Abstract: Bolt-clamped Langevin ultrasonic transducers are widely used in industrial, medical, and research applications attributed to their ability to generate high-power ultrasonic waves. Due to ...
FILE - A feed from the MSNBC cable news channel is pictured on a monitor as media organizations set up outside the White House, Nov. 6, 2020, in Washington. President Donald Trump's razing of the ...
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