きどるいげんそ
希土類元素
1. rare-earth element; rare-earth metalChemistry
2. Rare earth elementAs defined by IUPAC, rare earth elements ("REEs") or rare earth metals are a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides plus scandium and yttrium. Scandium and yttrium are considered rare earth elements since they tend to occur in the same ore deposits as the lanthanides and exhibit similar chemical properties.
Read “Rare earth element” on English Wikipedia
Read “希土類元素” on Japanese Wikipedia
Read “Rare earth element” on DBpedia
Read “Rare earth element” on English Wikipedia
Read “希土類元素” on Japanese Wikipedia
Read “Rare earth element” on DBpedia
稀土類元素 【きどるいげんそ】
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