In this paper, building to grid(B2G) and vehicle to grid(V2G) have been defined with clear and practical understanding. Both of them are new generation technologies which are the essential part of smart city living an...In this paper, building to grid(B2G) and vehicle to grid(V2G) have been defined with clear and practical understanding. Both of them are new generation technologies which are the essential part of smart city living and crowd energy clustering. Firstly, an in-detailed overview has been provided with an introduction to B2G and V2G followed by a historical overview and theoretical analysis in respect to smart city planning. Next, a review is conducted on current and previous smart living research, which deals with B2G and V2G. Efficient B2G and V2G implementations in practical cases then have been discussed. Lastly, both of these technical prospects have been analyzed in crowd energy diagram.展开更多
随着电动汽车的发展,利用V2G(vehicle to grid)和B2G(battery to grid)实现分布式电源的平滑接入、削峰填谷、提高能量利用率,是当前研究的热点,但缺乏一种适用于电力系统仿真的电动汽车V2G+B2G模型。基于微电网多模能源供给方式,提出了...随着电动汽车的发展,利用V2G(vehicle to grid)和B2G(battery to grid)实现分布式电源的平滑接入、削峰填谷、提高能量利用率,是当前研究的热点,但缺乏一种适用于电力系统仿真的电动汽车V2G+B2G模型。基于微电网多模能源供给方式,提出了V2G和B2G智能结合的工作策略,同时基于Matlab/Simulink平台搭建了V2G+B2G的数字仿真模型,在公共接入点进行电压跌落故障仿真实验。根据动态仿真实验数据,提出了电动汽车换电站与电网互动的机电动态模型,并采用遗传算法进行了参数辨识和模型的有效性、适用性验证,结果证明电动汽车V2G与B2G机电动态模型具有较好的适用性和仿真应用价值。展开更多
针对目前电动汽车与电网互动的随机性、移动性等诸多问题，提出了一种基于Battery to Grid（B2G）模式的电动汽车与燃气轮机调峰的合作博弈模型。通过参与电力公司日前调度的方式，根据电站以及燃气轮机的实时运行情况，以电动汽车运营...针对目前电动汽车与电网互动的随机性、移动性等诸多问题，提出了一种基于Battery to Grid（B2G）模式的电动汽车与燃气轮机调峰的合作博弈模型。通过参与电力公司日前调度的方式，根据电站以及燃气轮机的实时运行情况，以电动汽车运营商和燃气轮机构成的大联盟经济效益与环境效应综合最优为目标，实现大联盟收益最高，采取均分策略、Shapley值策略和等MDP值策略对收益进行分配，求解出在满足策略稳定情况下最优分配方式。算例分析表明，Shapley值策略、等MDP值策略实现了参与调峰下收益在参与者之间的合理分配，满足了个体理性与整体理性，保证了联盟的稳定性，同时也有效降低了参与者各自的运行成本，对系统起到了削峰填谷的作用。展开更多
BACKGROUND Phospholipase A2(PLA2)enzymes are pivotal in various biological processes,such as lipid mediator production,membrane remodeling,bioenergetics,and maintaining the body surface barrier.Notably,these enzymes p...BACKGROUND Phospholipase A2(PLA2)enzymes are pivotal in various biological processes,such as lipid mediator production,membrane remodeling,bioenergetics,and maintaining the body surface barrier.Notably,these enzymes play a significant role in the development of diverse tumors.AIM To systematically and comprehensively explore the expression of the PLA2 family genes and their potential implications in cholangiocarcinoma(CCA).METHODS We conducted an analysis of five CCA datasets from The Cancer Genome Atlas and the Gene Expression Omnibus.The study identified differentially expressed genes between tumor tissues and adjacent normal tissues,with a focus on PLA2G2A and PLA2G12B.Gene Set Enrichment Analysis was utilized to pinpoint associated pathways.Moreover,relevant hub genes and microRNAs for PLA2G2A and PLA2G12B were predicted,and their correlation with the prognosis of CCA was evaluated.RESULTS PLA2G2A and PLA2G12B were discerned as differentially expressed in CCA,manifesting significant variations in expression levels in urine and serum between CCA patients and healthy individuals.Elevated expression of PLA2G2A was correlated with poorer overall survival in CCA patients.Additionally,the study delineated pathways and miRNAs associated with these genes.CONCLUSION Our findings suggest that PLA2G2A and PLA2G12B may serve as novel potential diagnostic and prognostic markers for CCA.The increased levels of these genes in biological fluids could be employed as non-invasive markers for CCA,and their expression levels are indicative of prognosis,underscoring their potential utility in clinical settings.展开更多
On the basis of the crystal field theory, the formulae of the EPR g factors of three order perturbation with b 2g ground state for 3d 9/3d 1 ions at rhombic tetrahedral clusters (AX 4) n- have been obtain...On the basis of the crystal field theory, the formulae of the EPR g factors of three order perturbation with b 2g ground state for 3d 9/3d 1 ions at rhombic tetrahedral clusters (AX 4) n- have been obtained. Using these formulae, The authors investigated the EPR g factors of the crystals Cs 2CuCl 4 and T 2CuBr 4. The calculation results agree with the experimental findings.展开更多
为在满足换电需求的前提下,结合电池的物流配送尽可能降低充电站的投资、运行成本,优化配置集中型充电站动力电池和充电机容量,首先给出基于一定假设条件的电池组配送流程,建立了电池组配送模型。然后,结合换电需求和物流配送建立了集...为在满足换电需求的前提下,结合电池的物流配送尽可能降低充电站的投资、运行成本,优化配置集中型充电站动力电池和充电机容量,首先给出基于一定假设条件的电池组配送流程,建立了电池组配送模型。然后,结合换电需求和物流配送建立了集中充电站运行状态仿真模型,用于目标函数的计算;构建了以集中充电站的年费用最小为目标函数,以日换电需求和充电站规模为约束的数学模型;采用细菌群体趋药性(bacterial colony chemotaxis,BCC)算法求解该模型。最后分析了不同配送次数下,直接充电、错峰充电和电池入网(battery to grid,B2G)充电3种充电方式下集中充电站的容量配置方案;并与等间隔配送方式下所得结果进行对比。算例分析表明:合理的配送计划可以提高充电站运营的经济性;充电方式也是影响容量规划的关键因素。展开更多
文摘In this paper, building to grid(B2G) and vehicle to grid(V2G) have been defined with clear and practical understanding. Both of them are new generation technologies which are the essential part of smart city living and crowd energy clustering. Firstly, an in-detailed overview has been provided with an introduction to B2G and V2G followed by a historical overview and theoretical analysis in respect to smart city planning. Next, a review is conducted on current and previous smart living research, which deals with B2G and V2G. Efficient B2G and V2G implementations in practical cases then have been discussed. Lastly, both of these technical prospects have been analyzed in crowd energy diagram.
