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Long lifetime of nanobubbles due to high inner density

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【Author】 ZHANG LiJuan1,2, CHEN Hao3, LI ZhaoXia1,2, FANG HaiPing1 & HU Jun1,4 1 Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China; 2 Graduate University of the Chinese Academy of Sciences, Beijing 100080, China; 3 Department of Physics, Shanghai Jiao Tong University, Shanghai 200030, China; 4 Bio-X Life Science Research Center, College of Life Science and Biotechnology, Shanghai Jiao Tong University, Shanghai 200030, China

【摘要】 As predicted by classical macroscopic theory, the lifetime for nanoscale gas bub-bles is extremely short. However, stable gas nanobubbles have been experimen-tally observed in recent years. In this report, we theoretically show that, if the inner density of gas bubbles is sufficiently high, the lifetime of nanobubbles can increase by at least 4 orders of magnitude, and even approaches the timescale for experi-mental observations.更多还原

【Abstract】 As predicted by classical macroscopic theory, the lifetime for nanoscale gas bub-bles is extremely short. However, stable gas nanobubbles have been experimen-tally observed in recent years. In this report, we theoretically show that, if the inner density of gas bubbles is sufficiently high, the lifetime of nanobubbles can increase by at least 4 orders of magnitude, and even approaches the timescale for experi-mental observations.更多还原

【关键词】 nanobubble； stability； long lifetime； inner density；
【Key words】 nanobubble； stability； long lifetime； inner density；

【基金】 the National Natural Science Foundation of China (Grant Nos. 10474109 and 10674146)

【文献出处】 Science in China(Series G:Physics,Mechanics & Astronomy) ,中国科学(G辑:物理学力学天文学)(英文版) , 编辑部邮箱 ,2008年02期

【分类号】O361
【被引频次】22
【下载频次】36

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