silicon-30
A district and town in Andhra Pradesh, India. / A surname.
simple past tense and past participle of jeopardise
present participle of asphyxiate
(physics) A minor stable isotope of silicon, ³⁰₁₄Si, having fourteen protons and sixteen neutrons; it amounts to 3% of the element in nature
研究者たちは太陽系の形成を調べるため、隕石試料中のケイ素30同位体の存在割合を測定した。
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