核电仿真技术被广泛地应用于反应堆设计、安全分析、独立安全评价、事故缓解措施、控制与保护系统设计与优化、先进主控室设计验证、操作员培训等方面的研究,有效地提高了核电厂的安全性和经济性。为满足液态燃料熔盐堆实时建模与仿真需...核电仿真技术被广泛地应用于反应堆设计、安全分析、独立安全评价、事故缓解措施、控制与保护系统设计与优化、先进主控室设计验证、操作员培训等方面的研究,有效地提高了核电厂的安全性和经济性。为满足液态燃料熔盐堆实时建模与仿真需求,基于实验物理与工业控制系统(Experimental Physics and Industrial Control System,EPICS)的开源、开放式架构,集成了具备实时动态交互功能的液态燃料熔盐堆系统分析程序RELAP5-TMSR和图形化人机交互界面模块,扩展了可视化控制与保护系统模块,开发了适用于液态燃料熔盐堆的开放式实时建模与仿真平台ThorTypography。以熔盐实验堆(Molten Salt Reactor Experiment,MSRE)的启泵、停泵、自然循环和反应性引入实验作为基准题,对ThorTypography平台开展了正确性验证和实时性测试。验证和测试结果表明:ThorTypography实时建模与仿真平台的计算结果和RELAP5-TMSR独立计算结果基本一致,均与MSRE实验数据符合较好;实时性测试数据显示,平台具有良好的实时性能。ThorTypography适用于液态燃料熔盐堆系统实时建模与仿真,能够为熔盐堆设计、运行和安全分析提供有效的支持。展开更多
[目的]检索1991—2021年EPIC模型的应用情况,进行文献计量和聚类分析,为EPIC模型未来的应用和发展指出方向。[方法]通过检索Web of Science核心数据库,基于检索到的1991—2021年与EPIC模型相关的261篇论文和R软件包bibliometrix文献计...[目的]检索1991—2021年EPIC模型的应用情况,进行文献计量和聚类分析,为EPIC模型未来的应用和发展指出方向。[方法]通过检索Web of Science核心数据库,基于检索到的1991—2021年与EPIC模型相关的261篇论文和R软件包bibliometrix文献计量和聚类分析法,分析了EPIC模型的研究热点和历史发展趋势。[结果]1991—2021年,EPIC模型应用年发文量呈增加趋势,已有研究侧重于水文水资源与气候变化、土壤侵蚀与养分流失、农业干旱和作物生长等4个方面。该模型模拟精度高,能够很好地评价和预测过去、现在和未来的水、土、土壤养分流失和作物产量,但模型也存在参数多,输入数据制备难的缺点。[结论]EPIC模型可应用于多个研究领域,与其他模型及深度学习等方法的耦合,为深入开展“双碳”和水土流失研究、作物生产及对气候变化的响应模拟和预测等工作提供支撑。展开更多
King Gesar,an epic created orally by the Tibetans long ago,covers ethnic groups, language,religion,civil affairs,literature and arts, history,politics,military,ethic,ecology and psychology.etc.Thus it is viewed as Tib...King Gesar,an epic created orally by the Tibetans long ago,covers ethnic groups, language,religion,civil affairs,literature and arts, history,politics,military,ethic,ecology and psychology.etc.Thus it is viewed as Tibetan encyclopedia.A study of the epic shows that in view of the forefathers of the Tibetans,man and nature both have souls and are equal life forms with religious dignity.It is mainly represented in following aspects.the idea of“respecting life and nature”as its core.展开更多
"King Gesar",one of the most famous epics in China,is a heroic epic that has been passed down to the present day and an important component of the outstanding traditional culture of the Chinese nation.After ..."King Gesar",one of the most famous epics in China,is a heroic epic that has been passed down to the present day and an important component of the outstanding traditional culture of the Chinese nation.After the founding of the People's Republic of China in 1949,with the support of the Communist Party of China(CPC)Central Committee.展开更多
There is abundant research on the epic Jangar,which involves many fields such as literature,culture,document,etc.The cross-study between Jangar and different disciplines boosts its continued vitality in the contempora...There is abundant research on the epic Jangar,which involves many fields such as literature,culture,document,etc.The cross-study between Jangar and different disciplines boosts its continued vitality in the contemporary era.The research achievements are as follows.The comparative research is remarkable and the linkage development trend with domestic and foreign literature is optimistic.Besides,multi-channel cultural research is concurrent with steadily advanced source exploration,and the research field has expanded under multidisciplinary guidance.Outstanding achievements have been made in Jangar and Jangarology,and the research on epic development and literature collation has attracted much attention.Meanwhile,the expansion of theoretical construction and the innovation of communication methods flourish the research on Jangar.However,as for the current research situation,there are still some challenges,such as divides in basic problems,insufficient in-depth and comprehensive research fields,and hardships in implementing the inheritance and protection of intangible cultural heritage.展开更多
