Objective The Ordos Basin located in the westem part of the North China Craton bears various energy resources such as oil, gas, coal and uranium. It is one of the richest uranium-bearing basins in China. Since the di...Objective The Ordos Basin located in the westem part of the North China Craton bears various energy resources such as oil, gas, coal and uranium. It is one of the richest uranium-bearing basins in China. Since the discovery of the large-scale Dongsheng, Hangjinqi and Daying uranium deposits in the north of the Ordos Basin, a new breakthrough of uranium exploration has been achieved in the Ningdong area (eastern Ningxia) on the western margin of the Ordos Basin (WMOB) in the past two years (Wang Feifei et al., 2017).展开更多
1 Sedimentary-type and Sandstone-type Uranium Resources Over the past three decades,with the success in in-situ leach(ISL)mining of sandstone-type uranium deposits(SUD),the quantity,resources and production of
沿途敷设方式、土壤环境等的不同导致电缆线路存在载流量瓶颈,整条电缆线路的负载能力由其瓶颈段决定。在电缆导体温度评估的基础上,提出了电缆线路载流量瓶颈的识别方法。针对广州220 k V麒天甲乙线的实际情况,识别了典型场景下的载流...沿途敷设方式、土壤环境等的不同导致电缆线路存在载流量瓶颈,整条电缆线路的负载能力由其瓶颈段决定。在电缆导体温度评估的基础上,提出了电缆线路载流量瓶颈的识别方法。针对广州220 k V麒天甲乙线的实际情况,识别了典型场景下的载流量瓶颈,分析了载流量瓶颈的时空特性,评估了该线路的负载能力。研究结果表明,在持续负荷作用下,电缆线路的载流量瓶颈段与负荷的轻重、季节等有关;在应急负荷作用下,电缆线路的载流量瓶颈段与初始负荷电流大小、应急时间、应急电流大小等有关。研究成果可为复杂敷设电缆线路的负荷调度提供技术支持,提高负荷高峰期电缆运行的安全性。展开更多
基金This work was supported by the National Natural Science Foundation of China(grant No.41330315)China geological survey(grant No.12120114009201)
文摘Objective The Ordos Basin located in the westem part of the North China Craton bears various energy resources such as oil, gas, coal and uranium. It is one of the richest uranium-bearing basins in China. Since the discovery of the large-scale Dongsheng, Hangjinqi and Daying uranium deposits in the north of the Ordos Basin, a new breakthrough of uranium exploration has been achieved in the Ningdong area (eastern Ningxia) on the western margin of the Ordos Basin (WMOB) in the past two years (Wang Feifei et al., 2017).
基金financially supported by China Geological Survey Special Project (No. 12120114009201)Independent Innovation Program for Graduate Students of Northwestern University (YZZ14019)
文摘1 Sedimentary-type and Sandstone-type Uranium Resources Over the past three decades,with the success in in-situ leach(ISL)mining of sandstone-type uranium deposits(SUD),the quantity,resources and production of
文摘沿途敷设方式、土壤环境等的不同导致电缆线路存在载流量瓶颈,整条电缆线路的负载能力由其瓶颈段决定。在电缆导体温度评估的基础上,提出了电缆线路载流量瓶颈的识别方法。针对广州220 k V麒天甲乙线的实际情况,识别了典型场景下的载流量瓶颈,分析了载流量瓶颈的时空特性,评估了该线路的负载能力。研究结果表明,在持续负荷作用下,电缆线路的载流量瓶颈段与负荷的轻重、季节等有关;在应急负荷作用下,电缆线路的载流量瓶颈段与初始负荷电流大小、应急时间、应急电流大小等有关。研究成果可为复杂敷设电缆线路的负荷调度提供技术支持,提高负荷高峰期电缆运行的安全性。