發送短信 : Highly asymmetric structure : synthesis of gold nanobroom (aunb).

 _____     _    _     _____     ______    _____   
|  __ \\  | || | ||  / ____||  /_   _//  /  ___|| 
| |  \ || | || | || / //---`'   -| ||-  | // __   
| |__/ || | \\_/ || \ \\___     _| ||_  | \\_\ || 
|_____//   \____//   \_____||  /_____//  \____//  
 -----`     `---`     `----`   `-----`    `---`