| polonium |
a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor
출처: wordnet.princeton.edu/perl/webwn
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| polonium |
A radioactive element that occurs in pitchblende and other uranium-containing ores.
출처: www.waterquality.de/hydrobio.hw/PTERMS.HTM
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| polonium |
Polonium is the most commonly found natural radio-nuclide. It occurs in the rocks and soils of the North.
출처: www.trentu.ca/nwhp/glossary.shtml
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| polonium |
A chemical element, Po, atomic number 84. It is used in photographic film to reduce the static charge.
출처: www.nuenergy.org/alt/glossary.htm
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