high-purity beryllium oxide

例句：

1. 1. The high-purity beryllium oxide is used in theproduction of semiconductors.
   高纯度氧化铍用于半导体的生产。
2. 2. This material has excellent thermalconductivity and can be used as aheat sink.
   这种材料具有优良的热传导性能，可以用作热沉。
3. 3. In recent years, there has been increasing interest in usinghigh-purity berylliumoxide as a catalystfor chemical reactions.
   近年来，人们越来越关注使用高纯度氧化铍作为化学反应的催化剂。