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1·The IR spectra of hydrogel, alcogel and aerogel of BaFe12O19 were studied.

对钡铁氧体的水凝胶、醇凝胶以及气凝胶的红外光谱进行了研究。

2·The polymer structure is analyzed by IR spectra.

用红外光谱分析了聚合物结构。

3·The product was characterized by melt point and IR spectra analysis.

经熔点测定和红外光谱分析，确证产品是苯酚。

4·The FT-IR spectra of the product confirmed the occurence of grafting.

通过FT-IR对接枝产物进行了表征，证实了接枝反应的发生。

5·In addition, the IR spectra of the fluorescent films were also observed.

此外，还对荧光膜的红外光谱进行了观察。

6·The IR spectra are calculated, and will be useful in future experiments.

计算得到的红外光谱将对以后的实验研究工作提供理论基础。

7·The IR spectra indicate that poly 2 aminopyridine has head to tail structure.

由红外光谱可知，聚- 2 -氨基吡啶具有头-尾相接的结构。

8·The nitrogen containing films are also studied by using XPS spectra and IR spectra.

对所制备的掺氮非晶碳薄膜用光电子能谱和红外光谱进行了表征。

9·The product was identified by melting point, chemical element analysis and IR spectra analysis.

采用熔点测定、元素分析、IR验证了产品的结构。

10·It can be seen in the IR spectra, that each kind of Ginseng has its own finger print characteristics.

结果表明：人参的真伪品都具有较明显的“指纹”特征。