求算了巷道风温恒定时岩体壁面温度、岩体与空气的非稳态热交换系数和围岩调热圈厚度。
The temperature of tunnel wall, coefficient of unsteady heat exchange and thickness of heat-adjusting layer at constant air temperature in a tunnel are calculated.
结论各椎间隙与上位椎体间的比值较恒定。
Conclusions The ratio of lumbar intervertebral height to vertebral body height was constant in every segment.
在有恒定外电、磁场的情况下，采用微观相空间密度方法导出了均匀等离子体的动力学方程。
A kinetic equation for uniform plasma in the presence of both constant electric and magnetic fields was obtained by the method of micro-density in the phase space.
应用推荐