"0.0972484"^^ . "0.0326461"^^ . "Nb"@en-us . "0.248802"^^ . . . "0.112538"^^ . "0.128735"^^ . . . . "114646942"^^ . . . . . "niobium"@en-us . "atomic number 41"@en-us . . . "0"^^ . "0"^^ . . . "14646942-n"^^ . "110494151"@en-us . . "0.260774"^^ . . . "niobium"^^ . "0.0941523"^^ . "a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium"@en-us . . "0.0251035"^^ . . . "113808510"@en-us . .