發送短信

數:

提供者:

CAPTCHA:

 _    _     ______   _    _     ______    _  _   
| |  | ||  /_   _// | |  | ||  /_   _//  | \| || 
| |/\| ||   -| ||-  | |/\| ||   -| ||-   |  ' || 
|  /\  ||   _| ||_  |  /\  ||   _| ||_   | .  || 
|_// \_||  /_____// |_// \_||  /_____//  |_|\_|| 
`-`   `-`  `-----`  `-`   `-`  `-----`   `-` -`

Please enter what you see:

發送短信 : Selectivity of flame-spray-made Nb/ZnO thick films towards NO 2 gas