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。
The team then applied fiber tracking to construct a 3-D visualization of the brain's white matter tracts based on the diffusion tensor images.
这个研究小组应用光纤跟踪技术，通过扩散量成像构建一个大脑白质的三维立体图。
Then the existence and uniqueness of weak solutions for a BSCB System with nonlinear diffusion term are established on 2-d bounded domains.
其次我们得到一类带有非线性扩散项的MBSC B方程组在二维有界区域上弱解的存在唯一性。
Then the environmental policy will directlyinfluence the decision-making in R&D. Endogenous technology in R&D will beexogenous variables in diffusion.
这样以来扩散阶段的环境政策会直接影响到研发阶段的企业决策，在研发阶段作为内生的技术在扩散阶段成为外生技术变量。
WU m F. Study on diffusion welding with low temperature of al alloy and stainless steel and diffusion behavior of main elements [d]. Zhenjiang: Jiangsu University, 2011.
[5]吴铭方。铝合金与不锈钢低温扩散焊及界面主组元扩散行为研究。[d]镇江：江苏大学，2011。
The diffusion coefficient is estimated by variational assimilation method for 1-d diffusion equations.
利用变分同化方法对一维扩散方程扩散系数进行了估计。
The topological evolution of coupled pore and grain growth during final stage sintering based on a 2-d continuum diffusion-interface field model is studied.
本文采用二维相场模型模拟固相陶瓷烧结后期，晶粒和气孔耦合生长演化过程。
The topological evolution of coupled pore and grain growth during final stage sintering based on a 2-d continuum diffusion-interface field model is studied.
本文采用二维相场模型模拟固相陶瓷烧结后期，晶粒和气孔耦合生长演化过程。
应用推荐