Nd Recovery from Wastewater with Magnetic Calcium Alginate ((1,4)-β-d-Mannuronic Acid and α-L-Guluronic Acid) Hydrogels

利用磁性海藻酸钙（(1,4)-β-d-甘露糖醛酸和α-L-古洛糖醛酸）水凝胶从废水中回收 Nd