Actinide elements
type: Concept
created: 2008-12-18
modified: 2009-01-19
alternative label: Actinoid elements
alternative label: Aktinīdi @lv
broader: Radioactive substances
broader: Heavy metals
in scheme: subject
narrower: Actinium
narrower: Uranium
narrower: Transuranium elements
note: Source: Latvijas padomju enciklopēdija, 1981:
preferred label: Aktinoīdi @lv

Radioactive substances
type: Concept
narrower: Actinide elements
preferred label: Radioaktīvās vielas @lv

Heavy metals
type: Concept
narrower: Actinide elements
preferred label: Smagie metāli @lv

Actinium
type: Concept
broader: Actinide elements
preferred label: Aktīnijs @lv

Uranium
type: Concept
broader: Actinide elements
preferred label: Urāns @lv

Transuranium elements
type: Concept
broader: Actinide elements
preferred label: Transurāna elementi @lv