近年来,随着新技术的蓬勃发展,希土元素的应用也日渐广泛,从而加强了对它們的研究。特别是在它們的分离方法上,近年来有了很大的进展,使这些性貭上彼此很相似、因而很难彼此分离的元素,在人們的努力下已能被全都分离出来,并投入生产。长期以来被視作无机化学和分析化学中的謎,已被逐步揭 In recent years, with the vigorous development of new technologies, the application of rare earth elements has also become increasingly widespread, thus strengthening their research. In particular, in their methods of separation, great progress has been made in recent years to make these characteristics very similar to each other, so that elements that are difficult to separate from each other have been separated and put into full production by people’s efforts . Has long been regarded as a mystery in inorganic chemistry and analytical chemistry and has been gradually exposed