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北京石油化工学院2026年研究生招生接收调剂公告
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[求助] La2O3透射红外光谱谱峰的归属

近期,有一篇文章返回修改意见
体系是La2O3掺杂量对TiO2-Al2O3-La2O3体系的影响,发现谱图TiO2-Al2O3-La2O3(0-10wt%)大致相同,只出现La2O3的两个特征峰,未出现全部,但审稿人原话是:
The results shown in Figure 2 (FTIR analyses) are not properly presented and discussed. Authors do not present the band assignment. Which groups generates the signals shown in the spectrum of pure lanthanum?  The signals that appears at approximately 1380, 1480, 1530 cm-1 are observed in the case of the pure lanthanum, but are not displayed by any other support.  Why??

不知道如何回答,望帮忙。

La2O3红外谱图
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