イリジウム
1. iridium (Ir)
2. IridiumIridium is the chemical element with atomic number 77, and is represented by the symbol Ir. A very hard, brittle, silvery-white transition metal of the platinum family, iridium is the second-densest element and is the most corrosion-resistant metal, even at temperatures as high as 2000 °C. Although only certain molten salts and halogens are corrosive to solid iridium, finely divided iridium dust is much more reactive and can be flammable.
Read “Iridium” on English Wikipedia
Read “イリジウム” on Japanese Wikipedia
Read “Iridium” on DBpedia
Read “Iridium” on English Wikipedia
Read “イリジウム” on Japanese Wikipedia
Read “Iridium” on DBpedia
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