查询词典 incompressible fluid

Beginning with forming mechanics of seal medium, the character of magnetic fluid has been researched and magnetic fluid, which fits the demand, is made out. Then from the point of fluid mechanics, the kinematics equation and Bernoulii equation of magnetic fluid are derived. Based on the production practic of sinterer, straight seal theory is given. Last of all, the accuracy of deriving of theory is proved by experiment.

作者首先从密封介质的形成机理入手，分析了磁性流体的性质，配制出符合要求的磁性流体，又从流体力学的角度推导出磁性流体的运动学方程和磁性流体的贝努力方程，根据烧结机生产的实际，进一步推导出应用于烧结机上的直线密封理论，最后通过试验验证了理论推导的正确性。

The fluid inclusion can be the ancient fluid sample which formed rock or ore body, and the data drown from fluid inclusion can explain the contemporary ore-forming environment ,so the fluid inclusion is more and more used in the study of ore depositsThe Daxigou gold deposit which is studied this time is located in the north Hebei

本次研究的大西沟金矿床处于华北板块北缘冀北-辽西成矿区，其成矿条件在本区有很大的代表性。

Remedial group (60) amount to with ginkgo not inject fluid 20mL joins drop of the vein in 500mL of fluid of 5% dextrose inject to note, daily 1 times; contrasts group (60) drop of the vein in joining 500mL of fluid of 5% dextrose inject with 20mL of fluid of inject of the root of red-rooted salvia of medicine made of two or more ingredients is noted, daily 1 times; period of treatment all is 14d.

治疗组(60例)用银杏达莫注射液20mL加入5%葡萄糖注射液500mL中静脉滴注，每日1次；对照组(60例)用复方丹参注射液20mL加入5%葡萄糖注射液500mL中静脉滴注，每日1次；疗程均为14d。

Using fluid dynamics FEM (two dimensional, three dimensional andaxisymmetric) and three dimensional acoustic FEM in meticulous analysis ofexpansion muffler structure, this paper studies the influences of each mufflercomponents' position, dimension, form and quantity on the fluid dynamic andacoustic performances;therefore the paper indicates that the end of the intruding tubeis the linchpin of the fluid dynamic performance of the whole muffler structure, thespringhead of muffler fluid dynamic performance is the smoothness of air current, themain factor which affects the acoustic attenuation value of expansion chamber muffleris the grade of saltation of the section of air conducting access, and the attenuationvalue of specific frequency can be dramatically enhanced by carefully designing thelength of expansion chamber.

本文通过流体力学有限元方法和三维声学有限元方法对扩张腔消声结构的参数化模型进行了细致的分析，研究了这种结构的各个组成部份的位置、大小、形状和数量对其流体力学与声学性能的影响，指出插入管端口是影响整个结构流体力学性能的关键，消声结构流体力学性能的根源是气流通过时的平稳程度；影响扩张腔消声量的主要因素为声波传播通路截面突变的程度，并可以通过精细的设计扩张腔轴向长度获得宽频或指定频率消声量的大幅度提高。

Different types of drilling fluid systems were used in over 30 under-balanced wells by New Star Company of SIN OPEC in recent years, and the low solids polysulfonated drilling fluid, solids free salt-water polymer drilling fluid, and low density emulsified diesel drilling fluid were focused in this paper, with their laboratory evaluation results and field applications desc...

针对中国石化新星公司近几年在不同地区施工的30余口欠平衡井所用不同类型的钻井液体系，介绍了低固相聚磺钻井液、无固相盐水聚合物钻井液、低密度乳化柴油钻井液3种钻井液的室内性能评价结果以及现场应用情况，并在此基础上总结分析了各钻井液体系所适用的地层以及其优缺点。

The concept of compressible fluid flow is usually employed for gases moving at high velocity, unlike the concept of incompressible flow, which is used for liquids and gases moving at a speeds well below sonic velocity.

的概念，可压缩流体流动通常是受雇为气体运动在高速度，不同的概念，不可压缩流动，这是用于液体和气体运动在速度远低于声速。

Using the fluid mechanics theory, the Gauss filtration governing equations are presented based on the incompressible Navier-Stokes equation in primitive variables, which are discretized using standard third-order accurate Galerkin finite element scheme in space and discretized using finite differencing scheme in time.

为了考证数值模拟结果的正确性，对水泥在圆弧弯管中的气力输送气固两相流动采用了等速取样和等截面法进行了三种工况的试验研究。试验结果表明，竖直上升弯管出口颗粒浓度在弯管外侧脊线附近颗粒浓度特别高，其余部分相对比较均匀且浓度较低。

In those studies, the property of blood was treated as an incompressible, Newtonian fluid.

然而，在这类研究中，血液常被简化为不可压缩的牛顿流体。

A numerical method for the solutions to two-phase viscous incompressible flow of fluid with moving interface is presented.

本文采用了等值面函数方法计算含有运动界面的不可压缩两相黏性流动问题。

The finite element method is used to simulate transientflow of incompressible viscous fluid in a planar sudden expansionchannel.

0引言在液压传动和控制系统中，突然扩大的管道流动是一种常见的流动现象。

Great. What repertoire did you see?

太棒了。你看的是什么剧目？

I prepared not to accept such ridiculousness:"Please," I said to him.

我可不想理会这套荒谬的东西："请你通情达理一点儿。"