Preparation and characteristics of novel dialdehyde aminothiazole starch and its adsorption properties for Cu (II) ions from aqueous solution新型双醛氨基噻唑淀粉的制备、表征及其对水溶液中Cu (ⅱ) 离子的吸附性能CARBOHYDRATE POLYMERSIF12.52008-05-0189PREAI