文摘核电仿真技术被广泛地应用于反应堆设计、安全分析、独立安全评价、事故缓解措施、控制与保护系统设计与优化、先进主控室设计验证、操作员培训等方面的研究,有效地提高了核电厂的安全性和经济性。为满足液态燃料熔盐堆实时建模与仿真需求,基于实验物理与工业控制系统(Experimental Physics and Industrial Control System,EPICS)的开源、开放式架构,集成了具备实时动态交互功能的液态燃料熔盐堆系统分析程序RELAP5-TMSR和图形化人机交互界面模块,扩展了可视化控制与保护系统模块,开发了适用于液态燃料熔盐堆的开放式实时建模与仿真平台ThorTypography。以熔盐实验堆(Molten Salt Reactor Experiment,MSRE)的启泵、停泵、自然循环和反应性引入实验作为基准题,对ThorTypography平台开展了正确性验证和实时性测试。验证和测试结果表明:ThorTypography实时建模与仿真平台的计算结果和RELAP5-TMSR独立计算结果基本一致,均与MSRE实验数据符合较好;实时性测试数据显示,平台具有良好的实时性能。ThorTypography适用于液态燃料熔盐堆系统实时建模与仿真,能够为熔盐堆设计、运行和安全分析提供有效的支持。
文摘[目的]检索1991—2021年EPIC模型的应用情况,进行文献计量和聚类分析,为EPIC模型未来的应用和发展指出方向。[方法]通过检索Web of Science核心数据库,基于检索到的1991—2021年与EPIC模型相关的261篇论文和R软件包bibliometrix文献计量和聚类分析法,分析了EPIC模型的研究热点和历史发展趋势。[结果]1991—2021年,EPIC模型应用年发文量呈增加趋势,已有研究侧重于水文水资源与气候变化、土壤侵蚀与养分流失、农业干旱和作物生长等4个方面。该模型模拟精度高,能够很好地评价和预测过去、现在和未来的水、土、土壤养分流失和作物产量,但模型也存在参数多,输入数据制备难的缺点。[结论]EPIC模型可应用于多个研究领域,与其他模型及深度学习等方法的耦合,为深入开展“双碳”和水土流失研究、作物生产及对气候变化的响应模拟和预测等工作提供支撑。
文摘King Gesar,an epic created orally by the Tibetans long ago,covers ethnic groups, language,religion,civil affairs,literature and arts, history,politics,military,ethic,ecology and psychology.etc.Thus it is viewed as Tibetan encyclopedia.A study of the epic shows that in view of the forefathers of the Tibetans,man and nature both have souls and are equal life forms with religious dignity.It is mainly represented in following aspects.the idea of“respecting life and nature”as its core.
文摘"King Gesar",one of the most famous epics in China,is a heroic epic that has been passed down to the present day and an important component of the outstanding traditional culture of the Chinese nation.After the founding of the People's Republic of China in 1949,with the support of the Communist Party of China(CPC)Central Committee.
文摘There is abundant research on the epic Jangar,which involves many fields such as literature,culture,document,etc.The cross-study between Jangar and different disciplines boosts its continued vitality in the contemporary era.The research achievements are as follows.The comparative research is remarkable and the linkage development trend with domestic and foreign literature is optimistic.Besides,multi-channel cultural research is concurrent with steadily advanced source exploration,and the research field has expanded under multidisciplinary guidance.Outstanding achievements have been made in Jangar and Jangarology,and the research on epic development and literature collation has attracted much attention.Meanwhile,the expansion of theoretical construction and the innovation of communication methods flourish the research on Jangar.However,as for the current research situation,there are still some challenges,such as divides in basic problems,insufficient in-depth and comprehensive research fields,and hardships in implementing the inheritance and protection of intangible cultural heritage.