發送短信 : Sol-gel synthesis and characterization of BaTi2O5 powders

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