Abstract: This paper describes a measurement of lubricantfilm thickness in a roller bearing using a new ultrasonic pulserreceiver, which has a maximum pulse repetition rate (PRR) of 100 kHz. The experimental results show that a ...

Abstract: To cope with the phenomenon of moisture imbalances in subgrades due to excavation, the resistivity of different excavation subgrades (deep excavation section, shallow excavation section, and cut-and-fill transition section) ...