أرسل هذا في رسالة قصيرة: Mechanical properties and microstructure of Li<inf>2</inf>O-SiO<inf>2</inf>-P<inf>2</inf>O<inf>5</inf>-Al<inf>2</inf>O<inf>3</inf>-K<inf>2</inf>O-CaO glass-ceramics

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