查询词典 viscous

Aimed at ultra-deep and viscous oil reservoir′s feature in the Tahe Oil-Field, combining blending light dropping viscosity evaluation, utilizing polyphone pipe flow calculation, on the basis of the study of high viscosity oil characteristic and deep well lifting technique, deep well high-viscosity oil blending light dropping viscosity optimum design model is ana.

针对塔河油田超深层稠油油藏的特点，在对稠油特性及深井举升工艺研究基础上，结合室内掺稀降粘评价，利用多相管流计算方法分析深井稠油掺稀降粘优化设计模型，对掺稀降粘工艺在塔河油田的应用在理论上进行了深入分析和评价。

5 Conditions of viscous flow mean that the rate of flow will be sufficiently low to be directly proportinal to the potential gradient.

答案：粘滞性流动的条件意味着流动速度很低与势梯度成一定的比。

Based on GC and GC-MS analyses, the geochemical characteristics of these typical deep viscous oils are listed as follows:(1) strong preference of even n-alkanes over odd n-alkanes;(2) strong preference of phytane over pristane, i. e. Pr/Ph ratio＜＜1;(3) high abundance of gammacerane relative to C〓hopanes;(4) much more amounts of C〓 pentakishomohopanes than C〓 tetrakishomohopanes and even C〓 trishomohopanes.

罗家—垦西地区稠油饱和烃色谱、色谱-质谱分析结果展示：(1)正构烷烃具有明显的偶奇优势；(2)类异戊二烯烷烃具有较强的植烷优势，姥姣烷/植烷比值远小于1；(3)伽玛蜡烷相对含量(相对于C30藿烷)普遍很高；(4)C35升藿烷明显高于C34、甚至C33升藿烷；表现出膏盐湖相生物标志物的组成特征。

The finite element program of the Navier-Stokes equation of the incompressible viscous flow is generated by Finite Element Program Generator successfully.

通过有限元生成系统产生了粘性不可压流体Navier-Stokes方程的有限元程序。

Considering the characteristics of high Reynolds number viscous flows, a normal directional advancing layer method is adopted to generate points and combine anisotropic clouds of points in the boundary region, and a quadrantal point mulling strategy is employed to construct isotropic clouds of points in the residual flow region automatically.

针对高雷诺数粘性流动的特点，在附面层内的粘性影响区域采用法向层次推进布点的方法形成离散点云，在附面层外的计算区域内实行填充式布点的方法形成离散点云。

Here we pull in the viscous rarefaction waves, and make use of the smallness ofεwhich is to control the a priori estimates for v andθ.

使用的方法是引入稀疏波解，利用粘性稀疏波解构造中的ε来控制v，θ的先验界从而得到所需的能量估计。

The calculation results show that runner frequency of the turbine is reduced in certain degree under the effect of water pressure and viscous force, and the mode is changed too.

通过计算表明在水压载荷和黏性载荷的作用下，水轮机的转轮频率存在一定程度的下降，模态发生了变化。

In order to study the numerical method to solve the viscous incompressible flow with free surface, the 3-D mathematical model for steady and unsteady hydrodynamic problem had been established and closed by k-εbuoyant turbulence model. The algebraic coordinate transformation method was used to fit the free surface, the Runge-Kutta method of three step and second precision was devised to simulate the time step. A high precision up-winding compact scheme was studied for the convection term, and the generalized conjugate residual method was set to solve the Poisson equation.

为了研究粘性不可压缩三维问题的数值求解方法，本文从基本的Navier-Stokes方程出发，采用代数拟合方法处理自由表面，用三级二阶Runge-Kutta方法对时间步进过程进行了模拟，并且对对流项的高精度迎风格式进行了研究，给出了求解压力Poisson方程的广义共轭剩余法，从而建立了能够模拟有自由表面的粘性不可压缩问题的定常、非定常三维水动力学模型，并采用k—ε浮湍流模型对其进行封闭。

By solving the optimum -- diameter equations for the case of critical Reynold number, it has been found possible to decide whether any given flow will be turbulent or viscous in a pipe of optimum diameter. At these equations and ...

本 文所推导的公式及算图都是以我国目前的价格指标为依据，因此应用它来选取经济管径应当是适合于我国情况的。

By solving the optimum -- diameter equations for the case of critical Reynold number, it has been found possible to decide whether any given flow will be turbulent or viscous in a pipe of optimum diameter. At these equation...

本 文所推导的公式及算图都是以我国目前的价格指标为依据，因此应用它来选取经济管径应当是适合于我国情况的。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。