أرسل هذا في رسالة قصيرة: Fabrication of polyvinylidene fluoride (PVDF) ultrafiltration hollow fiber membranes by modified thermally induced phase separation

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