It was proved that the modified PVA has ortho-nitrogen radicals by molecular structure analysis through infrared spectrum.
通过红外光谱分析了改性多元醇防塌剂的分子结构，证明阳离子化反应引入了正氮基团；
Also, the Raman spectroscopy analysis showed that the ancient and recent skin spectra were very similar, indicating that the molecular structure of the mummy s skin was largely unchanged.
同时，拉曼光谱分析显示古代皮肤与现代皮肤的光谱非常类似，这表明木乃伊皮肤的分子结构基本没有发生变化。
These results may provide valuable information and thinking on the drug molecular design and related enzymic structure analysis.
这些结果可能为药物分子设计和相关酶的结构分析提供了某些信息和思路。
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