The results indicate that niobiumcompounds form during solidification, leading to the refinement of austenite grains. The mechanism of grain refinement has been investigated extensively.
铌化物是在凝固过程中形成，具有细化奥氏体晶粒的作用，并分析研究了铌细化高锰钢奥氏体晶粒的机制。
2
Niobic acid and compounds containing niobium are applied in a wide range of catalysis fields for their unique acidic property and thermal stability.
铌酸和含铌化合物独特酸性和热稳定性，广泛的应用催化领域中。
3
Compounds containing niobium can also be widely used in a variety of chemical reactions as assistant or photocatalysts.