扩散的

The concentration of D-phenylalanine in the external phase and the separation factorαcan be expressed as: The diffusion of boundary layer in outer aqueous phase is the controlled process while the concentration of D-phenylalanine in the external phase far less than the concentration of chiral carrier in the emulsion liquid membrane phase, then the diffusion coefficient k_e of boundary layer in outer aqueous phase can be achieved by data fitting.

外水相苯丙氨酸对映体的浓度以及分离因子α表示为：当外相对映体浓度远小于液膜相手性载体浓度时，该手性传质过程中外相边界层的扩散为控制步骤，利用数据拟合得到了外水相与液膜相界面边界层扩散的传质系数k_e。

The derived activation energies for both grain-boundary and surface diffusion are obtained from the Cu drift velocity under EM stressing.

对於线宽大於1微米时，主要的晶粒边界扩散的活化能大约比起表面和晶粒边界扩散的活化能高0.2 eV。

To protect environment and prevent the jeopardize of pollutant, working over hydraulic characteristic of pollutant diffusing is very content from the aspect of hydrodynamics and hydrokinetics.

为了保护环境，防止污染扩散的危害，因此，从流体力学和动力学方而着手研究污染物在河道中扩散的水力学特性是很有意义的。

After 100 h thermal exposure at 1050 ℃, the surface Al2O3 scales are continuous, dense, and only very little amounts of alloy elements diffused from the substrate is detected in the overlayer.

一步法制备能提高含扩散阻挡层多层体系的界面结合强度， DB在恒温和循环氧化过程中能保持很好的抑制元素扩散的能力。

Let me begin by saying that we remain disappointed in the continuing proliferant behavior of certain Chinese entities, and we remain deeply concerned about the Chinese government's commitment towards its nonproliferation obligations.

请允许我首先说明，我们仍然对某些中国实体继续从事扩散的行为表示失望，我们始终高度关注中国政府履行防扩散义务的问题。

This paper has studied the interface reomhbination characteristics of HIPdiffusion bonking of cemented carbide to metals including commercial pure iron,A3 car-bon steel,No .45 carbon steel and T10 carbon tool steel.

研究了硬质合金与工业纯铁、A3钢、45钢和T10碳素工具钢等金属热等静压扩散的界面复合特征，阐述了有害界面脆性相η－Fe＿3W＿3C的成因和控制方法，考察了各扩散连接接头的接合强度。

E . ratio of resin column to its diameter , flow rate of the diesel fuel samples on adsorption , and the effects of composition , flow rate of the eluant on desorption were studied . The suitable methods were also established about extraction , elution and regeneration in the resin column.

树脂吸附碱性氮吡啶的动力学和热力学研究表明：温度在288.15K～298.15K之间，树脂对吡啶的吸附过程动力学机理模型为缩核模型，吡啶溶液质量浓度为50mg/L时，主要受液膜扩散的控制，其有效扩散系数为K_f

The structure formed is FeNi〓and γ after diffusion. Owing to diffusion, the Ni distribution across the layer is gradient after heat-treatment at 600℃ for 1h.

扩散后形成了FeNi〓相以及γ相，镀层经600℃×1h的热处理后，由于扩散的影响，在镀层内部Ni含量呈现梯度分布。

Molecular dynamics simulation (NPT ensem2 ble) was used to obtain specific volume as a function of temperature....

随后进行分子动力学模拟得到小分子的运动轨迹，对小分子扩散的两种方式进行了讨论，探讨了侧链对扩散过程的影响。

Moreover, Lagrange trail method was used to get the powder diffusion contour at different time, then the whole process was described including powder particle jumpstarting, dispersing with the air and steady diffusing.

利用Lagrange迹点跟踪法，得出颗粒物从吹起到随气流运动直至稳定扩散的全过程中各时刻污染颗粒在大气中的扩散云图。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失