niobium-bearing slag

例句：

1. 1. The steelmaking process requires the use of niobium-bearing slag to remove impurities from molten iron.
   炼钢过程需要使用含铌熔渣来去除铁液中的杂质。
2. 2. The researchers found that the niobium-bearing slag could be used as a source of nitrogen infertilizer production.
   研究人员发现，含铌熔渣可以作为肥料生产的氮源。
3. 3.Due to its high melting point and good thermal stability, niobium-bearing slag is widely used in the production of high-temperature ceramics.
   由于其高熔点和良好的热稳定性，含铌熔渣在生产高温陶瓷方面得到了广泛应用。