An automatic topdressing system was designed on the base of the principle of hydrokinetics using energy of static pressure for pipe irrigation and the feature of Venturi pipe in solar greenhouse.
依据流体动力学原理，利用日光温室管网灌溉的静压能和文丘里管的特性，设计出在日光温室正常灌溉情况下的自动施肥系统。
The design method of irrigation pipe flow meter is presented and high precise sensor is chosen.
给出智能灌溉管道流量计的设计方法，以及高精度传感器的选择。
Deep pipe irrigation can be especially useful on slopes and in crusty soils where surface applied water will run off.
深度管道灌溉在斜坡和硬质土壤环境中非常适用，因为在那些地方地表灌溉浪费水资源。
A mathematical model whose variable is water head can simulate the effects of water head and properties of subsurface irrigation pipe on irrigation.
以压力水头为因变量的数学模型可以模拟供水压力和灌水器特性对灌溉效果的影响。
Water saving techniques include spray irrigation, micro irrigation, channel leakage prevention, low pressure pipe transport of water, reform of field irrigation, and so on.
节水技术包括：喷灌、微灌、渠道防渗、低压管道输水、田间灌水技术改进等。
Study on the basic seepage laws under different working heads, with zippered plastic pipes as percolation irrigation pipe embedded at different depths underground in the shelf.
采用拉链式塑料管作为渗灌管，在大棚中埋于地下不同深度，在不同工作水头下进行了基本渗流规律的试验研究。
For the convenience of application, the paper also presents the pipe network coefficient formula for typical branching network and loop network in well irrigation district.
为了便于实际应用，同时给出了井灌区管灌典型情况的树状网和环状网管网系数的计算公式。
The feasibility and mechanism analysis of a penetrable pipe for soil base in the field used to irrigate and drain was disccued by mpns of the analyais of present underground irrigation systems.
通过对现有地下灌溉系统的分析，论述了田间地下土基透水管灌溉、排水兼用的可行性及机理分析。
In drip irrigation system, the most effective length has great influence to the distribution and design of the system pipe networks.
滴灌系统中毛管的最大有效铺设长度对滴灌系统管网的布局和设计影响极大。
A villager bathes under a hose pipe used for the irrigation of rice field, as his son, left, looks on, on the outskirts of Amritsar, India, Monday, March 22, 2010.
下的稻田灌溉用软管沐浴管一位村民，他的儿子，左，轻视，对阿姆利则，印度，星期一，2010年3月22日的郊区。
To achieve the best irrigation system, the ES can try several pipe planning schemes for each irrigation system, and select the best one as the final scheme, thus the optimization is accomplished.
另外，为获得最优的灌溉系统，本专家系统对每个灌溉系统均考虑了多种管道布置方案，可进行多种方案的优选，实现了优中选优。
Those pipe are widely used in sewer, electricity and tele-communication cables, drainage for airport and railway projects irrigation pipes, etc.
电缆导管、机场道路和铁路排水管、低孔灌溉输水管。
Uniformity of Micro-irrigation depends largely on proper disposal of pressure regulator pipe.
调压管的配置是否合理。影响着滴灌系统的灌水均匀度和工程造价。
The results of comparison test of the water saving efficiency of drip irrigation afforestation in the waste mountain at Kuerle area show: drip irrigation saves water by 66.6% than pipe irrigation.
对库尔勒地区荒山滴灌造林节水效率进行了对比试验，结果表明，滴灌较管道灌节水66.6%。
The mosaic column emitter type drip irrigation pipe is widely used in water-saving irrigation fields , such as greenhouse, grapery planting, farmland planting, city greening and deserts greening etc.
内镶圆柱式滴头滴灌管广泛用于温室大棚、葡萄园种植、园林栽培、城市绿化、荒漠绿化等众多节水灌溉领域中。
No matter the installation part is a simple pipe, a sprinkle, or a high-end central computer-controlled automatic irrigation system: we will do our best to make everything as perfect as we can.
还是最高端的中央计算机控制全自动灌溉系统工程，我们都能做到了尽善尽美。
The different structure of the three-way pipe lead to the different local loss of head, it cause a great influence on operating costs of irrigation.
“三通”结构形式的不同会造成不同的局部水头损失，对灌溉运行费用影响很大，所以对三通结构进行优化，减小灌溉水头和局部水头损失有相当大的意义。
This paper sums up and expounds the contents, methods and procedures of effective analysis on low pressure pipe irrigation engineering.
本文阐述了管灌工程经济效益分析的内容、方法和步骤。
The normal operation of the high silt content water irrigation with pipe line is guaranteed by adopting the combinative technical measures of broke...
同时结合防爆破技术措施与管理措施，确保了管道浑水灌溉的正常运行。
The normal operation of the high silt content water irrigation with pipe line is guaranteed by adopting the combinative technical measures of broken cont…
同时结合防爆破技术措施与管理措施，确保了管道浑水灌溉的正常运行。
The normal operation of the high silt content water irrigation with pipe line is guaranteed by adopting the combinative technical measures of broken control an...
同时结合防爆破技术措施与管理措施，确保了管道浑水灌溉的正常运行。
Multiple-outlet pipe of varying orifice size has been used to pipe in micro-irrigation system very often.
变孔径多孔管道是微灌系统中常用的一种灌水管道。
Multiple-outlet pipe of varying orifice size has been used to pipe in micro-irrigation system very often.
变孔径多孔管道是微灌系统中常用的一种灌水管道。
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