动物实验表明取代苯酚、苯二酚等氨羧酸螯合剂对放射性核素144Ce、234Th都有较好的促排效果。这类螯合剂的促排效果与结构有密切关......

用1-苯基-3-甲基-4-苯甲酰基-5-吡唑啉酮(PMBP)做萃取剂,氯仿和环己烷为稀释剂,观察了在HCl溶液46Sc的溶剂萃取行为.实验结果表明,......

In order to elucidate the regional export variation of particulate organic carbon in the western Arctic Ocean, samples v......

The paper describes the solvent extraction of trace thorium from hydrochloric acid media by1-phenyl-3-methyl-4-benzoyl-5......