أرسل هذا في رسالة قصيرة: Effects of rare earth additive (Nd<inf>2</inf>O<inf>3</inf>) on microstructure and dielectric properties of lead zirconate titanate ceramics

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