您要查找的是不是:
- Zhanghe Irrigation District 漳河灌区
- Irrigation District, to try the feeling across the waterline, all of the Post! 灌水区,来试试穿越水线的感觉吧,尽情的发帖!
- Based on a survey of 208 households in Zhanghe and Dongfeng irrigation districts in Hubei Province, statistical and econometric modeling analyses were carried out. 对湖北漳河灌区和东风灌区的208户农户问卷调查资料进行了统计分析和计量经济模型分析。
- The management system of canal system structures in Yangling irrigation district was constructed based on VR-GIS in this paper. 应用结果表明基于VR-GIS技术的系统能满足灌区渠系建筑物的信息化管理要求。
- This paper deals with countermeasures to solve the problem in Baoji Gorge irrigation district in the province form source and water saving. 位于陕西关中西部的宝鸡峡灌区,由于原设计所取河源供水保证率偏低,调蓄能力差,灌溉水源不足一直制约着灌区潜力的进一步发挥。
- Electricity-lift irrigation started to build in 70th of the 20th Century in the Xingdian irrigation district in Baiyin City of Gansu Province. 甘肃省白银市兴电灌区电力提灌工程始建于20世纪70年代末,受当时科学技术条件的制约,工程所有设备的运行都是手工操作。
- In this paper the drought and waterlog data in Dongfanghong irrigation district,Xinmi city was dealed with the grey calamity theory. 应用灰色系统理论中的灾变预测方法,对新密市东方红灌区的旱、涝灾数据进行灰色处理,以预测灾情发生的时间。
- Spatial variability of soil moisture in the irrigation district is analyzed by integrating Geostatistics and general theory of statistics. 将提出的墒情监测方法及区域土壤水分预报方法,应用于构建整个灌区的实时灌溉预报模型之中,并在灌溉预报过程中进行实时修正。
- The reference crop evapotranspiration in Hunpu irrigation district,Liaoning province was calculated with the equation of Penman-Monteith recommended by FAO. 采用联合国粮农组织最新推荐的Penman-Monteith公式,分析了浑蒲灌区参考作物需水量。
- Irrigation district water-measuring is the important method and guarantee of practising using water planly, assignment accurately, using irrigation water equably and meterage. 灌区量水,是实行计划用水、正确分配、合理使用灌溉水的重要手段,是实行计量收费的重要保证。
- The paper analyzes the management status of Pishihang Irrigation District, illustrates the informatization management system of Pishihang Irrigation District. 摘要文章对淠史杭灌区管理现状进行分析,提出了淠史杭灌区信息化管理系统方案。
- Oasis always appears at the places where water is ample, the Hexi Corridor oasis is also formed by the slush from Chilian Mountain, and has become the largest agricultural irrigation district. 有水的地方才能形成绿洲,祁连山的雪水孕育了河西走廊绿洲,也使其成为全省最大的灌溉农业区。
- The validity of this model and the model of predicting random uncertainty are verified by field test data for the measurement of an irrigation canal in Imperial Irrigation District in California,USA. 利用在美国加利福尼亚州Imperial Irrigation District灌渠试验得到的数据验证了最大相对误差和随机不确定度预测模型的有效性。
- According to the characteristics of the irrigation district, this article has introduced the methods and measures of sediment disposals for the WSI based on the topographical conditions. 本文根据灌区特点,提出了从灌区地形、地理位置出发,探讨了引黄节水灌溉泥沙处理的方法和措施。
- Therefore, the reduction of the water level in this irrigation district is an important measure to control the soil salinification and it is a key to realize the agricultural sustainable development. 通过中外水土保持理念对比,对我国水土保持事业的发展提出了建议。
- Base on the field investigation and measured data, the water and sail balance as well as salt movement are analyzed in Weigan river irrigation district, located in the south part of Tianshan mountain. 摘要依据实地考察与实测资料,探讨了天山南麓渭干河灌区的水量平衡、盐量平衡和盐分去向等问题。
- The irrigation districts of the Yellow River Basin thereinto have vital function on the agricultural development. 其中,引黄灌区对我国农业的发展发挥了重要作用。
- Under this circumstance, this paper studies calculation method of sub-region weight coefficient, and applies it in large irrigating district. 针对这种情况的于区权重系数的计算方法加以探讨,并结合大型灌区的实例予以分析。
- Shahbaz Moshtaq, David Dawe, Hong Lin, Piedad Moya. An assessment of collective action for pond management in Zhanghe Irrigation System (ZIS), China, Agricultural Systems, 2007 洪林.;土地利用方式与农业流域暴雨径流特性的分析,中国科技论文在线,2007;
- Jiyang County, located in the floodplain of the Yellow River in North Shandong Province, has four irrigation districts along the Yellow River. 摘要济阳县位于鲁北黄泛平原南部,为沿黄县市,全县有引黄灌区四处。