The unitpressure in backward extruding hollow billet has been calculated by the slip line method and the upper bound method.
本文对空心件反挤的单位挤压力,采用滑移线法和上限法进行了计算。
2
Gas transmission rate: the volume of gas which, under steady conditions, crosses unit area of the sample in unit time under unitpressure difference and at constant temperature.
译文:气体透过率:在一定的温度下,在单位时间内单位压力差下,稳定透过单位面积试样的气体体积。
3
The internationally recognized unit for measuring this pressure is the kilopascal.