ndpd meaning in Chinese
中子孔隙度与密度孔隙度之差
Examples
- Non - dimensional parameters diagnosis ( ndpd ) has been used to detect damage in the experiments
为替代货车滚动轴承故障的人工经验检测提供了较好手段。 - In this paper , researches were made on diagnosing the rolling bearings on the freight in the high - speed freight train by using ae method : we analyse the the non - dimensional parameters diagnosis ( ndpd ) in time domain of vibration , which have been adopted in the lab
因此，滚动轴承的故障检测一直是研究的热点。本文对于高速行驶的铁路货车轮对滚动轴承的不分解检测的声发射检测法进行了研究。