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.
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 aerodynamic shape design of train head should consider all kinds of factors because the relation between reducing aerodynamic drag and air pressure pulse may be conflictive and uniform.
减小列车空气阻力和降低列车交会压力波，既矛盾又统一，列车气动头部外形设计需要综合考虑各种因素。
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