查询词典 fluid

The mathematical model is dispersed by finite-volume method and the dispersed equations are solved by SIMPLER algorithm. This is the first time to solve a problem of drilling fluid mechanics with the numerical method of Newtonian fluid mechanics.

5首次将牛顿流体力学经常采用的数值方法用于钻井流体力学的研究中：用有限体积法离散钻井液流动和传热的数学模型，用Simpler算法求解该数学模型的离散化方程。

A new form of Arbitrary-Lagrangian-Eulerian formulas are developed based on the basic law of Newtonian mechanics and hypothesis of Newtonian fluid, in which the conception of domain mapping is introduced so these formulas can be used to describe the fluid flow in an arbitrary deforming domain.

从最基本的牛顿运动定律和流体粘性的牛顿假设出发，基于区域映射的概念推导了ALE(Arbitrary-Lagrangian-Eulerian)公式的一种表达方式，能够在二维任意变形区域内描述牛顿型流体的运动。

In addition provides the compressed air stainless steel air feeder, in crucible the base composition porous jet pipeline, causes the nitre salt fluid fast circulation tuck dive, achieves in the nitre salt fluid any temperature even consistent, controls the warm electricity cabinet's coordinate use automatically through the nitre salt stove, may cause the quenching work piece in the very short time needs the rapid chilling in any craft temperature which to the isothermal quench the automatic constant temperature.

另配备压缩空气不锈钢进气管，在坩锅内底部组成多孔喷流管道，使硝盐液快速循环翻腾，达到硝盐液内任何一点温度均匀一致，通过硝盐炉自动控温电柜的配合使用，可使淬火工件在很短时间内快速冷却到等温淬火所需要的任何工艺温度内自动恒温。

In this paper the rheological characteristics of penicillin fermentation broth as non-Newtonian fluid was studied by measureing the fluid viscosity.

通过测定青霉素发酵液的粘度，研究非牛顿体系的流变特性，根据终点体系和中期体系的凯松流体模型和拟塑性流体模型确定本构方程。

The slower breakup process of elastic non-Newtonian fluid jet provided sufficient time for fluid to exhibit some interesting phenomena such as drop drainage and migration.

这种缓慢的破裂过程为流体提供了充足的时间显现一些有趣的现象，例如液滴的排泄和移动。

The scattering characteristics of plane acoustic waves by fluid-saturated porous cylinders are studied by using the Biot-Stoll's theory with consideration of loss factors, such as the viscosity of fluid and the nonelastic loss of solid skeleton.

依据Biot-Stoll的流体饱和多孔媒质声传播理论，考虑了流体粘滞和骨架非弹性损耗引起的衰减因素，研究了多孔圆柱体对平面声波的散射特性。

thorax accumulates fluid CRP, HPT and ADA level to detect thorax of oozy to differentiating sex accumulates fluid property to have better clinical and economic value.

结论胸腔积液CRP、HPT及ADA水平检测对鉴别渗出性胸腔积液性质有较好的临床实用价值。

Taking HPAM solutions as an example, the unsteady flow of power-law fluid in eccentric annuli with the inner cylinder reciprocating axially is calculated; the distribution of velocity, flow rate and stability parameter is obtained; taking HEC solutions as another example, the flow of second order fluid in eccentric annuli with the inner cylinder moving axially is calculated too; the distribution of velocity and stress is obtained; the effect of eccentricity and axial movement on stress distribution on the outwall of the inner cylinder is analysed.

在理论上，分别用二阶流体和幂律流体模型描述聚合物驱油井产出液的非Newton流变性；分别建立了双极坐标系下二阶流体和幂律流体在内管做轴向往复运动的偏心环空中非定常流的控制方程及边界条件和初始条件方程；建立了幂律流体在内管做轴向往复运动的偏心环空中流动的稳定性参数和流体在内管壁上的压力分布计算公式；建立了二阶流体在内管做轴向运动的偏心环空中流动的流体在内管壁上的压力分布计算公式。

By using the invented method, the residue lapping fluid on the lapping pad can be removed effectively, lapping thickness unevenness of wafer surface caused by overhigh concentration of the lapping fluid during subsequent lapping process is avoided, so that qualified rate of products is increased.

采用该方法可有效去除研磨垫上残留的研磨液，避免在后续的研磨过程中因研磨液浓度过高而导致晶圆表面研磨厚度不均，从而提高产品的良率。

Isotropy determines the branch of oxyhydrogen isotope composition that shows mine fluid is not =-81.0 of δ D water ‰~-90.0 ‰,‰ of ~2.3 of ‰ of =0.1 of δ 18O water, the specification basically is atmosphere precipitation into mine fluid, but the affiliation that there are a few magma waters possibly in ore body deep.

同位素测定显示成矿流体的氢氧同位素组成分别为δD水=-81.0‰~-90.0‰，δ18O水=0.1‰~2.3‰，说明成矿流体主要为大气降水，但在矿体深部可能有少量岩浆水的加入。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。