أرسل هذا في رسالة قصيرة: Particle-scale characteristics of the three distinct regions in the multi-chamber slot-rectangular spouted bed

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