High efficiency of phosphate adsorption by yolk-shell Mn-La binary nanocomposites from aqueous solution: Adsorption and mechanism studies蛋黄-壳mn-la二元纳米复合材料对水溶液中磷酸盐的高效吸附: 吸附和机理研究JOURNAL OF WATER PROCESS ENGINEERINGIF6.72025-03-010OAAI