أرسل هذا في رسالة قصيرة: Effect of a direct sulfonation reaction on the functional properties of thermally-crosslinked electrospun polybenzoxazine (PBz) nanofibers

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