發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Synthesis and characterization of metal sulfide and oxide nanoparticles from molecular precursors