أرسل هذا في رسالة قصيرة: Water washing and acid washing of gasification fly ash from municipal solid waste: heavy metal behavior and characterization of residues

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