古代湟中的农田水利

作者： 田尚   来源： 农业考古 年份： 2016 文献类型 ： 期刊 关键词： 海晏县   贵德县   重要支流   青海省东部   湟中   西宁府   乐都   允吾县   湟源   甘肃省兰州市  

描述： 在古代,人们一般谓湟水两岸羌人所居之地为湟中,即湟水流贯其中之意。《资治通鉴》卷六十七胡三省注:“湟水源出西海盐池之西北,东至金城允吾县入河。夹湟两岸之地,通渭之湟中。”《西宁府新志》卷三曰:“古

近50年气候变化对中国小麦生产潜力的影响分析

作者： 田展   梁卓然   史军   Gunter   Fisher   顾婷婷   来源： 中国农学通报 年份： 2016 文献类型 ： 期刊 关键词： AEZ模型   生产潜力   农业气候资源   气候变化   小麦  

描述： 和四川盆地,单产潜力减少的区域为西北和东南地区。中国冬小麦的适宜区域出现较明显的北扩南收态势,而雨养春小麦适宜面积在中国半湿润半干旱的过渡带显著减少。全国雨养小麦总生产潜力减少5%,而灌溉小麦总生产潜力变...

1933-1945年甘肃经济建设研究

作者： 裴庚辛   来源： 华中师范大学 年份： 2008 文献类型 ： 学位论文 关键词： 1933—1945   甘肃商业   甘肃工业   甘肃金融业   甘肃农业  

描述： 近代甘肃经济落后,农业生产仍是传统的耕作方式,产量低下;工业则没有几家近代工厂,主要是手工业工场或家庭手工业作坊,新式工业尚处于起步阶段。再加上灾荒频发,烟毒横行,地方当局借禁种之名行罚款之实。甘肃人民生活困苦不堪。与落后的经济水平相对应,近代甘肃的金融机构主要有票号、钱庄(银号)、当铺等几种形式,

全文：、华东、华中、华南的大部分处于战火中,西南、西北成为国民政府相对稳定的大后方根据地。由于抗日战争是一场持久战。国民政府一面抗战,一面加大建设以支援抗战,实行了“抗战建国同时并进”的战时政策。基于多方面

中国北方地区节水农作制度研究

作者： 王婧   来源： 沈阳农业大学 年份： 2009 文献类型 ： 学位论文 关键词： 北方地区   节水   节水技术   节水农作制度   种植模式  

描述： ium between the grain production and water resource: the drought and the irrigation area in northeast china, the drought and the irrigation region in Huanghuaihai area, the drought and the irrigation area in northwest china.The article analized the characteristic of water using of the main crops and the main cropping systems, compared the economic benefit of the water-saving planting patterns, studied the economic benefit, the water-saving benefit and participatory farmers survey results etc. of the water-saving technologies.

全文：本研究针对我国北方地区粮食生产与水资源不匹配的现状,分东北灌区、东北旱区、黄淮海灌区、黄淮海旱区、西北灌区、西北旱区六个区域研究各区主要作物及种植制度的耗水特性,给出节水种植结构调整建议,比较各区

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外,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

沈括的《梦溪笔谈》和我国古代化学

作者： 暂无 来源： 南京大学学报(自然科学版) 年份： 2016 文献类型 ： 期刊 关键词： 南京大学化学系   积贫积弱   北宋中期   《梦溪笔谈》   评法批儒   经济发展   西北部地区   文化典籍  

描述： 和阶级斗争给它准备好了条件。宋代在建立了整整一个世纪后,一方面由于大地主阶级任意兼并土地,严重破坏了生产力的发展,人民生活极端困苦;另一方面由于对我国西部、西北部地区契丹、西夏统治者的侵扰和掠夺采取了妥协投降

