灌溉水利用系数,utilization coefficient of irrigation water
1)utilization coefficient of irrigation water灌溉水利用系数
1.Revision of traditional measurement methods onutilization coefficient of irrigation water;灌溉水利用系数传统测定方法的修正
2.This paper describes theutilization coefficient of irrigation water research background and current situation and its calculated method, and a brief introduction of three calculated method about theutilization coefficient of irrigation water that head -tail method, typical conduit method , Comprehensive Detection method .本文详细介绍了灌溉水利用系数的研究背景、现状及其主要推算方法,简单介绍了首尾测定法、典型渠段测量法、综合测定法三种计算方法。
英文短句/例句
1.Software Development and Application about Utilization Coefficient of Irrigation Water区域灌溉水利用系数测算软件的开发与应用
2.Software Development and Application of Irrigation Water Use Coefficient in Shaanxi Province陕西省灌溉水利用系数测算软件的开发与应用
3.Influence factors of irrigation water use efficiency and its enhancing strategies灌溉用水有效利用系数的影响因素及其提高策略
4.irrigate with water from a sluice.利用开闸放水来灌溉。
5.coefficient of recharge from irrigation灌溉水入渗补给系数
6.Analysis of scaling variation of irrigation water use efficiency under typical irrigation regimes典型灌溉模式下灌溉水利用效率尺度变化模拟
7.Research on the Relationship between Irrigation Water Price and Irrigation Water in Drought Oases干旱绿洲区灌溉水价与灌溉用水量关系研究
8.International Irrigation Development and Water Use Institute国际发展灌溉和利用水源研究所
9.Water use efficiency of winter wheat under limited irrigation:A simulation study.限量灌溉下冬小麦水分利用效率模拟
10.More than50% of cane land is irrigated, mainly by sprays or flooding of furrows. Use of low-pressure overhead irrigators and drip systems is increasing.采用喷雾灌溉或渠灌的甘蔗地超过50%，使用低压高架灌溉器和滴水灌溉系统的正在增加。
11.Analysis on the scaling variation of irrigation water use efficiency under typical irrigation regimes典型灌溉模式下灌溉水利用效率尺度变化模拟分析
12.Study on Irrigated Water Distribution and Its Use Efficiency among Two Varieties of Cucumber with Different Growing Type under Traditional Irrigation常规灌溉条件下两种生长型黄瓜灌溉水分配及利用效率的研究
13.Development of Irrigation Information System by GIS Model;利用GIS技术开发灌溉信息系统的研究
14.Effects of different irrigation patterns on root growth and water use efficiency of maize不同灌溉制度对玉米根系生长及水分利用效率的影响
15.water resources development computation forirrigation projects灌溉工程的水利计算
16.Study on the Utilization of Water and Nitrogen and the N-Fertilizer Balance under Water Saving Irrigation;节水灌溉水稻水氮利用与肥料氮量平衡研究
17.China s Irrigation Management and Participatory Management;中国灌溉管理与用水户参与灌溉管理
18.Benefit the Neighbors:County Relations during the Development of Irrigation in Northern Henan Province in Ming-Qing;“利及邻封”——明清豫北的灌溉水利开发和县际关系
相关短句/例句
water efficiency of irrigation灌溉水利用系数
1.In irrigation management,in order to increase calculation efficiency and accuracy ofwater efficiency of irrigation,developing corresponding software is particularly important.在灌溉管理中,为了提高灌溉水利用系数的测算效率及准确性,开发相应的测算软件就显得尤为重要。
2.The main factors affecting the accurate measuring ofwater efficiency of irrigation in traditional ways are the heavy work of measuring and difficult measuring condition.灌溉水利用系数是衡量农业节水效果的关键指标。
3)effective utilization coefficient of irrigated water灌溉用水有效利用系数
1.Estimation and analysis ofeffective utilization coefficient of irrigated water灌溉用水有效利用系数测算与分析
4)appraisal in water-saving irrigation灌溉水资源利用系数
5)Recycling utilization rate of water for industry灌溉用水利用率
6)irrigation water using efficiency灌溉水利用率
1.Estimating method and discussing problems for theirrigation water using efficiency in Shaanxi Province at present;陕西省现状灌溉水利用率测算方法与问题讨论
延伸阅读
灌溉水利用系数灌溉水利用系数efficiency of irrigation watergUan灌溉gaishui liyong水利用系数XIShU(effieieney of irrigationwater)灌入田间的有效水量与渠首引进的水量之比，常以符号刀。表示，其计算公式如下:_琳，八八。刀臼二~二二;一入1、jU为叽式中琳为进入田间的有效总水量;叽为从渠首引进的总水量。灌溉水利用系数是评价灌溉渠系的工程状况和管理水平的一个重要指标，它既反映了灌区各级渠道的渗漏损失，义反映了在管理过程中无益的水量损失，如日灌夜排;因过量引水或不合理的配水所引起的渠尾泄水;渠道跑水;田面跑水和深层渗漏等。为了提高灌溉水利用系数，主要的措施是进行渠道衬砌，减少渗漏;加强用水管理，实行计划用水，防止水量浪费和无益废泄。(谢安周)
