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 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 sample's structure was confirmed by element analysis and infrared spectra.
方法：所得样品经元素分析、红外光谱证实其结构；
The depth analysis was shown by a sample of PA scan light absorption spectra.
叶片的光声光谱扫描显示了深度分析的精确性。
The depth analysis was shown by a sample of PA scan light absorption spectra.
叶片的光声光谱扫描显示了深度分析的精确性。
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