أرسل هذا في رسالة قصيرة: Solar heat absorbing coating from multi-walled carbon nanotube composites with linear low-density polyethylene-coated copper sheet

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