أرسل هذا في رسالة قصيرة: Acetone-induced graphene oxide film formation at the water-air interface

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