europium
type: Concept
alternative label: Eu
broader: rare earth metal
preferred label: اروپیم @fa
related: europium compounds
related: europium alloy
scope note: see also nucleus with ......

rare earth metal
type: Concept
narrower: europium
preferred label: فلز خاک کمیاب @fa

europium compounds
type: Concept
preferred label: ترکیبات اروپیم @fa
related: europium

europium alloy
type: Concept
preferred label: آلیاژ اروپیم @fa
related: europium