| 1. | The acoustic emission also shows a decreasing rate, following the drop in stress-intensity factor .
随着应力强度因子的下降，声发射也随着减少。 |
| 2. | This section will deal with the emission observed from flawed material during a risingload test .
本节讨论在缺陷材料升载试验中所观察到的声发射。 |
| 3. | Acoustic emission is the characteristic and irreversible sound emitted by a material when it is deformed .
声发射是当材料变形时所发出的特殊的不可逆的声响。 |
| 4. | An acoustic-emission pulse contains a very wide range of frequency components, extending up into the megacycle range .
声发射脉冲就包含一个很宽的频率组成范围，可扩展到兆赫。 |
| 5. | Acoustic-emission techniques have been used to determine the rate of cracking of highstrength steel due to hydrogen embrittlement .
声发射技术已被用来确定高强钢因氢脆而开裂的速率。 |
| 6. | The emission observed while holding at the proof load provides another piece of information regarding the imminence of failure .
在验证载荷施加期间，检测声发射还能额外地提供有关破坏临近程度的信息。 |
| 7. | The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band .
声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。 |
| 8. | Investigators at aerojet-general corporation and other organizations have applied acoustic emission with multiple transducers, and triangulation techniques to the detection and location of flaws in large structures .
通用航空喷气公司和其他机构的研究人员用多路传成器和三角定位技术将声发射应用于大型结构的袭纹检测与定位工作中。 |
| 9. | Acoustic emission source location and analysis system
声发射源定位及分析系统 |
| 10. | Practice for verifying acoustic emmission sensor response
声发射传感器响应的验证惯例 |
