أرسل هذا في رسالة قصيرة: The influence of heat treatment condition on electrical properties of glass-ceramics containing ferroelectric lead bismuth germanate ((Pb 3Bi 2(GeO 4) 3)

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