أرسل هذا في رسالة قصيرة: Determination of organophosphorous pesticides in wastewater samples using binary-solvent liquid-phase microextraction and solid-phase microextraction: A comparative study

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