發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Preparation and characterization of rutile TiO 2 films