أرسل هذا في رسالة قصيرة: Synthesis and characterization of hierarchical multilayered flower-like assemblies of Ag doped Bi<inf>2</inf>WO<inf>6</inf>and their photocatalytic activities

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