Based on experiments, the diffusion mechanism and influential factor of selective uranium separation and acids recovery with ion exchange diffusion dialysis membranes are introduced.
通过初步试验，探讨了用离子交换扩散渗析膜有选择性地回收酸分离铀的机理及影响因素。
Diffusion dialysis using anion exchange membrane has been successfully used in separating waste steel pickle liquor.
阴离子交换膜扩散渗析技术已被成功地应用于钢铁废酸的回收处理工程。
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。
During the formation of the chitosan membrane, there arises the diffusion and exchange of multiple substances, and the combination and decomposition of various ions.
在壳聚糖膜的制备成型过程中，会发生多种物质的扩散和交换，以及多种离子的结合与解离。
The boundary condition at bed surface of diffusion equation of nonuniform sediment is derived based on the concept of exchange intensity of stochastic theory by the author.
文中首先给出了由我们建立的床面泥沙交换理论导出的非均匀沙扩散方程的边界条件。
Oxygen diffusion in minerals and accompanied isotopic exchange inclosed systems are discussed with special application to geospeedometry.
概述了同位素封闭体系内的矿物氧扩散和同位素交换机制及其在地质速率计上的应用。
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。
The surface diffusion model were established to simulate the adsorption process of sisomicin on the exchange resin D113. The model was solved by orthogonal collocation method.
在动力学研究中，建立了西索米星在D113（皖）树脂上的吸附表面有效扩散模型，利用正交配置法求解动力学模型。
The results indicate that this ion exchange process is controlled by particle diffusion;
结果表明，该离子交换过程近似符合颗粒扩散控制；
A gas diffusion media for a fuel cell, such as a proton exchange membrane fuel cell, is provided.
提供用于燃料电池例如质子交换膜燃料电池的气体扩散介质。
Their thin walls contain numerous capillaries, supported by a mesh of elastic and collagenous fibres; gas exchange Between them occurs by diffusion.
肺泡壁薄，多毛细血管，由网状的弹性纤维和胶原纤维加以支撑，经由扩散交换气体。
The mechanism of particle diffusion control for ion exchange process was determined by indirect judgment method.
通过间接判断法，确定离子交换过程为颗粒扩散控制过程。
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 problem of pricing exchange options in a jump-diffusion model is considered.
考虑跳扩散模型中交换期权的定价问题。
Finally, we list some results of special cases of the pricing of exchange options in the pure birth jump-diffusion process.
文中最后列出一些特殊纯生跳跃扩散型交换期权的定价的例子。
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。
From the result of short time reaction, the diffusion mechanism for the exchange of AuSn and Au5Sn is the diffusion of Sn through Au5Sn.
且从短时间的结果显示，兩层交换位置的扩散机制是：在Au5Sn中，Sn是主要的扩散元素。
Exchange mechanisms are chiefly diffusion-control and surface-control.
交换机制主要为扩散控制和表面控制。
The variation of air-sea heat fluxes have important influence on heat exchange between ocean and atmosphere, and greatly affects the heat diffusion of cooling in local area.
海—气热通量的变化对海—气的热量交换具有重要的影响，能够很大程度上影响局部海域温排水扩散情况。
The waste acids performance in anion-exchange membrane and the application of diffusion dialysis in hydrometallurgy were introduced. The prospect of diffusion dialysis technology was also inducted.
介绍废酸在阴离子交换膜中扩散行为的研究进展及扩散渗析法在湿法冶金中的应用情况，并简要评述扩散渗析法在湿法冶金中的应用前景。
The exchange-adsorption rate is mainly controlled by liquid film diffusion;
吸附交换速率主要受液膜扩散控制；
The eigen-kinetics of hydrolysis of methyl acetate in cation-exchange resins was studied. The eigen-kinetics model in removing diffusion of catalyst-capsule was found.
以阳离子交换树脂为催化剂，对醋酸甲酯催化水解本征动力学进行研究，并建立了消除催化剂包内扩散的本征动力学模型。
This technique includes diffusion, iron-exchange, proton-exchange and iron-infusion.
例如扩散、离子交换、质子交换和离子注入等。
This technique includes diffusion, iron-exchange, proton-exchange and iron-infusion.
例如扩散、离子交换、质子交换和离子注入等。
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