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

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