gad·o·lin·i·um /ˌgædəˈlɪniəm/
金屬名
gad·o·lin·i·um /ˌgædḷˈɪnɪəm/ 名詞
釓
Gad·o·lin·i·um n. Chem. A rare earth metallic element of the Lanthanide series, with a characteristic spectrum, found associated with yttrium and other rare earth elements. Symbol, Gd; it has an atomic number of 64, an atomic weight of 157.25 (C=12.011), and a valence of +3.
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gadolinium
n : a ductile silvery-white ductile ferromagnetic trivalent
metallic element of the rare earth group [syn: Gd, atomic
number 64]
gadolinium
Symbol: Gd
Atomic number: 64
Atomic weight: 157.25
Soft silvery metallic element belonging to the lanthanoids. Seven natural,
stable isotopes are known in addition to eleven artificial isotopes.
Gd-155 and Gd-157 and the best neutron absorbers of all elements.
Gadolinium compounds are used in electronics. Discovered by J.C.G Marignac
in 1880.