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           _    _     _____      ___      _  __  
  ____    | || | ||  /  ___||   / _ \\   | |/ // 
 |    \\  | || | || | // __    / //\ \\  | ' //  
 | [] ||  | \\_/ || | \\_\ || |  ___  || | . \\  
 |  __//   \____//   \____//  |_||  |_|| |_|\_\\ 
 |_|`-`     `---`     `---`   `-`   `-`  `-` --` 
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Text this: Physical and mechanical properties of Bi<inf>0.5</inf>(Na<inf>0.81</inf>K<inf>0.19</inf>)<inf>0.5</inf>TiO<inf>3</inf> ceramic modified by KNbO<inf>3</inf>