Study on The Method of Land Suitability evaluation in Land Consolidation and Rehabilitation Project

来源 :北京师范大学,中国自然辩证法研究会,中国灾害防御协会 | 被引量 : 0次 | 上传用户:david_jts
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  Land consolidation is the comprehensive rectification for the fields,the waters,the roads,the forests and the villages in accordance with the overall land use planning which is the way to improve the quality of farmland,to increase the effective area of arable land and to improve the agriculture production conditions and the ecological environment.This study overcome the difficulties on the suitability evaluation of the land.We taken eight factors with the representitation and the obvious distinction as the evaluation index system,the evaluation index system suiting for the land consolidation is established.
其他文献
本文阐述了明斯基金融不稳的假说的基本观点,即资本主义经济运行在本质上是内在不稳定的,不稳定的根源在于追逐利润的投资、融资等市场行为的不稳定;政府的干预和救助,例如二战之后形成的赤字财政刺激经济政策以及美联储的最终贷款人政策,虽然能够在一定的阶段、一定的程度上帮助维护经济稳定,但这些措施都只能带来暂时和表面的稳定,实际上是为更大的危机创造条件。本文还用美国战后经济危机的实例及政府救助的效果验证了明斯
本文参照发达国家和世界平均的服务业发展水平,发现中国服务业发展水平在经济发展水平迅速上升的情况下明显低于发达国家在相同人均GDP下的水平、明显低于同等发展中国家与世界平均水平,本文称之为中国服务业发展与经济发展"背离之谜",并借助一个概念性模型,提出"制造业成本病"假说。鉴于服务业发展主要集中在城市,本文以长三角城市群数据为例,从经济活动密度角度检验了服务业劳动生产率的决定方式。结果发现,服务业劳
Disaster loss estimation is an important basis for reconstruction and further disaster risk mitigation strategy in the long time after disaster.Indirect economic loss assessment cases about natural di
Harmful algal blooms(HABs) has become a serious global marine disaster,how to conduct HABs studies scientifically,reducing and preventing HABs disaster effectively have become a major issues that urge
We focus on the aggregate (Multi-channel,single-material) multi-cumulative (multi-path with the same toxic mechanism for multi-material)dietary exposure assessment.For the risk assessment with probabi
The levels of indoor phthalates or phthalate esters were assessed in several facilities.Indoor dust samples were collected from various childcare facilities (40 daycare centers,42 childcare centers,44
Manufacturing industry is not only the pillar industry of national economy,but also the regions major industrial sectors of environmental pollution.Firstly,a regional manufacturing evaluation set for
State-owned credit guarantee enterprises are professional organizations specializing in operating and managing credit risks.Nowadays,Chinas social credit system is not so perfect,hence,the credit guar
This paper investigates analytical solutions of American option pricing based on the non-sensitivity principle of homotopy.Specifically,American option price is decomposed into a sum of the European p
Its known that the Dijkstas algorithm on shortest distance of between the starter and terminal points generally in a regular city road model or the other typical network models.But,in forest or rural