By using the acoustic emission technique to monitor the fractures on analogous pressure pipes of the primary circuit, which has had cracks and was loaded with pressure, was investigated.
在力学试验研究中，采用声发射技术对已具有疲劳裂纹的核反应堆一回路模拟压力管进行加载爆破断裂的监测。
A modified equivalent circuit model of an acoustic gas sensor with resonator is introduced in this paper.
提出了一种谐振腔声气体传感器的等效电路修正模型。
The paper describes the circuit principle and the construction of a overload detector which has functions of discriminating overload signal and detecting valid signal for a random acoustic pulse.
本文阐述一种随机信号过载检测器的原理和电路结构，它兼有既能识别过载又能实现信号灵敏可靠检测的功能。
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