This paper analyses oscillation mechanism of the oscillator in terms of pipelineimpedance and fluidic noise.
以共鸣器为振荡源，从管路阻抗的角度和射流噪声的角度对其振荡机理进行了分析。
2
This paper introduces the test principles and the technical advantages of alternating current impedance test method for testing the anti-corrosion properties of pipeline coating.
本文介绍了交流阻抗试验方法测定管道和大型油罐防腐涂料防腐性能的优点及测试原理。
3
Furthermore, the relation between number of loosed bolt and the change of impedance curves received on the pipeline flange was also investigated.