發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Crystal structure and surface characteristics of Sr-doped GdBaCo 2 O6-: ? double perovskites: Oxygen evolution reaction and conductivity