テクネチウム
1. technetium (Tc)
2. TechnetiumTechnetium is the chemical element with atomic number 43 and symbol Tc. It is the lowest atomic number element without any stable isotopes; every form of it is radioactive. Nearly all technetium is produced synthetically and only minute amounts are found in nature. Naturally occurring technetium occurs as a spontaneous fission product in uranium ore or by neutron capture in molybdenum ores.
Read “Technetium” on English Wikipedia
Read “テクネチウム” on Japanese Wikipedia
Read “Technetium” on DBpedia
Read “Technetium” on English Wikipedia
Read “テクネチウム” on Japanese Wikipedia
Read “Technetium” on DBpedia
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