أرسل هذا في رسالة قصيرة: Characterization of ZnSe nanoparticles prepared using ultrasonic radiation method

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