Infrared spectra(IR),mass spectrometry(MS),HPLC,thin layer chromatography(TLC),elementanalysis,visible absorption spectra and the diazo reaction method were used for the identification ofstructure and its character as well as the purity of the product.是什么意思_Infrared spectra(IR),mass spectrometry(MS),HPLC,thin layer chromatography(TLC),elementanalysis,visible absorption spectra and the diazo reaction method were used for the identification ofstructure and its character as well as the purity of the product.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句