發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Multi-reverse flow injection analysis integrated with multi-optical sensor for simultaneous determination of Mn(II), Fe(II), Cu(II) and Fe(III) in natural waters