أرسل هذا في رسالة قصيرة: Fabrication and characterization of graphene quantum dots thin film for reducing cross-sectional heat transfer through smart window

 _    _    _    _    ______    _    _     ______  
| || | || | || | || |      \\ | || | ||  /_   _// 
| || | || | || | || |  --  // | || | ||    | ||   
| \\_/ || | \\_/ || |  --  \\ | \\_/ ||   _| ||   
 \____//   \____//  |______//  \____//   /__//    
  `---`     `---`   `------`    `---`    `--`