أرسل هذا في رسالة قصيرة: Effects of PZT content and particle size on ferroelectric hysteresis behavior of 0-3 lead zirconate titanate - Portland cement composites

 _    _     _____     _____      ___              
| |  | ||  |  ___||  |__  //    / _ \\      ___   
| |/\| ||  | ||__      / //    | / \ ||    /   || 
|  /\  ||  | ||__     / //__   | \_/ ||   | [] || 
|_// \_||  |_____||  /_____||   \___//     \__ || 
`-`   `-`  `-----`   `-----`    `---`       -|_|| 
                                             `-`