明清时期石羊河流域农业开发与环境变化研究

作者： 栾晓丽   来源： 陕西师范大学 年份： 2010 文献类型 ： 学位论文 关键词： 石羊河流域   农业开发   明清时期   环境变化  

描述： In history;the central and local separatist all valued the development of this area. During the Ming and Qing Dynasties,with the renewed fighting in the northwest, coupled with the rapid growth of the national population, In order to consolidating border defense and detenting Mainland population pressure,the land development of this area resumevted,which impacted histoy development of this area very profoundly Academic research in this area is more included in the academic research for the whole Hexi area or the entire northwest region, special articles in this area are also mainly concentrated in the lower reaches of Shiyang River, but these research the upper, middle and lower reaches of the river as a whole rarely,the connection among the three is.very close essentially.So this object has larger space to continue researching. This text includes introduction and body text.the introduction introduces the writing causes ,implication,and retrospects intellectual history, explains research objectives,Methods and important and difficult points of this object at the same time.The body text divides into six chapters.The first chapter analyzes the natural conditions and social infrastructure in this area.The second chapter mainly deals with immigration status which Ming and Qing government organize and encourage the population in the mainland move to this area,which provides manpower resources for agricultural development in this area,and this chapter discusses effectiveness of the immigration.The third chapter discusses construction of water conservancy which agricultural development requires,and summarizes pearls and pitfalls of water conservancy construction in this area during this period.The fourth chapter mainly deals with agricultural development in this area during the Ming and Qing dynasties,This chapter begin by the reasons for agricultural development and policies which the government urge and offer for, discusses region of agricultural development, reclamation success and evolution of tonden in this area during this time.The fifth chapter mainly discusses environmental problems that because of large-scale development in this period,and analyzes performance, hazard and measures that local people inoder to protecting the environment had taken.The sixth chapter summarizes experience and lessons those because of large-scale development in this period during this time,and explains inspiration for today's development. Research of this object is primarily based on literature of the Ming and Qing Dynasties and local records, and notes data that through field visits get, in order to make the discussion Speci.ficly and reasonably.

全文：位于河西走廊东部的石羊河流域是河西三大内陆河流域之一,其军事地理位置重要,历代中央王朝和割据于此的地方势力都十分重视对本区的开发。明清时期,随着西北战事再起,加上这一时期全国人口数量的急剧增长,为了

临夏花儿与地理环境的关系

作者： 高志海   来源： 西北师范大学 年份： 2009 文献类型 ： 学位论文 关键词： 临夏   耦合关系   花儿   地理环境  

描述： cyclopedia of west China”. Being a type of non-material culture heritage shared by many nationalities, Huaer is a mark of spoken arts in west China, which is of great value for art appreciation and academic research.

全文：花儿是我国民族音乐的重要组成部分,是中华民族文化中绚丽夺目、光彩斑斓的艺术奇葩之一,被称为“西北的百科全书”。作为多民族共享的非物质文化遗产,是西部、乃至中国民歌中属于标志性的口承文艺,是最富

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：唐代前期,在西北地区特殊的社会环境下,河西州县城体现出丝路重镇、多民族共处地、边地行政中心等诸多特征。为保证东西方正常交流、多民族之间的频繁交往以及唐在河西地区的有效统治,城防之设极为必要。因此,唐

甘肃省黄河沿岸地区水资源承载能力分析

作者： 刘建兰   来源： 兰州大学 年份： 2010 文献类型 ： 学位论文 关键词： 甘肃省   沿黄地区   水资源   承载能力   系统动力学  

描述： th, the demand of water resource is continuously increasing. That is to say water shortage has become a global problem. Water resources carrying capacity is the basis and prerequisite of regional socio-economic development, which is significant to realize the coordinated development of regional "water resources- ecological environment-socio-economy" composite system. So it has become the focus and hot topic in water science field nowdays.

全文：半干旱向干旱过渡的地带。这里也是我国西北地区的地理要冲,自古以来就是沟通西域与内地的咽喉所在,为著名的古丝绸之路的必经之地。这里集中了全省主要的现代工业力量和科技教育资源,已成为甘肃乃至西北地区经济增长