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。
This algorithm is applicable to designing and operational computation of medium and low pressure pipe network (actual pipe network peak load computation).
此算法可用于中压、低压管网设计型问题及操作型问题计算(实际管网最大负荷计算)。
It is particularly suitable for dual-pressure pneumatic system, which is precise energy-saving product required in high and low pressure pipe network optimization.
特别适合于双压气动系统,是高低压管网优化必选的精细节能产品。
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。
Sensitive materials under low stress will suffer breakage which brings about large risk explosion of pressure bearing pipe and equipment is easily to be triggered causing major accident.
对于敏感性材料,在低应力水平下也会发生断裂,危险性很大,容易引发承压管道和设备的爆破,造成重大事故。
Then this low-pressure liquid Freon goes out of the capillary pipe through Control valve 13 and enters Heat-exchange unit 16 to consume heat from low grade heat source.
那么这个低压液态氟利昂出去的毛细管管通过控制阀13和进入换热单元16消耗热量从低品位热源。
Test results show that the multi-pipe ESCP can trap diesel particulate efficiently with low back-pressure at high gas volume and dislodge particles layer effectively.
试验结果表明,该多管静电旋风捕集器具有高捕集效率、低排气背压、大流量及可有效清灰等特点。
A method of arranging orifices with varied opening area according to the pressure variation in the pipe is suggested in order to ensure the uniformity of water-distribution in the low head filter.
并提出按管内压头来改变开孔面积的布孔方法,以便保证用于低水头滤池时布水的均匀性。
By using the special ram-extruder, the temperature and pressure in the extrusion course can be ensured and the pipe of high quality and low cost can be obtained.
使用专用的柱塞挤出机,保障挤出过程中所需的温度和压力,可以得到高性价比的管材产品。
An explosion accident of oxygen pipe at low temperature due to excess operating pressure is introduced. Based on cause analysis of the accident, corresponding precaution measures are presented.
介绍一起氧气管道低温态超压爆破事故,分析了原因,并提出防范措施。
The utility model has the advantages of labor saving, quick installation, etc. The adaptor for a pipe is used in all mine enterprises and engineering which need to convey low pressure media.
本实用新型省工、省力、安装迅速,广泛应用于一切需要输送低压力介质的厂矿企业和工程中。
Abstract: There is a low-pressure nature gas in the brine well, the casing, well end and pipe are very corrosive because brine is accrued.
文摘:盐井伴生有低压天然气,实现加压采输后出现气井套管、井口,输气管线被严重腐蚀的现状。
Along with the hot-rolled strip quality and the level of ERW pipe manufacture improve in domestic, the factors manufacturing welded pipe for low and medium pressure boiler have possessed.
随着我国热轧卷板质量及ERW制管水平的提高,生产低中压锅炉用电阻焊钢管的条件已经成熟。
Test results show that the multi-pipe ESCP can trap diesel particulate efficiently with low back-pressure at high gas volume and dislodge p...
试验结果表明,该多管静电旋风捕集器具有高捕集效率、低排气背压、大流量及可有效清灰等特点。
A method of arranging orifices with varied opening area according to the pressure variation in the pipe is suggested in order to ensure the uniformity of water-distribution in the low head fi...
并提出按管内压头来改变开孔面积的布孔方法,以便保证用于低水头滤池时布水的均匀性。
Absorb 4.5 million farmers into factory practitioners, annual output accounting for one third of total output, which in the low-pressure pipe production account for 80% of total production.
吸纳了4.5万农民进厂从业,年产量占全国总产量的三分之一,其中中低压管件产量占到全国总产量的80%。
Its installation location involves shorter straight pipe section, low pressure loss, high accuracy, small amount of maintenance and stable performance. The application status is a...
其安装位置对直管段长度要求短、压损低、精确度高、维修量少,性能稳定,并介绍了应用情况。
This thesis analyzes about it, then finds out a method of calculating pipe diameter in the low-pressure or v...
本文就这个问题进行了分析,以找出在低压状态(或真空状态)下计算管径的方法。
This thesis analyzes about it, then finds out a method of calculating pipe diameter in the low-pressure or v...
本文就这个问题进行了分析,以找出在低压状态(或真空状态)下计算管径的方法。
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