流体的

In point of the physical characters,it is better to differentiate the time derivative in the characteristic direction than intime direction.

1.4中针对流体的流动以对流为主的物理特性，采用特征线法去对时间导数项离散，使截断因子比通常的时间方向离散小得多，更好地反映了问题的物理特性。

The adaptive physical model on Coutte Flow based on a motional coordinate is presented,and a solution of a equation for velocity, temperature and rate of heat transfer of a viscous compressible fluid is obtained.

在基于动坐标系的库特剪切流的物理模型上，提出了两平板间可压缩粘性流体的温度，流速与热流速率间的关联式。

In the works mentioned above, we take some coupled effects into account, including the coupling between the FGM structures and elastic media or compressible fluid, the coupling between mechanical and thermal fields and the coupling between mechanical and electric fields.

在上述工作中，本文考虑了多个耦合因素，包括结构与弹性介质的耦合、圆柱壳与流体的耦合；力场与温度场的耦合、力场与电场的耦合。

Synthetic analysis of petroclastic rock in deep formation of Paleogene in Dongying sag show that acidic medium caused from organic-inorganic interactions and circulated convection current in abnormal high pressure formation are important factors influencing and controlling diagenesis.

对东营凹陷下第三系深部碎屑岩储层成岩作用的影响因素进行了研究，结果表明，有机无机化学反应提供的酸性水介质环境和异常压力带流体的循环热对流是影响和控制深部碎屑岩储层成岩作用的重要因素。

In this paper, the JFO condition, satisfied with global mass continuity, is incorporated into an universal Reynolds equation with micro-polar fluid which is solved for the oil film pressure using OSM and FEM. The bearing load capacity and friction resistance were given, and stiffness/damping coefficients and critical rotor mass were obtained by solving a pressure perturbation equation with micro-polar lubricants.

本文采用满足全流场质量连续的JFO边界条件，采用微极性流体的广义雷诺方程来求解油膜压力分布，进而获得油膜承载力和粘性阻力等轴承动力特性量；采用小参数摄动法得出油膜压强扰动方程，并采用有限元法解出扰动压强，积分扰动压强获得油膜的阻尼系数和刚度系数，进而求得了表示轴承油膜稳定性的临界转子质量。

The dissertation put forward the function relation of economic velocity and anuual cost, calculating economic velocity with differential coefficient method.

本文提出的热风炉流体的经济流速是从设计的角度出发，计算出热风炉最经济的运行状况。

In view of the rheological property of the heavy oil in Bo-hai field, this paper deduces the multilateral wells'production model of Non-Newtonian Bingham fluid with equiangular transformation method. In view of the multilateral wells Bo-hai, the paper analyses the multilateral wells'capitalized cost composition, including pre-drilling engineering, drilling engineering, completion engineering and production engineering. It also constructs the multilateral wells'economic benefit models basing on net present value, inner rate of return and payback period.

针对我国渤海油田稠油的流变特性，运用保角变换方法，推导了非牛顿Bingham流体的分支水平井产能模型；针对渤海油田的分支井，从钻前工程、钻井工程、完井工程、采油工程等方面对分支井的投资成本费用构成进行了具体分析；最后以净现值、内部收益率、投资回收期经济评价指标为基础，建立了海上分支井经济效益模型，并根据所建模型应用VB。

For instance,if the states of the flow are assumed to be independent of the time variable, we can get the steady Euler system.

在实际问题中，为了研究的方便，人们通常对流体的某些性质作一定的假设，从而得到一些简单的近似模型。

Introduce programmable calculation methods of heat exchanger by using graphic integration that has advantage of being simple and accuracy , obtain distribution data of temperature of fluid within the heat exchanger, and contribute to heat transfer mechanism analysis.

介绍用图解积分法进行换热器工艺的程序化计算方法，此法具有简捷、确的优点，且同时可获得换热器内流体的温度分布数据，有助于对传热机理的分析。

The first book Amazon.com sold was Douglas Hofstadter's Fluid Concepts and Creative Analogies: Computer Models of the Fundamental Mechanisms of Thought.

第一本书是Amazon.com出售道格拉斯霍夫施塔特的流体的概念和创意类比：计算机模型的基本机制的思路。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。