1) ultrasonic wave test method
超声波检测法
1.
Combining with the test example of some bridge piles foundation in Chongqing city,expatiates the principle of the ultrasonic wave test method and the detailed pile quality test steps when using the ultrasonic wave test method,in the end,prospeced the prospect of the ultrasonic wave test method.
结合重庆市某工地桥梁桩基检测工程实例,阐述了超声波检测的基本原理以及利用超声波检测法用于桩身质量检测的具体实施步骤,最后对超声波法检测桩基技术进行了展望。
3) ultrasonic testing
超声波检测
1.
Analysis about ultrasonic testing for welded seam of a steel structure;
某工程钢结构焊缝超声波检测实例分析
2.
The failures analysis of post insulator and porcelain bushing and study of ultrasonic testing technique;
支柱绝缘子和瓷套失效分析及超声波检测工艺方法研究
3.
Rain proofing performance test for automobiles by ultrasonic testing;
基于超声波检测的汽车防雨密封性试验研究
4) ultrasonic inspection
超声波检测
1.
The fully automatic ultrasonic inspection technique has successfully been applied in West to East Gas Transmission Pipeline Project owing to its advantages of fast inspection,accurate defect lo-cating,high sensitivity,prompt outcome,easy and simple operation.
全自动超声波检测技术具有检测速度快、缺陷定位准、检出灵敏度高、即时出结果、简捷方便等优点,在西气东输管道工程中得到了成功应用。
2.
Carry out the study of small pipeline inspection technology, adopt ultrasonic inspection method of single probe reflector, and analyze plane reflector influence on focusing ultrasonic beam.
开展小管道检测技术的研究,采用单探头反射镜式的超声波检测方法,分析了平面反射镜对聚焦声束的影响,对采用平面反射镜检测柱面工件时,工件中的焦点位置及焦柱参数的确定方法进行了探讨。
5) ultrasonic test
超声波检测
1.
Discussion on ultrasonic test of welding joint for butt welding crack in reheating steam pipe;
再热蒸汽管道对接焊缝焊接接头超声波检测探讨
2.
The welding joint crack and ultrasonic test of power plant pipes;
电站管道焊接接头裂纹与超声波检测
3.
The procedure of ultrasonic test on valve nut made of albronze in Harbin Boiler Co.
阐述了哈尔滨锅炉厂有限责任公司阀门螺母用材铝青铜棒(QA110-4-4)的超声波检测过程,确定了最佳优化检测参数,对计算法和试块法灵敏度调节方法进行了对比。
6) Ultrasonic detection
超声波检测
1.
A new partial discharge(PD) ultrasonic detection system is developed to investigate the characteristics of PD models.
研制了局部放电超声波检测系统,并对局部放电模型的放电特性进行了研究。
2.
According to the shortages of the traditional ultrasonic detectors in online inspection,such as low anti-interference capability and sensibility,through introducing the theory of ultrasonic detection system,a circuit module for signal collecting and amplifying of multi-functional ultrasonic detection system is designed.
针对传统超声波探伤仪在进行在线检测时存在抗干扰能力差、灵敏度低等缺点,通过对超声波检测系统原理的介绍,设计了一种用于多功能超声波检测系统检测信号的采集及放大电路模块。
3.
According to the principles of geometrical acoustics, deduces focusing distance calculation formula when water immersion focus probe detects in ultrasonic detection, analyzes the rightness of the formula, at the same time analyzes using condition of experienced similar formula referred by relevant papers and factors affecting focusing distance errors.
根据几何声学的原理,推导了超声波检测中水浸聚焦探头探测工件时焦距的计算公式,并分析了所导出公式的正确性,同时也分析了有关文献提出的经验近似公式的使用条件和影响焦距偏差的因素。
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