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In recent hundred years the annual discharge variations of the Changjiang River (represented by the Yichang station) and the Huanghe River (represented by Shanxian and Tangnaihe, respectively) have closely related to the geographical distribution of the earthquakes coming about in China in the same year, Both the occurrence of the destructive seism or seismic swarm in the river basins and the disappearance of the shocks in the east and south of the basins are the conditions that the Changjiang and Huanghe Rivers are the high flow while that the strong earthquake of magnitude 7 or more occurred in North China is the condition for the Changjiang low flow year and that of 6 or more in the Qilian Mountains area is for the Huanghe River. In the latter part of this paper, a 2-year sample is given to explain that the conditions of the 2 rivers being high flow years are that the north-south seismic belt is active and in the meanwhile no seism occurred in South China, and those of the low flow year are that the 相似文献
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Internet已经发展成为最大的信息载体和传输工具 ,学会有效地利用网上资源是教育信息化的基本要求。本文比较系统地介绍了Internet化学资源搜索引擎Chemie .De的一般特点和所提供的主要服务 ,以期对化学教育工作者有所帮助。 相似文献
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高校教师的绩效考核关系到高校人事制度改革的成败,因此构建科学、合理的绩效考核体系成为高校人力资源管理工作的重点与难点。建立合理、全面、公平和可操作性强的教师教学工作绩效考评体系,客观地、准确地评价教师个体和整体的能力和水平,是一切工作的前提。本文运用360度绩效考评法建立教师教学工作绩效考核体系对高校教师教学工作进行绩效考评,相对于传统单一评价主体而言,更显公平、公正,更有利于提高教师工作积极性、创造性,并能为人力资源管理部门提供决策的反馈信息。 相似文献
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