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单词 bohrium
释义

Collins Concise English Dictionary © HarperCollins Publishers::
bohrium /ˈbɔːrɪəm/ n
  1. a transuranic element artificially produced in minute quantities by bombarding 204Bi atoms with 54Cr nuclei. Symbol: Bh; atomic no: 107
    Former names: element 107, unnilseptium
Etymology: 20th Century: after Neils Bohr
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