أرسل هذا في رسالة قصيرة: Impedance and dielectric properties of Nb-doped Pb(Zr0.52Ti 0 48)O3 ceramics

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