1、 We found that it is connected between powders granularity of lanthanum chromites and synthetic time by SEM.
扫描电镜的观察发现高温合成的铬酸镧粉料性状受合成时间影响。
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2、 Yet another rare earth metal, lanthanum, is a major ingredient for hybrid car batteries.
而另一种稀土金属镧，则是混合动力车电池的主要原料。
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