Nernst glower
type: Concept
preferred label: افروزه نرنست @fa
related: yttrium oxide

yttrium oxide
type: Concept
broader: chemical compounds
broader: ionic solides
preferred label: ایتریم اکسید @fa
related: Nernst glower

ionic solides
type: Concept
narrower: yttrium oxide
preferred label: جامدات یونی @fa

chemical compounds
type: Concept
narrower: yttrium oxide
preferred label: ترکیبات شیمیایی @fa