Introduction to Rare Earth Elements

Hoʻokomo ʻia nā mea laʻa honualanthanum(La),cerium(Ce),praseodymium(Pr),neodymium(Nd), promethium (Pm),samarium(Sm),europium(Eu),gadolinium(Gd),hoʻopaʻapaʻa(Tb),dysprosium(Dy),holmium(Ho),erbium(Er),thulium(Tm),ytterbium(Yb),lutetium(Lu),scandium(Sc), ayttrium(Y). ʻO ka inoa PelekaneHonua Lakaʻikaʻi.Honua LakaʻikaʻiʻO nā metala maʻamau he palupalu, malleable, a me ka ductile, a hōʻike i ka hana ikaika loa e like me nā pauka i nā wela kiʻekiʻe. ʻO kēia pūʻulu o nā metala he hana kemika ikaika loa a loaʻa ka pilina ikaika no ka hydrogen, carbon, nitrogen, oxygen, sulfur, phosphorus, a me nā halogen. Ua maʻalahi oxidized i ka ea, a kaumahanā ʻāina laha ʻolehiki ke hana i kahi papa pale oxidation ma ka ʻili oscandiumayttriumma ka lumi wela. No laila,metala lepo laha olemālama ʻia i loko o ka ʻaila hinu a i ʻole i loko o nā pahu i hoʻopaʻa ʻia i hoʻopiha ʻia me ka ʻōpala a me ke kinoea argon.honua laha oleHiki ke hoʻokaʻawale ʻia nā mea i ʻelua mau ʻāpana: māmāhonua lahaa kaumahahonua laha, nui loa e noho nei ma ke ano onā ʻokikene honua laha ʻole. ʻO Kina, Rūsia, ʻAmelika Hui Pū ʻIa, Australia a me nā ʻāina ʻē aʻe i loaʻa nā waihona kiʻekiʻe loa ohonua lahah waiwai ma ka honua.honua laha oleua hoʻohana nui ʻia i nā kula e like me ka ʻaila, ka ʻenekinia kemika, metallurgy, textiles, aniani seramika, mau mea magnet mau, a me nā mea ʻē aʻe. waiwai metala makamae.


Ka manawa hoʻouna: Nov-03-2023