说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 漏磁定量检测
1)  magnetic quantificational inspecting
漏磁定量检测
2)  magnetic flux leakage testing
漏磁检测
1.
3-D imaging technology for determining defect of oil-gas pipeline in magnetic flux leakage testing;
油气管道漏磁检测缺陷的三维成像技术
2.
AC and DC magnetizing for magnetic flux leakage testing;
漏磁检测的交直流磁化问题
3.
Development and experimental result analysis of the magnetic flux leakage testing instrument;
管道漏磁检测仪的研制及实验结果分析
3)  magnetic flux leakage inspection
漏磁检测
1.
A way to improving accuracy and sensitivity of sucker rod crack using magnetic flux leakage inspection;
提高抽油杆微裂纹漏磁检测精度灵敏度新方法
2.
Methods of characterizing defects based on magnetic flux leakage inspection;
基于漏磁检测的缺陷量化方法
3.
To the bad noise interference problem occurred in the signal of pipeline defect magnetic flux leakage inspection,the empirical mode decomposition(EMD) method developed recently was used to the noise suppressing and the effective signal extraction for the signals of magnetic flux leakage inspection.
针对管道缺陷漏磁检测信号中存在严重噪声干扰的问题,将经验模态分解方法用于漏磁检测信号的噪声分离和有效信号提取,对实际测试的与输油管道材质相同且具有人为模拟缺陷的漏磁信号进行处理,结果表明,该方法可以很好地抑制噪声从而得到清晰的、表征缺陷特征的有用信号,达到与小波变换相同的处理效果,同时克服了小波方法中基函数选择困难的问题。
4)  magnetic flux leakage detection
漏磁检测
1.
Study on signal processing in magnetic flux leakage detection of oil pipe;
输油管道漏磁检测信号处理研究
2.
Impact of sensor liftoff on magnetic flux leakage detection in pipelines;
传感器提离值对管道漏磁检测的影响
3.
Transient simulation analysis on magnetic flux leakage detection of cracks in long-distance oil and gas pipeline
油气长输管道裂纹漏磁检测的瞬态仿真分析
5)  MFL testing
漏磁检测
1.
This paper introduces the application of modern signals processing technology in MFL signals processing based on the models of forward calculation and inverse calculation,and finally describes the direction of further research on MFL testing technology.
介绍了漏磁检测的正演计算模型及反演计算模型,阐述了现代信号处理技术及其在漏磁信号分析中的应用,指出了漏磁检测需要进一步研究的内容。
2.
In MFL testing introduces this method and denoises the signal, the results are keep accord.
并将此方法应用于漏磁检测中,通过试验,所得结果与实际缺陷相吻合。
6)  magnetic flux leakage
漏磁检测
1.
Test System of Magnetic Flux Leakage Base on AT89C52;
基于单片机AT89C52的漏磁检测实验系统开发
2.
A magnetic flux leakage(MFL) tank floor corrosion scanner was developed to detect corrosion defects in both the upper and lower surfaces of the tank floors to ensure safe operation.
为了对石化行业中使用的直径数十米的钢材料储罐底板上、下表面出现的腐蚀缺陷进行及时检测从而确保储罐安全运行,开发了1台基于漏磁检测原理的检测设备。
补充资料:磁粉检测
分子式:
分子量:
CAS号:

性质:无损检测的一种,多用于发现铁磁材料或零件表面的缺陷。首先对被检工件(铁磁性材料)进行外磁磁化处理,再在其表面上均匀喷洒细微粒磁粉(平均粒度为5~10微米),如果被检工件不存在缺陷,由于导磁率均匀无变化,工件表面上的磁粉是均匀分布的。若在其表面上存在缺陷,会产生的磁阻变化,使缺陷处产生漏磁场,并形成一个小小的N-S磁极,使磁粉在缺陷处形成堆积现象。这种检测的优点是可有效查出铁磁材料的表面缺陷,比其他无损检测方法简单、实用且十分直观,结果可靠。但缺点是无法测出表面以下深埋的缺陷,而且无法检测有色金属、奥氏体钢、非金属以及非导磁材料。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条