أرسل هذا في رسالة قصيرة: Development of reduced graphene oxide from biowaste as an electrode material for vanadium redox flow battery

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