文摘随着电动汽车的发展,利用V2G(vehicle to grid)和B2G(battery to grid)实现分布式电源的平滑接入、削峰填谷、提高能量利用率,是当前研究的热点,但缺乏一种适用于电力系统仿真的电动汽车V2G+B2G模型。基于微电网多模能源供给方式,提出了V2G和B2G智能结合的工作策略,同时基于Matlab/Simulink平台搭建了V2G+B2G的数字仿真模型,在公共接入点进行电压跌落故障仿真实验。根据动态仿真实验数据,提出了电动汽车换电站与电网互动的机电动态模型,并采用遗传算法进行了参数辨识和模型的有效性、适用性验证,结果证明电动汽车V2G与B2G机电动态模型具有较好的适用性和仿真应用价值。
文摘针对目前电动汽车与电网互动的随机性、移动性等诸多问题，提出了一种基于Battery to Grid（B2G）模式的电动汽车与燃气轮机调峰的合作博弈模型。通过参与电力公司日前调度的方式，根据电站以及燃气轮机的实时运行情况，以电动汽车运营商和燃气轮机构成的大联盟经济效益与环境效应综合最优为目标，实现大联盟收益最高，采取均分策略、Shapley值策略和等MDP值策略对收益进行分配，求解出在满足策略稳定情况下最优分配方式。算例分析表明，Shapley值策略、等MDP值策略实现了参与调峰下收益在参与者之间的合理分配，满足了个体理性与整体理性，保证了联盟的稳定性，同时也有效降低了参与者各自的运行成本，对系统起到了削峰填谷的作用。
基金Supported by the Key Specialty Construction Project of Shanghai Pudong New Area Health Commission,No.PWZzk2022-17Shanghai East Hospital Clinical Research Project,No.DFLC2022019and the Featured Clinical Discipline Project of Shanghai Pudong District,No.PWYts2021-06.
文摘BACKGROUND Phospholipase A2(PLA2)enzymes are pivotal in various biological processes,such as lipid mediator production,membrane remodeling,bioenergetics,and maintaining the body surface barrier.Notably,these enzymes play a significant role in the development of diverse tumors.AIM To systematically and comprehensively explore the expression of the PLA2 family genes and their potential implications in cholangiocarcinoma(CCA).METHODS We conducted an analysis of five CCA datasets from The Cancer Genome Atlas and the Gene Expression Omnibus.The study identified differentially expressed genes between tumor tissues and adjacent normal tissues,with a focus on PLA2G2A and PLA2G12B.Gene Set Enrichment Analysis was utilized to pinpoint associated pathways.Moreover,relevant hub genes and microRNAs for PLA2G2A and PLA2G12B were predicted,and their correlation with the prognosis of CCA was evaluated.RESULTS PLA2G2A and PLA2G12B were discerned as differentially expressed in CCA,manifesting significant variations in expression levels in urine and serum between CCA patients and healthy individuals.Elevated expression of PLA2G2A was correlated with poorer overall survival in CCA patients.Additionally,the study delineated pathways and miRNAs associated with these genes.CONCLUSION Our findings suggest that PLA2G2A and PLA2G12B may serve as novel potential diagnostic and prognostic markers for CCA.The increased levels of these genes in biological fluids could be employed as non-invasive markers for CCA,and their expression levels are indicative of prognosis,underscoring their potential utility in clinical settings.
文摘On the basis of the crystal field theory, the formulae of the EPR g factors of three order perturbation with b 2g ground state for 3d 9/3d 1 ions at rhombic tetrahedral clusters (AX 4) n- have been obtained. Using these formulae, The authors investigated the EPR g factors of the crystals Cs 2CuCl 4 and T 2CuBr 4. The calculation results agree with the experimental findings.
文摘为在满足换电需求的前提下,结合电池的物流配送尽可能降低充电站的投资、运行成本,优化配置集中型充电站动力电池和充电机容量,首先给出基于一定假设条件的电池组配送流程,建立了电池组配送模型。然后,结合换电需求和物流配送建立了集中充电站运行状态仿真模型,用于目标函数的计算;构建了以集中充电站的年费用最小为目标函数,以日换电需求和充电站规模为约束的数学模型;采用细菌群体趋药性(bacterial colony chemotaxis,BCC)算法求解该模型。最后分析了不同配送次数下,直接充电、错峰充电和电池入网(battery to grid,B2G)充电3种充电方式下集中充电站的容量配置方案;并与等间隔配送方式下所得结果进行对比。算例分析表明:合理的配送计划可以提高充电站运营的经济性;充电方式也是影响容量规划的关键因素。
