Last Updated：2025/11/21
Sentence
質量分析計は実験中、他の同位体から主要な安定同位体であるカリウム39をはっきりと識別した。
Quizzes for review
The mass spectrometer clearly distinguished potassium-39 from other isotopes during the experiment.
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The mass spectrometer clearly distinguished potassium-39 from other isotopes during the experiment.
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