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敦煌五兆卜法文献校录研究
作者: 王祥伟   来源: 兰州大学 年份: 2009 文献类型 : 学位论文 关键词: 易占   五行   五兆卜法   敦煌   龟卜  
描述: "Five-signs",a phrase referring to divination by tortoise-shell or that related with it, occurs frequently in traditional literatures.
全文:的应用。同时,龟卜和易之间以五行理论作为理论桥梁而产生了密切的联系,主要体现在龟卜与五行在分宫法、龟卜兆象的分爻等方面所表现出的一致性。在这样的背景之下,西汉末期以后,龟卜逐渐走向了五行易化的道路
不同耕作措施对麦—豆轮作条件下土壤有机碳库的影响
作者: 毕冬梅   来源: 甘肃农业大学 年份: 2009 文献类型 : 学位论文 关键词: 碳素有效率   耕作措施   碳库管理指数   土壤有机碳库   轮作  
描述: 本文以甘肃农业大学定西旱农综合试验站的长期定位试验为基础,对麦-豆轮作次序下不同耕作措施间的土壤有机碳、氧化碳、微生物量碳以及水溶性有机碳的含量进行了测定,计算了土壤碳素利用效率和碳库管理指数在
全文:本文以甘肃农业大学定西旱农综合试验站的长期定位试验为基础,对麦-豆轮作次序下不同耕作措施间的土壤有机碳、氧化碳、微生物量碳以及水溶性有机碳的含量进行了测定,计算了土壤碳素利用效率和碳库管理指数在
现生野猪头骨解剖形态学与仰韶文化遗址出土猪骨材料的鉴定分析
作者: 杨苗苗   来源: 西北农林科技大学 年份: 2009 文献类型 : 学位论文 关键词: 猪骨   现生   野猪头骨   解剖形态学   仰韶文化  
描述: and South of China.
全文:,从而建立猪群的年龄结构,最后采用齿轮法对猪的死亡季节进行了分析。结果如下: 1.对野猪头骨进行测量,显示浙江衢州与王屋山野猪间头骨解剖形态间存在部分差异;对臼齿尺寸的测量,显示浙江衢州野猪整体上臼齿尺寸
现生野猪头骨解剖形态学与仰韶文化遗址出土猪骨材料的鉴定分析
作者: 杨苗苗   来源: 西北农林科技大学 年份: 2009 文献类型 : 学位论文 关键词: 猪骨   现生   野猪头骨   解剖形态学   仰韶文化  
描述: and South of China.
全文:,从而建立猪群的年龄结构,最后采用齿轮法对猪的死亡季节进行了分析。结果如下: 1.对野猪头骨进行测量,显示浙江衢州与王屋山野猪间头骨解剖形态间存在部分差异;对臼齿尺寸的测量,显示浙江衢州野猪整体上臼齿尺寸
新疆特色农业现代化路径分析
作者: 赵雯   来源: 新疆大学 年份: 2009 文献类型 : 学位论文 关键词: 路径   农业现代化   特色   新疆  
描述: 中国是世界人口第一大国,在我国这样一个农村人口70%以上的国家,如何通过大力发展农业,解决众多人口的温饱问题,有着突出的国内和国际重大意义,实现农业现代化是中国长期而艰巨的任务,没有农业的现代化就没有整个国家的现代化。中央把新疆作为重要的战略储备基地,农业现代化发展关系到新疆稳定发展,鉴于农业现代
全文:中国是世界人口第一大国,在我国这样一个农村人口70%以上的国家,如何通过大力发展农业,解决众多人口的温饱问题,有着突出的国内和国际重大意义,实现农业现代化是中国长期而艰巨的任务,没有农业的现代化就
清代甘肃黄土高原的土地利用
作者: 刘维   来源: 陕西师范大学 年份: 2009 文献类型 : 学位论文 关键词: 清代   农业技术   土地制度   甘肃黄土高原   土地资源  
描述: ainly chooses three aspects, the quantity and quality of farmland, the land system and agricultural technology, to analysis the fact that the land system, the land utilization patterns and the selection of agricultural technology are constrained by natural environment and land resources, accordingly reveal the main-land relationship which is influenced by natural environment. The thesis is composed of four parts.
全文:的改进,从而提高土地利用率,进而实现粮食增产的目标。由于该区雨泽稀少、土质旱,所以出现了撞田法、砂田法的土地利用方式,以此来补给口粮,但是这两种方法都有弊端,因此要深入解决人地矛盾,还须依靠水利技术
清代甘肃黄土高原的土地利用
作者: 刘维   来源: 陕西师范大学 年份: 2009 文献类型 : 学位论文 关键词: 清代   农业技术   土地制度   甘肃黄土高原   土地资源  
描述: ainly chooses three aspects, the quantity and quality of farmland, the land system and agricultural technology, to analysis the fact that the land system, the land utilization patterns and the selection of agricultural technology are constrained by natural environment and land resources, accordingly reveal the main-land relationship which is influenced by natural environment. The thesis is composed of four parts.
