نتایج جستجو برای: 20 khz

تعداد نتایج: 619329  

Journal: :The Journal of the Acoustical Society of America 1983

Journal: :The Transactions of The Korean Institute of Electrical Engineers 2013

1998

The combination of sonolysis and ozonolysis as an advanced oxidation process was investigated to gain insight into factors affecting enhancement of the combined system. Sonolysis, ozonolysis, and a combination of the two were used to facilitate the degradation of three known organic contaminants, nitrobenzene (NB), 4-nitrophenol (4NP), and 4-chlorophenol (4-CP), in water. Experiments were perfo...

2002
D. Haemmerich D. M. Mahvi F. T. Lee J. G. Webster

Radio Frequency (RF) ablation has become of considerable interest as a minimally invasive treatment for primary and metastatic liver tumors. Major limitations are small lesion size, which make multiple applications necessary and incomplete killing of tumor cells, resulting in high recurrence rates. RF ablation is typically carried out in the frequency range of around 500 kHz. Measurements have ...

Journal: :Journal of the Association for Research in Otolaryngology 2016

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