释义 |
mes·o·tho·ri·um AHD[mĕz'ə-thôrʹē-əm, -thōrʹ-, mĕs'-] D.J.[ˌmezəˈθɔːriːəm, -ˈθəʊr-, ˌmes-]K.K.[ˌmɛzəˈθɔriəm, -ˈθor-, ˌmɛs-]n.(名词)- Either of two decay products of thorium, mesothorium I, an isotope of radium, or mesothorium II, an isotope of actinium.新钍:钍的两种放射性生成物之一,即新钍1号,它是镭的同位素,或新钍2号,它是锕的同位素
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