关于制定“‘丝绸之路经济带’重大工程建设与安全科技支撑计划”的思考

共建"丝绸之路经济带"(简称"丝路")是关乎我国对外开放长远大计和造福沿线人民福祉的重大战略部署,保障互联互通重大工程建设与安全是基本前提。"丝路"沿线地区广阔的地域范围、复杂的地理环境使得重大工程建设与安全保障面临众多的技术挑战,亟需科技创新支撑解决现实难题。建议实施"中科院丝绸之路经济带重大工程建设与安全科技支撑计划",围绕互联互通重大基础设施建设、绿色经济与生态安全、跨国自然灾害监测预警与综合防治3大科技需求,率先启动一批科技示范项目,加强"丝路"科研平台建设和国际合作研究,积极开展"丝路"重大工程与安全科技咨询,建成"丝路"国家高水平科技智库

宁蒙陕甘沿黄生态经济带建设构想

宁蒙陕甘沿黄地区位于我国西部生态脆弱、经济欠发达边缘地区,经济发展与生态环境建设双重任务艰巨。从宁蒙陕甘沿黄地区区情现状入手,分析了该区域发展生态经济的必要性与基础条件,提出了宁蒙陕甘沿黄生态经济带建设战略构想及相应保障措施。其中,生态产业带建设是关键,重点从培育国家级生态能源基地、高效生态农牧基地和西北生态旅游胜地等角度构建以生态产业为主体的高效生态经济体系,推动区域生态-经济整体协调发展,对于实现我国经济增长中心由东部向中西部转移与统筹区域协调发展具有重大战略意义。国家科技基础性工作专项重点项目(2007FY110300);国家自然科学重大项目-中国西部环境和生态科学研究计划项目(90102013);国家自然科学项目(40671062);国家发展与改革委员会“十一五”发展规划中标项目“中国西部生态-经济区划及典型区可持续发展模式与对策研究

关于制定“‘丝绸之路经济带’国际智库网络与协同平台科技支撑计划”的思考

面向"丝绸之路经济带"(简称"丝路")建设政策沟通和民心相通战略需求,提出"丝路"智库网络与协同平台一体化支撑框架,包括智库网络与人才计划、协同创新平台与信息化科研环境、决策支持系统和国际科技合作计划。通过分析,提出若干科技支撑计划建议:依托中科院科技人才优势和教育资源优势,成立"丝绸之路经济带国际科学家联盟",建立和发展"丝路"国际智库网络;依托地学领域e-science科研环境和国家地球系统科学数据共享平台,提出"丝路"国际科研协同创新平台框架,建立和发展包括数据共享、协同交流、在线研讨、即时通讯等在内的信息化科研环境;针对智库科学决策的需求,提出"丝路"重大问题决策支持系统,建立和发展面向PRED的数据库、模型库、知识库、工具库等支撑系统;提出"丝路"科技人才计划和国际合作计划,促进本区域的能力建设,提高本区域的科技支撑力量,增加本区域的研究基础,为长期有效支撑"丝路"的建设和发展提供不竭动力

JUNO Sensitivity on Proton Decay p→νˉK+p\to \bar\nu K^+ Searches

The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator detector designed to explore many topics in fundamental physics. In this paper, the potential on searching for proton decay in $p\to \bar\nu K^+$ mode with JUNO is investigated.The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification. Moreover, the excellent energy resolution of JUNO permits to suppress the sizable background caused by other delayed signals. Based on these advantages, the detection efficiency for the proton decay via $p\to \bar\nu K^+$ is 36.9% with a background level of 0.2 events after 10 years of data taking. The estimated sensitivity based on 200 kton-years exposure is $9.6 \times 10^{33}$ years, competitive with the current best limits on the proton lifetime in this channel

JUNO sensitivity on proton decay p → ν K + searches*

The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator detector designed to explore many topics in fundamental physics. In this study, the potential of searching for proton decay in the $p\to \bar{\nu} K^+$ mode with JUNO is investigated. The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification. Moreover, the excellent energy resolution of JUNO permits suppression of the sizable background caused by other delayed signals. Based on these advantages, the detection efficiency for the proton decay via $p\to \bar{\nu} K^+$ is 36.9% ± 4.9% with a background level of $0.2\pm 0.05({\rm syst})\pm$$0.2({\rm stat})$ events after 10 years of data collection. The estimated sensitivity based on 200 kton-years of exposure is $9.6 \times 10^{33}$ years, which is competitive with the current best limits on the proton lifetime in this channel and complements the use of different detection technologies