發送短信 : Effect of Bi<inf>2</inf>O<inf>3</inf> content on properties of (Na <inf>2</inf>O, K<inf>2</inf>O)-SiO<inf>2</inf>-CaO-Al<inf>2</inf>O <inf>3</inf>-B<inf>2</inf>O<inf>3</inf> glass system

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