أرسل هذا في رسالة قصيرة: Photoelectric multilevel memory device based on covalent organic polymer film with keto–enol tautomerism for harsh environments applications

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