4.A stable, corrosion-resistant zirconium alloy
5.A TETRAGONAL ZIRCONIA POLYCRYSTAL CONTAINING ln_2O_3
7.Separation techniques and application of Zr and Hf
8.Application of element Zr in aluminum alloys
9.Fobbed off the zircon as a diamond.
10.A Zirconia Oxygen Analyzer Controlled by a Single Chip Microcomputer