أرسل هذا في رسالة قصيرة: Dynamic behaviors of micro air bubbles in a stagnant vertical water reactor

             ___     _____       ___     _____    
    ___     / _ \\  |  __ \\    / _ \\  |  __ \\  
   /   ||  | / \ || | |  \ ||  | / \ || | |  \ || 
  | [] ||  | \_/ || | |__/ ||  | \_/ || | |__/ || 
   \__ ||   \___//  |_____//    \___//  |_____//  
    -|_||   `---`    -----`     `---`    -----`   
     `-`