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promethium
音标与读法
这里为大家介绍下promethium 是什么意思,希望能帮助到各位朋友。
中英文翻译
n.
【化学】钷〔略 Pm;旧名 illinium ?〕。
a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium
同义词:Pm, atomic number 61,
Promethium, originally prometheum, is a chemical element with the symbol Pm and atomic number 61. All of its isotopes are radioactive; it is one of only two such elements that are followed in the periodic table by elements with stable forms, a distinction shared with technetium.
例句与用法
1.Examination of radioactive materials for foods - determination of promethium - 147
食品中放射性物质检验钜- 147的测定
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