Text this: 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

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| |__/ || | \\_/ ||   / . \\  | \\_/ || |  /\  || 
|_____//   \____//   /_//\_\\  \____//  |_// \_|| 
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