锕(錒)ā{化} (放射性金属元素) actinium (Ac) ◆锕后元素 transactinium element; 锕化合物 actinium compound; 锕络合物 actinium complex; 锕射气 actinon;acton (An); 锕衰变系 actinium decay series; 锕同位素 actinium isotope; 锕系 (锕系元素) actinium series;actinide (series); 锕铀 actinouran(ium) (AcU;U235);锕族 actinium family |