延长陈化时间，硅胶整体柱的硬度随之增大。
The hardness of the silica column increased with the increase of aging time.
这一结果表明硅胶整体柱表面的位点识别能力很强。
The result indicates that enough recognition sites were on the surface of silica monolith, resulting in strong recognition ability.
研究了用硅胶整体柱和直接电导检测的离子对色谱快速分析高氯酸盐的方法。
Fast analysis of perchlorate was carried out by ion-pair chromatography using a silica-based monolithic column and direct conductivity detection.
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