發送短信 : Development of magnesium-silicate-hydrate (M-S-H) cement with rice husk ash

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