采用上流有限元法定量分析了离子迁移率和离子复合率对±800 k V特高压直流输电线路地面合成场强和离子流密度的影响。结果表明,离子迁移率对地面合成场强影响不大,而地面离子流密度随着迁移率的增大呈线性变化;两者均随离子复合率...采用上流有限元法定量分析了离子迁移率和离子复合率对±800 k V特高压直流输电线路地面合成场强和离子流密度的影响。结果表明,离子迁移率对地面合成场强影响不大,而地面离子流密度随着迁移率的增大呈线性变化;两者均随离子复合率的增大而减小,且复合率对地面离子流密度计算的影响大于对地面合成场强的影响。展开更多
Yueyang Tower,located by Dongting Lake in the city of Yueyang,central China’s Hunan Province,is a time-honored scenic spot,well known across the nation.Its fame is particularly attributed to a renowned Song Dynasty p...Yueyang Tower,located by Dongting Lake in the city of Yueyang,central China’s Hunan Province,is a time-honored scenic spot,well known across the nation.Its fame is particularly attributed to a renowned Song Dynasty poet and intellectual,Fan Zhongyan（989-1052）,展开更多
文摘Yueyang Tower,located by Dongting Lake in the city of Yueyang,central China’s Hunan Province,is a time-honored scenic spot,well known across the nation.Its fame is particularly attributed to a renowned Song Dynasty poet and intellectual,Fan Zhongyan（989-1052）,
