Based on the study of the microscopic flow mechanism of liquid in packed column, a zone-stooge model is proposed, by which the efficiency of the column is simulated in the non-ideal flow state.
本文探讨了填料塔中液体微观流动机理，提出了多区多级模型，对填料塔在非理想流动状况下的塔效率进行了模拟。
Finally, a method for calculating the efficiency of practical packed column is given.
本文提供了一种计算真实填料塔效率的方法。
The determination of nitrate content in foods by deoxidization with cadmium is improved. The effecting factors on deoxidization efficiency of cadmium column are studied.
对镉还原测定食品中硝酸盐的方法进行了改进，研究了影响镉柱还原效率的因素。
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