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民国时期青海自然灾害与社会应对: 作者： 袁瑞 来源： 青海师范大学 年份： 2014 文献类型： 学位论文 关键词： 社会应对自然灾害民国时期青海; 描述： 由于所处地理位置的特殊性，自古以来青海就是一个自然灾害不断的地区。民国时期干旱、洪涝、雹灾、雪灾、地震等自然灾害更是频繁发生。这些灾害给民众带来了沉重的灾难，并给这一时期青海社会经济的发展带来了极大的影响。本文以民国时期青海自然灾害与社会应对为研究对象，结合史料，对这一时期自然灾害的类型及其特点、灾; 全文：由于所处地理位置的特殊性，自古以来青海就是一个自然灾害不断的地区。民国时期干旱、洪涝、雹灾、雪灾、地震等自然灾害更是频繁发生。这些灾害给民众带来了沉重的灾难，并给这一时期青海社会经济的发展带来了极大

汉代西北屯田问题探析: 作者： 牟雪松 来源： 青海师范大学 年份： 2010 文献类型： 学位论文 关键词： 西北地区汉代屯田; 描述： governors of HAN Dynasty. The policy was carried out in most area of the west and the north. In DONGHAN Dynasty, it also appeared in the inner area. The thesis is to tell opening up wasteland and analyses the origin and features of opening up wasteland to get the conclusion: Opening up wasteland in ancient times began in War times and was developed fully in HAN Dynasty. Opening up wasteland in northwest area of HAN Dynasty was only a comprehensive policy to defend the country, including the content of politics 、 military and economy. It was t not for the people but for the country. The policy was spread and lasted for a long time. In economy, it promoted the development of agricultural economy in northwest area by bringing new tools and ways of farming, which also joined the relationship between the central area and the northwest. In politics, it laid a solid foundation for the unity of northwest area and the victory against HUN. In culture, it advanced the communication and joint among different races. Meanwhile, it was a base for opening up wasteland by troops and common people in Cao Wei period.; 全文：和性质的分析,认为我国古代屯田兴起于战国时期,在汉朝得到完善和发展。汉代西北的屯田是一项以巩固西北边防为目的的,包括政治、经济、军事内容的综合性措施。只有军屯,没有民屯。汉代军屯规模庞大,持续时间

文明传播视野下的汉代河西开发: 作者： 刘俊玲 来源： 青海师范大学 年份： 2010 文献类型： 学位论文 关键词： 河西汉代开发文明; 描述： ral environments make the cultural dissemination possible. In archeological materials we can see plenty of Neolithic culture and Bronze culture,which may be nomads. Ywati, Wusun, Hun were lived here.Befor Han Dynastie ,the area was regarded as wild and woolly place.the Hun sprang up during Qin and Han Dynastie, Gansu Corridor became more and more imporant in military and politics affairs. After the establish of Western Han Dynasty ,the imperium rehabilitated for tens of years . Emperor han wudi change the plant to the Hun. I n the second year of yuanshou of Emperor han wudi(121BC),Huoqubing go on an expedition to Gansu Corridor,and wan,because the Hunye king killed the Xiutu king . The Hunye king surrenderred and leaded his man about 40000 .This is significant to the history of culture diaaemination. From then on,Han culture hold the dominant position in the war.The pattern of dissemination were war,politics and valueas.And the policy which Han made decision of the dissemination and the speed. After long time Interaction,the two change the hisroy of this area.Although some rejection and degradation happened,the new trail was certainty. Agricultural civilization took new tools to the area,and finally the Silk Road was freely.It made a contribution to culture dissemination.However,the aggressive e x p a n s i o n m a d e t h e immigrate and armies too huge,and led the crisis of ecologyand resource. Qiang civilians uprising during the Eastern Han Dynastie made the land desertificated. The process was not at one stroke,but a long time. Rely on force was to set up a unified ,multinational country.; 全文：的河西被视为蛮夷之地,秦汉时期随着匈奴的崛起,河西开始显示其军事政治的重要性。西汉建立后,随着几十年的休养生息,内地经济实力的增强,从汉武帝开始对匈奴的战略发生根本变化。元狩二年(公元前121年

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