粘性

They were never thoroughly removed in the first place and the soaps used and/or the uncleaned sticky substance collects more dirt; or 2 The unwanted material is forced down below the surface of the carpet by a high pressure steam cleaning unit - only to "wick" back up as the carpet dries.

有两个原因可以使污点在清洗后重现：1）、没有完全去掉污点，并且清除污点所用的皂剂和没有清洗掉的粘性物质吸引了更多脏的东西。2）、污垢在高压力下被打到地毯深处——干燥过程中又泛上来

In order to understand the mechanism of pollution process around insulator under the wet condition better,based on the principle of computational fluid dynamics CFD, the numerical model,which was used to analyze three-dimensional two-phase uncompressible turbulent flow field around composite insulator in wet weather and convection-diffusion of dust particles,was established.Then,the dynamic simulation of the general approach,which was used to analyze solid dust particles' wet deposition process around composite insulator with application of CFD software-Fluent,was proposed.

为深入了解绝缘子外部在湿润条件下的积污机理，基于计算流体力学原理CFD建立了求解湿润气象条件下复合绝缘子外部三维两相粘性不可压缩湍流流场的基本控制方程组和尘埃颗粒对流扩散的基本方程，提出应用CFD软件Fluent可对复合绝缘子表面固体尘埃颗粒湿沉降过程进行动态模拟的一般方法。

The winding film, also called as elastic film, is a kind of soft polyethylene plastic film with good transparency, elasticity and intensity. In case of non-heating it, it can stretch in length and breadth. It can wrap the products of electrical household appliances, precision instrument, bicycle, motorcycle, top-grade furniture, etc with its own autohension and make them keep tension and unloosen for a long time.

拉伸膜设备生产的拉伸膜，是一种透明、富有弹性及强度的柔软聚乙烯塑料薄膜，它可在不加热的情况下，进行纵横双向冷拉伸，依靠它本身自粘性对家用电器、精密仪器、自行车、摩托车、高档家俱等包装，并可使货物长期保持张力而不致于松散。

In this way,after the viscosity or apparent viscosity of virgin crude,corresponding unsheared PPD-beneficiated crude and the sheared PPD-beneficiated crude at a certain temperature are determined,the parameters in the model can be calculated.

按照此方法，只须测定一定温度下空白原油的粘度或表观粘度、未剪切时加剂原油的粘度或表观粘度，及在某一个剪切温度下及某一个粘性流动熵产条件下原油的粘度或表观粘度，即可近似确定该数学模型中的参数，从而预测在不同温度时剪切后的原油在该温度下的粘度或表观粘度。

In the paper the time marching method is used to solve the control equations and a computational analysis of the flow field in a unshrouded impeller is presented.

中文摘要：本文利用数值计算方法对一带分流叶片的离心压气机工作轮内部三维粘性流场进行了数值模拟。

Under the unstaggered grids, the continuous equation is replaced with the elliptic different one of the pressure, which is derived by the finite-analytic method, and a modilfied new SIMPLER algorithm is proposed to be used as an equal-order pressure-velocity coupling scheme. A simple procedure is applied to determine the cell-face velocity independent of the under-relaxation factor used in solving the momentum equations.

在三维船体贴体坐标系下，运用有限解析解法对控制方程进行离散，采用压力与速度耦合的改进的SIMPLER计算方法结合标准的K—ε方程湍流模式，数值求解RANS方程，并计算了作斜航运动三维船体的粘性绕流场、压力分布以及水动力。

Suit for mixing,emulsifying,reacting,absorbing,extracting and intensifing heating process of liquid,liquid to gas,ciscosity≤102 cp.dh≥3.5 suit for cleaning medium of viscosity ≤102 cp.dh≥5 suit for medium with a little various unstick materials.

适用于粘度≤102厘泊的液～液、液～气、气～气的混合乳化、反应、吸收、萃取、强化传热过程。dh≤3.5适用于粘度≤102厘泊清洁介质。dh≥5应用介质可伴有少量非粘性杂质。

Viscous flows around an infinite span untapered swept back wing at high angles of attack are investigated numerically by solving the quasi two dimensional Navier Stokes equations to deal with the effects of the swept-angle on the flow structure and force behavior.

通过数值求解Navier Stokes方程，研究了无限翼展直后掠翼在不同后掠角下的大迎角粘性分离流，探讨了后掠角对流场结构和升阻力特性的影响。

On the basis of three dimensional viscous numerical simulation on the internal flow field in the vaned diffuser of a centrifugal compressor,the influence of shaper parameters on the pneumatic performance in low solidity vaned diffuser is compared.

通过对一离心压缩机叶片扩压器内部流场进行三维粘性数值模拟，对比分析了小稠度扩压器的主要形状参数对气动性能的影响。

Although the flow in the vaneless nozzle is three-dimensionat, it is two-dimensional in viscous sub-layer.

通过对喷嘴出口湍流流场的分析，认为三维湍流边界层的粘性底层内流动仍是二维的，因此可以采用可靠的二维壁面律。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失