Abstract: This work presents the development of a miniaturized ultrasonic liquid viscosity monitoring system based on piezoelectric micromachined ultrasonic transducers (PMUTs) array. The system ...
A Long March 3B rocket carrying a test satellite, Shijian 25, blasts off from the Xichang Satellite Launch Center in Southwest China's Sichuan province, Jan 7, 2025. [Photo/Xinhua] BEIJING -- China is ...
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