發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Effect of iron (III) oxide concentration on the performance of meta-resonators embedded in cementitious matrix