光谱学与光谱分析 |
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The Influence of Dissolved Oxygen on Sonoluminescence |
LIU Yan1,WANG Jun2 |
1. School of Chemical Engineering,Qinghai University, Xining 810016, China 2. Institute of Chemical Engineering,Dalian University of Technology, Dalian 116012, China |
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Abstract Ultrasound at frequency of 1.1 MHz was used to study the sonoluminescence(SL) in air-saturated water at temperature ranging from 283 to 313 K. It was found that the logarithm of the detected SL intensity increases linearly with the dissolved oxygen(DO) concentration. The waters with five kinds of anions in different concentration (mg·L-1): Cl-(5-25),NO-3(0.2-1.8),F-(0.1-2.7),HCO-3(8-15),SO2-4(0.4-40) were used to simulate natural environmental chemistry background. The experimental results show that the anions in the simulated water have no influence on the SL intensity.
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Received: 2003-12-06
Accepted: 2004-03-26
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Corresponding Authors:
LIU Yan
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[1] Vernall R E,Sehgal C M. Ultrasonics,1987, 25:29. [2] Crum L A. Phys. Today,1994(Sept.),786. [3] Chendke P K, Fogler H S. J. Phys. Chem.,1983,87:1644. [4] Chendke P K, Fogler H S. J. Phys. Chem., 1985,89:1672. [5] Weninger K, Hiler R,Barber B P. J. Phys. Chem., 1995,99:14196. [6] LIU Yan,SHI Cun-jie(刘 岩,师存杰). Technical Acoustics(声学技术), 2000,19:32. [7] LIU Yan, FEN Ruo, CHEN Z H. Water Res., 1995, 29:2014. [8] LIU Yan(刘 岩). Applied Acoustics(应用声学),1995, 14:37.
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