《英文msh词典》Hydrogen Ions
[同义词] Hydrogen Ions
[主题词] Protons
[中文释义] 氢离子
[英文释义] Stable elementary particles having the smallest known positive charge,found in the nuclei of all elements. The proton mass is less than that of a neutron. A proton is the nucleus of the light hydrogen atom,i.e.,the hydrogen ion.