發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Optimization of catalyst composition in La0.75Ca0.25Cr0.5Mn0.5MxO3 for enhanced hydrogen production via methane cracking