Dynamics of an ultrasound contrast agent microbubble near spherical boundary in ultrasound field<xref rid="cpb_28_11_114301_fn1" ref-type="fn">*</xref><fn id="cpb_28_11_114301_fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 11774088 and 11474090), the Hunan-Provincial Natural Science Foundation of China (Grant No. 13JJ3076), and the Science Research Program of Education Department of Hunan Province of China (Grant No. 14A127).</p></fn>

Dynamics of an ultrasound contrast agent microbubble near spherical boundary in ultrasound field**

Project supported by the National Natural Science Foundation of China (Grant Nos. 11774088 and 11474090), the Hunan-Provincial Natural Science Foundation of China (Grant No. 13JJ3076), and the Science Research Program of Education Department of Hunan Province of China (Grant No. 14A127).

Hu Ji-Wen^{1, 2}, Wang Lian-Mei¹, Qian Sheng-You^{2, †}, Liu Wen-Yi¹, Liu Ya-Tao¹, Lei Wei-Rui¹

The microbubble natural frequency as a function of reflection coefficient for two different types of walls with d = 1.1R₀, Rw = 5 μm and θ_max = π/2.