短語詞組短語proton nmr spectroscopy h 核磁共振Proton NMR spectrum 核磁;質(zhì)子核磁共振譜proton nmr spectroscopic analysis 質(zhì)子核磁共振Proton NMR spectrum Conforms 核磁共振Proton NMR spectra 核磁Proton NMR GC -EIMS 復(fù)雜碳水化合物譜圖庫(kù)single coil proton NMR technique 單線圈質(zhì)子核磁共振法high resolution proton NMR spectrometer 高分辨率質(zhì)子核磁共振波譜儀two coil proton NMR method 雙線圈質(zhì)子核磁共振法 返回 proton nmr