發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Oxidative dehydrogenation of glycol to glyoxal on a P-modified electrolytic silver catalyst