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1)  ultrasonic guided circumferential waves
超声周向导波
2)  Guided Wave Ultrasonic Technique (GWUT)
导向型超声波
3)  longitudinal ultrasonic guided wave
纵向超声导波
1.
Data analysis and simulation indicate that longitudinal ultrasonic guided wave can be applied to the on-line distance detection of the pipelines covered or sheltered by barriers.
在纵向超声导波基本原理的基础上,分析了两种纵向模式位移分量随频率的变化而变化的情况,给出了一种梳状对称换能器对管道缺陷的有效检测。
4)  guided circumferential waves
周向导波
1.
In ultrasonic nondestructive inspection of large-diameter pipes, longitudinal cracks can be detected more efficiently by using guided circumferential waves.
周向导波适于大直径管道纵向缺陷的超声无损检测。
2.
The model of the propagation of guided circumferential waves along a double-walled carbon nanotube is built by using the theory of wave propagation in continuum mechanics,and the van der Waals force between the inner and outer nanotube are taken into account in the model.
考虑双层碳纳米管的层间范德华力,采用连续介质力学的波动理论,建立了双层碳纳米管中周向导波传播模型,研究周向导波的频散现象。
3.
The results show that the first wave mode of the guided circumferential waves approaches to the Rayleigh wave as the frequency tends to infinity.
通过对层间界面固接的双层复合圆筒中周向导波频散现象的研究,以及与单层筒和层间界面光滑接触的双层复合圆筒频散曲线的比较,发现周向导波在双层复合圆筒中传播时,会发生明显的频散现象,其第一阶模态,在高频时接近于无频散Rayleigh面波。
5)  ultrasonic guided waves
超声导波
1.
Application of transducers in pipes inspection using ultrasonic guided waves;
传感器在管道超声导波检测中的应用
2.
Measurements of group velocity of ultrasonic guided waves and thickness of material based on Hilbert-Huang transform;
基于希尔伯特-黄变换测量超声导波的群速度及材料厚度
3.
Nondestructive test of ultrasonic guided waves for material damage;
材料损伤的超声导波无损检测
6)  ultrasonic guided wave
超声导波
1.
Application of ultrasonic guided waves technology to inspection of bolt embedded in soils;
超声导波技术在埋地锚杆检测中的应用研究
2.
Defect recognition in pipes based on neural networks with ultrasonic guided waves
基于神经网络的超声导波管道缺陷识别
3.
Signal correlation analysis of ultrasonic guided wave in damaged pipe
含缺陷管道超声导波检测信号的相关性分析
补充资料:CLY-1型超声波在线粒度分析仪


CLY-1型超声波在线粒度分析仪


  黔CLY一l型超声波在线粒度分析仪
  
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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