أرسل هذا في رسالة قصيرة: Preferential corrosion of coherent twin boundaries in pure nickel under cathodic charging

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