This paper is concentrated on the study of the wear fault monitoring methods and the monitoring principle of 12150 engines based on oil analysis.
文中针对基于油液分析的12150发动机磨损故障监测方法进行研究，给出了油液监测机理。
Through calculation, testing and analysis, the crack monitoring and diagnosis methods of rotors are proposed and project examples are given.
通过计算与试验分析，提出了转子裂纹的监测和诊断方法，并给出了工程实例。
Its methods include weight loss hanging slice method, resistance method, hydrogen monitoring method, linear polarization resistance method and chemical analysis, etc.
其方法包括失重挂片法、电阻法、氢监测、线性极化电阻法、化学分析等。
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