研究了坯料尺寸对等径角挤压材料等效应变及单位挤压力的影响。
The effect of billet size on the effective strain and unit extrusion pressure was investigated during equal channel angular pressing.
提出了一种轴向极化压电圆环和圆片的径厚二维耦合等效电路模型。
A 2-d equivalent circuit models of the longitudinally polarized annulus and circular piezoelectric disk are established, which is coupled in the thickness and radial direction.
文中介绍了灯管等效电阻的概念及进行变压器匹配灯管管径、长度的设计选取。
The lengths of the light tube that the transformer can drive are dependent on the tube diameters.
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