English Dictionary

potassium-39

noun

(physics) The major stable isotope of potassium, ³⁹₁₉K, having nineteen protons and twenty neutrons; it amounts to over 93% of the element in nature

Potassium-39 is commonly used in scientific research.

意味（1）

(physics) The major stable isotope of potassium, ³⁹₁₉K, having nineteen protons and twenty neutrons; it amounts to over 93% of the element in nature