發送短信 : Experimental evaluation of different sulphuric acid concentrations in chemical detection of ethanol

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