层流

Analysis compared with different expression of temperature distribution on deposition and non-deposition in the tested inside-wall of pipeline,a nondimensional temperature function was founded to get a conclusion according to energy equation.Referring to Bessel function,a calculation equation of temperature distribution in the surface and heat-flow density of wax deposit layer in the laminar flow is deduced,as well as temperature distribution inside.This method provides a theoretic basis on the theory law o...

通过对试验环道上测试段相关数据的测试，对比分析测试段管壁有沉积物和无沉积物时测试段管壁内温度分布的不同表达式，根据能量方程建立了无量纲温度分布方程，利用贝赛尔函数推导出原油在层流状态下沉积层表面温度分布、沉积层热流密度、油流温度分布等相关温度场的计算公式，为研究蜡沉积规律，定性分析管路结蜡层厚度和制定合理的清管方案奠定了理论基础。

As is well known, the problem of laminar-turbulent transition in a boundary layer is very important from practical application point of view.

从层流到湍流的转捩问题有很重要的应用背景。

Today we can calculate airfoils which maximize the length of the laminar boundary layer.

今天，我们可以计算翼型，其中最大的长度的层流边界层。

Church patient at 3 o'clock type, function of flesh of type waist back exercised a method at 5 o'clock. 1.2 instruments prepare an operation to answer to undertake between operation of bigger laminar flow purifying device, line of aircraft of route of X of preparative C arm, X defends take, knife of appearance of anaesthetic machine, custody, report, ambipolar report coagulates the place in reaching art wants all sorts of article and drug, have comprehensive examination. 1.3 postures put itinerate nurse to lie arched Fu a bracket put go up in operation bed, adjust good bracket width and height according to patient height, weight.

教会患者三点式、五点式腰背肌功能锻炼方法。1.2仪器预备手术应在较大的层流净化装置手术间进行，预备C型臂X线机、X线防护服、麻醉机、监护仪、电刀、双极电凝及术中所需各种物品及药品，并进行全面检查。1.3体位摆放巡回护士将弓形俯卧位支架摆放在手术床上，根据患者身高、体重调整好支架宽度和高度。

The calescence of water droplet in water-in-oil emulsion is studied in a rectangle coalescence pipe with laminar flow when it passes through an AC Field of 50Hz.

在矩形聚结管道上对基础油包水乳化物在层流流态下通过50Hz的交流电场时，乳化物中的水滴发生的聚结现象进行了研究。

When calculating the pressure loss of laminar flow for Casson fluid in drilling tools, there is a need for a nonlinear equation. It used to be calculate by approximate formula.

在计算卡森流体在钻具中的层流压降时，需要求解一个非线性方程，以往通常使用近似公式进行计算。

On this foundation, the factor that discussed shadow castanet form and control are politic, right the defect that causes by strip steel temperature, through laminar flow refrigeration is obtained good the discussion that the strategy of board form made a focal point.

在此基础上，讨论了影响板形的因素和控制策略，并对由带钢温度引起的缺陷，经过层流冷却获得良好板形的策略做了重点的讨论。

The results show that, when the computational error and its accumulation are eliminated effectively, the laminar flow in OFR with perfect-symmetric boundaries behaves in a pattern of central symmetry and circumferential uniformity while the turbulent flow field presents a centrally symmetric and circumferentially non-uniform structure with 8 transverse vortices arrayed circumferentially in a way of central symmetry, similar to Taylor vortices in Couette flow.

模拟结果表明在有效消除计算随机误差以及误差积累的情况下，几何边界理想对称OFR内的三维层流流场呈现出良好的中心对称性和周向均匀性，而湍流流场中心对称的同时呈现出周向非均匀结构－在圆周上生成8个中心对称排列的横向漩涡，其形态与Couette流中的泰勒涡类似。

Now has first-rate modern operating room 3, equipped with highly specialized center of oxygen, high levels of air purification laminar flow operating room; is worth a few million multi-functional anesthesia machine, monitors, surgical lights, operating table, micro-power systems, electric coagulator, electric knives, defibrillator, syringe pump, in order to fully guarantee the safety of a patient's life operations have laid a good condition.

现拥有一流水平的现代化手术室3间，装备有高度专业化的中心供氧、高水平的空气净化层流手术间；价值数百万元的多功能麻醉机、监护仪、手术灯、手术床、微动力系统、电凝器、电刀、除颤器、微量注射泵，为充分保证手术病人的生命安全奠定了良好的条件。

Two kinds of thermal boundary conditions were considered in this study. One was the isothermal rotating object and the other was the adiabatic rotating object. The motionless object was set in rotation at time t=0 with a constant angular velocity. The effect of natural convection was neglected.

本文假设容器内流体的普朗特常数等於5，并假设流体流动属於层流状态，模拟过程中考虑两种不同的边界条件，一为等温旋转体，另一为绝热旋转体；在不同的边界条件下，物体於时间t = 0时开始旋转同时固定角速度，并忽略自然对流。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。