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    The Experimental Study on the Performance of Surface Sealing of Surge Irrigation
    波涌间歇供水表面密实层特性的实验研究
    An Appraise Method Indices and Comprehensive Evaluation Index Set in Sprinkler and Micro-Irrigation of Water Saving Irrigation
    喷微节水溉综合评价指标体系与指标估价方法
    Study on the New Penetrable Pipe and Its Construction Machine for Soil Ba in the Field of Irrigation and Drainage Syster
    新型地下排兼用系统中田间土基透水管及施工机械的研究
    Study on Non all flow Filtering Method and Devices for Micro irrigation with High silt Content Water
    高含沙水微非全流过滤方法及装置研究
    Determination of CEA in Peritoneal Irrigation Fluid in Gastric Cancer Patients
    胃癌腹腔洗液CEA测定的临床意义
    Study of Product Increasing Benefit by Sewage Irrigation and Its Impact on the Soil Environment
    污增产效益及其对土壤环境影响分析
    In 2002, the negative external effect value caused by the improper utilization was 0.157 billion Yuan, occupying about 3.2% of the agricultural increased value of the year, the environmental total cost of farmland area in overage was about 631.77Yuan/hm2. The environmental cost from sewage irrigation was for about 888.5Yuan/hm2 occupying about 45.1% of the total environmental pollution cost.
    结果表明,2002年因不合理利用所导致的负外部效应价值为1.57亿元,约占当年农业增加值的3.2%,环境总成本平均到耕地面积上约为631.77元/hm2.在已定量化的负外部影响中,污造成的环境代价大约为888.5元/hm2,约占环境污染总成本的45.1%;
    (2) in all growth period,compared with pipe-irrigation,the micro-sprinkle irrigation and drip irrigation saved water by 31.99% and 49.83%,respectively,decreased the water consumption amount by 12.49% and 11.52%,respectively;
    (2)在整个生育期内,微喷和滴处理比管节约水量分别是31.99%和49.83%; 微喷和滴条件下果园耗水量较管分别减少11.52%和12.49%。
    The experiment was corducted to investigate mainly the effects of saline water(EC=2.2~4.9 dS/m) on cucumber yield,irrigation quantity and irrigation water use efficiency(IWUE) under drip irrigation in North China Plain,when the soil matric potential(SMP) at 0.2 m depth immediately under drip emitter was controlled from-10 to-50 kPa.
    试验主要研究了华北半湿润地区微咸水滴条件下,滴头正下方0.2 m深度土壤基质势分别控制在-10~-50kPa时,不同盐分浓度微咸水(2.2~4.9 dS/m)对黄瓜产量、水量及溉水利用效率(IWUE)的影响。
    There is more 127.5kg/666.7m2 product of cotton in the drop irrigation under plastic film than in the soft pipe irrigation under plastic film.
    棉花膜下滴平均单产(籽棉)比棉花膜下软管平均单产(籽棉)多127.5kg/666.7m2。
    Based on the tiny irrigation engineering and the charge equipment for the water amount measured by brainpower IC clip,the self-help management mode for the orchard administrated by customer using water is established,which has realized self-help irrigation,charge and maintain management,and avoids striving water amount during irrigation,and resolves the difficult to charge for the water and equipments improper management.
    以微工程和智能IC卡量水收费设备为依托,建立由用水户共同参与的果园自助式管理模式,实现了果园自助溉、自助缴费和自助维护管理,避免了溉期内群众争水现象,解决了水费收缴难、设备管理不善等问题。
    The results showed the rate of available water,might be saving reached 21%-35% ,the rate of water saving,the rate of water storage and the uniformity of water application increased 5.3% - 7.2% , 6.3% - 7. 8% and 18. 8% - 24. 9% , respectively, compared surge flow border irrigation to continuous irrigation.
    结果表明,与传统的连续方式相比,涌流畦节水率可达21%-35%,水有效率、储水效率和溉均匀度分别提高5.3%-7.2%,6.3%-7.8%和18.8%-24.9%。
    Water Meter for Low Pressure Pipeline Irrigation System
    低压管系统SGS型专用水量计的研制
    A Study on the Method of Miniarea Cultivation, Covering Material and Supplementary Irrigation Period in Cold and SemiArid Area
    半干旱冷凉区微型种植方法、覆盖材料和补时期研究
    The Water Meter For Low Pressure Pipe Irrigation System
    低压管系统水量计
    A Rotation Irrigation design of Programmable and Automatic Control System for Tobacco Field
    烟园轮可编程自动控制系统设计
    Simulation of Infiltration of Intermittent Application of Surge Irrigation
    波涌间歇供水土壤水分入渗机理的数值模拟
    Simulation and Technique Parameters of Surge Flow Irrigation
    波涌田面行水流动的数值模拟及其水技术
    Design and Realizing of Progammable Automatic Control System for Spay Irrigation in Farmland
    农作物轮PLC自动控制系统设计与实现
    Analysis of Irrigation by Wastewater Discharged from Sugar-house and Paper Plant in Yuanmou
    元谋糖厂、纸厂废水污后果分析
 

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