1) ultrasonic online testing
超声在线检测
1.
Noise, an important factor which impact on the performance of ultrasonic online testing system, has a direct influence on the signal-to-noise ratio\'s level of ultrasonic signal acquisition.
噪声是影响超声在线检测系统性能的一个重要因素,对超声采集信号信噪比的高低有直接影响。
2) Acoustic On-Line Inspection
声学在线检测
3) on-line acous tic emission testing
在线声发射检测
4) on-line ultrasound
在线超声
1.
Effect of on-line ultrasound on the properties of activated sludge mixed liquor in a membrane bioreactor;
在线超声对膜-生物反应器活性污泥混合液性质的影响
2.
A novel on-line ultrasound assisted membrane bioreactor (US-MBR) was proposed to control membrane pollution.
构建在线超声-膜生物反应器(US-MBR),利用间歇超声辐照控制膜污染。
5) ultrasonic inspection
超声检测
1.
Application of adaptive band-pass filter in ultrasonic inspection based on split-spectrum processing technique;
基于分离谱技术的自适应带通滤波法在超声检测中的应用
2.
Study on recognition of corrosion in pipeline based on ultrasonic inspection;
基于超声检测的管道内腐蚀缺陷识别研究
3.
Research of surface reconstruction and path generation by ultrasonic inspection;
超声检测中曲面重构和路径规划方法研究
6) Ultrasonic testing
超声检测
1.
Research into the methods for ultrasonic testing of welds for steel- structure truss with connected lines;
钢结构桁架相贯线焊缝超声检测方法研究
2.
Effect of adhesive layer’s thickness on ultrasonic testing of adhesion quality;
粘接层厚度对粘接质量超声检测的影响分析
补充资料:超声
超声
UltrasofliCS
是指超出人耳听力范围的高频声(频率超过20000Hz)。超声具有与一般声音共同的物理性质,还具有一些其他重要的物理特性,如能够成束发射,直线传导,方向性好。传导过程中遇有声阻抗不同的反射界面时产生反射、折射、聚焦和散焦等现象。用于临床诊断的超声频率一般为2~7.5MHz。频率越高,对组织结构的分辨力越强,但远场声能容易被组织吸收、衰减,不易穿透较深的层次。
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