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углерод
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[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en] |
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carbon
A nonmetallic element existing in the three crystalline forms: graphite, diamond and buckminsterfullerene: occurring in carbon dioxide, coal, oil and all organic compounds. (Source: CED)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en] |
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