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  _  __     ___                 ___     __   _   
 | |/ //   / _ \\    ____      / _ \\  | || | || 
 | ' //   / //\ \\  |    \\   | / \ || | '--' || 
 | . \\  |  ___  || | [] ||   | \_/ || | .--. || 
 |_|\_\\ |_||  |_|| |  __//    \___//  |_|| |_|| 
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Text this: Effects of vibro-milling time on phase formation and particle size of Zn<inf>3</inf>Nb<inf>2</inf>O<inf>8</inf>nanopowders