流

We get the results that the elliptic flow decreases with the freeze-out time and the correlation between the elliptic flow and the transverse radius changes with the freeze-out time what could be explained with the pressure gradient.

研究了在不同的阶段，椭圆流对末态粒子位置的关系。结果表明椭圆流随冻出时间的单调递减，椭圆流对横向半径的关系随冻出时间发生变化。

Combined with in-situ cases, the seepage flow patterns of air leakage in goafs with complicated shapes are described, and an accurate graph distribution solution of flow pattern is given.

结合现场实例，从宏观上描绘了复杂几何形状采空区的漏风流态(风压分布等值线和流函数线)，给出更准确的流态图形分布解。

Flow pattern computation is carried out by using a modified function of stream function Laplace equation proposed by the author, and the flow fields of heterogeneous goafs with complicated shapes and along the boundary direction can meet the condition of orthogonality of flow net, and at the same time the orthogonality can be controlled by the precision of split meshes.

指出用 流函数Laplace方程修正函数，对复杂形状和沿多边界方向非均质的采空区流场计算，仍能满足流网正交，其正交性可通过剖分网格精度来控制。

Based on groundwater dynamics in porous media, seepage state about solution in leaching heap was analyzed, and its criterion and the basic relation between flow velocity and water head gradient in each state were put forward.

摘 要：在多孔介质地下水动力学的基础上，分析溶浸液在浸堆内的渗流状态，并提出渗流状态判据、各自状态下的渗流速度与水力梯度基本关系式。

The activation energy for deformation in W18Cr4V high speed steel, 40CrMnNiMo tool steel for plastic molding and AISI H13 hot-work tool steel are investigated intensively. The investigation shows that the activation energy for deformation of both 40CrMnNiMo tool steel for plastic molding and AISI H13 hot-work tool steel decrease with the increasing of temperature.

分别将这两种钢的变形激活能数学模型用于蠕变模型，并采用这一改进后的蠕变模型对W18Cr4V高速钢和40CrMnNiMo塑模钢的热变形流变应力进行预测，结果表明，此模型不仅能精确描述蠕变条件下工模钢的流变应力变化规律，也能精确描述工模钢非蠕变条件下的流变应力。

First super-low specific-speed centrifugal pump has a long and narrow flow passage for its high head and low capacity, and the power absorbed by disc friction is too high, so the efficiency is very low; Secondly the diffusion of flow passage is so high, that the reserved flow often emerges at the inlet and outlet of impeller. Therefore the H ~ Q characteristic curve is often hump-shaped, and at the low-capacity operating condition the instability often occurs; Thirdly the centrifugal pump at high-capacity operating condition is easy to overload because the N ~ Q curve appears a rising trend.

首先由于它的扬程较高、流量较小，所以它的流道狭长，圆盘摩擦损失较大，效率相对较低；其次由于它的流道扩散较严重，易在叶片进口产生回流和在出口产生脱流，扬程流量特性曲线易出现驼峰，在小流量工况下易产生不稳定现象；第三，由于其功率流量曲线呈现上升趋势，在大流量区运行时电机易过载。

The distribution of Pb and 〓 in snow along two major trajecteries of ice stream (Trans-polar Drift Stream and Beaufort Gyre) indicates that the tracks of pollution airmasses invading Central Arctic Ocean are mainly from Eurasia and Northwest America.

大尺度海冰流上覆积雪中记录了洋流途经海域的大气环境信息，是监测现代大气环境的有效介质。北冰洋不同海冰流上覆积雪内nss Cl〓、nss SO〓、Pb及其稳定同位素比率等的分布，显示两大海冰流积雪化学具有明显差异，并据此判断影响北冰洋中心地带冬春季大气环境的中低纬污染气团主要源于欧亚大陆和北美洲西部。

The results of numerical simulation shows that without considering the influences of wind field, the influx and the positions of infalls and outfalls decide the West Lake"s field structure which would further decide the rule of water"s process and distribution.

各种工况下的流场和浓度场模拟结果表明：在不考虑风场的情况下，各进出水口的流量和位置决定了西湖的流场结构，而流场结构决定了水体的推移扩散规律。

In this paper, an idea is presented about a larger pressure of percolation flow existed in a part of rock by a high-pressure jet, and the pressure has great effect on the rock fragmentation with jet. A model of calculating the pressure is established.

本文提出了射流作用下岩石局部范围具有较高渗流压力的思想，并认为该渗流压力大小对射流破岩有重要影响，建立了该渗流压力的计算模型。

Many lives have been lost to the volcano's frequent eruptions, which are accompanied by high-speed pyroclastic flows and mudflows called lahars.

许多人的生命已经丧失由于火山频繁喷发，这是伴随着高速的火山碎屑流和泥流所谓的火山泥流。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新