أرسل هذا في رسالة قصيرة: Barium titanate nanopowders prepared from the modified oxalate co-precipitation method

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