發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Effects of chitosan and citric acid on pericarp browning and polyphenol oxidase activity of longan fruit