The oil film trajectory oscillates back and forth with the ebb and flood current, and its thickness decreases and area increases during the drift process with oscillation due to the diffusion. 油膜轨迹随落潮流和涨潮流来回振荡,因扩散作用,在往复漂移过程中厚度变小,面积增大。
The Microsegregation Mathematical Model for Binary Alloy Based on Coarsening and Back-diffusion 基于枝晶粗化和反向扩散的二元合金微观偏析数学模型
At the same time electro-osmotic drag, back diffusion, hydraulic permeation and net water transport coefficients and water content in the membrane increased rapidly, while proton transport resistance decreased, which improved the performance of PEM fuel cells. 增大电池的操作压力,电渗拉力系数、反扩散系数、水力渗透系数、水净迁移系数和质子膜的含水量增加,而质子传递阻力下降,使燃料电池的性能得到了提高。
The conversion efficiency of 14% is possible if the Al back surface field and the diffusion process are improved. 若进一步改善铝背场及扩散工艺条件,有望达到14%的效率。
The main results are summarized as follows: First, we employed a fast, efficient numerical algorithm which switches back and forth between real and Fourier spaces to simulate distant dipolar field ( DDF) and diffusion effects for heterogeneous three-dimensional structures. 本文的主要内容如下:一、利用快速、高效的数值算法成功模拟了三维结构样品的iMQC成像信号,该算法通过傅立叶变换能在k空间中处理远程偶极场和扩散等效应。
The main kinetic effects that can influence microsegregation were accounted for in the modeling including secondary arm coarsening, solid-state back diffusion, primary tip undercooling and variable diffusion coefficients according to temperature. 在显微偏析模型中考虑了树枝晶粗化、固相溶质逆扩散、枝晶尖端过冷、随温度变化的溶质扩散系数等影响显微偏析形成的动力学因素。
The liquidus and solidus in the mushy zone was calculated based on back diffusion and a database for multi-component steel with the thermal-physical parameters depended on composition, temperature and solid fraction. 该模型根据糊状区溶质传输和反扩散理论,基于变热物性参数,采用钢中多组元成分的百分含量计算液、固相线温度。
On the Consistence Criteria between Back Flow and Diffusion Models for Two Phase Axial Dispersion 多级返流模型与扩散模型的一致性准则
Results from the model show that at high current densities back diffusion of water from the cathode side of the membrane is insufficient to keep the membrane hydrated. 模型研究表明,在高电流密度下从膜阴极侧扩散回的水不足以使膜湿润。
Conclusion: The phospholipids form the constructure with or without binding the other component such as mucin, and resist the back diffusion of H+ from gastric lumina, ie the gastric mucous barrier. 结论:磷脂在胃粘液层中与粘蛋白等其他成分一起或单独形成结构,阻碍胃腔内H+逆弥散,构成胃粘液屏障作用。
ZnTe/ ZnTe: Cu or Cd1-xZnxTe/ ZnTe: Cu back contacted cells can reduce the heterogeneous interface state density and modify the structure of energy band of the solar cells. Furthermore, diffusion of Cu can avoid by this compound films in CdTe solar cells. 分别用ZnTe/ZnTe:Cu和Cd1-xZnxTe/ZnTe:Cu复合膜作为背接触层,既能修饰异质结界面,改善电池的能带结构,又能防止Cu原子向电池内部扩散。
Studying of Helium mass-spectrometer leak detector with back diffusion 逆扩散型氦质谱检漏仪的研究
Determination of back stream of pump fluid of vacuum oil diffusion pump as well as equipment with oil diffusion pump by infrared spectrum 真空油扩散泵及其设备泵液返流率红外光谱测定法
From the viewpoint of arbitrage opportunity, because the market stability mechanism blocks the further process of the trade, holding back the diffusion of the information in the market, some special arbitrage opportunities can exist in the market. 从市场套利的机会看,由于市场稳定机制阻碍了交易的进一步进行,导致信息难以继续在市场中扩散,因此市场存在少量的套利机会。