从实验和理论上对超声强化超临界流体萃取的机理进行了研究。
The extraction mechanism of ultrasound-enhanced supercritical fluids was studied theoretically and experimentally.
结果表明：超声强化超临界流体萃取的机理不是源于超声空化，而是超声在微环境内产生的机械波动效应和热效应。
The results show that the extractive enhancement mechanism in USFE is primarily mechanical fluctuant effect and thermal effect of ultrasonic in microenvironment rather than that of cavitary effect.
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