It was identified by IR and mass spectra.
并由红外光谱和质谱确证了它的结构。
The compound was identified by IR and melting point test.
该化合物经ir与熔点测定来确定。
The structure of CWPE and its relation to the property were studied by IR.
并通过红外光谱的研究阐述了CWPE结构与性能的关系。
And the structures are consistent with the original design by IR analysis.
并对它们进行了红外谱图的验证，结构和最初设计结构一致。
The structure of target compound was confirmed by IR and elementary analysis.
产物经IR及元素分析表征了结构。
The physical property and the structure of product were characterized by IR and elementary analysis.
利用红外光谱分析、元素分析，对产品进行了物性及结构表征。
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。
The structure of the product was characterized by the IR.
并用红外光谱对产品结构进行初步表征。
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。
The target product was identified by melting point, elemental analysis and IR.
目标产品经熔点测定、元素分析和红外光谱表征。
The target product was identified by melting point, elemental analysis and IR.
目标产品经熔点测定、元素分析和红外光谱表征。
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