titanium-49
短语释义与例句
n.
-
1.
A minor stable isotope of titanium, 4922Ti, having twenty-two protons and twenty-seven neutrons; it amounts to about 5% of the element in nature
不可数 物理
A minor stable isotope of titanium, 4922Ti, having twenty-two protons and twenty-seven neutrons; it amounts to about 5% of the element in nature