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[期刊论文] 作者：Chi Dazhao,Gang Tie,
来源：中国焊接 年份：2020
In order to improve the work efficiency of non-destructive testing (NDT) and the reliability of NDT results, an automatic method to detect defects in the ultras...
[期刊论文] 作者：Chi Dazhao,Gang Tie,Liu Qiang,
来源：中国焊接 年份：2004
Brazed weldment with lattice structure has been widely used in aerospace industry.The non-destructive testing is often difficult because of the poor inspection...
[期刊论文] 作者：Chi Dazhao,Gang Tie,Gao Shuang,
来源：中国焊接 年份：2004
The lateral wave in ultrasonic TOFD (time of flight diffraction) image has a tail in transit time, which disturbs the detection and evaluation of shallow weld d...
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