科学者が注目する理由
Radioactivity is part of the shared Mendeleev scientific core. This page is intentionally conservative until more native-language terminology is verified.
具体的な例
After three half-lives, an ideal radioactive population has one eighth of its initial undecayed nuclei remaining.
ここに注目
定義が測定できるものや観察できる現象と結び付くと、科学は記憶に残りやすくなります。