發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Numerical studies of solid-solid mixing behaviors in a downer reactor for coal pyrolysis