The gas producing speed of super lower permeability Anthracite seams is mainly confined by gas flow in the fractures.
指出低渗透无烟煤煤层气产气速率主要受裂隙中气体流动的限制。
In order to explore the effect of ambient pressure on jet flow field in deep well and ultra-deep well, a physical model for flow field of confined water jet at bottom hole was established.
考虑到深井、超深井中井底围压对射流流场有一定的影响,建立了井底受限射流流场的物理模型。
The numerical simulation for the three dimensional turbulent flow field of multiply jets mixing with a confined crossflow in cylindrical duct is presented in this paper.
对多股射流与圆柱管中的横流湍流混合的三维流场进行了数值模拟。
It tends to be a one-way flow of communication From the faculty to the students. It highly confined Students have limited opportunities to ask questions.
那是从教授到学生,单向的信息流动,这种模式限制了学生提问的机会。
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