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机构地区:[1]中国水利水电科学研究院,北京100038 [2]华北水利水电大学,郑州450011
出 处:《南水北调与水利科技》2015年第2期374-377,共4页South-to-North Water Transfers and Water Science & Technology
基 金:国家自然科学基金面上项目"基于二层结构的水量水质联合模拟调控模型研究"(51279210)
摘 要:火核电行业是工业行业的第一用水大户,掌握分析其用水特征是提高工业用水效率的前提,对建设节水型社会、落实最严格水资源管理制度具有非常重要的意义。数据包络分析法(DEA模型)是一种非参数前沿效率分析方法,结合我国火核电行业历年用水趋势和区域分布特征,基于DEA模型对火核电工业的用水特征进行了分析。结果表明,1999年-2011年火核电行业的装机规模和用水量均呈显著增长趋势,但近年来用水量逐渐趋于稳定;由于直流式火核电的比例逐渐降低,火核电行业的整体用水效率逐步提高;区域分布上,火核电行业的用水效率基本呈东南沿海向西北内陆逐渐升高的分布特征,与我国水资源分布特点具有明显的对应关系。Thermal and nuclear power industry has the largest water use in the industrial sector.Knowledge of the water use characteristics of thermal and nuclear power industry is the foundation of improving water use efficiency,which is beneficial for the construction of water-saving society and the strictest water resources management system.Data envelopment analysis(DEA)is a non-parametric frontier method,and it is used to analyze the water use characteristics of thermal and nuclear power industry based on the water use trend and regional distribution.The results show that(1)the installed capacity scale and water use of thermal and nuclear power industry are increasing from 1999 to 2011;however,water use is steady while the installed capacity is still increasing in recent years;(2)water use efficiency of thermal and nuclear power industry is improved because of the increasing of once-through cooling power plants;and(3)characteristics of water use efficiency increases gradually from the southeast coastal area to the northwest inland area,which is similar to the distribution characteristics of water resources in China.
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