發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Cost-effective porous carbon materials synthesized by carbonizing rice husk and K2CO3 activation and their application for lithium-sulfur batteries