The mixing layer flow was numerically simulated by the discrete vortex method, in which the diffusion velocity method was adopted to model the viscosity.
对混合层流动进行了数值模拟。采用了离散涡方法。计算中采用扩散速度法处理粘性作用项。
The diffusion velocity of the interlayer is direct proportion to welding temperature, the composition of base metal is the key of the welding temperature choice.
中间层的扩散速度与焊接温度呈正比，母材的成分对焊接温度选择有重要影响。
The root cause of data remanence of SRAM is determined which is the decrease of excess-carrier recombination rate and carrier diffusion velocity at low temperature.
确定了低温下非平衡载流子复合率及扩散速度的降低，是导致SRAM断电后数据残留的主要原因。
The root cause of data remanence of SRAM is determined which is the decrease of excess-carrier recombination rate and carrier diffusion velocity at low temperature.
确定了低温下非平衡载流子复合率及扩散速度的降低，是导致SRAM断电后数据残留的主要原因。
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