A plastic membrane serves as selective diffusion barrier.
一层塑料薄膜起着选择性渗透屏障的作用。
We have prepared the diffusion barrier layers, pn junction and electrodes.
初步探索了阻挡层制备、扩散制结以及电极制备等相关工艺。
The present invention discloses a calorization metal member with diffusion barrier and its calorizing method.
本发明公开了一种具有扩散障的渗铝金属构件及渗铝方法。
In this paper, a metallic protective coating is investigated as a diffusion barrier on the second generation single crystal superalloy DD6.
针对第二代单晶高温合金dd6开展了一种具有阻扩散功能的金属防护涂层的探索性研究。
Some treatment parameters led to boron carbon coating above the boride layer which ACTS as a diffusion barrier and prevents a further growth of the boride layer.
一些处理参数会导致在硼化物层上形成硼-碳层，它将起着扩散垒的作用，阻止了硼化物进一步的生长。
A gated diode nonvolatile memory cell with a charge storage structure includes a diode structure with an additional gate terminal and a diffusion barrier structure between the diode nodes.
具有栅极的二极管非易失性存储单元，其具有电荷储存结构，包括具有额外栅极端的二极管结构、与位于二极管节点之间的扩散阻挡结构。
Drugs may cross a biologic barrier by passive diffusion, facilitated passive diffusion, active transport, or pinocytosis.
药物可通过被动扩散、易化被动扩散、主动转运或胞饮作用等方式穿越生物屏障。
The permeability (P), diffusion (D) and solubility (S) coefficients for polymers and coatings are key parameters that affect a polymer's barrier performance.
聚合物和涂层材料的渗透系数（P）、扩散系统（D）和溶解系数（S）是影响聚合物阻隔性能的关键参数。
We apply a Langevin model by imposing additive and multiplicative noises to study thermally activated diffusion over a fluctuating barrier in underdamped dynamics.
本文从一个由加性噪声和乘性噪声驱动的朗之万方程出发，研究了欠阻尼动力学系统涨落势垒作用下的扩散性质。
Cytotoxic edema and blood brain barrier breakdown may be seen as decreased diffusion and enhancement, respectively, in thalami, and these manifestations may less commonly extend to basal ganglia.
细胞毒性水肿和血脑屏障的破坏可能导致丘脑弥散受限及强化，这些很少见于基底节区。
The diffusion theory of vortex is also used in the model to set up the diffusion equation of gas, and the barrier caused by the variation of flow patterns inside the flow field is resolved.
在模型中引入涡扩散理论建立了扩散方程，解决了气液两相数值模拟中流型变化带来的复杂问题。
Diffusion coefficient of copper in barrier coating is a considerable parameter for evaluating barrier ability.
铜在防渗铜镀层中的扩散系统是评价镀层防渗铜能力的重要参数。
The dielectric barrier surface discharge process is simulated using Poisson's equation and drift-diffusion equation and the distribution history of electron, ion and electric field is gained.
采用泊松方程和漂移-扩散方程对介质阻隔面放电进行数值模拟，得到了电子、离子以及电场分布随时间的变化。
In a word, the thesis gives a detailed study of high temperature oxidation of thermal barrier coatings from thermodynamics, diffusion, oxidation kinetics and mechanochemistry activity.
总而言之，本文从热力学、扩散、氧化动力学和力学化学活度四个方面对热障涂层的高温氧化机理作了一个较为详细的论述。
Results show that the bearing life is closely connected with the composition and appearance of the nickel-barrier layer and diffusion of the elements.
结果表明，轴瓦的寿命与镍栅层的成分，形貌和元素的扩散有着密切的关系。
Abstract: We apply a Langevin model by imposing additive and multiplicative noises to study thermally activated diffusion over a fluctuating barrier in underdamped dynamics.
摘要：本文从一个由加性噪声和乘性噪声驱动的朗之万方程出发，研究了欠阻尼动力学系统涨落势垒作用下的扩散性质。
The boundary layer flow control using dielectric barrier surface discharge plasma is simulated using Poisson's equation, drift-diffusion model and N-S equations.
使用泊松方程、漂移扩散模型和N—S方程对介质阻隔面放电等离子体控制边界层流动进行了一体化数值模拟。
The boundary layer flow control using dielectric barrier surface discharge plasma is simulated using Poisson's equation, drift-diffusion model and N-S equations.
使用泊松方程、漂移扩散模型和N—S方程对介质阻隔面放电等离子体控制边界层流动进行了一体化数值模拟。
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