全文:的改进,从而提高土地利用率,进而实现粮食增产的目标。由于该区雨泽稀少、土质旱,所以出现了撞田法、砂田法的土地利用方式,以此来补给口粮,但是这两种方法都有弊端,因此要深入解决人地矛盾,还须依靠水利技术
曹魏两大政治集团论析
作者: 王建明   来源: 山东大学 年份: 2009 文献类型 : 学位论文 关键词: 曹魏政治集团   汝颍   谯沛  
描述: Group headed by Cao Cao, Shuzhong Group led by Liu Bei, Jiangdong Group led by Sun Quan. The political bloc led by Cao Cao had the most abundant strength and talents came forth in large numbers. During the long-term expedition two major factions within formed: Ru一Ying Group and Qiao Pei Group. Ru-Ying Group charged civil service mainly and Qiao Pei Group was mainly made up of generals. These two groups had a long-term punitive expedition since Cao Cao fought against Dong Zhuo. Finally they unified vast areas of Northern China and carried out fruitful management, which avoided serious damage in the region by a long war and laid a good economic, political and military foundation for the unification of China in the future. Cao Cao fought against Dong Zhuo at the beginning, seizing Yanzhou, Zhangxiu, Xuhuai, Guandu, the four states, Wuhuan and Jingzhou, beat the seemingly invincible powerful opponents one after another. His forces got stronger and stronger. The two major political groups of Cao Wei supported Caocao on political and military aspects. Because these two groups represented the interests of their own, inevitably buried hidden dangers of can get on well with in adversity but can not share wealth. Ru-Ying Group is represented by the family of Han who was in the name of safeguarding the rule of the Eastern Han dynasty but to protect their interests. They can support Cao Cao's domination, but resolutely oppose his taking over Han dynasty. Qiao Pei Group on behalf of Cao Cao's family numbers who wished to gain greater benefits through Cao Cao's taking over Han dynasty. AD 209 years, The Battle of Red Cliff, which was Cao Cao's great cause of reunification of the most important ended in failure. As the highest strategic staff groups, Ru Ying Group throughout the campaign process simultaneously inconceivable aphasia, and the army of Cao Cao was defeated. Cao Cao became unable to dominate the country again in the rest of his life. This result was what Sun Quan, Liu Bei would like to see, Ru Ying Group was also willing to see it. From the historical records there was no record of staff at the Advanced Medium's death to give people the impression that Ru-Ying Group seemed to have known the defeat in advance. When Cao Cao was still alive, Qiao Pei Group holded the upper hand. But after the death of Cao Cao, Ru-Ying Group strongly supported Cao Pi to be the king. Finally Chen Qun put forward "Jiupinzhongzheng system", which established the family of Han's political monopoly. The two major political groups gradually moved towards a balance. After the death of Wei Ming King, the two major political groups split from co-operation, eventually formed a situation of endless immortality. Cao Shuang and He Yan of Qiao Pei Group were launched by Sima Yi through Gaopingling case when the situation was good. Sima Yi killed Cao Shuang and holded military and political power in the country. He cruelly blowed members of the Group Qiao Pei through a series of charges against them. Then, Jin Dynasty took place Wei. Ru-Ying Group obtained a comprehensive win. While Qiao Pei Group after its three generations with a heavy heart exit stage of history.
全文:战乱对这一地区的严重破坏,为日后中国的统一打下了良好的经济、政治和军事基础。 从曹操自伐董卓始,夺兖州、征张绣、平徐淮、战官渡、定四州、征乌桓、荆州,击败了一个又一个貌似强大不可战胜的对于,势力
中国古代农业灾害防减体系研究
作者: 邵侃   来源: 西北农林科技大学 年份: 2009 文献类型 : 学位论文 关键词: 农业灾害史   农业灾荒文献   减灾技术   灾荒赈救   灾害预防  
描述: n the 1920s when China was called “the Land of Famine” by an American relief worker, the phrase immediately gained currency.
全文:防灾四个方面;在定性分析的同时,还使用测风器、量雨器、天平式湿度计、地温表等气象仪器对农业气象进行定量观测,使预报更加精准;引进与推广种植高产、种作物品种,以备灾荒,是灾害预防机制在农业技术层面
中国古代农业灾害防减体系研究
作者: 邵侃   来源: 西北农林科技大学 年份: 2009 文献类型 : 学位论文 关键词: 农业灾害史   农业灾荒文献   减灾技术   灾荒赈救   灾害预防  
描述: n the 1920s when China was called “the Land of Famine” by an American relief worker, the phrase immediately gained currency.
全文:防灾四个方面;在定性分析的同时,还使用测风器、量雨器、天平式湿度计、地温表等气象仪器对农业气象进行定量观测,使预报更加精准;引进与推广种植高产、种作物品种,以备灾荒,是灾害预防机制在农业技术层面
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