Objective:To survey and study the emergency response capabilities of grassroots disease control institutions in a certain area for public health emergencies,and to put forward suggestions for rectification.Methods:The...Objective:To survey and study the emergency response capabilities of grassroots disease control institutions in a certain area for public health emergencies,and to put forward suggestions for rectification.Methods:The study was carried out from March 2022 to March 2023.Field surveys,questionnaire surveys,and interviews were used to investigate and analyze the emergency response capabilities of public health emergencies in 5 county Centers for Disease Control and Prevention(CDCs)in the region.Results:Through the survey,it was found that the professional level of the existing emergency team personnel of the grassroots disease control institutions in this region needs to be improved.There was an overall lack of emergency plans,and the compliance rate of the equipment,inspection,and testing items was low.The health emergency system of the CDCs in the region and the ability of the talent team need to be further improved.Conclusion:The emergency response capacity of grassroots disease control institutions in this region needs to be improved.For this reason,government departments need to increase investment and strengthen the construction of talent teams and hardware settings,and grassroots disease control institutions need to strengthen the construction of the public health emergency system to improve the ability to respond to public health emergencies.展开更多
The optimal planning and operation of multi-type flexible resources(FRs)are critical prerequisites for maintaining power and energy balance in regional power grids with a high proportion of clean energy.However,insuff...The optimal planning and operation of multi-type flexible resources(FRs)are critical prerequisites for maintaining power and energy balance in regional power grids with a high proportion of clean energy.However,insufficient consideration of the multi-dimensional and heterogeneous features of FRs,such as the regulation characteristics of diversified battery energy storage systems(BESSs),poses a challenge in economically relieving imbalance power and adequately sharing feature information between power supply and demand.In view of this disadvantage,an optimal planning and operation method based on differentiated feature matching through response capability characterization and difference quantification of FRs is proposed in this paper.In the planning stage,a model for the optimal planning of diversified energy storages(ESs)including Lithium-ion battery(Li-B),supercapacitor energy storage(SCES),compressed air energy storage(CAES),and pumped hydroelectric storage(PHS)is established.Subsequently,in the operating stage,the potential,direction,and cost of FR response behaviors are refined to match with the power and energy balance demand(PEBD)of power grid operation.An optimal operating algorithm is then employed to quantify the feature differences and output response sequences of multi-type FRs.The performance and effectiveness of the proposed method are demonstrated through comparative studies conducted on an actual regional power grid in northwest China.Analysis and simulation results illustrate that the proposed method can effectively highlight the advantages of BESSs compared with other ESs,and economically reduce imbalance power of the regional power grid under practical operating conditions.展开更多
文摘Objective:To survey and study the emergency response capabilities of grassroots disease control institutions in a certain area for public health emergencies,and to put forward suggestions for rectification.Methods:The study was carried out from March 2022 to March 2023.Field surveys,questionnaire surveys,and interviews were used to investigate and analyze the emergency response capabilities of public health emergencies in 5 county Centers for Disease Control and Prevention(CDCs)in the region.Results:Through the survey,it was found that the professional level of the existing emergency team personnel of the grassroots disease control institutions in this region needs to be improved.There was an overall lack of emergency plans,and the compliance rate of the equipment,inspection,and testing items was low.The health emergency system of the CDCs in the region and the ability of the talent team need to be further improved.Conclusion:The emergency response capacity of grassroots disease control institutions in this region needs to be improved.For this reason,government departments need to increase investment and strengthen the construction of talent teams and hardware settings,and grassroots disease control institutions need to strengthen the construction of the public health emergency system to improve the ability to respond to public health emergencies.
基金This work was supported by the Science and Technology Major Project of Tibetan Autonomous Region of China(No.XZ202201ZD0003G).
文摘The optimal planning and operation of multi-type flexible resources(FRs)are critical prerequisites for maintaining power and energy balance in regional power grids with a high proportion of clean energy.However,insufficient consideration of the multi-dimensional and heterogeneous features of FRs,such as the regulation characteristics of diversified battery energy storage systems(BESSs),poses a challenge in economically relieving imbalance power and adequately sharing feature information between power supply and demand.In view of this disadvantage,an optimal planning and operation method based on differentiated feature matching through response capability characterization and difference quantification of FRs is proposed in this paper.In the planning stage,a model for the optimal planning of diversified energy storages(ESs)including Lithium-ion battery(Li-B),supercapacitor energy storage(SCES),compressed air energy storage(CAES),and pumped hydroelectric storage(PHS)is established.Subsequently,in the operating stage,the potential,direction,and cost of FR response behaviors are refined to match with the power and energy balance demand(PEBD)of power grid operation.An optimal operating algorithm is then employed to quantify the feature differences and output response sequences of multi-type FRs.The performance and effectiveness of the proposed method are demonstrated through comparative studies conducted on an actual regional power grid in northwest China.Analysis and simulation results illustrate that the proposed method can effectively highlight the advantages of BESSs compared with other ESs,and economically reduce imbalance power of the regional power grid under practical operating conditions.
