As the basic unit of a city,community is an important carrier of residents’ healthy life.With the development of society,the environmental status of old communities has been unable to meet the needs of residents’ he...As the basic unit of a city,community is an important carrier of residents’ healthy life.With the development of society,the environmental status of old communities has been unable to meet the needs of residents’ healthy life,and it is urgent to optimize the community environment.The emergence of novel coronavirus also put forward more strict requirements for the grassroots governance of old communities in China.Taking Fuguoli community in Beijing City as an example,the problems existing in the external environment of old communities were excavated from the perspective of functional requirements,and the distributed green space layout pattern and the dynamic simulation of community microclimate environment was constructed through the method of field survey and numerical simulation.Furthermore,the environmental optimization strategies of old communities with combination of peacetime and epidemic situation were put forward to help the epidemic prevention and control.展开更多
The supply of emergency materials is the fundament of emergency rescues.In view of the demand for emergency materials in major calamities,in this paper,a system dynamics model of emergency materials is constructed fro...The supply of emergency materials is the fundament of emergency rescues.In view of the demand for emergency materials in major calamities,in this paper,a system dynamics model of emergency materials is constructed from the perspectives of wartime and peacetime.By setting and controlling the relevant parameters and variables,the influence of a variable on the demand and supply of emergency materials and the influence of government strategies on the quantity and provision of emergency material supply are analyzed.We explore the measures that can better ensure the supply to stabilize the social and economic security of the country.The results show that the emergency degree of an event will lead to increases in the amount of government expenditures and in the duration of such expenditures.Meanwhile,the increase in emergency cases will increase the variation range of the supply and demand deviation curve,lengthen the response time to demand,and fasten the growth trend of material supply.The Chinese government adopts comprehensive regulation and control mode,which make the supply and demand reach the equilibrium state more than twice as fast as other control methods.In addition,the promotion of publicity will improve the number of civil materials.A high inflation rate will lead to high imports of government materials,which will consequently affect the supply of emergency materials.The above research findings have important reference significance for the government’s emergency materials management.展开更多
在网络威胁呈爆发式增长的当下,随着业务模式数字化重塑与业务持续性增长,银行业面临因网络安全防线持续扩大所导致的安全设备冗杂、安全运营任务繁重、实战能力不足等问题.对银行业金融机构在安全运营中所面临的挑战进行分析,提出了融...在网络威胁呈爆发式增长的当下,随着业务模式数字化重塑与业务持续性增长,银行业面临因网络安全防线持续扩大所导致的安全设备冗杂、安全运营任务繁重、实战能力不足等问题.对银行业金融机构在安全运营中所面临的挑战进行分析,提出了融合平战一体化安全运营机制的银行业DAO(defence,ability and operation)数字化安全运营体系,重点研究纵深化防护基础、原子化能力中枢、数字化运营总台3层次架构,以及针对常态化、高强度、无间断防护目标的平战一体机制实施路径.展开更多
基金General Project of Natural Science Foundation of Beijing City (8202017)Youth Talent Support Program of 2018 Beijing Municipal University Academic Human Resources Development (PXM2018_014212_000043)。
文摘As the basic unit of a city,community is an important carrier of residents’ healthy life.With the development of society,the environmental status of old communities has been unable to meet the needs of residents’ healthy life,and it is urgent to optimize the community environment.The emergence of novel coronavirus also put forward more strict requirements for the grassroots governance of old communities in China.Taking Fuguoli community in Beijing City as an example,the problems existing in the external environment of old communities were excavated from the perspective of functional requirements,and the distributed green space layout pattern and the dynamic simulation of community microclimate environment was constructed through the method of field survey and numerical simulation.Furthermore,the environmental optimization strategies of old communities with combination of peacetime and epidemic situation were put forward to help the epidemic prevention and control.
基金This research was supported in part by the National Natural Science Foundation of China(No.71701092)the National Social Science Foundation of China(No.20BGL025)+1 种基金the Graduate Student Practice Innovation Program of Jiangsu Province(No.SJCX21_0420)the Social Science Foundation of Jiangsu Province(No.17GLC009).
文摘The supply of emergency materials is the fundament of emergency rescues.In view of the demand for emergency materials in major calamities,in this paper,a system dynamics model of emergency materials is constructed from the perspectives of wartime and peacetime.By setting and controlling the relevant parameters and variables,the influence of a variable on the demand and supply of emergency materials and the influence of government strategies on the quantity and provision of emergency material supply are analyzed.We explore the measures that can better ensure the supply to stabilize the social and economic security of the country.The results show that the emergency degree of an event will lead to increases in the amount of government expenditures and in the duration of such expenditures.Meanwhile,the increase in emergency cases will increase the variation range of the supply and demand deviation curve,lengthen the response time to demand,and fasten the growth trend of material supply.The Chinese government adopts comprehensive regulation and control mode,which make the supply and demand reach the equilibrium state more than twice as fast as other control methods.In addition,the promotion of publicity will improve the number of civil materials.A high inflation rate will lead to high imports of government materials,which will consequently affect the supply of emergency materials.The above research findings have important reference significance for the government’s emergency materials management.
文摘在网络威胁呈爆发式增长的当下,随着业务模式数字化重塑与业务持续性增长,银行业面临因网络安全防线持续扩大所导致的安全设备冗杂、安全运营任务繁重、实战能力不足等问题.对银行业金融机构在安全运营中所面临的挑战进行分析,提出了融合平战一体化安全运营机制的银行业DAO(defence,ability and operation)数字化安全运营体系,重点研究纵深化防护基础、原子化能力中枢、数字化运营总台3层次架构,以及针对常态化、高强度、无间断防护目标的平战一体机制实施路径.