This paper studies a homogeneous reservoir pseudoplastic fluid and unstable flow.
本文研究了均质储层中拟塑性流体的不稳定渗流问题。
In the unstable flow the radial distribution of tracer gas concentration is asymmetry.
在不稳定的流动状态下，气体的径向浓度分布曲线两边出现不对称。
The results are in good agreement with those of the water tunnel flow visualization results, except the periodic and unstable flow.
除了不稳定流动区域，计算结果与流场显示结果符合良好。
The flow patterns are analyzed according to the receorded video pictures. The unstable flow in S-shape characteristic region is discussed.
由实验与图像处理结果获得了“S”特性区的真实流态，讨论了“S”特性区不稳定流动的原因。
It was found that the rheological behavior of UHMWPS is remarkably characterized by its unstable flow at low critical shear rate and ultrahigh melt viscosity.
结果表明，UHMWPS最显著的流变特征为超高的熔体粘度和低剪切速率下出现不稳定流动。
However, the unstable flow is usually considered as stable flow in the calculation of natural river water surface curve in order to minimize the calculation work.
但在天然河道水面线计算中，为了节省工作量把不恒定流视为恒定流。
If the traffic density increases much above that, the flow pattern begins to become unstable.
如果车辆密度大幅高于上述数字，则车流模式开始出现不稳定现象。
Unstable concentration field in the condition of unforced convection in the confined vacuum has been calculated by programming flow field and concentration field simultaneously.
在以上流场计算的基础上，耦合计算浓度场的子程序，计算了自然对流条件下受限空间内有污染源存在时的非稳态浓度场。
To investigate the roles of centrifugal instability on the linear growth rate of the flows, the azimuthal velocity of the basic flow is either centrifugally stable or unstable.
为了研究离心不稳定对线性增长率的影响，本研究中基本流的周向速度可以是离心稳定的，也可以是离心不稳定的。
When the motion of the basic state is the shear flow (or the differential rotation), this property means that the unstable waves would evolve automatically into the quasi-stationary stage.
当基态运动为剪切流(或较差旋转)时，这一性质将使不稳定波自动演化到准稳阶段。
Unstable coupled flow usually presents during the restarting process of a hot oil pipeline system as the physical properties of the hot oil vary with its temperature.
热油管道再启动过程是一种不稳定的变物性耦合流动。
Restart process of hot oil pipeline is kind of unstable coupled flow that physical property of oil varies with oil temperature.
热油管道再启动过程是一种不稳定的变物性耦合流动。
It's well known that question of unstable seepage flow in heterogeneous reservoir is an important and difficult task in the research of porous media percolation mechanics.
非均匀双重介质油气藏不稳定渗流问题是目前渗流力学研究的一个重要问题。
It's well known that the question of unstable seepage flow in heterogeneous reservoir is an important and difficult task in the research of porous media percolation mechanics.
非均质双重介质油气藏不稳定渗流问题是目前渗流力学研究的一个重要问题。
The models was established of the following components: wellbore flow model, unstable reservoir flow model, the fluid interface movement model, acid etching wormhole model and etc.
模型主要包括井筒流动模型、不稳定储层流动模型、液体界面移动模型和酸蚀蚓孔模型等。
Is there any method, which ascertain gas well productivity via unstable gas well test? At first, this thesis discusses the above problem on base of the practical open flow potential.
是否存在着通过不稳定的气井试井来确定气井产能的方法呢？本文首先在基于实际无阻流量(或称瞬时无阻流量)的概念的基础上，讨论了这个问题。
Another smart strategy: Lasater avoids unstable cash flow by working only with clients who pay her within 30 days.
拉赛特采取的另一精明策略是：她只与同意30天内付款的客户合作，以避免出现现金流不稳定的局面。
The second-order shear of the basic flow represents an instable factor for the symmetric disturbance, and drives the unstable mesoscale disturbance to travel in the meridional direction;
基流二次切变对于中尺度对称扰动来说是一个不稳定因子，并且驱动不稳定的中尺度对称扰动在南北方向传播；
The numerical calculation results show that the favorable pressure gradients have apparent laminar flow control property, and the unfavorable pressure gradients have a strong unstable influence.
数值计算结果表明，顺压梯度有明显的延缓转捩作用，逆压梯度有较强的不稳定作用。
The stability of the air. If the air is unstable, the air may flow over the top of the hill instead of round the side, meaning that it will come crashing down in an area of sink behind the hill.
稳定的空气，如果空气不稳定，气流会从山顶而不是侧面吹向山后并砸落地面，这时背风面存在强烈的下降乱流。
Landslide, debris flow, unstable slope (rockfall and landslide plasmodium) are the main types of geological hazards in Kangding county.
康定县地质灾害类型众多，主要有滑坡、泥石流、不稳定斜坡(崩塌危岩体及滑坡变形体)等。
When the maximum velocity of an oscillated flow in the collapsible tube exceeds the so-called critical velocity, the tube will become unstable and oscillate with displacement.
可坍陷管中，当管流速度幅值超过临界速度时，会产生失稳和位移振荡。
The cause of occurrence of power overload and the unstable curve of head-flow volume for low rate ratio pumps was analyzed in this paper. Some methods, then, were presented to solve the problems.
分析了低比转数离心泵出现不稳定扬程-流量特性曲线及功率过载的原因，提出了相应解决办法。
The procedure restores coronary arterial flow (or coronary perfusion) in an acutely or sub-acutely occluded artery during acute myocardial infarction or unstable angina.
当心肌梗塞或心绞痛时，在急性或亚急性闭塞动脉中，PCI可以恢复冠状动脉血流量（或冠脉灌注）。
The procedure restores coronary arterial flow (or coronary perfusion) in an acutely or sub-acutely occluded artery during acute myocardial infarction or unstable angina.
当心肌梗塞或心绞痛时，在急性或亚急性闭塞动脉中，PCI可以恢复冠状动脉血流量（或冠脉灌注）。
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