The compound’s structure was characterized by elementary analysis, MS spectrometry.
用元素分析、MS谱图表征了该化合物的结构。
参考来源 - 紫外吸收剂UVThe structures of the compounds(1～14)were confirmed by IR , ~1H-NMRspectrum and elementary analysis.
新化合物(1～14)的结构经红外光谱、核磁共振氢谱及元素分析所确证。
参考来源 - 4·2,447,543篇论文数据，部分数据来源于NoteExpress
The product was characterized by elementary analysis and IR.
经元素分析、红外光谱对该产品进行了表征。
The structures were characterized by elementary analysis, IR and 1hnmr.
它们的结构经元素分析、IR和1hnmr表征。
The structure and composition of the copolymer were characterized by IR, NMR and elementary analysis.
用红外光谱、核磁共振、元素分析测定了共聚物的结构及组成。
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