高强度钢（100，000防扩散的最低收益率）活塞杆有一个理由，打磨，表面镀铬。
The high strength steel (100,000 psi minimum yield) piston rod has a ground, polished, and chrome plated surface.
磷扩散层还充当用于提升电压的后表面场以及具有低电阻率的后接触部。
The phosphorus-diffused layer also serves as a back surface field to raise the voltage and a back contact with low resistivity.
给出了利用渐近解公式，由模有效折射率的测量值确定波导表面折射率和扩散深度的方法。
A method is given for determining the parameters of a diffused waveguide from the observable values of mode efficient index by using the asymptotic solution equations.
分析了比表面积、平均孔径、孔隙率等孔隙特性参数对扩散的影响，获得了分形多孔介质中气体扩散系数与平均孔径的函数关系。
The effect of pore characteristics on gas diffusion was analyzed. The relationships between the specific area, average pore diameter and porosity with the diffusion coefficient were obtained.
分析了比表面积、平均孔径、孔隙率等孔隙特性参数对扩散的影响，获得了分形多孔介质中气体扩散系数与平均孔径的函数关系。
The effect of pore characteristics on gas diffusion was analyzed. The relationships between the specific area, average pore diameter and porosity with the diffusion coefficient were obtained.
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