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Department of Chemistry and Biochemistry, University of Oregon, Eugene, Oregon 97403, United States Oregon Center for Electrochemistry, University of Oregon, Eugene, Oregon 97403, United States ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Coal gangue from a certain coal mine was used as the raw material. The gangue samples were crushed and sieved to obtain the fine powder with a particle size of less than 1 mm for mechanical activation ...