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2025, Vol. 46(19): 101-106    DOI: 10.13884/j.1003-3807hxjy.2025020047
Experimental Exploration of Core Literacy Orientation: Principles and Effects of Water Purification by Alum and Activated Carbon
YAN Xue-Mei1, CHENG Su-Fang2**, ZHU Cheng-Dong3, HU Hai-Ming4
1. Tunxi No.4 Middle School, Huangshan 245000, China;
2. Huangshan Education and Science Research Institute, Huangshan 245000, China;
3. Anhui Education and Science Research Institute, Hefei 230000, China;
4. Qimen No.1 Middle School, Huangshan 245600, China
Received 2025-02-06  Revised null
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