Research Based on Pipe Line Leakage Signal Extraction with Piezoelectric Sensor 压电式管道泄漏信号的特征提取及应用研究
Cryogenic line leak detector Review of Researches on Acoustic Detection and Location System for Boiler Tube Leakage 制冷剂排管泄漏检测器炉内管道泄漏声检测与定位系统的研究现状
Research of Method of Transient Component Line Selection Leakage Protection Based on Wavelet Analysis 基于小波分析的暂态量选线式漏电保护方法的研究
Check the oil line system, and the front and rear shock dampers for leakage; if yes, repair it. 检查油路系统、前后减振器有无漏油现象,若有予以修理。
This also has increased the number of findings in line maintenance ( such as leakage or heavy corrosion, etc.), which also drives early overhauls; 这还让航线维护检查诸如渗漏或严重腐蚀检查的工作量增加,也让起落架大修提前;
Leakage model of the synchronal rotary air compressor was established toward its characteristics of more leaking channels and relatively longer leaking line. And it analyzed the relation among the leakage rate and the leaking channels 'geometric features, motion characteristics and pressure difference in detail. 针对同步回转式空气压缩机气缸内部泄漏通道多、间隙相对长度较大的特点,建立了系统泄漏模型,分析了各个泄漏通道的几何特点、运动特征和压差与泄漏量之间的关系。
In the light of the shortcomings of small leakage diagnosis of oil pipe line, a new leakage detection method based on modified rarefaction wave diagnosis model is presented. 针对国内外对输油管道小泄漏诊断工作存在的不足,研究了一种基于改进的负压波诊断模型的泄漏诊断方法。
On Line Test Technology for SF_6 Gas Density and Humidity and Leakage in GIS H.V Electrical Apparatus GIS高压电器SF6气体密度、湿度及泄漏检测技术
Line synchronization features extraction technology of computer video leakage information 计算机视频泄漏信息的行同步特征提取技术
The paper discusses the affection of fault location of AT traction power network by factors of AT leakage, mutual induction between up and down line and rail-ground leakage admittance. 本文讨论了AT漏抗、上下行互感、轨地泄漏导纳等因素对AT牵引网故障测距的影响。
Diagnosing research on line leakage by pressure measurement 管道泄漏的压力测量诊断方法实验研究
Analysis of on-line detection methods on MOA leakage current 氧化锌避雷器泄露电流在线监测技术分析
Conductor defect inspection of transmission line based on eddy current and leakage magnetic flux 基于涡流和漏磁检测原理的输电线路导线损伤检测
Focusing on the problem of detecting metal tube's gap on continuous cold tube rolling line, this paper describes the necessity and advantages of detecting by eddy current leakage measure. 本文针对连续冷轧管生产线上的管缝探测这一实际课题,阐述用电涡流法实现监测的必要性与优越性。
Based on the traditional tunnel construction techniques, and in the light of the features of the tunnel of Wuhe special passenger line, this paper puts forward some corresponding key techniques from the drill blasting, leakage, construction ventilation, and stepped construction, etc. 在传统隧道施工技术的基础上,针对合武铁路客运专线隧道的特点,从钻爆、渗漏、施工通风、台阶法施工及仰拱施工几个方面提出了相应的施工关键技术攻关思路。
Results indicate that the small trench can reduce the underground water line over 10 cm, increase the field leakage about 2 mm/ day. 结果表明,排水毛渠能降低地下水位10cm以上,增加田间渗漏约2mm/昼夜。
Principle of line frequency withstand voltage test equipment, the relation between test transformer capacity and leakage current setting value and cautions at test are described. 描述了工频耐受电压试验设备原理、试验变压器容量与泄漏电流整定值之间的关系以及试验时的注意事项。
Technology of Telephone Line Protected from Information Leakage 电话网线防信息泄漏技术
Combining with the construction of shield driving out of the tunnel in the section between Qibao Station-Outer ring Station along Line 9 of Shanghai tunnel, the paper introduces in details the construction method of the liquefied nitrogen freezing adopted when water leakage occurs in the driving-out process. 文章结合上海地铁9号线七宝站~外环路站区间隧道盾构出洞的实际情况,详细介绍了盾构出洞过程出现渗漏水时采用液氮垂直冻结处理的施工方法。
By comparing remote leakage test with on-the-spot leakage test in underground power supply system without the neutral line earthing, this article considers that the remote test can verify the on-the-spot one and is an important leakage protection measure. 对煤矿井下中性点不接地供电系统远方与就地漏电试验的方法进行了比较,认为远方漏电试验可以验证就地漏电试验,是检验漏电保护可靠性的重要措施;
The results indicate that magnetic memory testing method can determine the welding line nature and synthesis, evaluate it with magnetic leakage field parameters, and find disfigurement in welding with magnetic leakage field grads and intensity coefficient of concentration of stress. 结果表明:磁记忆法利用漏磁场参数可对焊缝质量进行定性和综合评估,用漏磁场梯度(应力集中强度系数)可找出焊缝缺陷。
The system enables online monitoring of multiple parameters, will be monitoring the line of leakage current, copper temperature, ambient temperature and environmental tobacco smoke and other parameters are displayed through the LCD. 本系统可实现多个参数的在线监测,将被监测线路的漏电流、铜排温度、环境温度以及环境烟雾等参数通过液晶屏显示出来。
By analyzing magnetic line distribution inside the motor, it is found that the winding inductance composed of magnetizing inductance, harmonic leakage inductance and slot leakage inductance. 通过分析电机内的磁力线分布得出绕组自感由激磁感、谐波漏感、槽口漏感和槽内漏感组成。
Zr-based bulk amorphous wear-resistance rod, which is manufactured by line cutting machine is applied in magnetic leakage shoe. 采用线切割机制备Zr基块体非晶耐磨块应用于漏磁探靴,通过在线应用来检测摩擦磨损及信号输出情况。