TRANSITION element trisubstituted and Ln bi-（1:11）series heteropolyanion with Keggin struc-ture are excellent catalyst with oxidizing properties.But they have some shortcomingssuch as poor stability and impossible r...TRANSITION element trisubstituted and Ln bi-（1:11）series heteropolyanion with Keggin struc-ture are excellent catalyst with oxidizing properties.But they have some shortcomingssuch as poor stability and impossible recycle use when they are used in homogeneous oxidation.Anions（A<sup>n</sup>-）,among hydroxides（LDHS）-like layers,having a general formula[M<sub>1-x</sub><sup>2+</sup>M<sub>x</sub><sup>3+</sup>-展开更多
文摘TRANSITION element trisubstituted and Ln bi-（1:11）series heteropolyanion with Keggin struc-ture are excellent catalyst with oxidizing properties.But they have some shortcomingssuch as poor stability and impossible recycle use when they are used in homogeneous oxidation.Anions（A<sup>n</sup>-）,among hydroxides（LDHS）-like layers,having a general formula[M<sub>1-x</sub><sup>2+</sup>M<sub>x</sub><sup>3+</sup>-
