Dysprosium, lub caij 66 ntawm lub sij hawm Jia Yi ntawm Han Dynasty tau sau nyob rau hauv "Rau Kaum Qhov Kev Txhaum Cai ntawm Qin" tias "peb yuav tsum sau tag nrho cov tub rog los ntawm lub ntiaj teb, sau lawv hauv Xianyang, thiab muag lawv". Ntawm no, 'dysprosium' yog hais txog qhov kawg ntawm tus xub. Nyob rau hauv 1842, tom qab Mossander cais ib tug ...
Nyeem ntxiv