The determination of material structure, performance parameters and membrane resistance, membrane diffusion coefficient of the F4112 ion exchange membrane were introduced.
介绍了F4112离子交换膜的材料结构、性能参数及膜电阻、膜中扩散系数的测定方法。
Several of the focuses of CFD model in packed-bed reactors were studied, namely, the momentum exchange coefficient, the capillary pressure and the void fraction.
近年来填充床反应器CFD数学模型韵几个研究重点是动量交换系数、毛细管压力以及床层空隙率的非均匀分布性。
The method of exchange coefficient of cations involves a complex calculation procedure and fits to solve field problems.
阳离子交换系数方法计算过程复杂，适用于解决野外实际问题。
The equilibrium absorption studies indicate that the permselectivity of the anion exchange membrane is related not only to the component solubility, but mean diffusion coefficient as well.
三种抗衡离子膜的平衡吸收实验表明，该阴离子膜的选择渗透性不仅与醇水在膜中的溶解度有关，而且取决于平均扩散系数。
In this paper, we consider the influence of piping system of indoor heat exchanger on coefficient of heat exchange and loss pressure.
讨论了室内侧换热器管路系统对换热系数和压降的影响。
Finally, the relationship between the turbulent heat and momentum exchange coefficient and the diurnal variation of the Richardson number is discussed.
文中还对湍流热量交换系数、湍流动量交换系数与理查孙数的日变化关系进行了讨论。
In this paper, some characteristics of turbulent exchange in surface layer, the austausch coefficient, heat flux transfer, etc.
本文对于北京冬半年近地面层湍流的特性：湍流系数及湍流热通量等，用各种方法进行计算和比较。
The temperature of tunnel wall, coefficient of unsteady heat exchange and thickness of heat-adjusting layer at constant air temperature in a tunnel are calculated.
求算了巷道风温恒定时岩体壁面温度、岩体与空气的非稳态热交换系数和围岩调热圈厚度。
The results of numerical calculation show that the range of heat exchange coefficient to be taken between concrete and water is large, but its effect on thermal field is small.
数值计算结果表明，混凝土与水的热交换系数的取值范围较大，而对结构温度场的影响较小。
It was found that the rate of ion exchange depends on the migration of individual ions and that the particle diffusion coefficient changes with the fractional attainment of equilibrium.
个别离子的迁移率对交换速率有影响，粒子扩散系数随平衡分数而改变。
The result shows that the change of the exchange current and lithium-ion diffusion coefficient is different in the charge and discharge process.
结果表明：充电和放电时交换电流及扩散系数变化不同。
The temperature difference of welding zone can be decreased with small dipping angle, high dipping speed and low heat exchange coefficient of dipping Zn liquid.
降低浸镀锌液的换热系数，采用小角度快速浸入可以降低焊缝区域温差。
At the same time, the average heat exchange coefficient and the pressure loss of the cold plate have been tested.
同时对冷板的散热性能进行了测试，得到了冷板的平均换热系数和压力损失。
The experimental correlative formula for calculating the average heat exchange coefficient of the bundles was given.
给出了计算管束平均换热系数的实验关联式。
Part of reasons on in the base period choice, see the following formula: After the comparison, one of both differences then was a latter formula many base period exchange rate coefficient.
一部分原因就在基期的选择，见如下公式：经比较，两者的差别之一便是后一公式多了一个基期汇率的系数。
Part of reasons on in the base period choice, see the following formula: After the comparison, one of both differences then was a latter formula many base period exchange rate coefficient.
一部分原因就在基期的选择，见如下公式：经比较，两者的差别之一便是后一公式多了一个基期汇率的系数。
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