| 摘要 |
The present invention relates to a molten product comprising: the element lanthanum (La), an element (Ln) selected from the group consisting of praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu), yttrium (Y), and mixtures thereof, the element cerium (Ce), an element Qa selected from the group consisting of calcium (Ca), strontium (Sr), barium (Ba) and mixtures thereof, the element manganese (Mn), an element Qb selected from the group consisting of magnesium (Mg), nickel (Ni), chromium (Cr), aluminum (Al), iron (Fe), cobalt (Co), titanium (Ti), tin (Sn), tantalum (Ta), indium (In), niobium (Nb) and mixtures thereof, the element oxygen (O). |
