Pb-204
type: Concept
preferred label: سرب 204 @fa
related: Pb-207/Pb-204

Pb-207
type: Concept
preferred label: سرب 207 @fa
related: Pb-207/Pb-204

Pb-207/Pb-204
type: Concept
broader: radioactive isotope
broader: stable isotope
broader: lead
preferred label: نسبت سرب 207 به سرب 204 @fa
related: isotope ratio
related: Pb-207
related: Pb-204

lead
type: Concept
narrower: Pb-207/Pb-204
preferred label: سرب @fa

isotope ratio
type: Concept
preferred label: نسبت‌ایزوتوپی @fa
related: Pb-207/Pb-204

stable isotope
type: Concept
narrower: Pb-207/Pb-204
preferred label: ایزوتوپ پایدار @fa

radioactive isotope
type: Concept
narrower: Pb-207/Pb-204
preferred label: ایزوتوپ پرتوزا @fa