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~(151)Sm是一种裂变产物核素,半衰期为90a。~(151)Sm属于稀土元素。随着稀土资源的开发和在各个领域的广泛应用,稀土元素可以通过许多途径进入环境和生物体内,因此稀土元素对环境、生态
~ (151) Sm is a fission product nuclide with a half-life of 90a. ~ (151) Sm belongs to the rare earth element. With the development of rare earth resources and the wide application in all fields, rare earth elements can enter the environment and the living body through many ways. Therefore, rare earth elements have great impact on environment and ecology