自激振动射流空化喷嘴 self-resonating cavitating jet nozzle
螺旋桨空泡会降低螺旋桨性能，产生空化剥蚀和噪声，从而导致船体振动。
Propeller cavitation degrades propeller performance, erodes blade surfaces, produces noise, and causes vibration on the ship hull.
介绍了超声波具传播方向性强、介质振动强度大、在液体中可产生空化现象等特点。
Characteristics of ultrasound, such as strong directional transmission, high vibration intensity in the transmitting medium, and cavitation in liquid medium were introduced.
并从超声的机械振动效应、声空化效应等方面分析了声化学的作用机理。
The mechanism of sonochemical actions were discussed in view of mechanical fluctuation and cavitation effect of ultrasound.
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