filtration problem in dam 水坝渗流问题
We study in this paper the filtration problem in partially saturated layered porous media in one dimensional. That is the thid problem boundary value problem of on dimensional degenerate quasi-linear elliptic-parabolic equation with discontinuous coeffi-cients.
本文主要讨论一维有限双层多孔介质中部分饱和的渗流问题，即具有间断系数的一维拟线性椭圆-抛物退化方程的第三边值问题。
参考来源 - 层状多孔介质中渗流方程的第三边值问题·2,447,543篇论文数据，部分数据来源于NoteExpress
To aim at this problem, this paper has proposed a new filtration medium - ceramics filter.
本文是针对石英砂的这一缺陷提出了一种新型过滤介质——陶瓷滤料。
The problem of filtration difficulty was solved by using horizontal centrifugal separator.
由于采用卧式卸料离心分离机，解决了过滤困难的问题。
For the use of filtration control acid, this problem on acidizing fluid filtration is solved.
滤失控制酸的成功应用，有效地解决了长期困扰酸液滤失的问题。
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