An extensive collection of recommended books and proceedings from numerous conferences on internal friction-mechanical spectroscopy, and ultrasonic attenuation is provided.
本文广泛地收集了有关内耗，力学谱，超声衰减方面的专著及会议文集。
The orientation behaviour of molecular chains of hard elastic polypropylene(HEPP) film was investigated on the uniaxial stretching by polarized IR Vibration-Mechanical Spectroscopy.
本文用力学-振动光谱研究了硬弹性聚丙烯（HEPP）晶区和非晶区分子链在拉伸时取向的变化。
The failure copper pipe was inspected by chemical composition analysis, mechanical performance testing, SEM and Energy spectroscopy.
对该铜管进行了化学成分、力学性能以及扫描电镜和能谱分析等试验。
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