發送短信 : 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

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