发明名称 ON-LINE 4-GRADE TEACHING METHOD USING ELECTRONIC TEACHING MATERIALS
摘要 The production of cerium oxides, zirconium oxides, (Ce, Zr)O2mixed oxides and (Ce, Zr)O2solid solutions having improved particle size distribution, surface area, oxygen storage capacity and pore volume by the addition of an additive, such as an anionic or nonionic surfactant, during the formation of the or oxides or precursors thereof.
申请公布号 KR20010106020(A) 申请公布日期 2001.11.29
申请号 KR20000027267 申请日期 2000.05.20
申请人 MYFRIENDNET. CO., LTD. 发明人 KIM, GI DAE
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