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从阻抑氧化铝的相变、表面化合物的生成和延缓氧化铝的烧结三个方面探讨了氧化铝掺杂镧后改善热稳定性的机理。
The mechanism of improving the thermal stability after alumina doping with lanthanum is discussed from the aspects of suppressing phase transformation of alumina, generating surface compounds and delaying the sintering of alumina.