| 申请日期 | 2026-03-10 | 申请号 | JP2013245662 |
| 公开（公告）号 | JP2014129595A | 公开（公告）日 | 2014-07-10 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | HITACHI METALS LTD | ||
| 简介 | PROBLEM TO BE SOLVED : To provide a method to simply reduce a boron content of oxides of rare earth elements including boron. SOLUTION : Oxides of rare earth elements including boron are subjected to heat treatment with alkali metal carbonates and/or oxides. The heat treatment is preferably performed at 1150°C or more. COPYRIGHT : (C)2014, JPO&INPIT | ||
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