iron-54
短语释义与例句
n.
-
1.
A minor stable isotope of iron, 5426Fe, having 26 protons and 28 neutrons; it amounts to about 6% of the element in nature
不可数 物理
A minor stable isotope of iron, 5426Fe, having 26 protons and 28 neutrons; it amounts to about 6% of the element in nature