physical equation的例句大全

Consequently an analytical equation in terms of porosity, strain and spherical stress tensor is put forward by virtue of logarithmic strain, the plastic condition and the physical equation of pore mechanics.

为此，本文利用对数应变和孔隙力学的塑性条件及物理方程，建立了孔隙率与变形和应力球张量的解析关系式，进而得到了疏松缺陷压实的修复条件。

Stefan problem is free boundary condition of physical equation in thermal transfer when the boundary change.

斯蒂芬问题是研究边界变化时导热规律的的物理方程的自由边界条件.

One of this research main goals is uses statistics 、 psychological surveying and structure equation model method, studies our country physical ability leadership speed event& group top athlete personality characteristic and the competition best psychology condition structure pattern.

本研究的主要目的之一是采用心理测量学和结构方程模型等统计学的方法和手段，研究我国体能主导类速度性项群优秀运动员人格特征及比赛最佳心理状态的结构模式。

After defining a logarithm damage variable and effective stress, we introduce a damage evolution equation at crack tip bytaking into account the physical mechanism of the development ofcavities.

本文在定义对数损伤变量和相应的有效应力之后，引入了一种考虑材料内部空穴演变的裂尖损伤演变方程。

The linear regression equation of the physical performance of the ethylene-propylene rubber with time was established base on the results of thermal ageing test.

通过某导弹用乙丙橡胶的热老化试验数据，建立了物理性能与贮存时间的线性回归方程，并利用该方程预测了其在海南环境下物理性能的变化情况。

Many natural phenomena and physical laws can be described by time dependent nonlinear differential equations, such as heat conduction equation, sound wave and elastic wave equation, reaction diffusion and convection diffusion equation, fluid and aerodynamics equations, etc.

大多数的自然现象与物理规律都可归结为与时间相关的非线性偏微分方程，诸如热传导方程、声波与弹性波方程、反应扩散与对流扩散方程、流体与气体力学方程组等发展方程。

The concepts of physical quantities and the default of their mutual relationship affect that the students can not transplant the reaction equation calculation of the amount-of-substance into a new environment.

各物理量的概念及其相互关系的缺省，学生不能把物质的量在反应方程式中运用的计算迁移到新的学习环境。

The continuity equation is corresponding to the hyperbolic equation, and we usually use upwind scheme in the numerical algorithm for the purpose of avoiding unrealistic physical oscillation.

描述饱和度变化的连续方程，在数学上对应非线性双曲型方程，为了避免中心差分算法带来的物理上不真实的振荡，在通常的数值模拟中我们都采用了迎风格式。

We see the permeability and porosity, density and so on as the physical quantities which change with the time and pressure. On the basis of the equation of continuity, energy equation and motion equation, we establish the mathematical model of THM coupling.

将渗透率、孔隙度、密度等这些量看成是随时间和压强变化的物理量，在连续性方程、能量方程和运动方程的基础上，建立了热流固耦合的数学模型。

A thermodynamic model for mixing alcohols and hydrocarbons has been proposed. From this model, a simple equation of excess enthalpy which is composed of the physical and chemical contributions is obtained.

提出了一个醇与烃混合的热力学模型，据此，得到了一个简单的超额焓方程，它由物理和化学贡献两部分组成。

the equation has many solutions, but only the minimal nonnegative has physical meaning, so people mainly to study when exists the minimal nonnegative solution and the numerical methods to find the minimal nonnegative solution.

而该方程的众多解中只有最小非负解具有物理意义，所以人们主要研究该方程何时存在最小非负解以及求解这类解的数值方法。

The double-wave function quantum theory is applied to gain the time evolution equation to describe the physical quantities of a single motional particle in the one-dimensional Morse potential.

应用双波函数理论，得到了一维Morse势中粒子运动状态的力学量的时间演化方程。

Using the generalized matrix method based on non Cartesian tensor analysis with physical base, the continuity equation and Navier Stokes equations in nonorthogonal helical coordinate system are derived.

利用基于带有物理基的非笛卡儿张量分析的广义矩阵法，在非正交的螺旋线坐标系中，推导出了连续性方程和Navier－Stokes方程组。

The one dimensional numerical model for analyzing the color AC PDP cell is established based on fluid equations and Poisson equation from its physical model.

根据彩色AC-PDP放电机理的物理模型，提出了基于粒子流连续性方程和泊松方程的一维彩色AC-PDP放电单元的数值计算模型。

Equation of compatibility has been sut up for near net shape precision process such as squeeze casting via physical analysis and mathematical deriving on pressed solidification process.

通过对加压凝固成形过程的物理分析和数学推导，建立了适用于液态挤压铸造等近终形精密成形工艺的谐调方程。

The turbulence perturbation equation of the Navier-Stokes equation has been obtained by using the method, which deeply reveals the physical essence of turbulence.

应用该方法得出了Navier-Stokes方程湍流态的摄动方程，深刻地揭示了湍流的重要物理本性。

The paper expatiates the reasons of swing arm vapor lock and its avoiding measures presently, and analyzes the physical significance of the cavitation equation.

阐述了鹤管气阻的原因及目前解决的措施，分析了离心泵汽蚀方程的物理意义。

The reason of physical mechanism of residual precession for planet and ratio equation of precessional angle of Earth and Mercury are presented, finally the calculating result shows the existence of DM.

文中给出了行星剩余进动的原因，水星和地球进动角比值的计算公式，而且计算结果在某种程度上说明了DM存在的真实性。

based on the computational fluid dynamics and numerical heat transfer theory, the physical and mathematical models of four typical ventilation forms are set up with fluent software. the indoor air distribution is simulated with equation turbulence model and simple method.

以计算流体力学和传热学为基础，利用FLUENT软件建立了四种典型气流组织形式的物理及数学模型，运用Κ-ε模型对室内气流组织进行了三维数值模拟。

physical solution of electromagnetic field equation

电磁场方程的物理解法