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

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Text this: Photocatalytic degradation of methylene blue by C<inf>3</inf>N<inf>4</inf>/ZnO: The effect of the melamine/ZnO ratios