半減期 |放射能 |物理学 |布施学校
This Element Has A Half-Life Longer Than Universe’s Age
Radioactive Half Life Comparison
Radioactive Isotopes / Half-life
Why Does Everything Decay Into Lead
放射能とは何か、それは常に有害なのか: 本当に簡単な言葉で説明
FRANCIUM 😱 World's Most Expensive Element! #facts #askiitians
Purdue PHYS 342 L15.6: Nuclear Structure and Decay: Mathematics of Radioactive Decay
GCSE 放射線試験の問題のウォークスルー
Zooming into a water 💧
A radio-isotope has a half- life of 5 years. The fraction of the atoms of this material that woul...
半減期の化学問題 - 核放射性崩壊計算の実践例
放射能: 崩壊連鎖とは何ですか
Isotopes of lead
ALEKS: Understanding radioactive half life
A radioactive isotope is being produced at a constant rate X. Half-life of the radioactive substa...
Half Life (Topic 7.2 and 12.2)
8.2 Half-life
窒素の同位体とは何ですか?、窒素の同位体について説明する、窒素の同位体を定義する
Intro to Nuclear Stuff (2) Activity, Half-Life, and Decay Chains