chromatographyn.层析法；色谱法chromatography retenton index色谱保留指数chromatography retention index色谱保留指数chromatography Polysaccharides多糖chromatography in aqueous media水介质色谱法chromatographymass spectrography色谱分析质谱测定法chromatography leakage detection检漏chromatography infrared analyzer色谱法红外分析仪chromatography at normal pressure常压层析chromatography-mass spectrometry色谱-质谱chromatography in centrifugal field[化] 离心色谱法