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

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Text this: STUDY OF OXIDATION RATE OF SULPHIDE MINERALS IN COAL MINING BASED ON LABORATORY KINETIC TEST RESULT.