silica gel [英][?silik? d?el][美][?s?l?k? d??l] n.硅胶; 例句: 1. silica gel-is silicon dioxide ( sio2), an amorphous form of silica. 硅胶-是二氧化硅(sico2)一种无固定形式的硅。 2. the methods such as distn. and silica gel column chromatography were used to sep. thevarious components of the thickener, and the ir spectrometry, gc-ms combination and esi-ms were used to certify the structures of the different components. 用蒸馏和矽胶柱色谱等方法对增稠剂中的各组分进行分离,并用红外光谱法、气质联用和电喷雾质谱法对各组分进行结构鉴定一般来讲就是普通的C18液相色谱柱,但进一步,也有可能是其他类型的C18色谱柱。