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

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