أرسل هذا في رسالة قصيرة: Correlation between initial SiO<inf>2</inf>/Al<inf>2</inf>O<inf>3</inf>, Na<inf>2</inf>O/Al<inf>2</inf>O<inf>3</inf>, Na<inf>2</inf>O/SiO<inf>2</inf> and H<inf>2</inf>O/Na<inf>2</inf>O ratios on phase and microstructure of reaction products of metakaolin-rice husk ash geopolymer

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