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清代河西仓储研究
作者: 王玉春   来源: 陕西师范大学 年份: 2014 文献类型 : 学位论文 关键词: 河西   清代   救荒能力   社会保障   仓储  
描述: 清代河西仓储系统已经趋于完备,除官仓、常平仓、义仓,河西地区还有大量的社仓,且仓法体现出许多新的特点,可以说清代是河西仓储制度的完善时期。本人将河西诸色仓依照其性质分为官仓(包括常平仓)和民仓,并
全文:清代河西仓储系统已经趋于完备,除官仓、常平仓、义仓,河西地区还有大量的社仓,且仓法体现出许多新的特点,可以说清代是河西仓储制度的完善时期。本人将河西诸色仓依照其性质分为官仓(包括常平仓)和民仓,并
草田轮作在黄土高原丘陵沟壑区旱作农业中的作用研究
作者: 曹利民   来源: 兰州大学 年份: 2010 文献类型 : 学位论文 关键词: 可持续发展   草田轮作   循环农业模式  
描述: by mountains. Forage crop rotation systems could improve soil fertility, increase cropeld and provide
全文:,对草田轮作在旱作农业中的作用和地位进行了分析,调研了该区草田轮作推广的模式和分布区域,获得如下主要论点: (1)对甘肃省天水市旱作农业区生产条件和现状分析,草田轮作是适合该区农业生产条件的一种科学
明代河州岷州洮州军屯研究
作者: 肖文清   来源: 兰州大学 年份: 2010 文献类型 : 学位论文 关键词: 河州   明代   岷州   洮州   军屯  
描述: y, military and culture in Ming Dynasty。The research on military farming of the Ming Dynasty played the vital role of leading as to the research on the outline the history of the Ming Dynasty. The Military Farming in three states-- He Min and Tao-in Ming Dynasty, as the epitome of the Ming Dynasty Northwest military Farming, has its characteristics. He Min and Tao military farming not only has the common characteristic of that period, but also has its unique distinguishes, because which is located at the junction of the Han and other ethnic groups, within the area lived many ethnic minorities. In this paper, the author analyzes the relevant historical materials and uses theories and methods of history and ethnology to explain the origin, development, characteristics of the military farming. And the author discusses the reasons why they declined in the later years and the impacts in a detailed and intensive way. Based on local historical dates and combined with the same period dates, the article analyze mainly the differences among the three states from its preparation, operation, function and impact aspects and deal with the military system of the Ming Dynasty, migration, defense policy, minority administration and policy, economic strategies.
全文:军屯,是明代西北军事屯田的缩影,具有代表性。处于明代军屯大格局中的河州、岷州、洮州三卫军屯,除具有明代军屯的共同特征,由于地处汉族与其他民族交界之处,境内少数民族众多,因而又具有区别于其他地区军屯
抗战时期国民政府粮食征收述论
作者: 陈丹丹   来源: 湘潭大学 年份: 2009 文献类型 : 学位论文 关键词: 粮食征收   抗日战争   田赋征实   国民政府  
描述: t of the
全文:抗战全面爆发后,随着国土的大片沦丧,尤其是东北产粮区和东南沿海财政主要来源地的丧失,国民政府危机四伏,除军事压力,粮食危机和财政形势尤为严峻。特别是抗日战争进入相持阶段,关乎民众和部队生计的问题
干旱条件下冷型小麦的农田热量平衡及小气候特征
作者: 严菊芳   来源: 西北农林科技大学 年份: 2009 文献类型 : 学位论文 关键词: 冷型小麦   干旱   热量平衡   小气候特征  
描述: ovement. Furthermore, analyses of adverse effects on crop growth and development can probe into the crops’ adaptability to adverse environments so as to optimize the breed selection and cultivation.
