發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : A simple approach to estimate gas permeability and selectivity of extremely thin and brittle materials