《英文msh词典》Ion Level,Potassium
[入口词] Ion Level,Potassium
[主题词] Potassium
[英文释义] An element that is in the alkali group of metals. It has an atomic symbol K,atomic number 19,and atomic weight 39.10. It is the chief cation in the intracellular fluid of muscle and other cells. Potassium ion is a strong electrolyte and it plays a significant role in the regulation of fluid volume and maintenance of the water-electrolyte balance.