全文:,研究了干旱条件下冷型小麦的农田热量平衡及小气候特征。试验结果表明: 1.干旱条件下冷型小麦农田净辐射低于暖型小麦,午后冠顶上方0.5m和1.0m处净辐射辐照度,冷型小麦较暖型小麦分别偏低16.35
唐代前期河西州县城城防研究
作者: 张向红   来源: 西北师范大学 年份: 2010 文献类型 : 学位论文 关键词: 河西州县城   唐代前期   城防  
描述: ch as the important town of the Silk Road, multi-ethnic coexistence and the border district administrative center. In order to ensure normal exchange between the East and the West, frequent contact among ethnicities, and effective administration in He-xi area, it was extremely essential to establish city defense. Therefore, the Tang government built the city defense system that was mainly military defense and based on social balance. Mainly included the screen protective system of Army, Shouzhuo, City, Town, Shu, etc., which had some focal point and very wide and located out of the cities; Three layers external protective system that was composed of a deep ditch to round every city, sheep and horses cities, city wall; Multiple structure system such Luo city(outer city), Zi city(inner city), fang(residential area), Shi(markets), and so on; Garrison inside cities and out of locality system; Feng, Yi and other information systems; General's office person of ability system; Warehouse reserve and social balance system. Because of the important geographical position strategic and the special social security problem, the He-xi Prefecture and county city defense had formed Trinity characteristic with the national defense and the security defense. The city defense soldiers had a hand in Tuntian to bring about He-xi area’s agricultural advance; A large number of people of city defense formed the consumer market, had promoted the prosperity of the commerce; The city defense ensured traffic and military assistance, made He-xi Prefecture and county cities become the rear base to administer Central Asia. However, the city defense had its limitation, such as impotent military might at times (it offered an opportunity of Tibetan expanded in north-west area), because of the condition between the country and the locality. It, to a certain extent, had influenced on the valid function of city defense.
全文:政府构建了以军防为主、社会平衡为基础的城防体系,主要包括城外军、守捉、城、镇、戍等广阔而有重点的屏卫体系;隍堑、羊马城、城墙三重卫体系;罗城(外城)、子城(内城)、坊(居民区)、市(市场)等多重
厚皮甜瓜耗水规律与调亏灌溉效应研究
作者: 高慧娟   来源: 甘肃农业大学 年份: 2010 文献类型 : 学位论文 关键词: 光合特性   产量   调亏灌溉   耗水规律   水分利用效率   甜瓜  
描述: conducted full irrigation (CK), mild regulated deficit irrigation and moderate regulated deficit irrigation with melon varieties of Ymdi and Yujinxiang in three growth stages including sowing to flowering time, flowering to fruit expanding stage and fruit expanding to picking time.
全文:提供理论依据。主要结果如下: (1)甜瓜耗水量随灌水量的增大而增大。银帝各水分亏缺处理的耗水量与对照之间差异显著。除在膨大-开花期轻度水分亏缺处理,玉金香其它各水分亏缺处理的耗水量与对照存在显著差异
新疆加工番茄抗黄瓜花叶病毒转基因技术的研究
作者: 张瑜   来源: 石河子大学 年份: 2010 文献类型 : 学位论文 关键词: RNA干扰   系统进化树   黄瓜花叶病毒  
描述: bution, one of the pathogenicity impaired crops. It has three genomic RNAs. So it is one of RNA virus model strains to investigate pathogenicity mechanism in host.
全文:技术拥有与传统的基因研究方法所不具备的优势,它为研究基因功能及植物基因表达调控提供了新途径,可通过有选择地抑制源基因的表达,因此在病毒和病虫的防治方面展现了其独特之处。 本研究采用RT-PCR的方法
伊秉绶书法艺术研究
作者: 何岩   来源: 河南大学 年份: 2009 文献类型 : 学位论文 关键词: 伊秉绶   清代   书法   碑学  
描述: ng Dynasty.
全文:阶段:1、启蒙期(以帖学为主);2、发展期(碑帖并重);3、成熟期(以碑为主)。 第二部分通过对伊秉绶书法及思想渊源分析:我们可以看出他之所以成为清代开宗立派的人物,除了他自身的勤奋刻苦以外,其中
《世说新语》与《齐民要术》副词比较研究
作者: 毛丽娜   年份: 2007 文献类型 : 学位论文 关键词: 异同   比较   副词   《世说新语》   《齐民要术》  
描述: 魏晋南北朝是中国历史上最纷乱复杂的时期,南北分裂达二百余年,南朝、北朝都出现了大量的作品。不少先辈们先后提出南北文风不同的学说,但基本没涉及南北之间的词汇差异。近年来,有些学者开始注意研究这一课题,并取得了一定的成果。为了探求南北朝时期汉语词汇在词义和语法方面的南北差异,我们以《世说新语》和《齐民要
全文:比例,《齐民要术》中则以并列式为主:在现代汉语中的变化上,《齐民要术》中双音节副词在现代汉语中的保留率高于《世说新语》中的;在整个中古汉语中的使用范围上,两部文献中出现的双音节副词除基本上都属于当时南北方的通语,各出现有少量的双音节方言特征副词。
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