Synchronous thickness measurements of flowing liquid film on horizontal surface by ultrasonic pulse-echo and laser absorption spectroscopy methods
SU Mingxu, MUHAMMAD Abdul Ahad, JIANG Yong, WU Wei, YANG Huinan
CIESC Journal . 2018, (7): 2972 -2978 .  DOI: 10.11949/j.issn.0438-1157.20171251