Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/83a90ec348a710ba40cbf2c50ce9653d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 holmium oxide例句_holmium oxide英汉例句_holmium oxide双解例句_食材铺反向词典
This paper studies the method of determining 14 rare-earth impurities in high-purity holmium oxide by ICP-MS. 本文研究了用电感耦合等离子体质谱法（ICP-MS）测定高纯氧化钬中14个稀土杂质的方法。