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水资源     
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  water resources
    Countermeasure Study on Sustainable Exploitation of Agricultural Water Resources in Northwest China
    中国西北地区农业水资源可持续利用对策研究
短句来源
    Water Market and Agricultural Water Resources Allocation
    水权市场与农用水资源配置
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    An Economic Analysis on Sustainable Utilization of Water Resources in Agricultural Production
    农业水资源可持续利用的经济分析
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    Optimization of Water Resources Utilization for Cropping System in Beijing
    北京地区种植业水资源优化利用研究
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    Study on Evaluation and Optimal Allocation of Agricultural Water Resources in Sichuan Province
    四川农业水资源评价及优化配置研究
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更多       
  water resource
    SUSTAINABLE DEVELOPMENT AND UTILIZATION OF WATER RESOURCE
    可持续的水资源开发与利用
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    The Primary Ideas on South Water to West in China── And to discussing high efficient use and reasonable deployments of water resource
    南水西调初步设想──兼论水资源的高效利用与合理调配
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    The Present Situation and Development of Water Resource Utilization in Yuepuhu County
    岳普湖县水资源开发利用状况及发展方向
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    Sustainable coordinate development study on water resource and agriculture in the Songyuan area
    松原地区水资源与持续农业的协调发展研究
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    Evaluation and analysis of the supply and demand of agricultural water resource in the Sanjiang Plain based on AHP method
    基于AHP方法的三江平原农业水资源供需状况评价与分析
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更多       
  the water resources
    A Study on the Water Resources Management in Heihe Valley
    黑河流域水资源管理方式的初步探讨
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    A Strategic Analysis of the Water Resources and Agricultural Restructuring in West Gansu Province
    河西水资源与农业产业结构调整的战略思考
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    Preliminary Assessment for the Effects of Coal Mining on the Water Resources in Shenfu─Dongsheng Coal Field
    神府─东胜矿区采煤对水资源影响的初步评价
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    Influence of the Sea Level Rise on the Water Resources of the Pearl River Delta
    海平面上升对珠江三角洲水资源的影响
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    IMPACT OF DROUGHT UPON THE WATER RESOURCES,AGRICULTURE AND ANIMAL HUSBANDRY IN QINGHAI PROVINCE AND THE PREVENTIVE MEASURES AGAINST IT
    干旱对青海省水资源和农牧业的影响及其防御对策
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  water source
    According to the practice of water resource environment in the west region, the technical and policy countermeasures are put forward, it includes protecting sustainable space of water source, renewing and reconstructing the damaged water resource environment by ecological engineering, developing water saving irrigation agriculture, the first grade principle of sustainable eco environment and ecological compensation mechanism.
    结合西部地区水资源环境的实际情况及如何实现其可持续发展 ,提出了保护水资源可持续空间 ,对受损水资源环境进行生态恢复与治理 ,发展农业节水灌溉等技术措施和实行生态环境可持续优先原则及建立生态补偿机制等政策性对策 ,以实现西部开发的可持续性。
短句来源
    The study summarized partly recent achievements of experiment and research on water source conservation, water use rate improvement on river basin scale as well as water resource distribution in the water-ecology-economy system of Heihe river basin. It has revealed the feasibility and potential in improving water use rate on the basine scale with practical example.
    通过总结"黑河流域水生态经济系统试验示范研究"项目近几年在涵养水源、绿洲尺度的水利用率提高和流域水生态经济系统中的水资源配置的部分试验成果和研究进展,以实际事例展示了在流域尺度上提高水资源利用率的可行性和潜力。
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  water resources
The ecological water requirement of forests is defined as the water resources used to maintain and improve the natural balance of forest ecosystems, which can be expressed by evapotranspiration of trees during the growing season.
      
The characteristics and sustainable management of water resources on a basin scale require that they should be managed using a holistic approach.
      
In order to determine the demands for water resources of ecological wetland system, a method of ecological water level coefficient was suggested to calculate the water resources demands for wetland environment use.
      
Environmental Safety of the Development of Water Resources at Hydromineral Deposits: Water Protection Zoning
      
The mathematical model considered describes the regimes of a water-management system that ensure the strict implementation of the schedule of water resources consumption.
      
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  water resource
Application of Principles of the Theory of Information in Management of Reservoirs and Water Resource Systems
      
Engineering-geological substantiation of water resource protection in the zones of oil and gas fields
      
Groundwater thus became the main fresh water resource for aquacultural water diluting and flushing because of the insufficiency in surface water supply.
      
