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initial separation的中文,翻译,解释,例句

initial separation

initial separation的基本解释
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初选

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We take sech form ansatz and solve the CNLS equations through variational approach. We obtain the analytical expression of nonlinear coupling term, which is in the lagrangian of CNLS. We apply a potential well model to analyze the interaction properties of self-trapping beams in detail, the results show that the interaction do not change the profile of the beams, two beams keep oscillating around their collective center periodically. The amplitude and period of this oscillation are both determined by initial separation of two beams.

我们采用Sech函数为试探函数,用变分法求解CNLS方程,(1)给出了CNLS方程所对应的拉格朗日中的非线性耦合项的解析表达,(2)利用势阱模型详细分析两自陷光束之间相互作用的特性,结果表明,相互作用没有改变孤子的形态,它们分别在与传播方向垂直的方向上绕它们的公共中心做往复振动,振动幅度及周期都取决于两光束的初始分隔。

The effect of flow rates, initial concentrations, resin bed heights, its height/ diameter ratios and temperature on breakthrough curves of sulfuric acid/2-naphthalenesulphonic acid, 2-naphthalenesulphonic acid/sulfurous acid and sulfuric acid/ 2-naphthalenesulphonic acid/sulfurous acid systems was investigated. Excellent agreement was obtained between experimental data and the suggested breakthrough data model, with which the breakthrough curves can be accurately predicted for multi-component adsorptive separation in resin bed, the experiment of adsorptive separation may be scaled up, and the plant may be designed.

考察了流速,初始浓度,床层高度,床层高径比,温度等因素对硫酸-2-萘磺酸,2-萘磺酸-亚硫酸和硫酸-2-萘磺酸-亚硫酸等混合体系穿透曲线的影响,所建立的穿透曲线模型与实验结果拟合较好,模型可较准确预测多组分吸附分离的穿透曲线,可用于指导吸附分离实验的放大以及装置的设计。

On the basis of summarizing separation method of acetic acid-water system, we studied the azeotropic distillation process of acetic acid-water system, selecting butyl acetate, isobutyl acetate and isopropyl acetate as entrainers. The influence of packing height, ratio of water to entrainer and acetic acid initial concentration to separation effect of azeotropic distillation was studied in detail. Simulation calculations of general distillation and azeotropic distillation were carried out. The influence of reflux ratio, theoretical plate, feed position, feed temperature and feed concentration to distillation process were discussed. Preferred process operation parameter, which had guiding meaning to practical production of distillation process were obtained. Basic data for the process amplifying design of azeotropic distillation tower were provided. Invest and operation energy consumption of two distillation methods were compared. The elementary technical design of azeotropic distillation tower was carried out on the basis of result of simulation calculation. The type of major auxiliary equipments and inner parts of packed tower were selected.The research results are as follows:(1) Butyl acetate, isobutyl acetate and isopropyl acetate could be selected as entrainer, and separation effect was near.

本文在综述醋酸-水体系分离方法的基础上,以醋酸丁酯、醋酸异丁酯、醋酸异丙酯为挟带剂,对醋酸水溶液进行共沸精馏过程研究,详细研究了填料高度、水与挟带剂的配比、醋酸初始浓度等对共沸精馏分离效果的影响;对醋酸-水体系进行普通精馏和共沸精馏过程模拟计算,讨论了回流比、理论板、进料位置、进料温度和浓度对精馏过程的影响,获得了对醋酸-水体系精馏过程实际生产具有指导意义的较佳的工艺操作参数、共沸精馏塔的工艺设计放大的基础数据,并对两种精馏方法的投资、操作能耗进行了比较;同时在共沸精馏模拟计算的基础上进行了共沸精馏塔的初步工艺设计计算,并对填料塔的主要辅助设备及塔内件进行了初步选型。