| http://www.w3.org/ns/prov#value | - Furthermore, the present invention is a method for producing superconducting stabilizer powders having Al matrix which comprises mechanically alloying mixed powders comprising high purity Al powders and at least one of Al2 O3, ZrO2, MgO, SiO2, TiO2, AlN, TiB2, ZrB2, BN, B4 C, ??-SiC, TiC and NbC high purity ceramic powders by a high energy ceramics ball mill to disperse at least one of said cerami
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