1·The occurrence of SBR cyclization was confirmed by the primary analysis of ir and 1 H-NMR spectra.
通过对红外光谱、1 H - nmr谱的初步解析，证实了环化反应的发生。
2·And the synthesis products were analyzed by measuring melting piont, IR etc.
并对合成产物的熔点、红外光谱等进行了分析、鉴定。
3·Their ir and NMR spectra were measured.
测定了它们的红外光谱和核磁共振波谱。
4·A new supramolecular compound has been synthesized under hydrothermal conditions and characterized by element analysis, IR, TG analysis and single-crystal X-ray diffraction.
在水热条件下合成了一种新型超分子化合物，通过元素分析、红外光谱、热重分析和X射线单晶衍射方法确定了其晶体结构。
5·The structural groups of carbonized products of phenolic aldehyde resin and polystyrene cation exchange resin treated at different temperatures are tested and analyzed with IR method.
用红外光谱法对不同温度下处理的酚醛和聚苯乙烯阳离子交换树脂碳化产物的结构基团进行了测试分析。