The program is utilized to calculate soil rocks dam free surface position variation and pore-water pressure distribution condition with time when the up water level position changed.
利用所编写的非稳定渗流计算程序，计算土石坝上游水位变化时自由面位置随时间的变化规律、孔隙水压力的分布情况。
The results show that the thickness and composition of the alloyed layer is related to an alloying temperature and time on the condition of a constant pressure and fixed cathode.
结果表明，在极间距与工作气压一定的条件下，渗层厚度及成分与温度和保温时间有关。
Under non-stationary filtration condition, firstly the study about the effect of particle concentration, filtration velocity and filtration time on pressure drop was taken.
含尘滤料过滤阶段，测试了入口粉尘浓度、过滤速度等对过滤压力损失的影响。
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