Fault Tree Analysis,FTA)、层次分析法(Analytic Hierarchy Process,AHP)和逼近理想解决策方法(Technique for Order Preference by Similar...为进一步提高大型游乐设施使用安全性,以大型游乐设施事故为研究对象,提出了融合故障树分析法(Fault Tree Analysis,FTA)、层次分析法(Analytic Hierarchy Process,AHP)和逼近理想解决策方法(Technique for Order Preference by Similari-ty to Ideal Solution,TOPSIS)的事故预防方案决策分析。定性定量地分析了大型游乐设施事故危险因素的影响程度,量化了事故预防措施方案以及决策过程。结果表明,在摩天轮坠落事故中,基本事件X3维修保养不到位和X4检查不到位对事故发生的影响程度最高,二者均属于安全制度因素。急需优先采取的事故预防方案为方案6,包括避免乘客和操作人员不安全行为,应对室外不利环境,完善安全制度和提高应急救援能力等措施。展开更多
文摘Driven by the rapid development of astronomical studies pursued by researchers at different astronomical observato riesunderits administration, the Chinese Academy of Sciences(CAS) has designed and built a series of large-scale facilitiesfor astronomical observations over the past four decades. Among them are some high-profile ones, represented by the Large Sky Area Multi-Object Fiber Spectroscopic Telescope(LAMOST) and the Five-hundred-meter Aperture Spherical radio Telescope(FAST).
文摘This study uses methods,such as a nearest proximity index,nuclear density,spatial interpolation,buffering zone,and overlay analysis,based on an exploratory spatial data analysis tool.It focuses on a large commercial facility in which a mathematical analysis is conducted on its spatial patterns.In the study,45 large-scale retail commercial facilities(LSRCFs)in the Gulou District,Nanjing,China,were chosen,and the spatial concentration,density,and structure of the LSRCFs in this area were analyzed.Three additional factors,namely,population,transportation,and consumption,were examined to determine their impact on the spatial patterns of the LSRCFs.Finally,this study recommends a spatial layout for the future of the Gulou District according to the analysis results.
文摘为进一步提高大型游乐设施使用安全性,以大型游乐设施事故为研究对象,提出了融合故障树分析法(Fault Tree Analysis,FTA)、层次分析法(Analytic Hierarchy Process,AHP)和逼近理想解决策方法(Technique for Order Preference by Similari-ty to Ideal Solution,TOPSIS)的事故预防方案决策分析。定性定量地分析了大型游乐设施事故危险因素的影响程度,量化了事故预防措施方案以及决策过程。结果表明,在摩天轮坠落事故中,基本事件X3维修保养不到位和X4检查不到位对事故发生的影响程度最高,二者均属于安全制度因素。急需优先采取的事故预防方案为方案6,包括避免乘客和操作人员不安全行为,应对室外不利环境,完善安全制度和提高应急救援能力等措施。
