Adding rare earth oxide CeO2 with variable valences to La2O3 formed a mixture of rare earth oxides. By means of dipping CeO2, La2O3 and their mixture, whose car
The selenium-enriched soybean sprouts were prepared by adding selenium and rare earth La3+ into the cultivation solutions. The effect of rare earth La3+ on the
Ba2ZnxCo2-xFe12O22 hexaferrites with x=0.0, 0.4, 0.8, 1.2, 1.6 and 2.0 were prepared by citrate sol-gel process. The complex dielectric constant and complex per