| 1. | Existent problem of headwork at yuelai irrigation area in huachuan county
悦来灌区渠首存在的问题及改造措施 |
| 2. | Study on automation for hydrologic monitor of headwork of xiaohe irrigation district
山西省潇河灌区渠首枢纽工程水文监测自动化研究 |
| 3. | Self - optimization simulation on optimal schedule of reservoirs system for irrigation district
灌区渠首水库群优化调度的自优化模拟技术 |
| 4. | Hydraulics test research on diversion sluice for extension project of taocha canal headwork
陶岔渠首枢纽扩建工程引水闸水力学试验研究 |
| 5. | This system had been applied to strobe engineering of tongjiyan and run well
该系统已经在通济堰渠首取水工程闸门工程中投入使用，取得了良好的运行效果。 |
| 6. | As one of the three main parts of the dujiangyan irrigation system , it controls the water that flows into the baopingkou water inlet and discharges flood and sand with its top graphical feature
巧妙利用河道地形的泄洪排沙工程，为控制内江进水量的关键所在，是都江堰渠首工程三大主体之一。 |
| 7. | The ancient project consists of three major projects , namely the yuzui water - dividing dike , the feishayan spillway and the baopingkou water inlet as well as some sub - project baizhang dike , shunshui dike at erwang temple and renzi dike
渠首工程由鱼嘴分水堤、飞沙堰溢洪道、宝瓶口引水口三大主体工程和百丈堤，二王庙顺水堤、人字堤等主要附属工程组成。 |
| 8. | 2 . an optimal decision - making model for water resources scheduling of large - scale scheduling district is set up . it can provide a method to achieve maximum net revenue with a fixed service discharge from canal head and a fixed pumpage of pumping station
建立了大型灌区水资源优化调配决策模型，研究在灌区渠首供水能力和泵站提水能力一定条件下，将灌区水资源如何调配才使得灌区总净收益达到最大值的优化决策问题。 |
| 9. | Two aspects of the problem are discussed : one is that lift irrigation is no need when abstraction volume capability of canal head can meet the demand ; the other is that lift irrigation is in need when abstraction volume capability of canal head can not meet the demand
它包括两个方面：一是当渠首可引水量能满足灌区灌溉用水量时，则不需要提水灌溉；二是当渠首可引水量尚不能满足灌区灌溉用水量时，则需提水灌溉来补充灌溉用水量。 |
| 10. | It is mainly by analyzing the features of sediment concentration distribution in vertical in this paper , and then the problems of effect of headwork gates on sediment prevention , relation between distribution of sediment deposition in irrigated areas and its treatment and utilization , estimating the influence of withdrawing water and sediment on channel deposition and erosion in lower yellow river , and treatment and utilization of the sediment entered into canals are discussed
本文主要从分析计算含沙量沿垂线分布特点，探讨渠首防沙的作用，分析灌区泥沙淤积分布特性与泥沙处理利用的关系，分析计算引水引沙对黄河下游河道冲淤影响及入渠泥沙的处理利用等问题。 |
