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polonium

/pəˈləʊ.ni.əm/

翻译: 一种放射性金属元素,性质类似碲和铋,存在于铀矿石中,也可通过在中子反应堆中用中子轰击铋人工制得。

1 个条目

noun

/pəˈləʊ.ni.əm/C2formalscientific
  • zh一种放射性金属元素,性质类似碲和铋,存在于铀矿石中,也可通过在中子反应堆中用中子轰击铋人工制得。

A radioactive metallic element, similar to tellurium and bismuth, found in uranium ores and also produced artificially by bombarding bismuth with neutrons in a nuclear reactor.

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  1. Radioactive chemical elementC2formalscientific

    A rare, highly radioactive metallic element with the symbol Po and atomic number 84, chemically similar to tellurium and bismuth, found in trace amounts in uranium ores and produced artificially by neutron bombardment of bismuth.

    zh放射性化学元素

    • Polonium was discovered by Marie and Pierre Curie in 1898.
    • The element is extremely toxic even in minute quantities.
    • Polonium-210 is used as a heat source in space probes.
词形
  • poloniums plural form
  • poloniums' possessive plural form
  • polonium's possessive singular form