發送短信 : Morphology development of ZnO produced by sonothermal process

 ______    _    _    _    _    _    _     ______  
|      \\ | || | || | |  | || | || | ||  /_   _// 
|  --  // | || | || | |/\| || | || | ||  `-| |,-  
|  --  \\ | \\_/ || |  /\  || | \\_/ ||    | ||   
|______//  \____//  |_// \_||  \____//     |_||   
`------`    `---`   `-`   `-`   `---`      `-`'