流动

When gas superficial velocity was about equal to liquid superficial velocity, the probability density function of liquid holdup had a twin-peaked, when liquid superficial velocity was constant, one of the peaks would fade out and disappear with the in crease of gas superficial velocity. Through using the characteristics, the relative size of gas and liquid superficial velocity can be set initially.

在段塞流动中，当气相折算速度和液相折算速度相差不大时，持液率概率密度函数呈双峰分布；当液相折算速度不变时，随着气相折算速度的增大，持液率概率密度函数第2峰值逐渐减小，直至消失而变为单峰分布；利用这一特征可初步确定段塞流动中气、液相流量相对大小。

The procedure is applied in two projects:(1) Shanghai Huanqiu finance center tower foundation pit dewatering, the complicated flow state of groundwater is simulated under these conditions which the aquifers deposite layer by layer, the bottom of the aquifers goes deep to 149m, the horizontal flow barrier goes deep to 34m, the extraction wells are penetrated to 55m, the filters of the extraction wells are located between 34m to 55m, and the water level in the deep foundation pit is decreased to 26m under land surface, the result of 8 pumping wells optimization project is designed.(2) The forth subway of Dong Jia-du tunnel repair foundation pit dewatering in Shanghai, the complicated flow state of groundwater is simulated under these conditions which the aquifers deposite layer by layer, the bottom of the aquifers goes deep to 144.45m, the horizontal flow barrier goes deep to 65m, the extraction wells are penetrated to 60m, the filters of the extraction wells are located between 45m to 60m, and the water level in the deep foundation pit is decreased to 42.45m under land surface, then an optimization project is designed.

最后将成果分别应用于两个工程实例中：(1)上海环球金融中心塔楼基坑降水，模拟了在多层含水层复合存在、含水层最深底板埋深达149m、基坑周围挡水连续墙埋深达34m、抽水井埋深达55m、抽水井过滤器埋深为34至55m，基坑内地下水位降至埋深达26m的情况下的地下水复杂流动状态，得出了8口抽水井优化降水方案；(2)上海地铁4号线董家渡隧道修复基坑降水，模拟了在多层含水层复合存在、含水层最深底板埋深达144.45m、基坑周围挡水连续墙埋深达65m、抽水井埋深达60m、抽水井过滤器埋深为45至60m，基坑内地下水位降至埋深达42.45m的情况下的地下水复杂流动状态，确定出了最优降水方案。

Ompare the experimental results with analytical results and sum up the factors which affect the flow front of underfill to find the method which can control the flow front, reduce the chance of short shot and air trap; therefore, enhance the reliable of underfill process of Flip-Chip.

AE(Computer-Aided-Engineering)模流分析模拟其流动情况；在完成实验与分析模拟之后，进行实验与模拟结果比较，归纳出影响底部充填波前形状的因素，并寻求控制底部充填流动波前形状的方法，降低短射与包风的发生，提高覆晶底部充填制程的可靠度。

The numerical results of flow resistance and heat transfer agree well with experimental data.

用试验的方法确定了油焦浆管内等温流动的流动阻力计算方法和在搅拌加热器中传热努歇尔数的计算方法。

This feature of the spiral-flow has significant effects on the heat transfer enhancement and flow resistance.

这种旋转流动特性对内冷通道的强化传热和流阻特性具有很强的影响，与光滑通道相比，通道平均努塞尔数得到了明显的提高，但同时流动阻力也显著增加。

The influences of curvature, torsion and inclined angle of cross section of the pipe on the flow characteristics are analysed and studied in the fully developed steady laminar flow of helical square pipe.

借以分析研究了螺旋状矩形管在定常、充分发展的层流流动中，管的曲率、挠率和横截面倾斜角对流动特性的种种影响。

On the cutting motivation conditions, air layer between two metal layers is flowed to-and-fro, which can absorb a part of motivation energy, so it leads to low noise radiation.

当金刚石工具在切割激励的条件下，基体之间的空气层在振动的作用下来回地流动，由于夹层中间的空气流动，吸收了一部分振动能量，从而导致较低的噪声辐射。

According to the process of the mutual reaction of the population number at each energy level of the un-equilibrium mixed gases flowing in flow laser and the intensive emission reaching the stable oscillation, and the numerical simulated calculation results of the corresponding 3-dimensional distribution states, the simplified calculation formulae of the basic properties of the corresponding oscillator and amplifier are developed.

根据流动激光腔中流动的非平衡混合气体各能态布居数和强辐射相互作用达到稳定振荡的过程和相应的三维分布状态的数值模拟计算结果，发展了相应的振荡器和放大器基本特性的简化计算公式。

The surface roughness of the SL mold plate does not change dramatically with the increase of the demolding times. As to the defects of injection molded parts, there exists weld line, flow mark and solid skin.

对於SL模具中的高分子材料流动及缺陷生成特性研究，设计了基本的长直平板状流路，以实际射出充填来实验模拟各种条件下平板流路内的材料流动状况。

Experimental results also showed that the size and shape of the stick cross-section made a prominent effect on the strength and shape of flow wake.

对比实验的结果表明不同结构型式的减阻杆后绕流尾涡区的流动分布不同，其中减阻杆的迎风宽度及形状对减阻杆后绕流尾涡区的流动分布有明显影响。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。