As a new water treatment method, ultrasound technology is mainly based on high temperature pyrogenation and free radical oxidation contaminant during ultrasound process.

超声技术作为一种新型水处理方法，主要是利用超声过程中的高温热解和自由基氧化污染物。

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Results the more volume hyperthermal distilled water was injected, the bigger coagulative necrosis area in pork liver, the stronger cloudiness echo in its ultrasound examination.

结果离体猪肝凝固性坏死面积随注射高温水剂量增加而增大，超声显示云雾状强回声随注射量的增加而增大。

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Effects of water flow rate, time of ultrasound and electric power input on total removal efficiency and floatation efficiency were presented and analyzed.

探索了超声波输入电功率液体流量以及超声波作用时间对微粒分离效果的影响。

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That work showed acoustic invisibility in a shallow layer of water, at ultrasound frequencies above those we can hear.

BBC: Acoustic 'cloaking device' shields objects from sound