Last Updated
:2025/11/21
uranium-235
Noun
uncountable
Japanese Meaning
ウラン‐235:物理学における核分裂性同位体で、エネルギー生成や原子兵器に使用される。143個の中性子を含み、半減期は7.038×10⁸年で、トリウム‐231へ、最終的には鉛へと崩壊する。
Quizzes for review
(physics) A fissile isotope of uranium, used for energy generation and in atomic weapons, containing one hundred and forty-three neutrons. It has a half-life of 7·038×10⁸ years; it decays into thorium-231 and ultimately lead.
音声機能が動作しない場合はこちらをご確認ください
See correct answer
uranium-235
Researchers analyzed the neutron absorption cross-section of uranium-235 to improve reactor-safety models.
See correct answer
Researchers analyzed the neutron absorption cross-section of uranium-235 to improve reactor-safety models.
音声機能が動作しない場合はこちらをご確認ください
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1