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

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