發送短信 : Preparation of perovskite nanopowders by vibro-milling technique

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