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 _    _    __   __   ______      ___      ______  
| || | ||  \ \\/ // |      \\   / _ \\   /_   _// 
| || | ||   \ ` //  |  --  //  / //\ \\  `-| |,-  
| \\_/ ||    | ||   |  --  \\ |  ___  ||   | ||   
 \____//     |_||   |______// |_||  |_||   |_||   
  `---`      `-`'   `------`  `-`   `-`    `-`'

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Text this: Liquid phase styrene epoxidation catalyzed by rice husk ash silica derived mesoporous calcium silicate and calcite-type calcium carbonate catalyst