Stability of functioning of water resource systems
      
The article offers analysis of formation of the volume and frequency of environmental-protection water releases within the water resource system of the Moscow Region.
      
更多          
  the water resources
The ecological water requirement of forests is defined as the water resources used to maintain and improve the natural balance of forest ecosystems, which can be expressed by evapotranspiration of trees during the growing season.
      
In order to determine the demands for water resources of ecological wetland system, a method of ecological water level coefficient was suggested to calculate the water resources demands for wetland environment use.
      
A regional geographic information system for water resources of Lake Ladoga basin was developed as an information support for works aimed to study and practically use the water resources of Lake Ladoga and its basin.
      
Because of the human exploitation and utilization of water resources in the Tarim Basin, the water resources consumption has changed from mainly natural ecosystem to artificial oasis ecosystem, and the environment has changed correspondingly.
      
The climate is dry, the water resources are deficient, the eco-environment is fragile, and the distribution of water resources is uneven.
      
更多          
  water source
A detached sugar-beet leaf, one half of which was treated with water (source part) and the other half of which was treated with 10-4 M benzyladenine (BA) (acceptor part), was used as a model.
      
The model was applied to describe time series of bacteriological indices of the Moskva River Water Source.
      
A forecast procedure was developed and applied to calculate the exceedance probabilities of different levels of bacterial pollution of the water source.
      
Intact form I male crayfish spent more time handling the reproductive female-conditioned water source with their major chelae/first walking legs than those crayfish exposed to food odours.
      
Larvae did not, therefore, require an exogenous water source to complete diapause development.
      
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  其他


Sprinkler irrigation, with its adaptability and effective control of water application, is used for irrigation fields of all kinds of soils on varied terrain. It is necessary and feasible to develop the sprinkler irrigation in mountainous and hilly areas where irrigating is difficult because of varied terrain, and in sandy soil areas where serious loss is caused by its percolation, and in districts where there are deep wells with very insufficient water resources. It plays an active part in improving shortage...

Sprinkler irrigation, with its adaptability and effective control of water application, is used for irrigation fields of all kinds of soils on varied terrain. It is necessary and feasible to develop the sprinkler irrigation in mountainous and hilly areas where irrigating is difficult because of varied terrain, and in sandy soil areas where serious loss is caused by its percolation, and in districts where there are deep wells with very insufficient water resources. It plays an active part in improving shortage of water resources in Hebei province and is of practical significance in raising agricultural production in the abovementioned areas.

喷灌适应性强,能有效地控制用水,适用于各种土壤和地形。在地形复杂和地面灌溉困难的山区和丘陵地区;在渗漏损失较大的沙质土地区;以及在水资源严重不足的深井区,有条件地发展喷灌是必要的也是可行的,这将对河北省水资源不足的矛盾起缓和作用,对提高上述地区的农业产量具有实际意义。

The freguence of particular dry seasons in past 26 years in Hebei province is analysed in this paper.The author has pointed the cons- eguences from extremly exploiting underground water for recent years,and has proposed that if we make reasonably use of the existing sources of the water,it is feasible and necessary to develop dry farming.

本文分析了河北省近二十六年来干旱年份出现的频率。作者针对这些特点指出了近几年由于过度开采地下水所出现的后果。进一步提出了“在科学地、合理地利用现有水资源的基础上,走旱地农业之路”的可行性和必要性。

This article comprises of three parts: The first part analyses the present situation and problems of the utilization of the land resources, water resources and vegetation of Shandong province, with emphasis on the importance of protecting the agro-ecological environment. The second part deals mainly with the drawbacks and limitations of monocuiture which has been used for a long time. It also explains the contents, characterjstics and superiority cf the "ccologicai agriculture". The third part recommends the...

This article comprises of three parts: The first part analyses the present situation and problems of the utilization of the land resources, water resources and vegetation of Shandong province, with emphasis on the importance of protecting the agro-ecological environment. The second part deals mainly with the drawbacks and limitations of monocuiture which has been used for a long time. It also explains the contents, characterjstics and superiority cf the "ccologicai agriculture". The third part recommends the use of principles of optmization in the field of artificia ecosystems, I and discusses the key measures, for the realization of "ecological agriculture" and the building of "ecological villages".

本文分三部分。第一部分从分析山东省的土地资源、水资源与植被等方面的现状及存在问题出发,强调保护农业生态环境的重要性和紧迫性;第二部分着重分析农业上沿袭已久的“单一种植”的弱点和弊端,阐明“生态农业”的内含、特征与优越性;第三部分介绍人工生态系统选优的原则,探讨实现“生态农业”、建设“生态村庄”的关键措施。

 
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