ウラン系けい列れつ

ウ

ラ

ン

け

い

れ

つ

Meanings

1

noun

uranium series

Technical term in nuclear physics and radiochemistry for the decay chain starting from uranium-238.

列file, row, rank

トリウム系けい列れつ
The thorium series is another natural radioactive decay chain, starting from thorium-232.
アクチニウム系けい列れつ
The actinium series begins with uranium-235 and is one of the three classical decay chains.

Compound of ウラン (uranium) and 系列 (series, sequence). A direct calque of the English term 'uranium series'.