發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Effect of excess air on polycyclic aromatic hydrocarbons removal from petroleum sludge using thermal treatment with additives