On the basis of the investigated data for sea ice physical processes duringthe Second Chinese National Arctic Research Expedition(CHINARE-2003)in the summer of 2003,the seaice dynamical characteristics were analyzed a...On the basis of the investigated data for sea ice physical processes duringthe Second Chinese National Arctic Research Expedition(CHINARE-2003)in the summer of 2003,the seaice dynamical characteristics were analyzed and the parameters describing these characteristicswere given.The new findings discovered from these parameters are:(1)The ice concentration obtainedfrom the investigation is two tenths to three tenths lower compared with that from the NOAA IceChart;and the ice thickness in the summer is 2 m less compared with the results obtained during theFirst Chinese National Arctic Research Expedition in 1999(CHINARE-1999),(2)the standarddeviation of the ice bottom fluctuation is 3.8 times that of the snow surface on the.ice sheet;(3)the maximum speed of the ice floe on which camp CHIS7 is located(CHIS7 floe)is 1300 m/h withrotation and oscillation.The rotation angle increased stepwise,the maximum being 37.8°,whilethe CHIS7 floe moved toward the north-east,and its rotation angle decreased stepwise.While theCHIS7 floe moved south-eastward.The oscillation period of CHIS7 floe is 12.45 h,which isconsistent with that of the inertial current at the same latitude,showing the contribution of theinertial current to the ice floe movement.展开更多
把握全球高等教育质量保障研究的特征与趋势,可以为我国高等教育质量保障研究提供新的视角。运用VOSviewer,对Web of Science数据库核心合集收录的1508篇以高等教育质量保障为主题的文献进行分析,绘制出全球高等教育质量保障研究的作者...把握全球高等教育质量保障研究的特征与趋势,可以为我国高等教育质量保障研究提供新的视角。运用VOSviewer,对Web of Science数据库核心合集收录的1508篇以高等教育质量保障为主题的文献进行分析,绘制出全球高等教育质量保障研究的作者共现图谱、高被引文献聚类图谱、关键词共现图谱和文献耦合图谱。研究结果表明:高等教育质量保障全球化合作不断扩展;高等教育质量保障专业化特征显著;高等教育质量保障热点紧扣时代主题;高等教育质量保障未来发展回归人本。加强我国在全球高等教育质量保障研究领域的影响力与系统建设,需完善制度保障、加强学术共同体建设、改进质量保障实践手段以及落实以人为本的核心理念。展开更多
基金supported by the Na-tional Natural Science Foundation of China under con-tract Nos 40233032 and 40376006China Science and Technology Basement and Social Commonweal Special Project under contract 2003DEB5J057.
文摘On the basis of the investigated data for sea ice physical processes duringthe Second Chinese National Arctic Research Expedition(CHINARE-2003)in the summer of 2003,the seaice dynamical characteristics were analyzed and the parameters describing these characteristicswere given.The new findings discovered from these parameters are:(1)The ice concentration obtainedfrom the investigation is two tenths to three tenths lower compared with that from the NOAA IceChart;and the ice thickness in the summer is 2 m less compared with the results obtained during theFirst Chinese National Arctic Research Expedition in 1999(CHINARE-1999),(2)the standarddeviation of the ice bottom fluctuation is 3.8 times that of the snow surface on the.ice sheet;(3)the maximum speed of the ice floe on which camp CHIS7 is located(CHIS7 floe)is 1300 m/h withrotation and oscillation.The rotation angle increased stepwise,the maximum being 37.8°,whilethe CHIS7 floe moved toward the north-east,and its rotation angle decreased stepwise.While theCHIS7 floe moved south-eastward.The oscillation period of CHIS7 floe is 12.45 h,which isconsistent with that of the inertial current at the same latitude,showing the contribution of theinertial current to the ice floe movement.
文摘把握全球高等教育质量保障研究的特征与趋势,可以为我国高等教育质量保障研究提供新的视角。运用VOSviewer,对Web of Science数据库核心合集收录的1508篇以高等教育质量保障为主题的文献进行分析,绘制出全球高等教育质量保障研究的作者共现图谱、高被引文献聚类图谱、关键词共现图谱和文献耦合图谱。研究结果表明:高等教育质量保障全球化合作不断扩展;高等教育质量保障专业化特征显著;高等教育质量保障热点紧扣时代主题;高等教育质量保障未来发展回归人本。加强我国在全球高等教育质量保障研究领域的影响力与系统建设,需完善制度保障、加强学术共同体建设、改进质量保障实践手段以及落实以人为本的核心理念。
