综述了影响制备色谱流型的各种因素，包括装柱技术、柱头设计、柱形、温度、样品粘度等。
The factors affecting flow profile were reviewed and commented, including the technique of packing column, the design of column head, the shape of columns, temperature and sample viscosity.
综述了影响制备色谱流型的各种因素，包括装柱技术、柱头设计、柱形、温度、样品粘度等。
The factors affecting flow profile were reviewed and commented including the technique of packing column the design of column head the shape of columns temperature and sample viscosity.
本文提出了一种简化的毛细管色谱“冷柱上进样”技术并对其性能进行了研究。
A simple sample injection technique which can he considered as a simplification of cold on-column injection has been proposed.
方法：溶剂提取及各种柱色谱法分离，光谱技术鉴定结构。
Method: The compounds were extracted with solvents, isolated by various column chromatography and identified by spectroscopic methods.
方法通过反复柱色谱分离和重结晶纯化，并利用核磁共振波谱技术进行结构鉴定。
Method the compounds were isolated by column chromatography and purified by recrystallization and the structures were identified by NMR spectral data and other methods.
方法利用正相、反相硅胶柱和大孔树脂柱色谱分离，并通过波谱技术进行结构鉴定。
Methods The compounds were isolated by silica gel, ODS, and macroporous resin column chromatography and their structures were determined by means of spectral analysis.
柱切换是指利用多通路切换阀改变进样阀与色谱柱、色谱柱与色谱柱、色谱柱与检测器之间的连接关系的技术。
The technique of column-switching could alter the connections between injection valve and column, column and column, column and detector.
简要介绍了纳米技术在高分子材料改性、色谱柱填料、催化剂载体和日用化工等领域中的应用；
The application of nanometer technologies in modification of polymeric materials, chromatographic packing catalyst carriers and daily chemical industry were briefly introduced.
目前，毛细管电色谱的研究主要集中在毛细管电色谱柱的制备技术和毛细管电色谱的应用两个方面。
At present, research works on CEC are mainly focused on both the preparation of columns and its application.
本文所提出的单柱离子色谱分离阴离子混合物的技术，不用抑制柱，树脂也无需再生。
This paper described a new technique in the analysis of inorganic anionsby single-column ion chromatography, in which neither suppressor column nor regeneration of the resins is necessary.
综合评述了毛细管电色谱柱的类型及制备技术的进展情况。
The types of the separation columns used in capillary electrochromatography and its fabricated progress in the past few years are introduced.
应用反吹技术可以在下一个样品进样之前，直接除去柱中的后洗脱化合物以防止其进入质谱仪，从而帮助我们保持气相色谱和离子源性能。
Applying backflushing helps maintain the GC and the MS source by removing later eluting compounds from the column before reaching the MS, and prior to the next sample injection.
应用反吹技术可以在下一个样品进样之前，直接除去柱中的后洗脱化合物以防止其进入质谱仪，从而帮助我们保持气相色谱和离子源性能。
Applying backflushing helps maintain the GC and the MS source by removing later eluting compounds from the column before reaching the MS, and prior to the next sample injection.
应用推荐